Hose connection found on the back of the block
$19.00
The 03H121145A Coolant Inlet Flange is a genuine OEM replacement part designed to connect the engine’s coolant system securely and ensure consistent coolant flow. This critical component helps regulate engine temperature and prevents overheating by maintaining a leak‑free connection between coolant lines.
Over time, plastic coolant flanges are prone to cracking and leaks due to heat cycling, coolant exposure, and vibration. A worn or damaged flange can cause coolant loss, overheating, and even engine failure if left unchecked. Replacing it with a genuine OEM unit ensures durability, perfect fitment, and restored reliability.
🔹 Features & Benefits:
| Weight | .5 lbs |
|---|---|
| Dimensions | 6 × 4 × 3 in |
| Mfg Part # | 03H121145A |
| Make | 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 |
Covers the thermostat, located on the coolant flange
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Replace your dented rusty oil pan
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Oil filter cartridge with o-ring
Keep your oil clean and your engine running like new
