1991 GMC K2500 Fuel and Emissions Systems

Essential 1991 GMC K2500 Fuel and Emissions Systems

Carquest Premium – 4WD Indicator Light Switch Connector (Part No.PTA1174)

4WD Indicator Light Switch Connector

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$35.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Spectra Premium – Fuel Filler Neck (Part No.FN506)

Fuel Filler Neck

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$81.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium fuel tank filler necks meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE fuel system design expertise
  • Unit is dual coated for enhanced corrosion protection
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Unit is leak tested after production to ensure product in free from fuel and / or evaporative leaks
  • Tested with OE fuel cap to prevent evaporative emission and check engine light failure
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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECE1015)

Manifold Absolute Pressure Sensor (MAP)

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$65.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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Spectra Premium – Fuel Tank Lock Ring (Part No.TR7)

Fuel Tank Lock Ring

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$17.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium lock rings meet or exceed the performance of the original equipment they replace.

Product Features:
  • Lock ring should be replaced when changing the fuel tank or fuel module
  • Application specific design ensure a perfect fit guarantee
  • OEM fit, form and function
  • OEM design ensures corrosion resistance and prevents leakage from the fuel tank
  • Manufactured with high quality material, ensuring the durability of this part to prevent costly leaks
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Carquest Premium – Remanufactured Fuel Injector (Part No.A114-1033)

Remanufactured Fuel Injector

from

$49.49
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
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NTK – Manifold Absolute Pressure Sensor (Part No.MA0089)

Manifold Absolute Pressure Sensor

from

$73.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • NTK’s Manifold Absolute Pressure Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper manifold pressure, fuel metering and ignition timing.
  • The Manifold Absolute Pressure Sensor (MAP) provides manifold pressure information to the Engine Control Unit (ECU). The data is used to determine the air mass flow rate and required fuel for optimum combustion and ignition timing.
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Carquest Premium – Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10507)

Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack

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$22.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
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Felpro – Fuel Pump Mounting Gasket (Part No.70150)

Fuel Pump Mounting Gasket

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$2.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Dorman – Help – Fuel Tank Strap Hardware Kit (Part No.55157)

Fuel Tank Strap Hardware Kit

from

$12.49
This fuel tank attaching hardware is designed to match the fit and function of the original hardware on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel tank attaching hardware is designed to match the fit and function of the original hardware on specified vehicles
  • Recommended replacement for the original hardware when servicing or replacing the fuel tank
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – ABS Wheel Speed Sensor Connector (Part No.PTA1749)

ABS Wheel Speed Sensor Connector

from

$25.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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GM Genuine Parts – Multi-Purpose Fuel Line O-Ring (Part No.19258137)

Multi-Purpose Fuel Line O-Ring

from

$3.99
GM Genuine Parts Multi Purpose Seals 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 – Exhaust Gas Recirculation (EGR) Valve Control Solenoid (Part No.EGC1133)

Exhaust Gas Recirculation (EGR) Valve Control Solenoid

from

$41.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Secondary Air Injection Pump Check Valve (Part No.CVC1001)

Secondary Air Injection Pump Check Valve

from

$39.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10021)

Fuel Injection Pressure Regulator

from

$95.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
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Carquest – Idle Air Control Valve (Part No.76A1001)

Idle Air Control Valve

from

$49.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Walker – Exhaust Oxygen Sensor Bung Plug for Secure Seal (Part No.35299)

Exhaust Oxygen Sensor Bung Plug for Secure Seal

from

$6.99
Walker?, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today’s emissions control needs, while developing solutions for tomorrow’s challenges. Walker? is a ‘one-stop’ convenience, offerin

Product Features:
  • Used for HEGO connector when oxygen sensor is not required
  • Provides secure seal
  • New accessories help to ensure effective exhaust repairs
  • Walker? supplies all of the accessories you need to do the complete exhaust job
  • Walker? offers a full line of pipes and accessories
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Delphi – Fuel Pump Hanger Assembly: With Float Arm, Lock Ring, Seal (Part No.HP10001)

Fuel Pump Hanger Assembly: With Float Arm, Lock Ring, Seal

from

$292.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • Delphi pumps are designed to operate under extreme temperatures with quick engine starts and to avoid low-fuel hesitation, including alcohol fuels and blends
  • Metal tubes in Delphi hangers are routed so as to not contact the tank or vehicle underbody at any point eliminating noise and vibration during vehicle operation
  • Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
  • Restores fast pressure performance and system integrity, translating to better pumping through less energy
  • Lower failure rates due to its innovative design and durability
  • Part is validated, tested and matched to the right vehicle application
  • Lower amperage draws less load on vehicle’s electrical system
  • Always be sure to check and clean fuel tank to avoid unnecessary returns
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Delphi – Fuel Injection Idle Air Control Valve (Part No.CV10033)

Fuel Injection Idle Air Control Valve

from

$73.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Delphi’s 100% OE replacement idle air control valves allow for accurate, stable, and precise air flow during the idle phase
  • Provides superior fit resulting in an easier installations
  • Maximizes fuel and engine efficiency
  • Manufactured and engineered with premium quality and stringent standards eliminating potential for malfunctions
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Carquest Premium – Oxygen Sensor Connector (Part No.PTA1761)

Oxygen Sensor Connector

from

$59.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest – Fuel Tank Selector Valve (Part No.FSV3)

