$15.96
The thermostat in your vehicle regulates coolant flow based on engine temperature. When the engine is cold, the thermostat remains closed to speed up the warm-up process. After reaching operating temperature, it opens to allow hot coolant to circulate and maintain optimal engine performance.
A common symptom of thermostat failure is engine overheating combined with a lack of warm air from the heater. If the thermostat sticks closed, coolant cannot circulate properly, causing the engine to overheat. Replacing a faulty thermostat restores correct temperature regulation and cabin heating.
During thermostat replacement, fluid loss is expected. It is also recommended to replace the thermostat housing, as factory plastic housings often warp or break during removal.
JC PRONTEZZA provides OEM-quality thermostats and housings to ensure proper fit, durability, and long-lasting performance.
OE Part Number: 056 121 113 D
| Weight | .15 lbs |
|---|---|
| Dimensions | 2.5 × 2.5 × 22.5 in |
| Mfg Part # | 056121113D |
| Make | Model | Submodel | Engine | Notes |
|---|---|---|---|---|
| Audi | 80 | FWD | 4cyl | 3A Engine Code Only |
| Volkswagen | Golf III | All | TDI | Use vehicle selector to confirm fitment |
| Volkswagen | Golf IV | All | TDI | Use vehicle selector to confirm fitment |
| Volkswagen | Jetta III | All | TDI | Use vehicle selector to confirm fitment |
| Volkswagen | Jetta IV | All | TDI | Use vehicle selector to confirm fitment |
| Volkswagen | New Beetle | All | TDI | Use vehicle selector to confirm fitment |
| Volkswagen | Passat B4 | All | TDI | Use vehicle selector to confirm fitment |
| Volkswagen | Passat B5 | FWD | TDI | Use vehicle selector to confirm fitment |
O-Ring between thermostat housing and cylinder head
Replace your dented rusty oil pan – 021103601B
Keep your oil clean and your engine running like new
Hose connection found on the back of the block
Maximizes flow for stock turbochargers or future upgraded turbochargers thanks to a removable adapter
