Search Bar
Search by Part Number, Part Name, or Vehicle
  • My Garage
  • Cart
  • OE Parts
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
  • Shop OE Parts
  • Shop By Category
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting

1991 GMC G2500 Emission Control

My Vehicle Change Vehicle
1991 GMC G2500
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Engine & Drivetrain

27 products about 1991 GMC G2500 Emission Control found

Sort by:
Recommended
Filter Results
Sort
View by
  • Dorman OE Solutions Vapor Canister for 1991 GMC G2500 - 911-478

    Dorman® OE Solutions Vapor Canister for 1991 GMC G2500

    PartNumber: 911-478
    $116.03
    Product Specifications
    • Filter Element Material: Charcoal
    • Finish: Black
    • Hose Inside Diameter: 0.405"
    • Housing Material: Plastic
    • Length: 8"
    • Port Quantity: 3
    • Ports Outside Diameter: 0.405"; 0.268"; 0.271"
    • UPC: 885484590946
    • Part Description: 1991 GMC G2500 OE Solutions Vapor Canister
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | All Trims | 6 Cyl 4.3L
    • 1991 GMC G2500 | All Trims | 8 Cyl 5.0L
    • 1991 GMC G2500 | All Trims | 8 Cyl 5.7L
    Show More
  • Delphi Back Pressure Egr Valve for 1991 GMC G2500 - EG10099

    Delphi® Back Pressure Egr Valve for 1991 GMC G2500

    PartNumber: EG10099
    $71.16
    Product Specifications
    • EGR Valve Type: Back Pressure
    • Gasket or Seal Included: Yes
    • UPC: 689604121610
    • Part Description: 1991 GMC G2500 Back Pressure Egr Valve
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC G2500 | All Trims | 8 Cyl 5.0L
  • WIX Pcv Breather Element for 1991 GMC G2500 - 42998

    WIX® Pcv Breather Element for 1991 GMC G2500

    PartNumber: 42998
    $2.98
    Product Specifications
    • Inner Diameter Top: Closed
    • Media Type: Foam
    • Outer Diameter Bottom: 4.500'' (114.3 mm)
    • Outer Diameter Top: 4.5'' (114.3 mm)
    • UPC: 765809429987
    • Part Description: 1991 GMC G2500 Pcv Breather Element
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC G2500 | All Trims | 8 Cyl 5.0L
    • 1991 GMC G2500 | All Trims | 6 Cyl 4.3L
    Show More
  • Dorman OE Solutions Secondary Air Injection Pump Pulley for 1991 GMC G2500 - 300-912

    Dorman® OE Solutions Secondary Air Injection Pump Pulley for 1991 GMC G2500

    PartNumber: 300-912
    $12.72
    Product Specifications
    • Notes: w/AC
    • Belt Type: Serpentine
    • Color: Black
    • Diameter: 5.69'' (144.53 mm)
    • Grooves: 6 Groove
    • Material: Steel
    • OE Part Number: 10045702
    • UPC: 019495080367
    • Width: 1.28'' (32.51 mm)
    • Part Description: 1991 GMC G2500 OE Solutions Secondary Air Injection Pump Pulley
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | All Trims | 6 Cyl 4.3L
  • OEM 1991 GMC G2500 Fan Switch Diagram - 15326386
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Fan Switch

    PartNumber: 15326386
    $27.59 MSRP: $52.08
    You Save: $24.49 (48%)
    Product Specifications
    • Notes: Sender; G10-30 Vans; 6.2l
    • Item Dimensions: 2.9 x 1.2 x 0.8 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25036979, 12146312
    • Part Description: 1991 GMC G2500 Fan Switch
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
  • OEM 1991 GMC G2500 Manifold Absolute Pressure Sensor Sensor Diagram - 12569240
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Manifold Absolute Pressure Sensor Sensor

    PartNumber: 12569240
    $68.11 MSRP: $112.74
    You Save: $44.63 (40%)
    Product Specifications
    • Notes: G10-30 Vans; 4.3l
    • Item Dimensions: 3.1 x 3.2 x 3.1 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 16137039, 16254719
    • Part Description: 1991 GMC G2500 Manifold Absolute Pressure Sensor Sensor
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally Custom, Rally STX, Vandura | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
  • OEM 1991 GMC G2500 PCV Valve Diagram - 6487779
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 PCV Valve

    PartNumber: 6487779
    $9.76 MSRP: $17.64
    You Save: $7.88 (45%)
    Product Specifications
    • Notes: G10-30 Vans; 5.7l
    • Other Names: PCV Valve
    • Item Dimensions: 13.4 x 3.1 x 1.5 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC G2500 PCV Valve
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally Custom, Rally STX, Vandura | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
  • OEM 1991 GMC G2500 PCV Valve Diagram - 6487779
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 PCV Valve

