While it was originally designed for older Volkswagen diesel engines, it became the gold-standard upgrade for Audi gasoline engines (particularly the 1.8T) due to its significantly larger capacity.
Spin-on canister oil filter.
It has a much larger internal volume and surface area compared to the standard filters (like the 06A115561B).
The 1.8T "Sludge" Fix: This specific filter was famously mandated by Audi and VW in a Technical Service Bulletin (TSB) for the longitudinal 1.8T engine (A4 and Passat) to increase oil capacity. This helped combat the "oil sludge" issues these engines faced by allowing for more oil in the system and better filtration.
This filter is incredibly versatile and fits a massive range of older VAG models:
Audi A4 / A4 Quattro (1997–2005, 1.8T engines)
Audi TT (2000–2006, 1.8T engines)
Audi 4000 / 5000 (Older 4 and 5-cylinder models)
Volkswagen Passat (1.8T models)
Volkswagen Jetta / Golf / Rabbit / Vanagon (Various Diesel and 1.8T engines)
Why Use This Part?
If you are driving a B5 or B6 generation Audi A4 with the 1.8T engine, this is the filter you should be using.
Increased Oil Capacity: It adds roughly 0.5 quarts to your total oil capacity.
Better Cooling: More oil in the system helps dissipate heat more effectively, which is critical for turbocharger longevity.
Anti-Drainback Valve: It features a high-quality internal valve that keeps oil in the upper engine during shutdown, preventing "dry starts."
- Brand: Audi
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