K&N Universal Air Filter 3-1/2in Flange / 5-1/2in Base / 4-1/2in Top / 6-1/2in Height - K&N Engineering KNNRU-4630
K&N Universal Air Filter 3-1/2in Flange / 5-1/2in Base / 4-1/2in Top / 6-1/2in Height - K&N Engineering KNNRU-4630
K&N Universal Air Filter 3-1/2in Flange / 5-1/2in Base / 4-1/2in Top / 6-1/2in Height - K&N Engineering KNNRU-4630
Click to zoom in

K&N Universal Air Filter 3-1/2in Flange / 5-1/2in Base / 4-1/2in Top / 6-1/2in Height

$ 78.99
$ 78.99

K&N RU-4630 universal clamp-on air filter delivers high-flow filtration for racing vehicles generators snowmobiles tractors and custom intakes with 3-1/2in flange 5-1/2in base 4-1/2in top and 6-1/2in height. Direct fit for Jeep Wrangler 1991-1995 Cherokee 2019-2020 Chevy Trailblazer 2002-2005 BMW 330 Series 2001-2005 and dozens more. Pre-oiled cotton gauze media traps dirt while increasing airflow for better horsepower and acceleration.

Key Features

  • Easy Installation: Pre-oiled clamp-on flanges stretch up to 1/16in for secure fit no tools required.
  • Engineered Power: High-flow media boosts horsepower acceleration and engine response.
  • Flange inside diameter 3.5in length 1.25in centered for universal clamp-on use.
  • 4 Layers of Protection: Premium cotton gauze with tacking agent forms mesh to trap contaminants and protect engine.
  • Clamp directly to 3.5in intake tube flanges grip securely.
  • Yes direct clamp-on fit for 3.5in intake on 1991-1995 Jeep Wrangler SE Base Islander Renegade.

Fitment

Years Make Model Application
2007-2014 Acura TL SH-AWD, Type-S
2001-2005 BMW 330Ci Verify engine and application notes
2001-2005 BMW 330i Verify engine and application notes
2002-2005 BMW 330xi Verify engine and application notes
2016-2020 Chevrolet Malibu L, LS, LT, RS
2002-2005 Chevrolet Trailblazer LS, LT, LTZ, North Face
2002-2005 Chevrolet Trailblazer EXT LS, North Face
2003-2005 Ford Thunderbird 50th Anniversary Edition, Pacific Coast Roadster
2002-2005 GMC Envoy SLE, SLT
2002-2005 GMC Envoy XL SLE
2004-2005 GMC Envoy XUV SLE, SLT
2008-2012 Honda Accord EX, EX-L
2019-2020 Jeep Cherokee Altitude, Latitude, Limited, Overland, Trailhawk
1991-1995 Jeep Wrangler Islander, Renegade, SE
1998-2000 Lexus GS400 Verify engine and application notes
2002-2004 Oldsmobile Bravada Verify engine and application notes
2008-2012 Scion xD Verify engine and application notes

Specifications

Brand K&N Engineering
Manufacturer Part Number RU-4630
Product Type Air Filters - Universal Fit
Fitment Type Vehicle Specific
Condition New

What's Included

One new K&N air filters - universal fit identified by manufacturer part number RU-4630. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.

About K&N Engineering

K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.

Related K&N Engineering Products

Frequently Asked Questions

How do I confirm K&N RU-4630 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.

Is K&N RU-4630 washable and reusable?
Serviceability depends on the exact media used for this part number. Follow the K&N cleaning and oiling directions for this filter and never apply oil to media specified as dry.

What should be checked after installing K&N RU-4630?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.

