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CalorstatPart #: RC0002
Calorstat RC0002 Engine Coolant Reservoir Cap
⚙️ 53 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$17.58Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, A4, A4 Quattro, A6, A6 Quattro, A8 Quattro, S4, S6, and S8
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Engine Coolant Reservoir Cap options
Calorstat RC0002 Engine Coolant Reservoir Cap
| Brand | Calorstat |
| Part Number | RC0002 |
| Material | Plastic, rubber |
| Maximum Pressure Rating | 20.0 |
| Attachment Type | Threaded |
| Type | Standard |
| Pressure Release Lever | No |
| Pressurized | Yes |
| Opening Pressure | 20 psi |
This part fits 53 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Audi | A6 | 3.2L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2011 | Audi | A6 Quattro | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2011 | Audi | S6 | 5.2L | V10 | N/A | Vernet is an OE Supplier to Audi | |
| 2010 | Audi | A6 | 3.2L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2010 | Audi | A6 Quattro | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2010 | Audi | A8 Quattro | 6.0L | W12 | N/A | Vernet is an OE Supplier to Audi | |
| 2010 | Audi | S6 | 5.2L | V10 | N/A | Vernet is an OE Supplier to Audi | |
| 2009 | Audi | A6 | 3.2L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2009 | Audi | A6 Quattro | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2009 | Audi | A8 Quattro | 6.0L | W12 | N/A | Vernet is an OE Supplier to Audi | |
| 2009 | Audi | S6 | 5.2L | V10 | N/A | Vernet is an OE Supplier to Audi | |
| 2009 | Audi | S8 | 5.2L | V10 | N/A | Vernet is an OE Supplier to Audi | |
| 2008 | Audi | A6 | 3.2L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2008 | Audi | A6 Quattro | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2008 | Audi | A8 Quattro | 6.0L | W12 | N/A | Vernet is an OE Supplier to Audi | |
| 2008 | Audi | S6 | 5.2L | V10 | N/A | Vernet is an OE Supplier to Audi | |
| 2008 | Audi | S8 | 5.2L | V10 | N/A | Vernet is an OE Supplier to Audi | |
| 2007 | Audi | A6 | 3.2L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2007 | Audi | A6 Quattro | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2007 | Audi | A8 Quattro | 6.0L | W12 | N/A | Vernet is an OE Supplier to Audi | |
| 2007 | Audi | S6 | 5.2L | V10 | N/A | Vernet is an OE Supplier to Audi | |
| 2007 | Audi | S8 | 5.2L | V10 | N/A | Vernet is an OE Supplier to Audi | |
| 2006 | Audi | A4 | 1.8L | L4 | N/A | Vernet is an OE Supplier to Audi | |
| 2006 | Audi | A4 Quattro | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2006 | Audi | A6 | 3.2L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2006 | Audi | A6 Quattro | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2006 | Audi | A8 Quattro | 6.0L | W12 | N/A | Vernet is an OE Supplier to Audi | |
| 2006 | Audi | S4 | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2005 | Audi | A4 | 3.2L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2005 | Audi | A4 Quattro | 3.2L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2005 | Audi | A6 Quattro | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2005 | Audi | A8 Quattro | 6.0L | W12 | N/A | Vernet is an OE Supplier to Audi | |
| 2005 | Audi | S4 | Wagon | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi |
| 2004 | Audi | A4 | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2004 | Audi | A4 Quattro | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2004 | Audi | A6 | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2004 | Audi | A6 Quattro | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2004 | Audi | A8 Quattro | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2004 | Audi | S4 | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2003 | Audi | A4 | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2003 | Audi | A4 Quattro | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2003 | Audi | A6 | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2003 | Audi | A6 Quattro | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2003 | Audi | A8 Quattro | 4.2L | V8 | N/A | Vernet is an OE Supplier to Audi | |
| 2002 | Audi | A4 | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2002 | Audi | A4 Quattro | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2002 | Audi | A6 | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2002 | Audi | A6 Quattro | 3.0L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2002 | Audi | S4 | 2.7L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2001 | Audi | A6 Quattro | 2.7L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2001 | Audi | S4 | 2.7L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2000 | Audi | A6 Quattro | 2.7L | V6 | N/A | Vernet is an OE Supplier to Audi | |
| 2000 | Audi | S4 | 2.7L | V6 | N/A | Vernet is an OE Supplier to Audi |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
100 238 00038E0121321RC237
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.