Fuel Tank Selector Valve

from

$84.99
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
  • Robust designs backed by focused research meet today’s technical needs
  • Decades of industry leading research and development focused on meeting the technician’s needs
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Delphi – Fuel Lift Pump: With Washers, Nut/Bolt, Bracket (Part No.HFP905)

Fuel Lift Pump: With Washers, Nut/Bolt, Bracket

from

$85.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:
  • Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
  • All pumps are functionally tested for correct operation which improves pump reliability
  • Exact fit original equipment replacements means easy installation
  • Consistent pressure at all operating temperatures results in quick start-ups.
  • Pump is designed for diesel engines and applications
  • Always check fuel filter when replacing the fuel pump
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Carquest Premium – Remanufactured Diesel Fuel Injection Pump (Part No.AM91013)

Remanufactured Diesel Fuel Injection Pump

from

$1219.99
CARQUEST premium remanufactured fuel injection pumps are completely torn down, ultrasonically cleaned, inspected and remanufactured using premium components. Each pump is 100% tested on a sophisticated flow bench under multiple operating parameters to meet or exceed OE specifications.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes 100% replacement of Pump Mounted Driver (PMD)
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Cloyes Gear – Fuel Injection Pump Drive Gear (Part No.2823)

Fuel Injection Pump Drive Gear

from

$48.99
Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Product Features:
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain gears offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Helical tooth form for quiet operation and precision machined bore for true fit
  • CAD designed and manufactured using premium materials to ensure optimal performance
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Refer to our online catalog for detailed application-specific information
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Carquest Premium – Fuel Tank Lock Ring (Part No.LO1582931)

Fuel Tank Lock Ring

from

$16.99
Carquest Premium fuel pump tank seals are built by Carter Fuel Systems and Agility Auto Parts, industry leaders in high-quality fuel system components. Carquest Premium offers a complete line of fuel pump tank seals covering a wide variety of North American vehicle applications. Carquest Premium fuel pump tank seals are engineered to meet or exceed all OEM specifications.

Product Features:
  • Engineered to meet or exceed all OEM specifications.
  • Precision stamped and are treated with a rust proof finish to ensure durability and strength
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Carquest Premium – Electric Fuel Pump Inertia Switch (Part No.SBA4426)

Electric Fuel Pump Inertia Switch

from

$84.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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KAI – Fuel Sending Unit (Part No.FSU010027)

Fuel Sending Unit

from

$64.99
New Platinum Pro Fuel Sending Unit, 80-89 C/K/R/V, 3 Outlets, Lh Side Tank, Except Fi

Product Features:
  • 3 Outlets, Left Side Tank, Excludes Fuel Injection
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Bosch – Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit (Part No.12014)

Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit

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$31.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.  Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product. 

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
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Dorman – Nylon Shield Retainer- Ford and GM (sold by each) (Part No.700-614)

Nylon Shield Retainer- Ford and GM (sold by each)

from

$0.99
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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1991 GMC K2500 Fuel and Emissions Systems

You count on your 1991 GMC K2500 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 176 Fuel and Emissions Systems ranging in price from $0.99 to $948.99, you’re sure to find everything you need for your 1991 GMC K2500.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 20 different brands like Carquest Premium, Felpro, and Delphi. 1991 GMC K2500 Fuel and Emissions Systems start as low as $0.99!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 8,518 extensive product reviews on 1991 GMC K2500 Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Electric Fuel Pump: With Hose Clamps, Isolator, Splices, Isolator, 2-Wire Harness w/Connector with 4.3 stars and Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit with 4.4 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 1991 GMC K2500 below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 1991 GMC K2500

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1991 GMC K2500 running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, Delphi, and even more.

Popular Driveworks Fuel and Emissions Systems

You’ll find popular Driveworks brand products across Air Flow Sensors. All are waiting to get your 1991 GMC K2500 back on the road. Some of the top-rated Driveworks products in these categories are:
MAP Sensor
from $65.05
(12)
MAP Sensor
MAP-Barometric Pressures

Top-Rated Carquest Premium Fuel and Emissions Systems


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Fuel and Emissions Systems for your 1991 GMC K2500, and some of our most reviewed Carquest Premium parts include:

FAQs for 1991 GMC K2500 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 1991 GMC K2500?

Out of 176 Fuel and Emissions Systems for the 1991 GMC K2500, the most popular in our inventory are:
Fuel Pump Mounting Gasket
from $2.99
(26)
Fuel Pump Mounting Gasket
Fuel Pump Block-Off Plate Gaskets

What are the top-rated 1991 GMC K2500 Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 1991 GMC K2500 based on customer reviews/ratings are:
Electric Fuel Pump: With Hose Clamps, Isolator, Splices, Isolator, 2-Wire Harness w/Connector
from $67.99
(48)
Electric Fuel Pump: With Hose Clamps, Isolator, Splices, Isolator, 2-Wire Harness w/Connector
“Oem parts work as it should, I expected a little noise but it ran silenced. I got 175,000 miles out of the original one, I expected to get 100,000+ ou”
Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit
from $31.99
(43)
Oxygen Sensor: 1 Wire, 14.57" Long, Non-heated, Exact Fit
“Fit correct. Performing properly”
Locking Fuel Cap
from $23.99
(35)
Locking Fuel Cap
“Had a check engine light and when I scanned it, calls for a new gas cap. Instead of buying oem from the dealer or just an ordinary gas cap from a part”