SKU: 64540868802

Pure Power HP4 to DCR Pump Conversion Kit 17-22 GM 6.6L Duramax L5P

$1080.00 $1200.00
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

Pure Power HP4 to DCR Pump Conversion Kit 17-22 GM 6.6L Duramax L5PAre you ready to stop worrying about high pressure pump failures? This HP4 to DCR conversion kit is one of the most effective upgrades you can make. The factory Denso HP4 high pressure fuel pump is a solid design, but it can struggle under heavy use, contamination, or tuning. This conversion kit swaps the factory pump for a proven DCR (Diesel Common Rail) pump engineered for stronger pressure consistency, better flow, and longer life, all without ECU

Are you ready to stop worrying about high-pressure pump failures? This HP4 to DCR conversion kit is one of the most effective upgrades you can make. The factory Denso HP4 high-pressure fuel pump is a solid design, but it can struggle under heavy use, contamination, or tuning. This conversion kit swaps the factory pump for a proven DCR (Diesel Common Rail) pump engineered for stronger pressure consistency, better flow, and longer life, all without ECU tuning or modifications.

Built as a drop-in solution for your L5P Duramax, the kit includes a replacement DCR pump and all the supply, return, and high-pressure fuel lines you need for a straightforward installation. Each component is designed to meet or exceed OEM quality, giving you improved durability whether you’re daily driving, hauling heavy loads, or adding performance upgrades down the road. With a DCR system in place, you’ll have confidence that your high-pressure fuel delivery won’t be the weak link in your Duramax’s performance.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 64540868802

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4.1 ★★★★★
Based on 553 reviews
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B
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Bruce
Pawtucket, US
★★★★★ 5
98% cotton comfort
Color: Black, Size: Large
It's true to size. I have a 42" chest and typically wear a large. I ordered large and it fits. Grab these while you can as most of these mock neck t shirts are a cotton poly blend. These are 98% cotton. This is important because although the cotton/poly blends dry quicker, they are uncomfortably warm if it gets above 70 F. I have purchased other mock turtlenecks and had my local dry cleaners convert them from long sleeves to short, but they are slightly heavier weight than these. I do wish that they made these in a dark green or military green color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
B
Verified Purchase
Bella
Belleville, US
★★★★★ 1
100% SYNTHETIC CONSTRUCTION!!!
Color: All White, Size: XX-Large, Color: All White, Size: XX-Large
When I bought this shirt, the listing claimed it was 95% cotton and 5% spandex... the shirt that arrived was 51% polyester, 43% viscose and 6% spandex! I have been impressed by some of their other clothing, but this is the first time I was completely lied to and bamboozled. I probably wouldn't have noticed if the shirt wasn't so hot, shiny, and uncomfortable! I will absolutely be returning this shirt. Not even CLOSE to what I wanted. Quite, quite disappointed.
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Reviewed in the United States on April 29, 2026
J
Verified Purchase
jerryejohnson
Grantham, US
★★★★★ 3
Just okay for price.
Color: All White, Size: Large
Average quality and fit. The neck is bigger than I would like. Would not purchase again.
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Reviewed in the United States on February 22, 2026
K
Verified Purchase
Karen Matinyan
Lexington, US
★★★★★ 5
Great product
Color: Black, Size: Medium
Very soft, good-looking t-shirt
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Reviewed in the United States on May 28, 2026
C
Verified Purchase
Cristovalina
Bozeman, US
★★★★★ 5
Love it
Color: Royal Blue Gold, Size: X-Large, Color: Royal Blue Gold, Size: X-Large
Light and fits perfectly. I bought this size1X for my 14 year old 6 ft3 225lb son. He has a bit of a belly and is kind of built like a football player. The pants don’t have pockets but they do have an elastic wast with a drawstring which makes a comfortable fit and no need for a belt. The length is perfect for his height and stops right at the ankles to accentuate the shoes. The top is also perfect for the length of his arms and torso. The sleeves stop a little below the wrist which is great for movement. The neckline is fitted and he can button it all the way up unlike other fancy shirts and without restrictions . The fabric is soft and the design on the front looks like a very good quality and is very secure. Over all I’d rate it a 5/5 for quality and fit. I recommend this to anyone big and tall.
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Reviewed in the United States on June 23, 2022

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