Installation Instructions

  • Clamp directly to 3.5in intake tube flanges grip securely.
  • Stretches to fit in-between sizes verify dimensions before install.
Acura TL Parts and Accessories

Acura TL Parts and Accessories

Shop Acura TL parts and accessories for an intake upgrade, clutch project or brake and suspension refresh. Explore Injen and Weapon R intake applications, Action Clutch kits, selected exhaust components, brake parts and body accessories. Choose the products for your street-driven sedan or Type-S project, with separate applications for the later SH-AWD models.Shop Acura TL Performance and Service Parts Intake systems: compare Injen applications and the Weapon R Dragon listing for its specified non-Type-S cars. Clutch kits: explore Action Clutch applications for the listed manual-transmission engine combinations. Brake components: browse pads, service hardware and other listed parts for an axle refresh. Exhaust components: review the MagnaFlow BRE listing for its specified 3.2-liter application. Suspension and body accessories: compare replacement dampers and listed AVS window deflectors by generation and body coverage. Choose an Intake for Your TLSelect the intake around the eng...

View Acura TL Parts and Accessories Products
Air Filters

Air Filters

Performance Air Filters and Replacement Filters Shop performance engine filters, factory-airbox replacements, universal intake filters and cabin filters at Black Ops Auto Works. Choose a drop-in element for routine service, a measured clamp-on filter for a custom intake, or a replacement for the aftermarket system already installed. Compare filter media and care requirements alongside the application so the next service is part of the buying decision. Choose the Correct Air Filter Type Direct-fit and drop-in filters: shaped for a specific factory air box or listed intake system. Universal clamp-on filters: selected by flange inside diameter, base and top dimensions, height and available clearance. Cabin and HVAC filters: vehicle-specific filters for air entering the passenger compartment. Breather filters: compact filters for compatible valve-cover, crankcase-vent and catch-can applications. Pre-filters and wraps: outer covers designed for compatible primary filters in dust...

View Air Filters Products
Air Filters - Universal Fit

Air Filters - Universal Fit

Shop universal air filters for a custom intake, turbo-inlet layout, carbureted air cleaner or compatible crankcase-vent project at Black Ops Auto Works. Compare compact cone filters, large-flange designs, low-profile shapes and complete air-cleaner assemblies to solve the space and connection requirements of your build. Universal Air Filters for Custom Intake Builds A universal filter is selected by dimensions and interface. The flange inside diameter must match the intake tube, turbo inlet, velocity stack, carburetor neck, or breather connection. The filter body must also clear nearby panels, wiring, hoses, heat shields, suspension components, and the hood while leaving enough exposed media for the application. Measure the installation area before ordering. Record the flange size, base width, top width, overall height, filter shape, mounting angle, and straight length available for the clamp. Product titles can look similar even when one dimension makes the filter incompatible. Sh...

View Air Filters - Universal Fit Products
BMW 330Ci Parts and Accessories

BMW 330Ci Parts and Accessories

Shop BMW 330Ci brake, exhaust and fuel-system parts at Black Ops Auto Works. Compare Wilwood flexlines, Brembo front pads and ISR E46 exhaust sections. For a fuel-system project, plan Radium plumbing, hanger and pump requirements together for the installed engine.Wilwood Flexlines and Brembo Front PadsFor brake service, choose front and rear Wilwood flexline kits by their separate axle applications, connections and supplied lines. Match Brembo ceramic front pads to the actual calipers and brake package. Review the complete production coverage, required quantities and service hardware before completing the order.ISR Exhaust Sections for a Planned SystemISR rear and resonated mid sections are separate purchases for a compatible E46 exhaust system. Match body, production details and existing connections before combining components. Review the supplied pieces and required mounting hardware with the installer; a section-only product does not supply every part of the exhaust.Radium Fuel-S...

View BMW 330Ci Parts and Accessories Products
BMW 330i Parts and Accessories

BMW 330i Parts and Accessories

Shop BMW 330i intake, exhaust and suspension parts at Black Ops Auto Works. Compare Dinan PEX or carbon-fiber intakes, valved axlebacks, do88 components and Bilstein suspension options. Choose the project for your exact generation, engine and body.Intake Choices from Dinan and do88For supported G20 applications, compare Dinan PEX and carbon-fiber intake configurations with the do88 B46/B48 G20/G21 system. Match exact production and engine coverage, current connections and supplied components before choosing a complete intake. Earlier E46 M54B30 throttle-body hoses and E9X resonator-delete parts serve separate engine-specific jobs.Dinan Valved Axleback ExhaustsFor a supported G20 exhaust project, compare Dinan valved axleback options with black or polished tips. Review the complete manufacturer production range, valve provisions, supplied components and mounting instructions. ISR E46 rear and mid sections serve a separate generation and require a compatible system and connection plan...

