SKU: SO-3001 | UPC: 024844386748
K&N Spin-On Oil Filter for 1997-2006 Audi A4 1.8L L4 High Flow Engine Protection
The K&N SO-3001 spin-on oil filter fits 1997-2006 Audi A4 models with 1.8L L4 engines delivering higher oil flow rates and larger dirt-holding capacity than OEM filters. This keeps engines cleaner with smoother operation over longer intervals using premium media that traps more contaminants without restricting flow. Engineered for up to 20000 miles of service when changing oil per manufacturer guidelines it provides reliable protection for Audi A4 owners.
Key Features
- High-Flow Premium Media: Captures 99% of contaminants 30 microns and larger for thorough engine protection while allowing unrestricted oil flow
- Anti-Drainback Valve: Prevents dry starts by holding oil in the filter during shutdowns ensuring immediate lubrication on startup
- Bypass Valve: Opens at 8-11 PSI to maintain oil flow under high-demand conditions protecting the engine from starvation
- Nitrile Rubber Gasket: Creates a secure seal to prevent leaks and ensure proper fit on 3/4 in. – 16 thread size
- Extended Capacity Design: Supports longer service intervals up to 20000 miles with all synthetic conventional and blended motor oils
Product Notes
- One K&N SO-3001 spin-on oil filter included fluted canister for easy removal with standard oil filter wrench
- Direct fit replacement no additional tools or hardware required
- Shipping box dimensions 4.75 in. H x 3.81 in. L x 3.81 in. W part weight 0.8 lb. 0.4 kg
Installation Notes
- Professional installation recommended.
- Direct OEM replacement uses 3/4 in. – 16 thread torque to manufacturer specs
- Filter height 4.53 in. 115 mm outside diameter 3.672 in. 93 mm no removal nut use standard wrench
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2006 | Audi | A4 | 1.8L L4 Base all engine codes AEB ATW AWL AWM APG |
| 1998-2005 | Audi | A4 | Avant 1.8L L4 |
| 2003-2006 | Audi | A4 | Cabriolet 1.8L L4 |
| 1996-2005 | Audi | A4 Quattro | Avant 1.8L L4 |
| 1996-2005 | Audi | A4 Quattro | Base 1.8L L4 |
| 1996-1998 | Audi | A6 | Avant 2.8L V6 |
| 1996-1998 | Audi | A6 | Base 2.8L V6 |
| 1982-1983 | Audi | 4000 | Base S |
| 1980-1983 | Audi | 5000 | Base S |
| 1995-1996 | Audi | Cabriolet | Base 2.8L V6 |
Why Choose K&N?
- Decades of engineering high-performance filtration for automotive applications
- Heavy-duty construction reduces oil restriction for better efficiency and longevity
- Precise fitment tested for direct replacement on specified vehicles
Frequently Asked Questions
- Q: Will this fit my 2001 Audi A4 1.8T with engine code AWM?
A: Yes the SO-3001 is a direct fit for 1997-2006 Audi A4 1.8L L4 including AWM and other codes like AEB ATW AWL APG across all trims verify with VIN - Q: What filter material and gasket is used?
A: High-flow premium media traps 99% of 30 micron particles nitrile rubber gasket ensures leak-free sealing compatible with all motor oil types - Q: What is the warranty and service interval?
A: 1-Year Limited warranty supports up to 20000 miles service life when following vehicle oil change schedule
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock – ships same or next business day
- Packaging: Secure box 4.75 in. H x 3.81 in. L x 3.81 in. W
- Weight: 0.8 lb. 0.4 kg
