2008-2010 LMM 6.6L Duramax Return Line Kit
Premium Quality

2008-2010 LMM 6.6L Duramax Return Line Kit

IN STOCK
by msdieselproducts
PRICE
$35.00
Secure Payment
Quality Guarantee
Fast Shipping

PRODUCT DETAILS

Keep the fuel system properly sealed with this 2008-2010 LMM 6.6L Duramax Return Line Kit. Designed for Chevrolet vehicles equipped with the LMM 6.6L Duramax, this replacement kit services the injector return-fuel system and helps maintain proper fuel circulation. It is a practical choice when worn or damaged return-line components need replacing during fuel-system service.

SKU MDPCRLK
Make Chevrolet
Categories Return Line Kit
Year Range 2008 - 2010
Model 6.6L Duramax
OEM Part Numbers

No OEM part number is listed on the current product page.

Verify the existing return-line information and vehicle application before purchase.
Warranty

Covered by the Mississippi Diesel Products warranty against applicable manufacturing defects. See the Warranty Policy for complete terms and conditions.
Shipping
  • Fast processing
  • Secure packaging
  • Tracking provided
  • U.S. and select international shipping
  • Free shipping available on qualifying orders

Shipping options and charges are determined according to the order and destination.
  • Replacement injector return line kit
  • Designed for LMM 6.6L Duramax applications
  • Fits 2008-2010 Chevrolet vehicles
  • Helps maintain proper fuel return flow
  • Suitable for servicing worn or damaged return-line components
  • Application-specific fitment
  • Useful during injector or fuel-system service

Fits:

  • 2008-2010 Chevrolet vehicles equipped with the LMM 6.6L Duramax

Engine: 6.6L LMM Duramax

Verify your vehicle, engine, and existing return-line setup before ordering.

Specification Details
Product Type Return Line Kit
Condition Replacement
Make Chevrolet
Engine 6.6L Duramax
Engine Code LMM
Model Years 2008-2010

FREQUENTLY ASKED QUESTIONS

This kit is listed for 2008-2010 Chevrolet vehicles equipped with the LMM 6.6L Duramax engine.

The return line system routes excess fuel from the injectors back through the fuel system. Properly functioning return components help maintain the intended fuel flow.

Replacement may be appropriate when return-line components become worn, damaged, or develop fuel leaks during injector or fuel-system service.

Yes. Damaged or deteriorated return-line components can allow fuel to leak from the system and should be addressed promptly.

No. This product is specifically listed for 2008-2010 LMM 6.6L Duramax applications. Verify your engine and model year before ordering.

Yes, professional installation is recommended to ensure the return-line components are installed correctly, and the fuel system remains properly sealed.