OE Quality
60-Day Returns

Dorman 902-423 Engine Coolant Pipe
Reliable Engine Coolant Pipe for Audi and Volkswagen Vehicles
The Dorman 902-423 engine coolant pipe is designed to provide a durable and efficient coolant flow solution for select Audi and Volkswagen models. Constructed from high-quality plastic, this coolant pipe ensures consistent performance under normal operating conditions.
- Material: Durable black plastic construction
- Length: 14.125 inches for precise fitment
- Inside Diameter: 1.2 inches on both ends for uniform coolant flow
- Outside Diameter: 1.56 inches on both hose ends
- Maximum Working Pressure: Rated for up to 50 psi
- Includes coolant tube and O-rings for secure installation
- No heat shield or protective sleeve required
Detailed Product Description
The Dorman 902-423 engine coolant pipe is engineered to meet the specifications required for proper coolant circulation in various Audi and Volkswagen models, including the A3, A3 Quattro, Eos, EuroVan, Golf, Jetta, R32, and TT Quattro. Its plastic construction offers resistance to corrosion and heat, while the 14.125-inch length and consistent 1.2-inch inside diameter on both ends ensure a reliable seal and fit. The pipe is designed to handle a maximum working pressure of 50 psi, suitable for standard engine cooling systems without the need for additional heat shields or protective sleeves. Included O-rings help maintain a leak-free connection during installation.
Compatible Vehicles and Common Applications
- Replacement for engine coolant pipe issues in Audi A3 and A3 Quattro models
- Suitable for Volkswagen Golf, Jetta, and R32 coolant system repairs
- Compatible with Volkswagen Eos, EuroVan, and TT Quattro coolant lines
- Addresses coolant leaks, cracks, or pipe deterioration
- Helps maintain proper engine temperature regulation
Installation Notes and Tips
When installing the Dorman 902-423 engine coolant pipe, ensure the engine is cool to prevent injury. Use the included O-rings to secure a tight seal and prevent leaks. No additional heat shield or protective sleeve is necessary, simplifying the installation process. Verify that the pipe length and diameter match the original part to ensure proper fitment. It is recommended to inspect surrounding hoses and clamps during installation for any signs of wear.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your Audi or Volkswagen vehicle. The 902-423 engine coolant pipe undergoes rigorous quality checks to ensure durability and fitment accuracy. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
|---|---|
| Part Number | 902-423 |
| Color | Black |
| Coolant Hose Heat Shield Included | No Heat Shield Required |
| Coolant Hose Protective Sleeve Included | No Protective Sleeve Required |
| Coolant Hose Type | Single I.D. (Inside Diameter) |
| End 1 Inside Diameter | 1.2 |
| End 2 Inside Diameter | 1.2 |
| Hose End (1) Outside Diameter (In) | 1.56 in |
| Hose End (2) Outside Diameter (In) | 1.56 in |
| Length | 14.125 |
| Material | Plastic |
| Maximum Working Pressure (psi) | 50 PSI |
| Package Contents | Coolant Tube; O-rings |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2010 | Audi | TT Quattro | N/A | V6 195CID 3.2L (3189cc) | ||
| 2009 | Audi | A3 | N/A | L6 195CID 3.2L (3192cc) | ||
| 2009 | Audi | A3 Quattro | 3.2L | V6 | N/A | |
| 2009 | Audi | TT Quattro | 3.2L | V6 | N/A | |
| 2008 | Audi | A3 | N/A | L6 195CID 3.2L (3192cc) | ||
| 2008 | Audi | A3 Quattro | 3.2L | V6 | N/A | |
| 2008 | Audi | TT Quattro | 3.2L | V6 | N/A | |
| 2008 | Volkswagen | Eos | 3.2L | V6 | N/A | |
| 2008 | Volkswagen | R32 | 3.2L | V6 | N/A | |
| 2007 | Audi | A3 | N/A | L6 195CID 3.2L (3192cc) | ||
| 2007 | Audi | A3 Quattro | 3.2L | V6 | N/A | |
| 2007 | Audi | TT Quattro | 3.2L | V6 | N/A | |
| 2007 | Volkswagen | Eos | 3.2L | V6 | N/A | |
| 2006 | Audi | A3 | N/A | L6 195CID 3.2L (3192cc) | ||
| 2006 | Audi | A3 Quattro | 3.2L | V6 | N/A | |
| 2006 | Audi | TT Quattro | 3.2L | V6 | N/A | |
| 2005 | Audi | A3 Quattro | 3.2L | V6 | N/A | |
| 2005 | Audi | TT Quattro | 3.2L | V6 | N/A | |
| 2005 | Volkswagen | Golf | 2.8L | V6 | N/A | |
| 2004 | Audi | TT Quattro | 3.2L | V6 | N/A | |
| 2004 | Volkswagen | Golf | 2.8L | V6 | N/A | |
| 2004 | Volkswagen | Jetta | 2.8L | V6 | N/A | |
| 2004 | Volkswagen | R32 | 3.2L | V6 | N/A | |
| 2003 | Volkswagen | EuroVan | 2.8L | V6 | N/A | |
| 2003 | Volkswagen | Golf | 2.8L | V6 | N/A | |
| 2003 | Volkswagen | Jetta | 2.8L | V6 | N/A | |
| 2002 | Volkswagen | EuroVan | 2.8L | V6 | N/A | |
| 2002 | Volkswagen | Golf | 2.8L | V6 | N/A | |
| 2002 | Volkswagen | Jetta | 2.8L | V6 | N/A | |
| 2001 | Volkswagen | EuroVan | 2.8L | V6 | N/A | |
| 2000 | Volkswagen | EuroVan | 2.8L | V6 | N/A | |
| 1999 | Volkswagen | EuroVan | 2.8L | V6 | N/A |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.