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Dorman 626-612 HVAC Heater Hose Assembly
Durable HVAC Heater Hose Assembly for Audi and Volkswagen
The Dorman 626-612 HVAC heater hose assembly is designed to provide reliable coolant flow for heating systems in select Audi and Volkswagen models. Constructed from aluminum with a black coated finish, this molded assembly ensures consistent performance under typical operating conditions.
- Material: Aluminum with black coated finish for corrosion resistance
- Includes clamps for secure installation
- Three barbed ends with 0.5 inch inside diameter and 0.63 inch outside diameter
- Branched hose design with two branches and a centerline length of 16.5 inches
- Maximum working pressure of 100 PSI suitable for regular HVAC system demands
- Molded assembly shape for precise fitment and routing
Product Details and Specifications
The Dorman 626-612 heater hose assembly is engineered as a branched coolant hose with three barbed attachment points, each having a 0.5 inch inside diameter. The hose ends measure 0.63 inches outside diameter, ensuring compatibility with factory connections. This regular grade hose assembly does not contain springs or protective sleeves but includes clamps to facilitate a secure and leak-free installation. The molded assembly shape is designed to match the OEM routing for efficient coolant flow within the HVAC system.
Compatible Vehicles and Applications
This heater hose assembly is compatible with a range of Audi and Volkswagen vehicles, including the Audi A3, A3 Quattro, Q3, Q3 Quattro, TT, and TT Quattro, as well as Volkswagen Beetle, CC, Eos, Golf, GTI, Jetta, Passat, Tiguan, and Tiguan Limited models. The Dorman 626-612 is intended for use in HVAC systems requiring a branched heater hose assembly with the specified dimensions and pressure rating.
- Resolves heater core coolant leaks
- Replaces cracked or damaged heater hoses
- Prevents coolant loss and overheating issues
- Restores proper heater function and cabin warmth
- Eliminates coolant contamination from hose failure
Installation Notes and Tips
Before installation, ensure the engine is cool and the cooling system is depressurized. Remove the old heater hose assembly carefully to avoid damage to surrounding components. Use the included clamps to secure each barbed end firmly, preventing leaks. Verify that the hose routing matches the original configuration to maintain proper coolant flow and avoid kinks or stress points.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 626-612 heater hose assembly undergoes quality checks to ensure durability and performance under normal operating conditions. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.
| Brand | Dorman |
| Part Number | 626-612 |
| Branch Quantity | 2 |
| Centerline Length | 16.5 |
| Clamps Included | Yes |
| Color | Black/Coated |
| Contains Spring | No |
| Coolant Hose Heat Shield Included | No |
| Coolant Hose Type | Branched |
| End 1 Attachment Type | Barbed |
| End 1 Inside Diameter | 0.5 |
| End 2 Attachment Type | Barbed |
| End 2 Inside Diameter | 0.5 |
| End 3 Attachment Type | Barbed |
| End 3 Inside Diameter | 0.5 |
| Grade Type | Regular |
| Hose End (1) Outside Diameter (In) | 0.63 In |
| Hose End (2) Outside Diameter (In) | 0.63 In |
| Hose End (3) Outside Diameter (In) | 0.63 In |
| Hose Shape | Molded Assembly |
| Material | Aluminum |
| Maximum Working Pressure | 100 |
| Package Contents | 1 Heater Hose Assembly |
| Protective Sleeve Attached | No |
| Thermostatically Controlled | No |
This part fits 69 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Audi | Q3 | 2.0L | L4 | N/A | Upgraded to Steel |
| 2018 | Audi | Q3 Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2018 | Volkswagen | Tiguan Limited | 2.0L | L4 | N/A | Upgraded to Steel |
| 2017 | Audi | Q3 | 2.0L | L4 | N/A | Upgraded to Steel |
| 2017 | Audi | Q3 Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2017 | Volkswagen | CC | 2.0L | L4 | N/A | Upgraded to Steel |
| 2017 | Volkswagen | Tiguan | 2.0L | L4 | N/A | Upgraded to Steel |
| 2016 | Audi | Q3 | 2.0L | L4 | N/A | Upgraded to Steel |
