SKU: 12002-AK015 | UPC: 4957266620960
HKS GT S/C Oil Filter for Subaru WRX STI 2004-2021
The HKS GT S/C Oil Filter provides critical lubrication for supercharged Subaru WRX STI engines in 2004-2021 Impreza models equipped with HKS GT Supercharger systems. This direct-fit filter maintains steady oil flow and pressure during high-boost track or street driving to shield bearings and gears from damage. Its design supports EJ20 and EJ25 engines in compatible Subaru applications for consistent performance.
Key Features
- High-Flow Media: Enables unrestricted oil circulation to supercharger bearings and components for reliable operation under sustained boost
- Steel Construction: Handles extreme pressures and heat in forced-induction setups without deformation
- Advanced Filtration: Captures particles down to 20 microns to keep oil clean and prevent circuit contamination
- Direct OEM Replacement: Matches threading on HKS GT Supercharger oil pumps for plug-and-play installation
- Extended Durability: Built for 10,000-mile intervals in supercharged Subaru engines
Product Notes
- Replace at every supercharger oil change to ensure peak reliability
- Prime the oil system before engine startup after installation
- Ships in protective box measuring 3 x 3 x 6 inches
Installation Notes
- Professional installation recommended.
- Drain supercharger oil circuit fully before filter removal
- Torque to 18 ft-lbs using HKS oil filter wrench
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2021 | Subaru | Impreza WRX STI | All |
| 2005-2009 | Subaru | Legacy | 2.5 GT |
| 2008-2014 | Subaru | Impreza WRX | All |
| 2004-2018 | Subaru | Forester STI | All |
Why Choose HKS?
- Trusted by motorsport teams since 1973
- Precision manufacturing from Japan
- Tested in high-boost racing environments
Frequently Asked Questions
- Q: Will this fit my 2015 WRX STI with HKS GT Supercharger?
A: Yes it bolts directly to the HKS GT2 or GTIII supercharger oil pump on 2004-2021 STI models - Q: What material is the filter housing?
A: Heavy-duty steel canister with anti-corrosion coating resists heat and pressure - Q: What is the service interval and warranty?
A: Change every 10,000 miles or annually backed by HKS limited lifetime warranty on defects
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Compact box 3 x 3 x 6 inches
- Weight: 0.35 lbs
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