View BMW 330i Parts and Accessories Products
BMW 330xi Parts and Accessories

BMW 330xi Parts and Accessories

Shop BMW 330xi suspension, brake and ignition-service parts at Black Ops Auto Works. Compare Bilstein B4 replacements, Brembo pads and engine-service components for your next repair. Match the exact all-wheel-drive generation and installed assemblies before completing the order.Bilstein B4 Damper ReplacementFor a damper refresh, match Bilstein B4 front struts and rear shocks to the exact factory suspension and chassis. The options here include specific 2001–2005 330xi applications. Select the correct axle, side and quantity, then review mounts and supporting hardware with your installer.Brembo Brake-Service ChoicesMatch Brembo front and rear pads separately to the exact production details and installed calipers. The front and rear options here span different generations, so confirm complete axle coverage before combining them. Select rotors, sensors and service hardware for the same brake package, including any conversions.Ignition and Chassis Application RequestsFor ignition servic...

View BMW 330xi Parts and Accessories Products
Chevrolet Malibu Parts and Accessories

Chevrolet Malibu Parts and Accessories

Shop Chevrolet Malibu parts for a chassis project, brake upgrade, engine build or selected body change at Black Ops Auto Works. Compare QA1, Ridetech and UMI suspension choices with Baer brake kits and Edelbrock engine components. Select your generation and installed equipment first: classic A-body or G-body parts and later sedan applications have separate coverage.Suspension Systems and Individual Chassis PartsQA1 references distinguish handling packages, coil-over systems and individual adjustable shocks, including kits supplied with or without particular components. Ridetech CoilOver and StrongArm references and UMI springs, sway bars and arms provide separate project paths. Compare adjustment, ride height and complete contents for the exact chassis before choosing a coordinated system or targeted replacement.Brake Kits and Routine ServiceBaer Classic references name specific G-body front and rear applications with different rotor sizes. Compare mounting, wheel clearance and inst...

View Chevrolet Malibu Parts and Accessories Products
Chevrolet Trailblazer EXT Parts and Accessories

Chevrolet Trailblazer EXT Parts and Accessories

Explore Chevrolet Trailblazer EXT parts for drivetrain projects, suspension service, engine work and wheel details at Black Ops Auto Works. Review FTI converter choices, Bilstein rear-shock references, applicable LS service components and Factory Reproductions wheels. Establish exact EXT coverage and your installed engine before selecting parts.FTI Converters for the Installed TransmissionFTI Street Brawler and Street Racer references specify distinct 4L60E, 4L65E or 4L70E arrangements, stall choices and lock-up configurations. Confirm the installed transmission, engine combination, controls and intended use. Compare the complete application with your transmission builder before choosing the converter.Engine-Specific Service ComponentsCometic LS gaskets, Clevite or King bearings and the MAHLE LS rear-main seal reference require the actual engine and measured build specifications. An LS-family reference does not establish coverage for another engine fitted to an EXT. Match bore, clea...

View Chevrolet Trailblazer EXT Parts and Accessories Products
Chevrolet Trailblazer Parts and Accessories

Chevrolet Trailblazer Parts and Accessories

Shop Chevrolet Trailblazer parts for brake maintenance, suspension service and engine or drivetrain projects at Black Ops Auto Works. Compare the K&N Trailblazer SS intake reference, Bilstein rear shocks, newer-generation KYB mounts and PowerStop brake-kit references. Start with the exact Trailblazer generation and engine before choosing parts.SS Intake and Engine ProjectsThe K&N performance-intake reference names a 2006 Trailblazer SS 6.0L application. Cometic LS gaskets, ARP fasteners and bearing references require the actual engine and build specifications. Establish complete coverage and review supporting equipment before selecting parts for intake or internal-engine work.Suspension Choices by GenerationBilstein lists a 2002–2009 Trailblazer rear-shock reference, while KYB lists a rear-upper mount kit naming 2021–2023 Trailblazer applications. These address different generations and service needs. Match chassis, drive configuration, factory suspension and current height,...

