Fuel Injectors, Fuel Rails & Components
- ACDelco®GM Genuine Parts™ Fuel Injector Rail BoltGM Genuine Parts™ Fuel Injector Rail Bolt by ACDelco®. GM Genuine Parts Bolts are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These bolts fasten vehicle components together. GM Genuine...Fastens vehicle's components togetherSome GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)$5.64 - $10.50Save: 15%$4.79 - $8.93
- ACDelco®GM Original Equipment Fuel Injection Fuel Distributor O-RingGM Original Equipment Fuel Injection Fuel Distributor O-Ring by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$22.55Save: 15%$19.17
- ACDelco®GM Original Equipment Fuel Injector InsulatorGM Original Equipment Fuel Injector Insulator by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$8.40Save: 15%$7.14
- ACDelco®GM Original Equipment Fuel Injector O-Ring KitGM Original Equipment Fuel Injector O-Ring Kit by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Designed to meet all requirements of your vehiclesRight for your vehicle and lifestyle$30.05 - $35.94Save: up to 15%$25.73 - $30.55
- ACDelco®GM Original Equipment Fuel Injector and Insulator Retainer KitGM Original Equipment Fuel Injector and Insulator Retainer Kit by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.08 - $12.60Save: up to 16%$3.47 - $10.63
- ACDelco®GM Original Equipment™ Fuel Injector RailGM Original Equipment™ Fuel Injector Rail by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$63.52 - $420.66Save: 15%$53.99 - $357.56
- ACDelco®GM Original Equipment™ Fuel Injector Rail KitGM Original Equipment™ Fuel Injector Rail Kit by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$44.15Save: 15%$37.53
- ACDelco®GM Original Equipment™ Fuel Injector SealGM Original Equipment™ Fuel Injector Seal by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.93 - $92.80Save: up to 15%$6.22 - $78.88
- ACDelco®Genuine GM Parts Fuel Injection Fuel Feed and Return Pipe InsulatorGenuine GM Parts Fuel Injection Fuel Feed and Return Pipe Insulator by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$9.15 - $11.83Save: 15%$7.77 - $10.06
- ACDelco®Genuine GM Parts Fuel Injector ClipGenuine GM Parts Fuel Injector Clip by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$4.85 - $25.32Save: 15%$4.12 - $21.52
- ACDelco®Genuine GM Parts Fuel Injector Insulator KitGenuine GM Parts Fuel Injector Insulator Kit by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$34.00 - $58.33Save: 15%$28.90 - $49.58
- ACDelco®Genuine GM Parts Fuel Injector O-RingGenuine GM Parts Fuel Injector O-Ring by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2.13 - $18.25Save: up to 16%$1.82 - $15.49
- ACDelco®Genuine GM Parts Fuel Injector Rail BoltGenuine GM Parts Fuel Injector Rail Bolt by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2.61 - $10.36Save: up to 21%$2.07 - $8.81
- ACDelco®Genuine GM Parts Fuel Injector Rail Fastener KitGenuine GM Parts Fuel Injector Rail Fastener Kit by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$11.54Save: 15%$9.80
- ACDelco®Genuine GM Parts™ Fuel Injection Cold Start Valve GasketGenuine GM Parts™ Fuel Injection Cold Start Valve Gasket by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$1.72Save: 15%$1.47
- ACDelco®Genuine GM Parts™ Fuel Injection Fuel DistributorGenuine GM Parts™ Fuel Injection Fuel Distributor by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$126.60 - $184.61Save: 15%$107.61 - $157.11
- ACDelco®Genuine GM Parts™ Fuel Injection Nozzle HolderGenuine GM Parts™ Fuel Injection Nozzle Holder by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.24 - $26.90Save: up to 15%$4.57 - $22.86
- ACDelco®Genuine GM Parts™ Fuel Injector Rail BracketGenuine GM Parts™ Fuel Injector Rail Bracket by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$31.08 - $39.09Save: 15%$26.42 - $33.22
- ACDelco®Genuine GM Parts™ Fuel Injector Retaining BracketGenuine GM Parts™ Fuel Injector Retaining Bracket by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.41 - $42.60Save: up to 15%$4.60 - $36.21
- ACDelco®Professional Fuel Injection Fuel Distributor O-RingProfessional Fuel Injection Fuel Distributor O-Ring by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$102.54Save: 15%$87.16
- ACDelco®Professional Fuel Injector O-Ring KitProfessional Fuel Injector O-Ring Kit by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.05 - $14.91Save: 15%$5.14 - $12.68
- Dorman®Fuel Injector O-Ring KitFuel Injector O-Ring Kit by Dorman®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$6.33
- Dorman®Help Fuel Injector O-Ring KitHelp Fuel Injector O-Ring Kit by Dorman®. This fuel injector O-ring kit features all the O-rings required for a full replacement for the specified engine. These O-rings are made from durable materials to withstand exposure to extreme...Ideal replacement - this fuel injector O-ring kit contains all the seals required to perform O-ring replacement for the specified engineDurable construction - made from quality materials to resist damage from fuel, oil and extreme temperatures$12.81 - $15.81
