OER Series Fuel Return Line Assembly 2011-2016 GM 6.6L Duramax LML/LGH XDP Xtreme Diesel Performance
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2011 | Chevrolet | Silverado 3500 HD | WT | |
| 2012 | Chevrolet | Silverado 3500 HD | WT | |
| 2013 | Chevrolet | Silverado 3500 HD | WT | |
| 2014 | Chevrolet | Silverado 3500 HD | WT | |
| 2015 | Chevrolet | Silverado 3500 HD | WT | |
| 2016 | Chevrolet | Silverado 3500 HD | WT | |
| 2011 | GMC | Sierra 2500 HD | SLE | |
| 2012 | GMC | Sierra 2500 HD | SLE | |
| 2013 | GMC | Sierra 2500 HD | SLE | |
| 2014 | GMC | Sierra 2500 HD | SLE | |
| 2015 | GMC | Sierra 2500 HD | SLE | |
| 2016 | GMC | Sierra 2500 HD | SLE | |
| 2011 | Chevrolet | Silverado 2500 HD | WT | |
| 2012 | Chevrolet | Silverado 2500 HD | WT | |
| 2013 | Chevrolet | Silverado 2500 HD | WT | |
| 2014 | Chevrolet | Silverado 2500 HD | WT | |
| 2015 | Chevrolet | Silverado 2500 HD | WT | |
| 2016 | Chevrolet | Silverado 2500 HD | WT | |
| 2011 | GMC | Sierra 3500 HD | WT | |
| 2012 | GMC | Sierra 3500 HD | WT | |
| 2013 | GMC | Sierra 3500 HD | WT | |
| 2014 | GMC | Sierra 3500 HD | WT | |
| 2011 | GMC | Sierra 2500 HD | WT | |
| 2012 | GMC | Sierra 2500 HD | WT | |
| 2013 | GMC | Sierra 2500 HD | WT | |
| 2014 | GMC | Sierra 2500 HD | WT | |
| 2011 | GMC | Sierra 2500 HD | SLT | |
| 2012 | GMC | Sierra 2500 HD | SLT | |
| 2013 | GMC | Sierra 2500 HD | SLT | |
| 2014 | GMC | Sierra 2500 HD | SLT | |
| 2015 | GMC | Sierra 2500 HD | SLT | |
| 2016 | GMC | Sierra 2500 HD | SLT | |
| 2011 | GMC | Sierra 3500 HD | SLT | |
| 2012 | GMC | Sierra 3500 HD | SLT | |
| 2013 | GMC | Sierra 3500 HD | SLT | |
| 2014 | GMC | Sierra 3500 HD | SLT | |
| 2015 | GMC | Sierra 3500 HD | SLT | |
| 2016 | GMC | Sierra 3500 HD | SLT | |
| 2011 | GMC | Sierra 3500 HD | SLE | |
| 2012 | GMC | Sierra 3500 HD | SLE | |
| 2013 | GMC | Sierra 3500 HD | SLE | |
| 2014 | GMC | Sierra 3500 HD | SLE | |
| 2015 | GMC | Sierra 3500 HD | SLE | |
| 2016 | GMC | Sierra 3500 HD | SLE | |
| 2011 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2012 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2013 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2014 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2015 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2016 | Chevrolet | Silverado 2500 HD | LTZ | |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2012 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2013 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2014 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2015 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2016 | Chevrolet | Silverado 3500 HD | LTZ | |
| 2011 | Chevrolet | Silverado 2500 HD | LT | |
| 2012 | Chevrolet | Silverado 2500 HD | LT | |
| 2013 | Chevrolet | Silverado 2500 HD | LT | |
| 2014 | Chevrolet | Silverado 2500 HD | LT | |
| 2015 | Chevrolet | Silverado 2500 HD | LT | |
| 2016 | Chevrolet | Silverado 2500 HD | LT | |
| 2011 | Chevrolet | Silverado 3500 HD | LT | |
| 2012 | Chevrolet | Silverado 3500 HD | LT | |
| 2013 | Chevrolet | Silverado 3500 HD | LT | |
| 2014 | Chevrolet | Silverado 3500 HD | LT | |
| 2015 | Chevrolet | Silverado 3500 HD | LT | |
| 2016 | Chevrolet | Silverado 3500 HD | LT | |
| 2011 | GMC | Sierra 3500 HD | Denali | |
| 2012 | GMC | Sierra 3500 HD | Denali | |
| 2013 | GMC | Sierra 3500 HD | Denali | |
| 2014 | GMC | Sierra 3500 HD | Denali | |
| 2015 | GMC | Sierra 3500 HD | Denali | |
| 2016 | GMC | Sierra 3500 HD | Denali | |
| 2011 | GMC | Sierra 2500 HD | Denali | |
| 2012 | GMC | Sierra 2500 HD | Denali | |
| 2013 | GMC | Sierra 2500 HD | Denali | |
| 2014 | GMC | Sierra 2500 HD | Denali | |
| 2015 | GMC | Sierra 2500 HD | Denali | |
| 2016 | GMC | Sierra 2500 HD | Denali | |
| 2015 | GMC | Sierra 2500 HD | ||
| 2016 | GMC | Sierra 2500 HD | ||
| 2015 | Chevrolet | Silverado 3500 HD | High Country | |
| 2016 | Chevrolet | Silverado 3500 HD | High Country | |
| 2015 | Chevrolet | Silverado 2500 HD | High Country | |
| 2016 | Chevrolet | Silverado 2500 HD | High Country | |
| 2015 | GMC | Sierra 3500 HD | ||
| 2016 | GMC | Sierra 3500 HD |
Specifications:
| Country of Origin | USA |
| Sold As | Each |
| Availability | Available |
| Universal | No |
| About |
XDP is a leading retailer, distributor, and manufacturer of top-quality OE, OER, and aftermarket diesel parts and accessories. Strategically positioned across the United States, XDP houses one of the largest and most diverse diesel-specific inventories in the industry. For the last 20 years, XDP has proudly served the diesel community and diesel industry across North America and Canada. We're ready to meet the needs of you and your vehicle, whether it be for work, play, towing or hauling. We know what moves you! |
Restore the fuel system in your 2011-2016 GM 6.6L Duramax LML/LGH with the XDP OER Series Fuel Return Line Assembly XD607. If you have dealt with a CP4 pump failure, debris and contamination have most likely worked their way throughout your fuel system.
When these metal shavings and other contaminants gets in the return line it can block the regulator and prevents adequate return fuel pressure. In the event of a failed CP4, it is recommended that you replace the entire fuel system, including the fuel return line, to help remove all debris and prevent future contamination of the new fuel system components.
In addition, rubber hoses are known to wear over time and can start to get hard or brittle, especially on higher mileage vehicles. Signs of degradation such as small cracks can begin to show up on the interior of the hose, although the exterior of the hose may look fine.
This OER Series regulated injector return line assembly services both banks and includes a regulated return valve.
Features:
- Direct-Fit
- Services Both Banks
- OE-Style Replacement
- Includes Regulated Return Valve
Applications:
- 2011-2016 Chevrolet Silverado 2500HD (6.6L Duramax LML)
- 2011-2016 Chevrolet Silverado 3500HD (6.6L Duramax LML)
- 2011-2016 GMC Sierra 2500HD (6.6L Duramax LML)
- 2011-2016 GMC Sierra 3500HD (6.6L Duramax LML)
- 2011-2016 Chevrolet Express 2500 (6.6L Duramax LGH)
- 2011-2016 Chevrolet Express 3500 (6.6L Duramax LGH)
- 2011-2016 GMC Savana 2500 (6.6L Duramax LGH)
