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Gen V LT4 High Pressure Fuel Pump Harness Adapter
Gen V LT4 High Pressure Fuel Pump Harness Adapter
Gen V LT4 High Pressure Fuel Pump Harness Adapter
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Gen V LT4 High Pressure Fuel Pump Harness Adapter

Marsoni M251S
Sale price$43.99
Pay 4 payments of $11.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Gen V LT4 High Pressure Fuel Pump Harness AdapterGen V LT4 HPFP Harness Adapter Adapts 2019+ passenger rail harness to 2014 2018 high pressure fuel pump connector, necessary for LT4 pump upgrade on 2019+ LT Engines Allows use of older LT4 HPFP (12711668) on later model year vehicles Includes: 6" adapter harness Assembled in Wichita, Kansas using OEM tooling, connectors, terminals, and seals to get that audible "click" when the connector is installed onto the harness, just like factory. We use USA
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  • Fast: 2-3 business days
  • Express: 1-2 business days

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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
4.3 ★★★★★
Based on 2256 reviews
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K
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KG
Battle Creek, US
★★★★★ 5
Great shirt!
Color: White Blue Plaid, Size: X-Large
This is a great shirt for hot summer days. I really like all the Coofandy shirts I’ve bought!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
R
Verified Purchase
Rich
New York, US
★★★★★ 3
Runs small
Color: Purple Plaid, Size: X-Large
Well made. Runs small.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
C
Verified Purchase
Cyprian Lee-Chong
Natrona Heights, US
★★★★★ 5
Great material
Color: Black Plaid, Size: Medium
Great fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
A
Verified Purchase
AJG
San Leandro, US
★★★★★ 5
Average quality.
Color: Blue Green Plaid, Size: Large
Good quality for the price. Fit quiet well. 5'9" 190lbs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
G
Verified Purchase
Guillermo Meza
Houston, US
★★★★★ 5
Nice…
Color: Light Green Plaid, Size: Large
Fits right, good quality, I would buy it again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026

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