View Chevrolet Trailblazer Parts and Accessories Products
Ford Thunderbird Parts and Accessories

Ford Thunderbird Parts and Accessories

Shop Ford Thunderbird brake, engine and driveline parts at Black Ops Auto Works. Compare DFC brake components, Edelbrock induction choices and Yukon axle-service options for a restoration or modified build. Select by exact generation and the actual installed engine, transmission, brakes and axle.Production-Specific Brake ServiceDFC titles distinguish 1965–1966 and 1968–1969 master-cylinder references, separate front-rotor production ranges and earlier service-shoe coverage. Identify actual installed brake system, axle, side, bore and dimensions before choosing parts. Shared caliper, hose and hardware titles need independent complete Thunderbird application checks.Induction and Engine FamiliesEdelbrock 302 manifold and FE head references address different engine configurations. Match actual block, heads, fuel delivery and ignition. Clevite modular-engine bearings, Windsor bearings, COMP valvetrain and valve covers require correct engine-family and measured assembly checks. Different ...

View Ford Thunderbird Parts and Accessories Products
GMC Envoy Parts and Accessories

GMC Envoy Parts and Accessories

Explore GMC Envoy drivetrain, engine and wheel-project references at Black Ops Auto Works. Compare FTI converter choices and Yukon axle-service components with engine bearings, gaskets and wheel options. Identify exact engine, transmission, axle and installed equipment before selecting parts.FTI Transmission Converter ChoicesFTI titles distinguish Street Brawler, lock-up, triple-disc and other configurations for stated transmission families. Confirm the actual transmission, spline, lock-up control and engine combination. Review gearing, vehicle weight, traction and use with the builder before comparing stall references. A custom-stall title requires a complete combination review.Differential Rebuild ComponentsYukon references include different GM 7.5, 8.5/8.6 and other axle components. Identify actual housing, carrier, spline and ratio before selecting gears, spring kits, covers or installation parts. Review exact contents and required companion bearings, shims or seals rather than ...

View GMC Envoy Parts and Accessories Products
GMC Envoy XL Parts and Accessories

GMC Envoy XL Parts and Accessories

Explore GMC Envoy XL torque converters, engine-build components and wheels at Black Ops Auto Works. Compare FTI converter configurations, engine bearings and gasket options for your project, or review Factory Reproductions wheel dimensions. Match the XL body, installed drivetrain and planned modifications to each manufacturer’s application.Converter Configurations and Transmission WorkFTI references distinguish Street Brawler, lock-up, triple-disc and custom-stall choices for stated transmission families. Match actual transmission, spline, controls and engine. Review gearing, vehicle weight, intended use and the complete build with the installer before comparing stall references or supplied components.Engine Builds and Configurable EFI KitsCometic gaskets specify different bore, thickness and fastening requirements, while Clevite and King bearings require actual engine identity and measured journals. Nitrous Express plate-only, conversion and complete-kit references have different i...

View GMC Envoy XL Parts and Accessories Products
GMC Envoy XUV Parts and Accessories

GMC Envoy XUV Parts and Accessories

Explore GMC Envoy XUV torque converters, engine-build components and wheels at Black Ops Auto Works. Compare FTI converter configurations, bearings and gaskets for your build, along with nitrous-system and wheel options. Select components for the XUV’s installed drivetrain, equipment and planned use.FTI Converter ChoicesThe selection includes different transmission families, lock-up arrangements and stall references. Confirm actual transmission, spline, control system and engine combination. Have the builder review gearing, vehicle weight and intended use before comparing configurations. A converter family title does not establish compatibility with every XUV engine or transmission.Gaskets, Bearings and EFI PlatesCometic gasket references distinguish bore, thickness and fastening details. Clevite, King and ACL bearing choices require exact engine support and journal/clearance measurements. Nitrous Express plate references differ in bore and mounting pattern, with separate plate-only...

