SKU: TS-0804-1004 | UPC: 9329677032116
Turbosmart 44um 4AN Banjo Inlet 4AN Female Outlet Turbo Mounted Small Oil Filter 1990-2024 WRX STI Evo Focus RS Universal
The Turbosmart 44um 4AN Banjo Inlet 4AN Female Outlet Turbo Mounted Small Oil Filter filters oil at 44 microns to shield turbo bearings from contaminants before oil enters the turbocharger. This compact design mounts directly on the turbo for tight engine bays in universal turbocharged vehicles including 1990-2024 Subaru Impreza WRX STI Mitsubishi Evolution Ford Focus RS and custom performance builds. It delivers clean oil flow for turbo reliability and extended life under high boost pressure.
Key Features
- 44 Micron Filtration: Captures particles down to 44 microns absolute rating to safeguard turbo bearings from wear and failure
- Billet Construction: CNC machined 6061 aluminum body offers lightweight durability and resistance to high engine temperatures
- Hard Anodized Finish: Corrosion resistant coating withstands oil exposure and harsh engine bay conditions
- 4AN Banjo Inlet: Banjo bolt connection secures to turbo oil feed lines for leak free integration
- 4AN Female Outlet: Female thread outlet connects directly to -4AN hoses directing filtered oil flow precisely
Product Notes
- Verify turbo oil port clearance and flow direction matches arrow on filter housing
- Replace filter element at recommended oil change intervals for peak performance
- Packaged securely to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Mount to turbo oil supply port using provided o-rings and banjo bolt
- Compatible with -4AN hose fittings and standard turbo hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Various | Turbocharged Vehicles | All Models |
| 1990-2024 | Subaru | Impreza WRX | STI |
| 1990-2024 | Mitsubishi | Evolution | All |
| 2000-2024 | Ford | Focus RS | All |
| Universal | Custom | Turbo Builds | N/A |
Why Choose Turbosmart?
- Engineered and manufactured in Australia for global racing applications
- High-quality materials deliver consistent performance in demanding conditions
- Precision design ensures reliable fit and function in turbo systems
Frequently Asked Questions
-
Q: Will this filter fit my aftermarket turbo setup?
A: Yes it works with most turbos using 4AN oil feed lines in universal applications including Subaru WRX STI Mitsubishi Evo and custom builds -
Q: What material and finish does the filter use?
A: CNC machined billet 6061 aluminum with hard anodized coating for strength and oil resistance -
Q: What warranty coverage applies?
A: Turbosmart provides a limited lifetime warranty against manufacturing defects when installed and maintained properly
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Compact protective box 4 x 3 x 2 inches
- Weight: 0.3 lb
Engine
Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ 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 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...
View Engine Products
Oil Filters
OE-style, performance, racing, cartridge, spin-on, and magnetic oil filters are stocked at Black Ops Auto Works for Silverado, F-150, Ram, Mustang, Camaro, Civic, WRX STI, EVO, 350Z, 370Z, Toyota, Subaru, European, and other street or performance engines. Shop spin-on filters, cartridge filters, high-flow filters, synthetic-media filters, racing filters, magnetic inline filters, oil-change service parts, and engine protection components. 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 124 Oil Filters SKUs across routine maintenance, high-mileage service, turbocharged engines, track use, and performance oiling systems. What This Oil Filters Collection Covers Oil filters remove abrasive debris and combustion byproducts from engine oil before they circulate through bearings, camshafts, turbochargers, hydraulic lifters, and variable-valve-timing systems. This collection includes app...
View Oil Filters Products
Oil Systems
Oil system parts for supercharged HEMI, LS and LT platforms, diesel trucks, and daily drivers are stocked at Black Ops Auto Works. Shop oil catch cans, air oil separators, oil filters, oil pans, oil pumps, oil pickups, dipsticks, drain plugs, and motor oils for Hellcat, Redeye, Demon, Jeep Trackhawk, Ram TRX, Corvette, Camaro, CTS-V, Mustang, F-150, and Silverado applications. 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 1,432 oil system SKUs across catch cans, filtration, and service hardware. What This Category Covers Oil system parts manage crankcase ventilation, filtration, and lubrication delivery throughout the engine. This collection spans oil catch cans, oil separators, air oil separators, oil filters, oil pans, oil pumps, oil pickups, dipsticks, drain plugs, oil baffles, and motor oils for street, track, towing, and high horsepower applications. Crankcase Ventilation...
View Oil Systems Products
Turbosmart
Turbosmart forced induction accessories for turbocharged platforms are stocked at Black Ops Auto Works. Shop external and internal wastegates, blow off valves, electronic boost controllers, boost tee kits, and turbo plumbing hardware for Mercedes-Benz AMG, BMW, Jeep Wrangler JL 2.0T, Ram 1500 Hurricane 3.0L, Honda Civic Type R, and other turbocharged engines. 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 628 Turbosmart SKUs across wastegates, blow off valves, boost control, and turbo hardware categories. What This Collection Covers Turbosmart designs boost control and turbo management hardware for any platform running forced induction, from factory turbocharged daily drivers to dedicated race builds. This collection brings together fitment verified wastegates, blow off valves, and boost controllers spanning modern factory turbo platforms like the Jeep Wrangler JL 2.0L Turbo an...
View Turbosmart Products


