Uremco 3-3798 Carburetor
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Uremco

Uremco 3-3798 Carburetor

Brand Uremco 3-3798
Fits Chevrolet and GMC · 198 vehicles

Carburetor for precise fuel and air mixing.

$602.56Free shipping
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Carburetor for GM Light-Duty Applications

Uremco 3-3798 is a carburetor for select Chevrolet and GMC light-duty trucks, vans, and SUVs from 1981-1986. It is listed for M4ME and M4MC carburetor applications with open-loop configurations where noted.

  • Fits 1981-1986 Chevrolet C10, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 Chevrolet C10 Suburban, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 Chevrolet C20, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 Chevrolet G10, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 Chevrolet G20, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 GMC C1500, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 GMC C1500 Suburban, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 GMC C2500, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 GMC C2500 Suburban, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 GMC G1500, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 GMC G2500, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1986 GMC Jimmy, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1984 Chevrolet C20 Suburban, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1984 Chevrolet K10, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1984 Chevrolet K10 Suburban, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1984 Chevrolet K5 Blazer, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1984 GMC K1500, Carb M4ME, Light Duty, Open Loop
  • Fits 1981-1984 GMC K1500 Suburban, Carb M4ME, Light Duty, Open Loop
  • Fits 1981 Chevrolet C10, Carb M4MC, Light Duty
  • Fits 1981 Chevrolet C10 Suburban, Carb M4MC, Light Duty
  • Fits 1981 Chevrolet C20, Carb M4MC, Light Duty
  • Fits 1981 Chevrolet G10, Carb M4MC, Light Duty
  • Fits 1981 Chevrolet G20, Carb M4MC, Light Duty
  • Fits 1981 GMC C1500, Carb M4MC, Light Duty
  • Fits 1981 GMC C1500 Suburban, Carb M4MC, Light Duty
  • Fits 1981 GMC C2500, Carb M4MC, Light Duty
  • Fits 1981 GMC G1500, Carb M4MC, Light Duty
  • Fits 1981 GMC G2500, Carb M4MC, Light Duty
  • Fits 1981 GMC Jimmy, Carb M4MC, Light Duty

Key Features

  • Uremco part number 3-3798
  • Carburetor for GM light-duty truck, van, and SUV applications
  • Application-specific fitment for M4ME and M4MC configurations
  • Listed for Chevrolet C10, C20, K10, K5 Blazer, G10, and G20 models
  • Listed for GMC C1500, C2500, K1500, Jimmy, G1500, and G2500 models

Application Details

Uremco 3-3798 is a direct-fit carburetor application for 1981-1986 Chevrolet C10 and GMC C1500 platforms, along with related C/K, G-series, Suburban, Blazer, and Jimmy models. The fitment data also includes 1981-only M4MC applications and 1981-1984 M4ME open-loop applications, so matching the carburetor code on the vehicle is important before ordering. This part number, 3-3798, is used across multiple GM light-duty configurations.

Common Issues This Part Addresses

  • Hard starting caused by a worn or incorrect carburetor
  • Rough idle from fuel metering problems
  • Stalling during acceleration or at stoplights
  • Fuel delivery inconsistency in older GM carbureted systems
  • Driveability problems tied to mismatched M4ME or M4MC carburetor applications

Installation Notes

Verify the existing carburetor identification tag, emissions configuration, and engine application before installation. Confirm that the vehicle is one of the listed Chevrolet or GMC models and that the carburetor type matches the notes shown for your year. Uremco 3-3798 should be installed on the correct GM light-duty application to maintain proper fuel and idle performance.

Quality Assurance

Uremco supplies this carburetor as an application-specific replacement for listed GM vehicles. Part number 3-3798 is cataloged for confirmed fitment on 1981-1986 Chevrolet and GMC light-duty applications, including Chevrolet C10 and GMC C1500 models.

