1991 Buick Regal Fuel Injectors

Essential 1991 Buick Regal Fuel Injectors

Dorman – Nylon Nut – 1/4 In. (No.14) (Part No.961-351D)

Nylon Nut - 1/4 In. (No.14)

from

$4.49
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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GM Genuine Parts – Fuel Pressure Relief Valve Cap (Part No.214-1044)

Fuel Pressure Relief Valve Cap

from

$6.29
GM Genuine Parts Fuel Pressure Relief Valve Caps are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS017)

Fuel Injector Seal Kit

from

$2.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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ACDelco – GM Original Equipment Fuel Injector O-Ring Kit (Part No.C1013431798ACD)

GM Original Equipment Fuel Injector O-Ring Kit

from

$168.18
The ACDelco GM Original Equipment Fuel Injector O-Ring Kit is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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ACDelco – GM Original Equipment Fuel Injector O-Ring Kit (Part No.C1013205117ACD)

GM Original Equipment Fuel Injector O-Ring Kit

from

$27.84
The ACDelco GM Original Equipment Fuel Injector O-Ring Kit is a GM-recommended replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Dorman – Help – Fuel Injector O-Ring Assortment (Part No.90101)

Fuel Injector O-Ring Assortment

from

$16.99
The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:
  • Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles.
  • Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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ACDelco – 6-Way Female Black Multi-Purpose Pigtail (Part No.PT787)

6-Way Female Black Multi-Purpose Pigtail

from

$56.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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ACDelco – Black Multi-Purpose Pigtail (Part No.PT2183)

Black Multi-Purpose Pigtail

from

$94.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Delphi – Fuel Pressure Regulator (Part No.C3000207680DEL)

Fuel Pressure Regulator

from

$127.63
For more than a century, Delphi has been making the parts cars are born with. Delphi is proud of its OE heritage, and over the years they have used that experience to expand into a global aftermarket supplier.

Product Features:
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation
  • No audible regulator noise
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability.
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Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1040)

Fuel Injection Pressure Regulator

from

$70.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to
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ACDelco – Professional Fuel Injection Pressure Regulator (Part No.C3000575667ACD)

Professional Fuel Injection Pressure Regulator

from

$130.55
The ACDelco Professional, premium aftermarket Fuel Injection Pressure Regulator is the ideal high quality replacement for your GM vehicle. 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 or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Autopart International Inc – Fuel Pressure Regula (Part No.C30001999250API)

Fuel Pressure Regula

from

$108.24
Fuel Pressure Regula

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1050)

Fuel Injection Pressure Regulator

from

$99.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to
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Accel – 6-Pack Performance Fuel Injectors 6-Pack: Improved Efficiency and Cleaner Engine (Part No.150615)

6-Pack Performance Fuel Injectors 6-Pack: Improved Efficiency and Cleaner Engine

from

$435.99
ACCEL Performance fuel injectors provides precise control of fuel delivery & atomization for improved throttle response. They are all new units: not modified stock units or remanufactured from used cores. They feature a low-mass disc design that ensures accurate metering control even at ultra-low & high duty cycles and higher fuel pressures. ACCEL performance Injectors can be used with gasoline or E85 and are great for blown applications where increased fuel pressure and precise metering are required. State-of-the-art manufacturing processes reduce flow deviations between injectors, which improve performance. Low- and High-impedance designs are available to match most commercial applications.

Product Features:
  • Provides precise control of fuel delivery & atomization for improved throttle response
  • All new units: not modified stock units or remanufactured from used cores
  • New low-mass disc design ensures accurate metering control even at ultra-low & high duty cycles
  • Operates at higher fuel pressures without loss of metering control
  • Great for blown applications where increased fuel pressure and precise metering are required
  • State-of-the-art manufacturing processes reduce flow deviations between injectors to improve performance
  • Accurate Metering Control Even At Ultra-Low And High Duty Cycles
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ACDelco – Direct Fuel Injector Kit with Spacer and Seals (Part No.12662571)

Direct Fuel Injector Kit with Spacer and Seals

from

$129.99
ACDelco 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.

