











O-Ring between thermostat housing and cylinder head
2X Entries For Our G87 M2 Sweepstakes!We Price Match – Give Us A Call or Chat!
$3.80
2X Entries For Our G87 M2 Sweepstakes!We Price Match – Give Us A Call or Chat! O-Rings have multiple purposes and are very important to your vehicle’s health and functionality. Whether you need a replacement for your Thermostat Housing, Plastic Bypass Pipe or Cooling Sensors, ECS Tuning has the part for you. Stop leaks before they happen, replace your worn O-Rings at the first sign of wear, or while you're working on your cooling system.
917.931
| Mfg Part # | 021121119A |
|---|
| Make | Year | Model | Submodel | Engine | Notes |
|---|---|---|---|---|---|
| Audi | A3 8P | Quattro | 3.2L | Use vehicle selector to confirm fitment | |
| Audi | A3 8P | Quattro | V6 3.2L | Use vehicle selector to confirm fitment | |
| Audi | TT MKI | Quattro | 3.2L | Use vehicle selector to confirm fitment | |
| Volkswagen | Corrado | All | VR6 12v | Use vehicle selector to confirm fitment | |
| Volkswagen | Eurovan T4 | All | VR6 12v | Use vehicle selector to confirm fitment | |
| Volkswagen | Eurovan T4 | All | VR6 24v | Use vehicle selector to confirm fitment | |
| Volkswagen | Golf III | All | VR6 12v | Use vehicle selector to confirm fitment | |
| Volkswagen | Golf IV | All | VR6 12v | Use vehicle selector to confirm fitment | |
| Volkswagen | Golf IV | All | VR6 24v | Use vehicle selector to confirm fitment | |
| Volkswagen | Jetta III | All | VR6 12v | Use vehicle selector to confirm fitment | |
| Volkswagen | Jetta IV | All | VR6 12v | Use vehicle selector to confirm fitment | |
| Volkswagen | Jetta IV | All | VR6 24v | Use vehicle selector to confirm fitment | |
| Volkswagen | Passat B4 | All | VR6 12v | Use vehicle selector to confirm fitment | |
| Volkswagen | R32 MKIV | All | 3.2 | Use vehicle selector to confirm fitment | |
| Volkswagen | R32 MKV | All | 3.2 | Use vehicle selector to confirm fitment | |
| Volkswagen | Touareg 1 | All | V6 | For vehicles with 3.2L engine only |



Fix that oil leak for good!


Seals the connection between the oil cooler and the filter adapter. 59×5


Stepped plastic valves that resides under intake manifold & attached to the engine block breather system
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Maximizes flow for stock turbochargers or future upgraded turbochargers thanks to a removable adapter