    PartNumber: 6487779
    $9.76 MSRP: $17.64
    You Save: $7.88 (45%)
    Product Specifications
    • Notes: G10-30 Vans; 5.7l
    • Other Names: PCV Valve
    • Item Dimensions: 13.4 x 3.1 x 1.5 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC G2500 PCV Valve
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally Custom, Rally STX, Vandura | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
  • OEM 1991 GMC G2500 PCV Valve Diagram - 6487779
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 PCV Valve

    PartNumber: 6487779
    $9.76 MSRP: $17.64
    You Save: $7.88 (45%)
    Product Specifications
    • Notes: G10-30 Vans; 5.7l
    • Other Names: PCV Valve
    • Item Dimensions: 13.4 x 3.1 x 1.5 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC G2500 PCV Valve
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally Custom, Rally STX, Vandura | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
  • Original Engine Management EGR Valve for 1991 GMC G2500 - 9199

    Original Engine Management® EGR Valve for 1991 GMC G2500

    PartNumber: 9199
    Product Specifications
    • Digital/Mechanical: Mechanical
    • Gasket or Seal Included: Yes
    • Mounting Hardware Included: No
    • Mounting Type: Bolt Mount
    • Notes: Complete Assembly
    • UPC: 841266083969
    • Vacuum Port Quantity: 1
    • Part Description: 1991 GMC G2500 EGR Valve
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | All Trims | 8 Cyl 5.7L
    • 1991 GMC G2500 | All Trims | 8 Cyl 5.0L
  • OEM 1991 GMC G2500 Canister Asm-Fuel Vapor Diagram - 17087115
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Canister Asm-Fuel Vapor

    PartNumber: 17087115
    Product Specifications
    • Notes: G10-30 Vans; 4.3l; W/High Altitude;G10-30 Vans; 5.7l; W/High Altitude
    • Other Names: Vapor Canister
    • Item Dimensions: 9.3 x 6.4 x 5.2 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC G2500 Canister Asm-Fuel Vapor
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
  • OEM 1991 GMC G2500 Canister Asm-Fuel Vapor Diagram - 17087115
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Canister Asm-Fuel Vapor

    PartNumber: 17087115
    Product Specifications
    • Notes: G10-30 Vans; 4.3l; W/High Altitude;G10-30 Vans; 5.7l; W/High Altitude
    • Other Names: Vapor Canister
    • Item Dimensions: 9.3 x 6.4 x 5.2 inches
    • Item Weight: 2.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC G2500 Canister Asm-Fuel Vapor
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
  • OEM 1991 GMC G2500 Valve, Pcv Diagram - 8995284
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Valve, Pcv

    PartNumber: 8995284
    Product Specifications
    • Notes: G10-30 Vans; 4.3l
    • Other Names: PCV Valve
    • Item Dimensions: 13.4 x 3.1 x 1.4 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC G2500 Valve, Pcv
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
  • OEM 1991 GMC G2500 Valve, Pcv Diagram - 8995284
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Valve, Pcv

    PartNumber: 8995284
    Product Specifications
    • Notes: G10-30 Vans; 4.3l
    • Other Names: PCV Valve
    • Item Dimensions: 13.4 x 3.1 x 1.4 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC G2500 Valve, Pcv
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
  • OEM 1991 GMC G2500 Valve, Pcv Diagram - 8995284
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Valve, Pcv

    PartNumber: 8995284
    Product Specifications
    • Notes: G10-30 Vans; 4.3l
    • Other Names: PCV Valve
    • Item Dimensions: 13.4 x 3.1 x 1.4 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC G2500 Valve, Pcv
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
  • OEM 1991 GMC G2500 Pump Asm-Air Injection Diagram - 7849832
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Pump Asm-Air Injection

    PartNumber: 7849832
    Product Specifications
    • Notes: G10-30 Vans; 4.3l; 6 Cylinder
    • Other Names: Air Injection Reactor Pump
    • Item Dimensions: 6.6 x 6.4 x 7.4 inches
    • Item Weight: 7.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC G2500 Pump Asm-Air Injection
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
  • OEM 1991 GMC G2500 Pump Asm-Air Injection Diagram - 7849832
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Pump Asm-Air Injection

