Store wide fall 🍁 savings!

  • Expert Support 7 Days a Week

  • Unmatched Quality & Experience

🔥 Fall Sale — deals across diesel, truck, UTV and audio

SKU: AP608990

Alliant Power HP4 to DCR Pump Conversion Kit, 2017-2022 GM 6.6L Duramax L5P

Regular price $2,400.00
Shipping calculated at checkout.


Confirm vehicle fitment

Confirm fitment before ordering. Match the year, make, model, trim, engine, drivetrain and selected options shown on this page. If any detail is unclear, search your exact vehicle or contact us before checkout.

Shipping expectations

Availability and processing time can vary by manufacturer. Available shipping choices and charges appear at checkout. Tracking is emailed after shipment. Oversized, special-order and supplier-shipped items can require additional processing time.

Returns and cancellations

Please review eligibility before purchase. Installed, used, electronic, custom, special-order and clearance items may have return restrictions. Contact us promptly if you need to change or cancel an order.

What’s included

The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.

Before you add to cart ✓ Confirm year, make, model, trim and engine ✓ Check the selected variant and what’s included ✓ Review availability, shipping and return eligibility

Buy with confidence

Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.

Description

Alliant Power HP4 to DCR Pump Conversion Kit

For 2017, 2018, 2019, 2020, 2021, 2022 GM 6.6L Duramax L5P

Direct replacement for the HP4 is 100% end of line tested to ensure no leaks and peak performance. The Double Cam Roller (DCR) pump represents an advanced leap in high-pressure fuel generation, specifically engineered to meet the stringent demands of modern common rail diesel technology. Replacing the original factory-installed HP4 pump, the DCR is designed to integrate seamlessly while delivering unmatched reliability and precision, crucial for maximizing engine power and fuel efficiency.

This DCR Fuel Pump undergoes a rigorous 100% end-of-line testing process to guarantee peak performance and absolutely no leaks before leaving the facility. Proudly USA assembled and built in a facility certified under the ISO 9001:2015 quality management standard, assuring a commitment to superior quality and consistency.

Kit Includes-
Fuel pump
Fuel supply and return lines
High pressure pump to rail line
High pressure rail to rail line
Supply hold down bolt

Payment & Security

Payment methods

  • Amazon
  • American Express
  • Apple Pay
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Product features

Use this section to highlight specific product features to your customers.

Product comparison grid

Add content here to explain a bit about the range of products on offer and which ones may be most suitable for your customers.

A table comparing the facets of 4 products
Facet
Product title
View details
Product title
View details
Product title
View details
Product title
View details
By
ByProduct vendorProduct vendorProduct vendorProduct vendor
Price
Price
$99.99
$99.99
$99.99
$99.99
Description
DescriptionA description of the product, including details such as build quality, materials used and reasons to purchase.A description of the product, including details such as build quality, materials used and reasons to purchase.A description of the product, including details such as build quality, materials used and reasons to purchase.A description of the product, including details such as build quality, materials used and reasons to purchase.

Our Collections

Image banner

Share information about your brand with your customers. Describe a product, make announcements, or welcome customers to your store.