Click to zoom in
SKU: 57-3036 | UPC: 024844103949
K&N 57-3036 Performance Air Intake System: 2002-2005 Chevrolet Trailblazer L6-4.2L
The K&N 57-3036 is a complete cold air intake system designed for 2002-2005 Chevrolet Trailblazer 4.2L L6, GMC Envoy, Envoy XL, Envoy XUV, Trailblazer EXT, and Oldsmobile Bravada models. It replaces the factory air filter and intake tube with a high-volume roto-molded HDPE tube and oversized high-flow oiled cotton filter for guaranteed horsepower and torque gains. A custom heat shield keeps intake air cool while the washable filter lasts up to 100,000 miles between services under highway driving.
Key Features
- Roto-molded HDPE intake tube: Increases airflow volume to the engine for more power and smoother throttle response
- Oversized high-flow air filter: Oiled cotton media provides superior filtration and requires cleaning only every 100,000 miles on highway drives
- Custom heat shield: Blocks hot underhood air to deliver cooler denser intake charge for better performance
- Easy installation: Bolt-on design completes in 60 minutes or less using basic hand tools with no vehicle modifications
- No-Hassle Lifetime Limited Warranty: Covers the entire system and guarantees horsepower and torque increases
Product Notes
- Replaces OEM air filter and intake tube without cutting or permanent changes
- Filter cleaning uses K&N oil and cleaner kit for reuse every 100,000 highway miles
- Product weighs 8.75 lbs and ships in protective packaging
Installation Notes
- Professional installation recommended.
- Requires only simple hand tools like screwdriver and pliers for 60-minute install
- Bolts directly to factory mounting points with included hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2005 | Chevrolet | Trailblazer | LS |
| 2002-2005 | Chevrolet | Trailblazer | LT |
| 2002-2003 | Chevrolet | Trailblazer | LTZ |
| 2002-2004 | Chevrolet | Trailblazer | North Face |
| 2003-2005 | Chevrolet | Trailblazer EXT | LS |
| 2002-2005 | Chevrolet | Trailblazer EXT | LT |
| 2002-2005 | GMC | Envoy | SLE |
| 2002-2005 | GMC | Envoy | SLT |
| 2002-2005 | GMC | Envoy XL | SLE |
| 2002-2005 | GMC | Envoy XL | SLT |
| 2004-2005 | GMC | Envoy XUV | SLE |
| 2004-2005 | GMC | Envoy XUV | SLT |
| 2002-2004 | Oldsmobile | Bravada | Base |
Why Choose K&N?
- Engineered since 1969 with dyno-proven designs for real-world power gains
- High-flow filtration traps dirt while allowing maximum clean air through
- Exact-fit systems for seamless integration and reliable long-term performance
Frequently Asked Questions
-
Q: Does the 57-3036 fit 2005 Chevrolet Trailblazer LS and LT models?
A: Yes, it fits all 2002-2005 Trailblazer LS and LT trims with the 4.2L L6 engine, including EXT versions. -
Q: What materials are used in the intake tube and filter?
A: Durable high-density polyethylene HDPE for the roto-molded tube and oiled cotton gauze media for the reusable filter. -
Q: What warranty coverage is provided?
A: K&N No-Hassle Lifetime Limited Warranty covers the full system against defects and guarantees power increases.
Shipping & Handling
- Method: Ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Secure carton 23.75 x 13.25 x 9.75 inches
- Weight: 8.75 lbs
Air Intake Systems
Air intake systems for Hellcat, Trackhawk, TRX, HEMI, and import performance platforms are stocked at Black Ops Auto Works. Shop cold air intakes, short ram intakes, air boxes, intake elbows, mass air flow sensors, scoops, snorkels, and silicone couplers for street cars, trucks, Jeeps, and supercharged Mopar builds. Every intake system is filterable by vehicle platform, engine, and intake style so the correct part ships the first time. Black Ops Auto Works carries 4,427 air intake SKUs across cold air intakes, short ram intakes, and supporting components. What This Category Covers An air intake system pulls outside air into the engine and filters it before combustion. Upgrading the factory intake with a cold air intake, short ram intake, or carbon fiber system can improve airflow, throttle response, induction sound, and horsepower potential on compatible applications. Cold Air Intakes vs Short Ram Intakes Cold air intakes route the filter away from engine bay heat for cooler, de...
View Air Intake Systems Products
Cold Air Intakes
Shop cold air intakes, short ram intakes, closed-airbox intake systems, replacement air filters, intake tubes, and MAF housings from K&N, AEM, aFe Power, Airaid, S&B Filters, Injen, Roush, Volant, Corsa, Mishimoto, HPS Performance, Cobb Tuning, JLT, Vararam, Steeda, and other performance intake brands. Find full open-element cold air intakes, sealed-airbox systems, dry and oiled air filters, replacement drop-in filter panels, MAF sensor housings, and complete intake tube kits. Cold air intakes for domestic muscle, sport-compact tuners, diesel trucks, off-road 4x4, Euro performance, and modern sport SUVs Mustang, Camaro, Challenger, Charger, F-150, Silverado, Ram, Tundra, Tacoma, 4Runner, Wrangler, Bronco, Cummins, Duramax, Power Stroke, WRX/STi, Civic Type R, GR86, Supra, GR Corolla, BMW M2/M3/M4, Golf R, and hundreds of additional platforms. Filter by vehicle, intake style (open element, closed airbox, short ram, tube kit), filter media (oiled cotton, dry synthetic), tun...
View Cold Air Intakes Products
K&N Engineering
K&N Engineering filters and intakes for Jeep, RAM, Dodge, Chevy, Ford, Toyota, BMW, and Cadillac platforms are stocked at Black Ops Auto Works. Shop cold air intakes, Aircharger and NextGen intake systems, reusable panel filters, drop-in filters, universal clamp-on filters, oil filters, cabin filters, fuel filters, and filter cleaning kits for HEMI, Cummins diesel, EcoBoost, and LS/LT engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 1,927 K&N Engineering SKUs across intake, filtration, and maintenance categories. What This Brand Covers K&N Engineering built its reputation on reusable, high flow air filtration. This collection spans complete cold air intake systems, direct fit replacement filters, universal clamp-on filters for custom builds, and maintenance items like oil filters, fuel filters, and cabin filters. Cold Air Intakes and Intake Systems K&am...
View K&N Engineering Products