Product Description
Prevent coolant leaks and keep your TDI cooling system tight with the MAHLE K31925 water pump gasket for 2000–2006 VW 1.9L TDI and 2009–2014 VW 2.0L TDI applications. This OE-style O-ring seals the water pump to the housing, delivering the precise fit, coolant resistance, and durability you expect from MAHLE Original® when doing timing belt and pump service on VW/Audi TDI engines.
Fitment
- VW 1.9L TDI (ALH/BEW/BRM) – 2000–2006 Beetle, Golf, Jetta
- VW 2.0L TDI (CBEA/CJAA) – 2009–2014 Jetta, Golf, Beetle
- 2010–2013 Audi A3 2.0L TDI
- Certain 2004–2005 VW Passat 2.0L TDI (BHW) applications
Cross-Reference / Alternatives (Mahle on CPP Diesel only)
- MAHLE VS50662 – VALVE COVER GASKET FOR 09–14 VW 2.0L TDI
- MAHLE HS54888 – HEAD SET FOR 09–14 VW/AUDI 2.0L TDI
- MAHLE OX 188D – OIL FILTER FOR 05–13 VW 1.9L/2.0L TDI
- MAHLE GS33685 – CYLINDER HEAD BOLTS 2009–2014 VW/AUDI 2.0L TDI
- MAHLE KX 228D – FUEL FILTER (“1-HOLE FILTER”) FOR 05–13 VW TDI
What’s Included
- (1) MAHLE K31925 water pump gasket / O-ring.
FAQ
Will this gasket fit my 2000–2006 1.9L TDI?
Yes. MAHLE K31925 is listed for ALH, BEW, and BRM 1.9L TDI engines in Beetle, Golf, and Jetta from 2000–2006. Always verify engine code and pump style during service.
Does this also work on 2009–2014 2.0L TDI models?
Yes. It is used on many CBEA and CJAA 2.0L TDI engines found in 2009–2014 VW Jetta, Golf, Beetle, and 2010–2013 Audi A3 2.0L TDI, plus select Passat 2.0L TDI BHW applications.
Is K31925 the same as VW 038121119B?
MAHLE K31925 is an OE-style replacement for the VW/Audi water pump housing O-ring 038121119B and equivalent numbers. It’s engineered for OE-equivalent sealing performance.
Do I need sealant on this water pump O-ring?
No sealant is required. Lightly lubricate the gasket with fresh coolant, install into a clean groove, and torque the water pump hardware to factory specifications.
Specifications for Mahle K31925
| Attribute | Value |
|---|---|
| Brand | MAHLE |
| Part Number | K31925 |
| Application | Water pump gasket / O-ring – VW/Audi TDI |
| Engine / Years | 2000–2006 VW 1.9L TDI; 2009–2014 VW 2.0L TDI; 2010–2013 Audi A3 2.0L TDI; select 2004–2005 VW Passat 2.0L TDI (BHW) |
| UPC | 027067722881 |
| GTIN | 027067722881 |
| Shipping | Calculated at checkout; optional shipping insurance available at checkout |
| Prop 65 | No specific Prop 65 warning is listed for this gasket. |