View GMC Envoy XUV Parts and Accessories Products
Honda Accord Crosstour Parts and Accessories

Honda Accord Crosstour Parts and Accessories

Shop Honda Accord Crosstour brake and maintenance parts at Black Ops Auto Works. Compare PowerStop kits, DFC hydraulics, K&N filters and engine-service options for your repair. Identify the exact production year, engine, drivetrain and installed assemblies to choose each full application.Brake Kits and Hydraulic ComponentsCompare PowerStop front Z17 packages by exact rotor type, supplied pads or hardware and full Crosstour application. For rear calipers or DFC service components, identify axle, side and the installed brake assembly before choosing the replacement. Review caliper brackets and other supplied pieces separately so the order covers the repair being performed.Filters, Batteries and Engine ServiceChoose K&N cabin or oil filters by complete vehicle and engine application, housing, dimensions and required connections. Compare Odyssey AGM batteries using case size, terminal layout, retention and vehicle electrical requirements. For Gates timing-belt parts, engine bear...

View Honda Accord Crosstour Parts and Accessories Products
Honda Accord Parts and Accessories

Honda Accord Parts and Accessories

Shop Honda Accord parts for intake upgrades, clutch work, brake maintenance and suspension projects at Black Ops Auto Works. Compare Injen intake applications, Action Clutch or Clutch Masters kits and brake-service choices. Build an order around your Accord generation, engine, body and transmission.Intake and Engine-Service ChoicesInjen references name specific applications such as the 2018–2020 1.5L turbo Accord and earlier four-cylinder models. Compare full engine coverage, routing and package contents before choosing an intake. Fuel-system, gasket and other engine references have separate interfaces and calibration requirements; match the actual engine and existing modifications with your builder or tuner.Clutch Kits and FlywheelsAction Clutch and Clutch Masters listings span different engines and manual transmissions, including separate 1.5T, 2.0T and V6 applications. Compare intended use, friction arrangement and the flywheel specified for the kit. Aluminum, chromoly and OE-HD ...

View Honda Accord Parts and Accessories Products
Jeep Cherokee Parts and Accessories

Jeep Cherokee Parts and Accessories

Explore Jeep Cherokee parts for suspension projects, axle work and engine maintenance at Black Ops Auto Works. Compare named Skyjacker, Bilstein, Yukon, K&N and Mishimoto references around the actual Cherokee generation. Build the order for the installed drivetrain, intended ride height and repair or upgrade planned.Suspension Choices for XJ and Later Cherokee ApplicationsSkyjacker titles name XJ long-travel coil springs, while JKS control-arm references and Artec axle-truss entries identify separate chassis components. Bilstein titles distinguish older full-size applications, XJ service shocks and later Cherokee Active Drive strut or rear-shock references. Choose a complete generation-specific suspension plan before combining pieces.Yukon Axle Components and Rebuild ProjectsYukon references include Dana 30, Dana 44, Model 35 and Chrysler 8.25-inch service families. Identify the installed front and rear axles before selecting gears, lockers, shafts or repair kits. Compare spline...

View Jeep Cherokee Parts and Accessories Products
Jeep Wrangler Parts & Accessories

Jeep Wrangler Parts & Accessories

Explore Jeep Wrangler parts for trail-build planning, exterior accessories and focused maintenance at Black Ops Auto Works. Compare suspension and steering choices with running boards, lighting and engine-specific service pieces. Start with the exact Wrangler generation and body, then coordinate the complete project around current equipment.Suspension Choices Across Wrangler GenerationsBuild a Wrangler suspension order around the correct generation and desired setup. Compare Skyjacker YJ leaf springs and TJ coil springs, or Bilstein, Fabtech and JKS shock, spring, link and control-arm options for their exact JL applications. For a JL front-lower-arm option, review JKS1625 adjustable J-Flex control arms and its specified lift range. Match body, installed axles and current ride height, then review the complete system contents and alignment requirements.Steps, Lighting and Exterior AccessoriesCompare RealTruck running boards and nerf bars for the correct two-door JL or four-door JLU bo...