Related reading

This part fits 198 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
1986ChevroletC10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986ChevroletC10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986ChevroletC10 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986ChevroletC10 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986ChevroletC20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986ChevroletC20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986ChevroletG10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986ChevroletG10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986ChevroletG20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986ChevroletG20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCC1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCC1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCC1500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCC1500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCC2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCC2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCC2500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCC2500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCG1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCG1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCG2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCG2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCJimmyAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1986GMCJimmyAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985ChevroletC10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985ChevroletC10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985ChevroletC10 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985ChevroletC10 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985ChevroletC20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985ChevroletC20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985ChevroletG10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985ChevroletG10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985ChevroletG20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985ChevroletG20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCC1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCC1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCC1500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCC1500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCC2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCC2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCC2500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCC2500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCG1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCG1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCG2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCG2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCJimmyAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1985GMCJimmyAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletC10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletC10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletC10 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletC10 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletC20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletC20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletC20 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletC20 Suburban—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletG10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletG10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletG20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletG20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletK10—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletK10—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletK10 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletK10 Suburban—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletK5 Blazer—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984ChevroletK5 Blazer—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCC1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCC1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCC1500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCC1500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCC2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCC2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCC2500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCC2500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCG1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCG1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCG2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCG2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCJimmyAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCJimmyAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCK1500—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCK1500—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1984GMCK1500 Suburban—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletC10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletC10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletC10 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletC10 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletC20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletC20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletC20 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletC20 Suburban—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletG10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletG10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletG20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletG20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletK10—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletK10—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletK10 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletK10 Suburban—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletK5 Blazer—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983ChevroletK5 Blazer—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCC1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCC1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCC1500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCC1500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCC2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCC2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCC2500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCC2500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCG1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCG1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCG2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCG2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCJimmyAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCJimmyAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCK1500—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCK1500—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCK1500 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1983GMCK1500 Suburban—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletC10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletC10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletC10 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletC10 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletC20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletC20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletC20 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletC20 Suburban—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletG10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletG10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletG20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletG20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletK10—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletK10—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletK10 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletK10 Suburban—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletK5 Blazer—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982ChevroletK5 Blazer—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCC1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCC1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCC1500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCC1500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCC2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCC2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCC2500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCC2500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCG1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCG1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCG2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCG2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCJimmyAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCJimmyAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCK1500—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCK1500—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCK1500 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1982GMCK1500 Suburban—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletC10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletC10Manual5.0LV8N/ACarb M4MC, Light Duty
1981ChevroletC10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletC10 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletC10 SuburbanManual5.0LV8N/ACarb M4MC, Light Duty
1981ChevroletC10 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletC20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletC20Manual5.0LV8N/ACarb M4MC, Light Duty
1981ChevroletC20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletC20 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletC20 Suburban—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletG10Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletG10Manual5.0LV8N/ACarb M4MC, Light Duty
1981ChevroletG10Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletG20Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletG20Manual5.0LV8N/ACarb M4MC, Light Duty
1981ChevroletG20Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletK10—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletK10—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletK10 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981ChevroletK5 Blazer—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCC1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCC1500Manual5.0LV8N/ACarb M4MC, Light Duty
1981GMCC1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCC1500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCC1500 SuburbanManual5.0LV8N/ACarb M4MC, Light Duty
1981GMCC1500 SuburbanAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCC2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCC2500Manual5.0LV8N/ACarb M4MC, Light Duty
1981GMCC2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCC2500 SuburbanAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCG1500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCG1500Manual5.0LV8N/ACarb M4MC, Light Duty
1981GMCG1500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCG2500Automatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCG2500Manual5.0LV8N/ACarb M4MC, Light Duty
1981GMCG2500Automatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCJimmyAutomatic5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCJimmyManual5.0LV8N/ACarb M4MC, Light Duty
1981GMCJimmyAutomatic5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCK1500—5.7LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCK1500—5.0LV8N/ACarb M4ME, Light Duty, Open Loop
1981GMCK1500 Suburban—5.7LV8N/ACarb M4ME, Light Duty, Open Loop