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Your cart is empty.An ACDelco Professional, premium aftermarket Fuel Injection Pressure Regulator is a high quality replacement for many vehicles on the road today. It is a mechanical valve that controls the fuel pressure in the fuel injector rail. The spring-loaded valve returns excess fuel back to the fuel tank. This premium aftermarket replacement fuel injection pressure regulator is manufactured to meet your expectations for fit, form, and function.
Luke Witt
Reviewed in the United States on January 26, 2025
dispite the bad reviews, this one worked for me. I bought 2 of the other ac delco units, they both let me down.
2500 sub
Reviewed in the United States on April 10, 2025
Good quality, good fit, but wrong part. This item is listed to replace oem regulator in 7.4 vortec 454. Fits, but Does not allow for correct fuel pressure. These 454’s need 60 psi this regulator is set to allow 45-50psi. Engine will run ok, but on hills or towing you’ll notice the difference. This will be the second one I’m installing with exactly the same results to find out from forums the correct part. Don’t know part number off top of my head but the pressure regulator for 4.8, 5.3, or 6.0 LS motor is the correct part.
Antonio
Reviewed in the United States on September 30, 2024
Fits right into my 6.0l LQ4 on my 2500 sierra. Includes all hardware needed. I had trouble starting it after warm, it would take 2 key cycles for it to start and after replacing this it fires right up on the first start. No weird noises coming from the engine bay. And took about 15 minutes to install.
BryanA
Reviewed in the United States on October 2, 2024
This fuel regulator fit my 2001 5.3L Suburban perfectly. It installed easily and is solid as a rock.
Vince
Reviewed in the United States on April 26, 2024
Fit my applications but didnt fix my problem
Carl Baker
Reviewed in the United States on September 26, 2023
Works as promised
Thomas jones
Reviewed in the United States on October 6, 2023
Good quality no noise value was fine
Juan Miguel
Reviewed in Mexico on April 6, 2022
Funciono a la perfección en mi camioneta Escalade 2003 6.0, el problema que tenia era que el motor no arrancaba al primer encendido.
TheMechanic
Reviewed in the United States on March 3, 2020
Fit was fairly snug, but worked like a champ with no buzz. Solved the rough start issue on my 2002 Silverado Just make sure you remove the old small O ring before installation.
Gilberto
Reviewed in Mexico on September 15, 2019
Excelente. Funciono muy bien
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