SKU: B800515 | UPC: 700424676569
Cobb 2002+ Subaru WRX / 2004+ Subaru STI/Forester XT Delrin Oil Cap
The Cobb Delrin Oil Cap is a direct replacement for factory plastic caps on EJ-series turbo Subarus. It fits 2002-2007 WRX, 2004-2021 STI, and 2004-2013 Forester XT models. This cap delivers a tight O-ring seal to prevent oil leaks while offering easy removal during changes thanks to its knurled edge.
Key Features
- Delrin Construction: High-strength acetal resin resists cracking, chemicals, and heat better than OEM plastic for long-term reliability.
- Knurled Edge Design: Textured surface provides firm grip for quick, tool-free installation and removal in tight engine bays.
- Integrated O-Ring: Precision-machined seal ensures zero leaks and maintains proper crankcase pressure under boost.
- Lightweight Build: Weighs just 1.6 oz to reduce underhood mass without sacrificing strength.
- Black Finish: Clean, low-profile look complements performance engine setups.
Product Notes
- Direct bolt-on replacement no modifications required.
- Clean with mild soap avoid abrasives to preserve finish.
Installation Notes
- Professional installation recommended.
- Twist off OEM cap counterclockwise and replace with new cap torque to 10-15 in-lbs.
- Compatible with all factory and Cobb oil fill necks on listed models.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2021 | Subaru | Impreza | WRX STI |
| 2004-2013 | Subaru | Forester | XT |
Why Choose Cobb?
- Decades of Subaru engineering expertise from Accessport creators.
- Made in USA with tight tolerances for exact fit.
- Backed by limited lifetime warranty on manufacturing defects.
Frequently Asked Questions
-
Q: Will this fit my 2006 WRX or 2010 STI?
A: Yes, it fits all 2002-2007 WRX, 2004-2021 STI, and 2004-2013 Forester XT with EJ25 turbo engines. -
Q: What material is the cap made from?
A: Black Delrin (acetal), a tough engineering plastic that outperforms factory nylon in durability and heat resistance. -
Q: Is installation easy and what's the warranty?
A: Hand-tighten only, 1-minute install. Covered by Cobb's limited lifetime warranty against defects.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: 6 x 4 x 2 inch box with protective padding
- Weight: 0.25 lbs (shipping)
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