1991 GMC C1500 Powertrain Control

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1991 GMC C1500
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A/C & Heating
Air & Fuel Delivery
Belts & Cooling
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Brakes
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Driveline & Axles
Emission Control & Exhaust
Engine
Headlights & Lighting
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Maintenance & Lubrication
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Transmission
Categories Close X

Currently selected

Other Categories

A/C & Heating
Air & Fuel Delivery
Belts & Cooling
Body & Hardware
Brakes
Charging & Starting
Driveline & Axles
Emission Control & Exhaust
Engine
Headlights & Lighting
Interior & Exterior Trim
Maintenance & Lubrication
Steering
Suspension
Transmission
2 diagrams found for the vehicle you selected.Select your vehicle options to narrow down results.
  • 1.Emission System - Emission Components (Except Diesel)
    1991 GMC C1500 Powertrain Control Diagram 1 - Thumbnail
  • 2.Emission System - Emission Components (With Diesel)
    1991 GMC C1500 Powertrain Control Diagram 2 - Thumbnail
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Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • 1 GMC 7849167 A.I.R. Pump
    7849167
    A.I.R. Pump
    Pump Assembly-Air Injection
    • Part Notes: Except Diesel, 4.3, 5.0 & 5.7 Liter
  • 1
    12569240
    M.A.P. Sensor
    Sensor, Computer Control Sensors
    • Part Notes: W/Diesel
    MSRP: $126.03 Your Price: $64.92
    1
    Add To Cart
  • 2 GMC 10045702 Pulley
    10045702
    Pulley
    Pulley, Air Injection Reactor Pump And Multi-Function Air Compressor
    • Part Notes: Except Diesel, 4.3, 5.0, & 5.7 Liter, W/AC
  • 6
    12569240
    M.A.P. Sensor
    Sensor, Computer Control Sensors
    • Part Notes: Except Diesel
    MSRP: $126.03 Your Price: $64.92
    1
    Add To Cart
  • GMC 88999164 ECM
    88999164
    ECM
    Module Assembly, Engine Control
    • Part Notes: All Models
    MSRP: $238.66 Your Price: $134.48
  • 10456288
    Knock Sensor
    Sensor, Distributor (Also Knock Sensor)
    • Part Notes: All Models; 4.3l; Auto Trans; Thm 700-R4/4l60;All Models; 4.3l; Manual Trans;All Models; 5.7l; Manual Trans
    MSRP: $95.53 Your Price: $47.03
    1
    Add To Cart
  • 10456287
    Knock Sensor
    Sensor, Distributor (Also Knock Sensor)
    • Part Notes: All Models; 5.0l
  • 10456549
    Knock Sensor
    Sensor, Distributor (Also Knock Sensor)
    • Part Notes: All Models; 4.3l; Auto Trans; Thm-R2/4l80
    MSRP: $117.47 Your Price: $37.66
    1
    Add To Cart
  • GMC 19211437 Oxygen Sensor
    19211437
    Oxygen Sensor
    Sensor, Computer Control Sensors
    • Part Notes: All Models; 5.0l, 5.7l
    MSRP: $33.26 Your Price: $18.63
  • GMC 25176708 Oxygen Sensor
    25176708
    Oxygen Sensor
    Sensor Assembly, Oxygen
    • Part Notes: All Models; 4.3l
    MSRP: $112.89 Your Price: $55.59
    1
    Add To Cart