View Jeep Wrangler Parts & Accessories Products
K&N Engineering

K&N Engineering

Shop K&N Engineering intake and filtration products at Black Ops Auto Works. Compare vehicle-specific AirCharger and NextGen systems with replacement engine-air, cabin and oil filters. For a custom intake project, review clamp-on filters, adapters and filter-wrap choices by their exact dimensions and requirements.Vehicle-Specific Intake SystemsCompare K&N AirCharger and NextGen intake systems for the exact Jeep, Dodge, Ram, Ford, GM or other vehicle you are building. Match engine, production and factory induction equipment, then review the tubing, filter, sensor provisions and ventilation connections supplied. Check the selected kit’s complete installation and calibration requirements before ordering.Replacement Engine-Air, Cabin and Oil FiltersChoose an engine-air filter for the existing airbox or intake, a cabin filter for the ventilation system, or an oil filter for the exact engine. Compare the specific High-Flow, Advantage, Advantage Plus or other product’s application ...

View K&N Engineering Products
Lexus GS400 Parts and Accessories

Lexus GS400 Parts and Accessories

Explore Lexus GS400 parts at Black Ops Auto Works for intake, exhaust, suspension and selected service projects. Compare a named Weapon R intake with Revel axle-back, Tein coilover and RS-R spring references. Build around the actual engine, chassis and existing hardware.Weapon R Intake and Revel Exhaust ChoicesCompare the Weapon R Dragon intake specified for the 1998–2000 GS400 with your engine, mounting and sensor connections. For the Revel Medallion Street Plus axle-back, review complete GS400 coverage, rear-system routing and supplied sections. Check how each component connects to the existing system before planning installation.Tein, RS-R and Chassis ComponentsChoose Tein Street Advance Z coilovers or RS-R Down Sus springs using complete GS400 chassis and factory-suspension coverage. Compare components supplied, compatible dampers, ride-height goals and installation requirements. Review Cusco front or rear strut bars, Bilstein rear shocks and bushings independently for exact mou...

View Lexus GS400 Parts and Accessories Products
Oldsmobile Bravada Parts and Accessories

Oldsmobile Bravada Parts and Accessories

Explore Oldsmobile Bravada parts for brake maintenance, suspension work and driveline projects at Black Ops Auto Works. Compare the service category your SUV needs before choosing a component: brake hardware, shock applications, differential rebuilding parts and transmission-specific converters each serve a different job.Brake Service and Suspension OptionsCompare EBC or PowerStop brake components with DFC parking-brake hardware for the planned service, using complete Bravada production coverage. Match axle position, installed caliper, rotor or drum dimensions and supplied fittings before selecting parts. Choose shocks, bushings or mounts separately by full suspension coverage, service position, mounting and travel requirements.Differential Rebuilds, Ratios and CarriersYukon listings include 7.5-inch and 7.625-inch rebuild components, gear ratios and carrier choices, alongside a separate Trailblazer/Envoy differential-cover reference. Identify the actual axle before comparing them. ...

View Oldsmobile Bravada Parts and Accessories Products
Scion xD Parts and Accessories

Scion xD Parts and Accessories

Shop Scion xD parts for brake maintenance, intake projects and selected chassis work at Black Ops Auto Works. Explore applicable brake packages, K&N filters, an Injen cold-air reference, Progress rear sway bar and Tanabe front brace. Choose parts for your exact production and current equipment.Front Brakes and Rear Drum ServiceBrembo front-rotor and EBC kit references name selected xD applications. Compare applicable PowerStop kits and caliper options using the actual brake dimensions and supplied components. Rear drum hardware, shoes and front-disc parts need their separate positions and complete vehicle coverage established.Intake, Filter and Ignition ChoicesThe Injen title identifies a specific 1.8L xD intake application, while K&N drop-in references name particular production ranges. Compare a complete intake with a replacement filter for the original airbox. Review cabin filters and NGK plugs independently for the actual housing and engine requirements.Chassis Bracing a...

View Scion xD Parts and Accessories Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×