Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededACDELCOPART NUMBER: 065-55510920
RAIL ASM-HIGH P (SLP-1)
$42299
Ships on 09/11/2026
Lowest Price GuaranteePart TypeFuel Rail
BrandACDELCO
Package Length15.7
Fitting Thread Diameter (In)0.55
Fuel System TypeDiesel
Signs Of Wear & Troubleshooting - Section 1 - Bullet 1Poor engine performance
Signs Of Wear & Troubleshooting - Section 1 - HeaderSigns of wear for fuel injector rails include but are not limited to:
Faq - Answer 4Yes, it connects with seals and o rings if not properly seated leaks may occur.
Good Maintenance Practices - Section 1 - Bullet 1Before purchasing and installing a fuel injector rail, make sure it is the correct fit for your vehicle
Faq - Answer 3Yes, use recommended cleaner for proper operation of the system.
Faq - Answer 2Yes, the pressure changes the injector spray patterns.
Faq - Answer 1Yes. Always consult the Vehicle Owner’s manual or an expert technician before making any repairs or adjustments.
Good Maintenance Practices - Section 1 - Bullet 4Make sure fuel rail is properly seated or leaks may occur
Features & Benefits - Bullet 6GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Good Maintenance Practices - Section 1 - Bullet 5Regularly inspect fuel injector rail for signs of damage or wear, and replace them if signs of damage are found
Features & Benefits - Bullet 7GM regularly updates production and service part designs to integrate new materials and technologies
Good Maintenance Practices - Section 1 - Bullet 2Run recommended octane fuel for your vehicle
Good Maintenance Practices - Section 1 - Bullet 3Have fuel pressure checked if engine performance decreases
Fittings IncludedNo
Features & Benefits - Bullet 2Easy cold starting
Features & Benefits - Bullet 3Excellent fuel economy
Features & Benefits - Bullet 4Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
Features & Benefits - Bullet 5ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
Product DescriptionACDelco GM Original Equipment Fuel Injector Rails are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Fuel rail is connected to the injectors that are mounted just above the intake manifold on an engine. This rail feeds the injectors to supply fuel into the combustion chamber to be mixed with air for excellent combustion. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional. ⚠<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Features &#38; Benefits - Bullet 1Smooth throttle response
Gasket Or Seal IncludedNo
Fuel Injection TypeDirect
Fitting Thread Diameter (Mm)14
Width (In)3.2
MaterialSteel
Fuel Injector Quantity5
Height (In)3.2
Fitting Quantity5
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 2Fuel odor in engine compartment
Signs Of Wear &#38; Troubleshooting - Section 1 - Bullet 3Signs of leaks at fuel rail
Fuel Injectors IncludedNo
Faq - Question 4Can a fuel rail leak?
Faq - Question 3Can fuel injector cleaner be used with this system?
Weight (Lb)4.3
Grade TypeOE
Faq - Question 2Does fuel pressure affect fuel injector flow?
Faq - Question 1Should the Vehicle Owner’s manual or an expert technician be consulted before making any repairs or adjustments?
Vendor Part Number55510920
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
