The Diesel Fuel Return Line plays an important part in the engine's fuel system by returning unused fuel from the engine back to the fuel tank. It prevents flooding in the engine and helps ensures efficient fuel usage.
Bostech Fuel Return Line Kit for GM 6.6L Duramax is designed to the OEM specifications for function. Our universal kit comes with the needed hose, tee and elbow connectors, and clips to replace one side of the fuel return system.
Engine Fitment:
- GM Duramax LLY / LBZ / LMM
Note: Vehicle application information for reference only and may not include all year, make, and/or models. To ensure correct replacement verify by the OEM part number interchange.
- Prop65 Warning:
- WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
- Hose Material::
- Rubber
- Connector Material:
- Plastic
- Connector Tee Quantity::
- 3
- Connector Elbow Quantity::
- 1
- Retainer Clip Quantity::
- 4
WARRANTY:
Bostech / BT-Power's 24-Month Unlimited Mileage Warranty.
Our warranty covers product replacement for material and/or workmanship defects up to 24-months from the product purchase date, see our Warranty Policy under the Help Center link at the top of the page for full warranty details.
If you are experiencing issues with our products please contact our Customer Service Team.
Technical Support is available by contacting Bostech's Customer Service at 1-800-868-0057 or by emailing customerservice@bostechauto.com.