    PartNumber: 7849832
    Product Specifications
    • Notes: G10-30 Vans; 4.3l; 6 Cylinder
    • Other Names: Air Injection Reactor Pump
    • Item Dimensions: 6.6 x 6.4 x 7.4 inches
    • Item Weight: 7.20 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 1991 GMC G2500 Pump Asm-Air Injection
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
  • OEM 1991 GMC G2500 Valve Asm, EGR Diagram - 17110806
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Valve Asm, EGR

    PartNumber: 17110806
    Product Specifications
    • Notes: G10-30 Vans; 5.7l
    • Item Dimensions: 4.3 x 4.7 x 3.9 inches
    • Item Weight: 1.50 Pounds
    • Replaced by: 17113446
    • Part Description: 1991 GMC G2500 Valve Asm, EGR
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally Custom, Rally STX, Vandura | 8 Cyl 5.7 L GAS
  • OEM 1991 GMC G2500 Valve Asm, EGR Diagram - 17110806
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Valve Asm, EGR

    PartNumber: 17110806
    Product Specifications
    • Notes: G10-30 Vans; 5.7l
    • Item Dimensions: 4.3 x 4.7 x 3.9 inches
    • Item Weight: 1.50 Pounds
    • Replaced by: 17113446
    • Part Description: 1991 GMC G2500 Valve Asm, EGR
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally Custom, Rally STX, Vandura | 8 Cyl 5.7 L GAS
  • OEM 1991 GMC G2500 Valve Asm, EGR Diagram - 17113449
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Valve Asm, EGR

    PartNumber: 17113449
    Product Specifications
    • Notes: G10-30 Vans; 4.3l
    • Other Names: EGR Valve
    • Item Dimensions: 4.5 x 4.9 x 3.8 inches
    • Item Weight: 1.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 17111403, 17111257
    • Part Description: 1991 GMC G2500 Valve Asm, EGR
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
  • OEM 1991 GMC G2500 Valve Asm, EGR Diagram - 17113449
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Valve Asm, EGR

    PartNumber: 17113449
    Product Specifications
    • Notes: G10-30 Vans; 4.3l
    • Other Names: EGR Valve
    • Item Dimensions: 4.5 x 4.9 x 3.8 inches
    • Item Weight: 1.40 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 17111403, 17111257
    • Part Description: 1991 GMC G2500 Valve Asm, EGR
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
  • OEM 1991 GMC G2500 Valve Asm-Check Diagram - 22050642
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Valve Asm-Check

    PartNumber: 22050642
    Product Specifications
    • Notes: G10-30 Vans; 4.3l
    • Other Names: Check Valve, Diverter Valve
    • Item Dimensions: 3.5 x 2.6 x 2.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 22099019
    • Part Description: 1991 GMC G2500 Valve Asm-Check
    More Info
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L GAS
  • OEM 1991 GMC G2500 EGR Vacuum Solenoid Diagram - 17084728
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 EGR Vacuum Solenoid

    PartNumber: 17084728
    Product Specifications
    • Notes: G10-30 Vans; 6.2l, Diesel
    • Part Description: 1991 GMC G2500 EGR Vacuum Solenoid
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally Custom, Rally STX, Vandura | 8 Cyl 6.2 L DIESEL
  • OEM 1991 GMC G2500 EGR Valve Diagram - 17084728
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 EGR Valve

    PartNumber: 17084728
    Product Specifications
    • Notes: G10-30 Vans; 6.2l, Diesel
    • Part Description: 1991 GMC G2500 EGR Valve
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally Custom, Rally STX, Vandura | 8 Cyl 6.2 L DIESEL
  • OEM 1991 GMC G2500 Crankcase Vent Valve Diagram - 25095898
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 Crankcase Vent Valve

    PartNumber: 25095898
    Product Specifications
    • Notes: G10-30 Vans; 6.2l, Diesel
    • Part Description: 1991 GMC G2500 Crankcase Vent Valve
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 8 Cyl 6.2 L DIESEL
  • OEM 1991 GMC G2500 PCV Valve Diagram - 25095898
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 PCV Valve

    PartNumber: 25095898
    Product Specifications
    • Notes: G10-30 Vans; 6.2l, Diesel
    • Part Description: 1991 GMC G2500 PCV Valve
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 8 Cyl 6.2 L DIESEL
  • OEM 1991 GMC G2500 PCV Valve Hose Diagram - 25095898
    View Related Parts

    OEM (Genuine) 1991 GMC G2500 PCV Valve Hose

    PartNumber: 25095898
    Product Specifications
    • Notes: G10-30 Vans; 6.2l, Diesel
    • Part Description: 1991 GMC G2500 PCV Valve Hose
    Vehicle Fitment
    • 1991 GMC G2500 | Rally, Rally STX, Vandura | 8 Cyl 6.2 L DIESEL