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XDP Xtreme Diesel Performance

XDP Duramax 6.6L LML Fuel Contamination Kit 11-16 GM 6.6L Duramax LML XD517

SKU: XD517
$4,364.95

Fits 2011–2016 Chevy/GMC Silverado/Sierra 2500HD/3500HD · 6.6L Duramax LML

Fitment
In stock. Ships in 1–2 business days.
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  • Authorized dealerGenuine XDP Xtreme Diesel Performance parts, sourced direct
  • 30-day returnsSee the return policy
  • Diesel techs on the line908-223-9744, call or text
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The XDP Fuel System Contamination Kit (Stock Replacement) XD517 is an all-inclusive kit that provides everything you need to get your 2011-2016 GM 6.6L Duramax LML back on the road.

When the CP4 fuel injection pump fails in your Chevy/GMC, it often sends contaminants through the entire fuel system.

This results in debris from the pump that can contaminate the fuel lines, fuel injector lines, and fuel rails, meaning you now have to replace all of the aforementioned parts. Simply flushing the fuel system doesn’t guarantee all the residual metal shavings or contaminants will be removed.

This CP4 failure kit is a complete repair solution for your 6.6 Duramax engine with CP4 fuel pump failure, DEF contamination, or water-in-fuel contamination.

This XDP Fuel System Contamination Kit (Stock Replacement) XD517 is built around a high-quality remanufactured CP4 pump and remanufactured stock replacement fuel injectors. This kit also includes a complete set of new fuel injector lines, feed pipe, return line, and fuel rails.

Replacing these components will help ensure that all pump fragments are out of the fuel system, so you can be sure that the replacement fuel injectors and CP4 pump don't get contaminated from the previous pump failure.

Features:

  • (8) Fuel Injector Lines
  • (1) Fuel Feed Line
  • (1) Fuel Return Line
  • (2) Genuine Bosch Fuel Rails
  • (1) CP4 Pump Installation Kit With Fuel Line
  • (8) Genuine Bosch Remanufactured Fuel Injectors
  • (1) Genuine Bosch Remanufactured CP4 Fuel Injection Pump

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)

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Why buy here

A diesel shop that sells parts, not a website that sells boxes.

Every part on this site is one our own techs can stand behind.

  • We run what we sell

    A working diesel repair and fabrication shop in Nazareth, PA. These are the parts our techs install every week.

  • Real techs on the phone

    Call or text 908-223-9744 and you get a diesel tech, not a script.

  • Authorized dealer

    Genuine parts straight from the manufacturer, with the factory warranty behind them.

  • Fast from stock

    Most in-stock parts ship in 1 to 2 business days from warehouses across the USA.

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Good to know

Questions, answered straight.

If it is not here, call or text the counter. Real people, real answers.

Fitment

  • Will this fit my truck?

    The Fits section at the top of the page lists the manufacturer's applications for this exact part. If your year, make and model is not there, or you are not sure, text us a photo of what you are replacing with your year and engine and we will confirm it before you order.

  • What if I order the wrong part?

    Call or text us before it ships and we will swap it. After delivery you have 30 days to return it in new, uninstalled condition. The return policy has the restocking details.

Shipping

  • When will it ship?

    In-stock parts usually ship within 1 to 2 business days from warehouses across the USA. The stock line under the options tells you the status of the part you are looking at. Large items ship LTL freight and we call to schedule delivery.

  • Why did I only get part of my order?

    We ship from multiple warehouses, so an order with several items can arrive in more than one box. Tracking for each shipment is emailed as it goes out. Full details in the shipping policy.

Returns and warranty

  • What is the return policy?

    30 days from delivery, in new and uninstalled condition, with a restocking fee. Everything is spelled out in the Returns & Refund Policy.

  • How do warranty claims work?

    We are an authorized dealer, so the manufacturer's warranty applies to every part we sell. Call or text us with your order number and we handle the claim with the brand for you.

Paying

  • Can I pay over time?

    Yes. Shop Pay installments are offered at checkout on qualifying orders, and the monthly estimate shows right under the price.

  • What is a core deposit?

    Some remanufactured parts, like injectors and turbos, carry a refundable core deposit. It is shown on the product page when it applies and refunded when your old part comes back to us.

FSD shop interior - trucks on lifts The shop floor, Nazareth, PA

Full Send Diesel, Nazareth, PA

A team of diesel people, not a call center.

Full Send Diesel is a shop full of techs, builders and parts people in Nazareth, Pennsylvania. When you call or text, you reach someone who works on these trucks and knows the parts.

Not sure what you need? Send a photo of what you are replacing with your year and engine. We will point you to the right part, confirm it is in stock, and get it moving.

Call 908-223-9744 Text us Email

Mon–Fri, 8am–4pm ET. After hours, text or email and we answer first thing in the morning.

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