For the hose connection found on the back of the block
$3.00
The 03H121041B Water Pipe Seal is an OEM‑quality gasket designed for the rear water pipe to engine connection found in select Audi and Volkswagen models. It ensures a tight, leak‑free seal where the cooling system’s water pipe connects to the engine, maintaining proper coolant circulation and preventing leaks that could lead to overheating.
Like all rubber seals, this component is subject to heat, pressure, and age‑related wear. A failing seal can cause visible coolant leaks, engine overheating, or poor coolant system efficiency. Replacing it with a durable OEM‑grade part restores reliability and keeps your cooling system functioning as designed.
| Weight | .02 lbs |
|---|---|
| Dimensions | 4 × 4 × 2 in |
| Mfg Part # | 03H121041B |
| Make | Year | Model | Submodel | Engine | Notes |
|---|---|---|---|---|---|
| Volkswagen | CC | 4Motion | VR6 | Use vehicle selector to confirm fitment | |
| Volkswagen | CC | FWD | VR6 | Use vehicle selector to confirm fitment | |
| Volkswagen | Passat B6 | 4 Motion | 3.6L | Use vehicle selector to confirm fitment | |
| Volkswagen | Passat B6 | FWD | 3.6L | Use vehicle selector to confirm fitment |
Keeps chain tight.
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Keep your oil clean and your engine running like new
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Breather hose from front of block to valve cover