- Dorman®OE Solutions Fuel Injector O-Ring KitOE Solutions Fuel Injector O-Ring Kit by Dorman®. This fuel injector O-ring kit features all the O-rings required for a full replacement for the specified engine. These O-rings are made from durable materials to withstand exposure to...Ideal replacement - this fuel injector O-ring kit contains all the seals required to perform O-ring replacement for the specified engineDurable construction - made from quality materials to resist damage from fuel, oil and extreme temperatures$5.45 - $40.38
- Dorman®OE Solutions Fuel Injector SleeveOE Solutions Fuel Injector Sleeve by Dorman®. This fuel injector sleeve is a direct replacement for an original equipment part. Made of quality materials, this part has undergone try-on testing to ensure a quality fit and a long service...Ideal replacement - this fuel injector sleeve is a direct replacement for the original equipment part on specified enginesDurable construction - this part is made from quality materials to resist damage from fuel and extreme temperatures$8.09 - $31.04
- Bosch®Fuel Dist Valve KitFuel Dist Valve Kit by Bosch®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$331.33
- Bosch®Fuel Injection Fuel Distributor O-RingFuel Injection Fuel Distributor O-Ring by Bosch®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy,...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$1.91
- Bosch®Fuel Injector O-RingFuel Injector O-Ring by Bosch®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$1.30 - $32.23
- Bosch®Fuel Injector SealFuel Injector Seal by Bosch®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle installation...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$1.46 - $1.61
- Bosch®Fuel Injector Seal KitFuel Injector Seal Kit by Bosch®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part, it will provide easy, no-hassle...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$6.93 - $40.70
Fuel injectors are the components that spray fuel into the intake air stream in a fuel injection system. Unlike a carburetor that relies on pressure differential to atomize and draw fuel into the engine, fuel injectors spray and atomize fuel supplied by a high pressure pump. Today electronic multiport fuel injection is the most common injection type, but there have been several varieties, and the design and location of the injectors have varied accordingly.
Throttle Body Injection (TBI) was the first type of fuel injection used on many domestic cars and trucks in the 1980s, and was sort of a transition from carburetors to port injection. A TBI assembly is similar in size to a carburetor, mounts on an intake manifold and takes a similar air cleaner assembly. TBI is a self-contained fuel injection system with an integral fuel pressure regulator and one or two injectors mounted over the throttle plates. The injector contains a solenoid that, when energized by the PCM (Powertrain Control Module) moves a plunger that opens a valve, allowing fuel to spray from the injector nozzle.
Port fuel injectors are mounted in the intake manifold runners or cylinder head ahead of the intake valves. They are connected to the fuel rail, which is supplied with fuel from an electric fuel pump. A pressure regulator maintains a constant fuel pressure. In response to inputs from the oxygen sensor, mass airflow sensor, throttle position sensor, and other sensors, the PCM adjusts the pulse width, the length of time the injectors are open, so the amount of fuel injected can be tailored to engine load. In general, the pulse width is shorter at idle when less fuel is needed, and lengthened when the engine is under load and more fuel is needed.
Gasoline Direct Injection (GDI) is the latest form of fuel injection. Similar to a diesel engine, GDI injects fuel under extremely high pressure directly into the combustion chamber. GDI uses special quick response, high pressure fuel injectors, which allows the PCM to vary the timing of the injection event according to operating needs, and enables multiple injections. We offer new and remanufactured fuel injectors for all popular vehicles and fuel injection systems, as well as the necessary related components like fuel rails and the O-ring seals, which should be replaced whenever an injector is removed and installed.
Modern electronic fuel injection systems have a degree of designed-in adaptability. This means if you want to increase airflow and horsepower by adding a cold air intake and performance exhaust system, the fuel system can compensate for the additional airflow and provide more fuel to ensure your engine has the right air/fuel mixture for all operating conditions. However, when airflow is significantly increased, then fuel flow must also be enhanced to increase horsepower and avoid a dangerous lean condition. Adding a supercharger or turbocharger, increasing engine displacement, reducing exhaust restriction with headers, and installing a larger throttle body, high flow intake and cylinder heads, and performance camshaft, will all increase airflow through an EFI engine. Installing performance fuel injectors will ensure that fuel flow is proportionately increased, so you can realize the desired gain in horsepower. From mild hop-ups to full race applications, we have the performance fuel injectors for the job.