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URO 99610662355 Radiator Coolant Hose - Left Upper
| Brand | URO 99610662355 |
|---|---|
| Position | Left Upper |
| Fits | Porsche · 31 vehicles |
OE dimensions and shape. Precision-molded for easy installation.
Heat and ozone resistant. Built to handle demanding cooling-system conditions.
ECD-resistant EPDM. Helps prevent electrolysis from breaking down the rubber.
Cross-references URO 99610662355, 996 106 623 55 and 996 106 623 56 for the same application. See all 4.
Radiator Coolant Hose for Porsche Cooling Repair
This URO radiator coolant hose is a direct-fit replacement for the left upper cooling circuit on select Porsche models. It is precision-molded to OE dimensions and shape for straightforward installation and consistent routing in the engine bay.
Key Features
- Fits 1999-2005 Porsche 911, left upper, connecting pipe for radiator hose from main supply pipe
- Fits 2001-2004 Porsche Boxster, left upper, connecting pipe for radiator hose from main supply pipe
- OE-shaped construction for accurate fitment
- EPDM rubber resists engine heat, ozone, and electrochemical degradation
- Temperature rated from -40°F to 275°F (-40°C to 135°C)
- URO Part Number 99610662355
Detailed Description
Built for Porsche cooling system service, this radiator coolant hose follows the original hose geometry to help maintain proper coolant flow and secure connection points. The EPDM material is formulated to resist breakdown from heat, ozone, and electrolysis-related degradation, which is important in high-temperature cooling circuits. For Porsche 911 and Porsche Boxster applications, part number 99610662355 supports a clean OE-style repair where the left upper hose connection is worn, cracked, or no longer sealing correctly. This part cross-references URO-004687 for the same application.
Common Repair Issues
- Coolant seepage at the left upper hose connection
- Cracked or hardened rubber from heat cycling
- Loss of proper hose shape or routing after age-related wear
- Cooling system leaks affecting stable engine temperature
Installation Notes
Verify the vehicle’s left upper hose routing before installation and compare the original part to the replacement hose. Inspect adjoining pipes, clamps, and sealing surfaces for wear or corrosion, and confirm the hose seats fully at each connection point. This part is listed for 1999-2005 Porsche 911 and 2001-2004 Porsche Boxster applications.
Quality Assurance
URO backs this radiator coolant hose with a 24-month unlimited mileage warranty. The hose is guaranteed for fitment and is manufactured to OE dimensions for dependable service in Porsche cooling system repairs.
| Year | Make | Model | Submodel | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Porsche | 911 | Carrera | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2005 | Porsche | 911 | Carrera 4S | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2005 | Porsche | 911 | GT2 | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2005 | Porsche | 911 | GT3 | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2004 | Porsche | 911 | 40th Anniversary Edition | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2004 | Porsche | 911 | Carrera | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2004 | Porsche | 911 | Carrera 4 | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2004 | Porsche | 911 | Carrera 4S | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2004 | Porsche | 911 | GT2 | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2004 | Porsche | 911 | GT3 | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2004 | Porsche | Boxster | Base | Automatic | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2004 | Porsche | Boxster | S | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2004 | Porsche | Boxster | S Special Edition | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2003 | Porsche | 911 | Carrera | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2003 | Porsche | 911 | Carrera 4 | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2003 | Porsche | 911 | Carrera 4S | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2003 | Porsche | 911 | GT2 | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2003 | Porsche | Boxster | Base | Automatic | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2003 | Porsche | Boxster | S | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2002 | Porsche | 911 | Carrera | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2002 | Porsche | 911 | Carrera 4 | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2002 | Porsche | 911 | Carrera 4S | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2002 | Porsche | 911 | GT2 | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2002 | Porsche | Boxster | Base | Automatic | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2002 | Porsche | Boxster | S | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2001 | Porsche | 911 | Carrera | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2001 | Porsche | 911 | Carrera 4 | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2001 | Porsche | Boxster | Base | Automatic | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2001 | Porsche | Boxster | S | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 2000 | Porsche | 911 | — | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
| 1999 | Porsche | 911 | — | — | Left Upper | Connecting pipe for radiator hose from main supply pipe |
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