Engine for 1991 GMC C1500 Pickup
- Back Door
- Back Panel
- Box Assembly
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cargo Lamps
- Carrier & Components
- Center
- Clearance Lamps
- Cluster & Switches
- Cowl
- Door & Components
- Doors
- Ducts
- Exterior Trim - Cab
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pick UP Box
- Fender & Components
- Floor
- Floor - Cab
- Floor - Pick UP Box
- Frame
- Frame & Components
- Front & Side Panels
- Front Door
- Front Seat Components
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Windshield
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hardware, Fasteners & Fittings
- Hood
- Hood & Components
- