ACDelco 12559036 | Fuel Injector

Part Number
Fuel Injector

Fits: 00-05 Cadillac DeVille, 00-02 Cadillac Eldorado, 00-04 Cadillac Seville, 01-03 Oldsmobile Aurora, 04-05 Pontiac Bonneville

Special Price $60.34 Regular Price $70.99
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Multi-Port Fuel Injector Assembly



Body MaterialThermoplastic
Connector GenderFemale
Connector ShapeSquare
Features & Benefits - B1Atomizes fuel into the engine's intake manifold or cylinders, as part of the fuel and engine management system
Features & Benefits - B2Allows for a quick throttle response
Features & Benefits - B3Assists in cold engine starts
Features & Benefits - B4GM-recommended replacement part for your GM vehicle's original factory component
Features & Benefits - B5Offering the quality, reliability, and durability of GM OE
Features & Benefits - B6Manufactured to GM OE specification for fit, form, and function
Fuel Injection TypeMulti-Port Fuel Injection
Gasket Or Seal IncludedYes
Marketing Statement - Product LineStay with the parts brand your General Motors vehicle came with and get the quality you know and trust with ACDelco GM Original Equipment Emission parts. ACDelco GM OE replacement parts give you the peace of mind that the fit, form, and function is up to the high standards and specifications of General Motors. ACDelco GM Original Equipment Emission parts are manufactured for many makes and models of GM car, light duty truck, and sport utility vehicle.
Maximum Outside Diameter0.78
Maximum Pressure Reading43
Mkt_State_Warranty_CA36 Months/60,000 KM (Parts Only). Please see for more details.
Mkt_State_Warranty_US24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see for more details.
Mounting Hardware IncludedNo
Product DescriptionACDelco GM Original Equipment Fuel Injectors are electro-magnetic valves that meter fuel into the engine's intake manifold or cylinders for combustion, and are GM-recommended replacements for your vehicle's original components. The engine control module (ECM) operates the injector by applying an electric current to the injector solenoid winding, causing the needle valve to open, and allowing pressurized fuel to be atomized into the intake airstream. These original equipment fuel injectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Programming RequiredNO
Retainer Clips IncludedNO
Terminal GenderMale
Terminal Quantity2
Terminal TypeBlade



  • 2000-2002 Cadillac Eldorado
  • 2004-2005 Pontiac Bonneville
  • 2000-2005 Cadillac DeVille
  • 2001-2003 Oldsmobile Aurora
  • 2000-2004 Cadillac Seville
Customer Questions
Does AC Delco make Ford parts?
No, AC Delco produces parts primarily for General Motors vehicles and does not make parts specifically for Ford vehicles.
Can I use AC Delco parts to replace OEM parts?
Yes, in most cases AC Delco parts can be used as a replacement for OEM parts. However, it's important to ensure that the parts are compatible with your specific make and model of vehicle.
What AC Delco oil filter do I need?
AC Delco offers a variety of oil filters that are compatible with different makes and models of vehicles. To determine which AC Delco oil filter you need, consult your vehicle's owner's manual or use our online filter lookup tool that matches the make, model, and year of your vehicle.
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