Product Features:
  • Atomizes fuel into the engine’s intake manifold or cylinders, as part of the fuel and engine management system
  • Allows for a quick throttle response
  • Assists in cold engine starts
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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ACDelco – GM Original Equipment Fuel Injector Assembly (Part No.C1000148023ACD)

GM Original Equipment Fuel Injector Assembly

from

$151.81
The ACDelco GM Original Equipment Fuel Injector is a GM-recommended replacement for your vehicle’s original component. The Fuel Injector is an electro-magnetic valve that meters fuel into the engine’s intake manifold or cylinders for combustion. The engine management computer operates the injector by applying an electric current to the injector solenoid winding – this causes the needle valve to open, and allows the pressurized fuel to be atomized into the intake airstream. This original equipment fuel injector has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Atomize fuel into the engine’s intake manifold or cylinders, as part of the fuel and engine management system
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Hitachi – Fuel Injector (Part No.C1000510111HIT)

Fuel Injector

from

$132.08
Fuel Injector

Carquest – Fuel Injector (Part No.57094)

Fuel Injector

from

$100.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • Precision-wound and precision-trimmed solenoid windings allow the computer to command efficient delivery of fuel
  • High-temp Viton® O-rings enable prolonged sealing of injector under extreme heat conditions
  • Fiber-optic yttrium aluminum garnet “YAG” laser welding and 100 million cycle testing ensure quality in every box
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GM Genuine Parts – Mass Airflow Sensor Kit with Wiring Connector (Part No.213-4527)

Mass Airflow Sensor Kit with Wiring Connector

from

$244.99
GM Genuine Parts Mass Air Flow Sensor Kits are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These kits have the necessary parts you need to replace your vehicle’s mass air flow (MAF) sensor. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Measures the amount of air entering the engine so the ECM can determine the amount of fuel to inject
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
See More

ACDelco – Mass Air Flow Sensor (Part No.213-3419)

Mass Air Flow Sensor

from

$200.99
ACDelco Professional Mass Air Flow Sensor is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket sensor is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
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Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0005)

Air Flow Sensor - New Actual OE Part

from

$102.99
Hitachis Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachis air flow sensors the premium choice.

Product Features:
  • Hitachi is a Tier 1 OE supplier for air flow sensors
  • 100% NEW, never remanufactured
  • Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
  • Precision manufactured and assembled sensing elements for accurate air flow measurements
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ACDelco – Air Mass Sensor (Part No.B3150575648ACD)

Air Mass Sensor

from

$329.12
An ACDelco Professional Remanufactured Air Mass Sensor is the ideal high quality replacement for your GM vehicle. It is a key part of the engine management system. The Air Mass Sensor measures the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject. This ensures the most efficient air/fuel mixture for the best fuel economy and power, while reducing harmful exhaust emissions. Remanufacturing the mass air flow sensor is an industry standard practice that involves disassembly of existing units, and replacing components that are most prone to wear and failure with new components. Damaged and obsolete parts are replaced and are 100% end of line tested to ensure they perform to ACDelco specifications. In addition, remanufacturing also benefits the environment by returning components back into service rather than processing as scrap or simply disposing of them. This Air Mass Sensor is manufactured to fit your specific GM vehicle and will provide the same performance, durability, and service life you expect from ACDelco.

Product Features:
  • Measure the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject
  • Undergo the same stringent testing process as the original part
  • Offering the quality, reliability, and durability of OE
  • Manufactured to OE specification for fit, form, and function
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Cardone – Remanufactured Mass Air Flow Sensor (Part No.74-7653)

Remanufactured Mass Air Flow Sensor

from

$81.99
CARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E. output curves and maintain specific tolerances to ensure accurate scan tool readings for proper operation. 100% re-soldering of critical components ensures superior electrical connections, eliminates intermittent failures and lengthens product life. With CARDONE Mass Air Flow Sensors (MAFS), you can expect smooth vehicle performance.

