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Gates 12259 HVAC Heater Hose - Heater (Center), Valve To Heater (Left) or Valve To Heater (Middle)
Overview of Gates Molded Heater Hose 12259
The Gates Molded Heater Hose 12259 is engineered for reliable HVAC performance in select BMW models. Constructed from durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in your vehicle's heating system.
- Made from high-quality EPDM rubber for heat and ozone resistance
- Molded design for precise fit and leak prevention
- Centerline length of 21.77 inches (553 mm) for exact replacement
- Consistent inside diameter of 0.66 inches (17 mm) on both ends
- Compatible with multiple BMW models including 528i, 535i, 550i, 640i, 650i, 740i, 750i, 760Li, and M6 variants
Detailed Product Description
The Gates Molded Heater Hose 12259 is part of the Molded Heater Hose product line, designed specifically to meet the demanding requirements of automotive HVAC systems. The molded construction provides a precise shape that matches OEM specifications, reducing the risk of leaks and ensuring a secure connection within the heating system. Made from EPDM, this hose offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity over time. With a centerline length of 21.77 inches (553 mm) and uniform inside diameters of 0.66 inches (17 mm) on both ends, it is engineered to fit seamlessly in the heating circuits of various BMW models.
Compatible BMW Models and Applications
- BMW 528i and 528i xDrive
- BMW 535i, 535i GT, 535i GT xDrive, and 535i xDrive
- BMW 550i, 550i GT, 550i GT xDrive, and 550i xDrive
- BMW 640i, 650i, and 650i xDrive
- BMW 740i, 740Li, 750i, 750i xDrive, 750Li, 750Li xDrive, and 760Li
- BMW M6 and M6 Gran Coupe
Common Issues Addressed by This Heater Hose
- Replacement of cracked or leaking heater hoses causing coolant loss
- Resolving heater core flow restrictions due to deteriorated hoses
- Preventing overheating issues related to faulty heater hose connections
- Eliminating coolant odors inside the cabin caused by hose leaks
- Maintaining proper HVAC system performance in BMW 5, 6, and 7 Series models
Installation Notes and Tips
Ensure the engine is cool before beginning installation to avoid burns from hot coolant. Verify the hose routing matches the original to prevent kinks or interference with other components. Use appropriate clamps to secure the hose ends firmly, and inspect all connections for leaks after installation. The molded design of this heater hose facilitates a straightforward replacement process when matched to the correct BMW model.
Quality Assurance and Warranty
Gates Molded Heater Hose 12259 is manufactured to meet strict OEM standards for durability and performance. The EPDM material and molded construction contribute to a reliable, long-lasting HVAC hose solution. While specific warranty details are not provided, Gates products typically adhere to industry quality controls to ensure customer satisfaction and part longevity.
| Brand | Gates |
| Part Number | 12259 |
| Position | Molded Heater Hose, Heater (Center), Valve To Heater (Left), and Valve To Heater (Middle) |
| Material | Epdm |
| End 1 Inside Diameter | .66 |
| End 1 Inside Diameter | 17 |
| End 2 Inside Diameter | .66 |
| End 2 Inside Diameter | 17 |
| Centerline Length | 21.77 |
| Centerline Length | 553 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 21.77 |
| Centerline Length (mm) | 553 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 66 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | BMW | M6 Gran Coupe | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2018 | BMW | M6 | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2018 | BMW | M6 Gran Coupe | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2017 | BMW | M6 | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2017 | BMW | M6 Gran Coupe | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2016 | BMW | M6 | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2016 | BMW | M6 Gran Coupe | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2015 | BMW | M6 | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2015 | BMW | M6 Gran Coupe | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2014 | BMW | 528i | 2.0L | L4 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2014 | BMW | 528i xDrive | 2.0L | L4 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2014 | BMW | 535i | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2014 | BMW | 535i GT | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2014 | BMW | 535i GT xDrive | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2014 | BMW | 535i xDrive | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2014 | BMW | 550i | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2014 | BMW | 550i GT | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2014 | BMW | 550i GT xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2014 | BMW | 550i xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2014 | BMW | M6 | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2014 | BMW | M6 Gran Coupe | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2013 | BMW | 528i | 2.0L | L4 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2013 | BMW | 528i xDrive | 2.0L | L4 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2013 | BMW | M6 | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2012 | BMW | 528i | 2.0L | L4 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 528i xDrive | 2.0L | L4 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 535i | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 535i GT | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 535i GT xDrive | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 535i xDrive | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 550i | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 550i GT | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 550i GT xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 550i xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 640i | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 650i | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 650i xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 750i | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 750i xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 750Li | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 750Li xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2012 | BMW | 760Li | 6.0L | V12 | GAS | Valve To Heater (Middle) | Molded Heater Hose |
| 2012 | BMW | M6 | 4.4L | V8 | GAS | Heater (Center) | Molded Heater Hose |
| 2011 | BMW | 528i | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 535i | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 535i GT | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 535i GT xDrive | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 535i xDrive | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 550i | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 550i GT | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 550i GT xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 550i xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 740i | 3.0L | L6 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 740Li | 3.0L | L6 | GAS | Valve To Heater (Left) | With Auxiliary Heater; Molded Heater Hose |
| 2011 | BMW | 750i | 4.4L | V8 | ELECTRIC/GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 750i | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 750i xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 750Li | 4.4L | V8 | ELECTRIC/GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 750Li | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2011 | BMW | 750Li xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2010 | BMW | 750i | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2010 | BMW | 750i xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2010 | BMW | 750Li | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2010 | BMW | 750Li xDrive | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2009 | BMW | 750i | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
| 2009 | BMW | 750Li | 4.4L | V8 | GAS | Valve To Heater (Left) | Molded Heater Hose |
* 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.