| 2016 | Audi | Q3 Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2016 | Volkswagen | CC | 2.0L | L4 | N/A | Upgraded to Steel |
| 2016 | Volkswagen | Eos | 2.0L | L4 | N/A | Upgraded to Steel |
| 2016 | Volkswagen | Tiguan | 2.0L | L4 | N/A | Upgraded to Steel |
| 2015 | Audi | Q3 | 2.0L | L4 | N/A | Upgraded to Steel |
| 2015 | Audi | Q3 Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2015 | Volkswagen | CC | 2.0L | L4 | N/A | Upgraded to Steel |
| 2015 | Volkswagen | Eos | 2.0L | L4 | N/A | Upgraded to Steel |
| 2015 | Volkswagen | Tiguan | 2.0L | L4 | N/A | Upgraded to Steel |
| 2014 | Audi | TT Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2014 | Volkswagen | CC | 2.0L | L4 | N/A | Upgraded to Steel |
| 2014 | Volkswagen | Eos | 2.0L | L4 | N/A | Upgraded to Steel |
| 2014 | Volkswagen | GTI | 2.0L | L4 | N/A | Upgraded to Steel |
| 2014 | Volkswagen | Tiguan | 2.0L | L4 | N/A | Upgraded to Steel |
| 2013 | Audi | A3 | 2.0L | L4 | N/A | Upgraded to Steel |
| 2013 | Audi | A3 Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2013 | Audi | TT Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2013 | Volkswagen | Beetle | 2.0L | L4 | N/A | Upgraded to Steel |
| 2013 | Volkswagen | CC | 2.0L | L4 | N/A | Upgraded to Steel |
| 2013 | Volkswagen | Eos | 2.0L | L4 | N/A | Upgraded to Steel |
| 2013 | Volkswagen | Golf | 2.0L | L4 | N/A | Upgraded to Steel |
| 2013 | Volkswagen | GTI | 2.0L | L4 | N/A | Upgraded to Steel |
| 2013 | Volkswagen | Jetta | 2.0L | L4 | N/A | Upgraded to Steel |
| 2013 | Volkswagen | Tiguan | 2.0L | L4 | N/A | Upgraded to Steel |
| 2012 | Audi | A3 | 2.0L | L4 | N/A | Upgraded to Steel |
| 2012 | Audi | A3 Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2012 | Audi | TT Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2012 | Volkswagen | Beetle | 2.0L | L4 | N/A | Upgraded to Steel |
| 2012 | Volkswagen | CC | 2.0L | L4 | N/A | Upgraded to Steel |
| 2012 | Volkswagen | Eos | 2.0L | L4 | N/A | Upgraded to Steel |
| 2012 | Volkswagen | GTI | 2.0L | L4 | N/A | Upgraded to Steel |
| 2012 | Volkswagen | Jetta | 2.0L | L4 | N/A | Upgraded to Steel |
| 2012 | Volkswagen | Tiguan | 2.0L | L4 | N/A | Upgraded to Steel |
| 2011 | Audi | A3 | 2.0L | L4 | N/A | Upgraded to Steel |
| 2011 | Audi | A3 Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2011 | Audi | TT Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2011 | Volkswagen | CC | 2.0L | L4 | N/A | Upgraded to Steel |
| 2011 | Volkswagen | Eos | 2.0L | L4 | N/A | Upgraded to Steel |
| 2011 | Volkswagen | GTI | 2.0L | L4 | N/A | Upgraded to Steel |
| 2011 | Volkswagen | Tiguan | 2.0L | L4 | N/A | Upgraded to Steel |
| 2010 | Audi | A3 | 2.0L | L4 | N/A | Upgraded to Steel |
| 2010 | Audi | A3 Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2010 | Audi | TT Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2010 | Volkswagen | CC | 2.0L | L4 | N/A | Upgraded to Steel |
| 2010 | Volkswagen | Eos | 2.0L | L4 | N/A | Upgraded to Steel |
| 2010 | Volkswagen | GTI | 2.0L | L4 | N/A | Upgraded to Steel |
| 2010 | Volkswagen | Jetta | 2.0L | L4 | N/A | Upgraded to Steel |
| 2010 | Volkswagen | Passat | 2.0L | L4 | N/A | Upgraded to Steel |
| 2010 | Volkswagen | Tiguan | 2.0L | L4 | N/A | Upgraded to Steel |
| 2009 | Audi | A3 | 2.0L | L4 | N/A | Upgraded to Steel |
| 2009 | Audi | A3 Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2009 | Audi | TT | 2.0L | L4 | N/A | Upgraded to Steel |
| 2009 | Audi | TT Quattro | 2.0L | L4 | N/A | Upgraded to Steel |
| 2009 | Volkswagen | CC | 2.0L | L4 | N/A | Upgraded to Steel |
| 2009 | Volkswagen | Eos | 2.0L | L4 | N/A | Upgraded to Steel |
| 2009 | Volkswagen | GTI | 2.0L | L4 | N/A | Upgraded to Steel |
| 2009 | Volkswagen | Jetta | 2.0L | L4 | N/A | Upgraded to Steel |
| 2009 | Volkswagen | Passat | 2.0L | L4 | N/A | Upgraded to Steel |
| 2009 | Volkswagen | Tiguan | 2.0L | L4 | N/A | Upgraded to Steel |
| 2008 | Audi | A3 | 2.0L | L4 | N/A | Upgraded to Steel |
| 2008 | Volkswagen | Jetta | 2.0L | L4 | N/A | From 7/01/08; Upgraded to Steel |
* 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.