Product Features:
  • 100% re-solder of critical components ensures superior electrical connections, no intermittent failures and longer product life.
  • On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements.
  • All modules are 100% tested with automated computer test equipment to ensure full functionality and reliability.
  • Our sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate feedback to the vehicle┐s engine control management system.
  • Components are rated to handle demanding temperature variations for optimum reliability in every environment.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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Wells Vehicle Electronics – Fuel Injector Repair Kit (Part No.2G1935)

Fuel Injector Repair Kit

from

$46.99
Fuel Injector Repair Kit

Wells Vehicle Electronics – Fuel Injector Repair Kit (Part No.2G1944)

Fuel Injector Repair Kit

from

$60.99
WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to OE designs. Every component either matches or improves on the OE design to ensure fast, easy installation, superior performance and reliability.
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Carquest – Fuel Injector Seal Kit (Part No.274838)

Fuel Injector Seal Kit

from

$8.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • High-quality materials withstand extreme conditions
  • Undergoes extensive testing to ensure reliability
  • As a global manufacturer of automotive aftermarket products, we maintain complete quality control throughout the manufacturing process
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ACDelco – Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings (Part No.217-3365)

Fuel Injector Fuel Feed and Return Pipe O-Ring Kit with 8 O-Rings

from

$9.99
The ACDelco Professional Fuel Injector Seal Kit contains high quality aftermarket replacement components for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket kit contains components that are manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AS068)

Fuel Injector Seal Kit

from

$20.99
CARQUEST fuel injector seal kits include the necessary o-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials.
  • Services one injector.
See More

1991 Buick Regal Fuel Injectors

Maybe you’re in the middle of a full rebuild of that 1991 Buick Regal. Maybe you just need a couple of Fuel Injectors. Either way, Advance Auto Parts has 27 different Fuel Injectors in our inventory ranging from $4.49 to $435.99. That means you can find the exact parts or products you need to keep that 1991 Buick Regal running smoothly.

Fuel Injectors are only as good as their brand. We stock 13 different brands to make sure you have plenty of trusted parts to choose from for your 1991 Buick Regal. FELPRO, Dorman, and Carquest Premium are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Fuel Injectors for your 1991 Buick Regal, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 466 reviews in this category, some of the top rated parts include Fuel Injection Pressure Regulator with 5.0 stars and 6-Pack Performance Fuel Injectors 6-Pack: Improved Efficiency and Cleaner Engine with 1.0 stars.

So if you’re in the market for aftermarket Fuel Injectors to keep your 1991 Buick Regal rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Fuel Injectors Brands To Make Your 1991 Buick Regal Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Buick Regal demands trusted brand parts and products to keep it running. Many trusted brands of Fuel Injectors make up Advance Auto Parts’ inventory, and all are ready to help make your Regal the best it can be. Be sure to browse some of our top Fuel Injectors brands and parts.

Popular ACDelco Fuel Injectors

We carry ACDelco parts in our stock across Air Flow Meters and Mass Air categories, plus more. For a 1991 Buick Regal, our most popular ACDelco Fuel Injectors include:
Mass Air Flow Sensor
from $200.99
(1)
Mass Air Flow Sensor
Air Flow Meters and Mass Air

Top 1991 Buick Regal Fuel Injectors from Felpro

Felpro products are another trusted brand when it comes to Fuel Injectors for your 1991 Buick Regal. Popular Felpro parts include:
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
Fuel Injector O-Ring Kits

FAQs for 1991 Buick Regal Fuel Injectors

What are the most purchased Fuel Injectors for the 1991 Buick Regal?

Out of 27 Fuel Injectors for the 1991 Buick Regal, the most popular in our inventory are:
Nylon Nut - 1/4 In. (No.14)
from $4.49
This product is not rated
Nylon Nut – 1/4 In. (No.14)
Vacuum Reservoir Nut
Reman Multi Port Fuel Injector
from $49.99
This product is not rated
Reman Multi Port Fuel Injector
Fuel Injectors
Fuel Injector O-Ring Assortment
from $16.99
(5)
Fuel Injector O-Ring Assortment
Fuel Injector O-Ring Kits

What are the top-rated 1991 Buick Regal Fuel Injectors?

Top-rated Fuel Injectors for your 1991 Buick Regal based on customer reviews/ratings are:
Fuel Injection Pressure Regulator
from $71.99
(2)
Fuel Injection Pressure Regulator
“I like made in USA. Period.”
6-Pack Performance Fuel Injectors 6-Pack: Improved Efficiency and Cleaner Engine
from $435.99
(1)
6-Pack Performance Fuel Injectors 6-Pack: Improved Efficiency and Cleaner Engine
“OEM injectors are 74.90mm, these are 72mm. You can’t seat them between the rail and intake even if you take the clips off. Not sure what these are su”