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Gates 51909 Radiator Coolant Hose - Upper
| Brand | Gates 51909 |
|---|---|
| Position | Upper |
| Material | Epdm, plastic, steel |
| End 1 Inside Diameter | 1.25 |
| End 1 Inside Diameter | 32 |
| End 2 Inside Diameter | 1.25 |
| End 2 Inside Diameter | 32 |
| Contains Spring | No |
| Centerline Length | 24 |
| Centerline Length | 610 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 2 |
| Modular Components | 2 female quick connectors |
| Modular Hose | Yes |
| Product line | Molded Coolant Hose |
| Fits | Audi · 2 vehicles |
Molded coolant hose. Engineered for modular coolant assemblies with OE-style integrated components.
EPDM, plastic, steel. Durable materials help deliver reliable coolant flow and connection strength.
Includes two female quick connectors for a secure, application-specific fit.
Cross-references Gates 51909 and Genuine 8R0121101 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Gates 51909 Molded Coolant Hose for Audi Q5
The Gates 51909 molded coolant hose is built for specific vehicle applications and follows OE-style routing and component placement. It is a direct-fit radiator coolant hose for select 2011-2012 Audi Q5 models in the upper position.
Key Features
- Fits 2011-2012 Audi Q5, upper
- Molded coolant hose construction for application-specific routing
- Made from EPDM, plastic, and steel for cooling system service
- End 1 inside diameter: 1.25 in. (32 mm)
- End 2 inside diameter: 1.25 in. (32 mm)
- Centerline length: 24 in. (610 mm)
- Modular hose design with 2 female quick connectors
- OE-style replacement for the Gates molded coolant hose line
Detailed Description
Gates Molded Coolant Hose part number 51909 is engineered for the upper radiator coolant hose location on 2011-2012 Audi Q5 vehicles. It uses a molded layout to match the original hose path and includes integrated modular components such as two female quick connectors, helping it align with the factory cooling system configuration. The Gates 51909 is also cross-referenced to Genuine 8R0121101 for the same application.
The Gates Molded Coolant Hose product line focuses on application-specific coolant hose assemblies that mirror OE-style fitment and integrated features. For Audi Q5 cooling system service, this line helps maintain the original hose routing and connection style without requiring custom adaptation.
Common Cooling System Issues It May Address
- Cracked or deteriorated upper radiator hose material
- Coolant leaks at hose connection points
- Improper hose routing from a previous repair
- Heat-related hose swelling or softening
- Failed quick-connect interface at the cooling system connection
Installation Notes and Tips
Verify the vehicle year, model, and upper hose position before installation. Compare the original hose routing, connector style, and overall length to the replacement part to confirm a proper match for the Audi Q5 cooling system. Inspect adjoining cooling system components for wear, residue, or damage before reassembly.
Quality Assurance
Gates is a recognized automotive aftermarket supplier with a focus on OE-style modular coolant hose assemblies. Part number 51909 is built for specific applications and follows the factory-style component layout used on select Audi Q5 models.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | Audi | Q5 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2011 | Audi | Q5 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
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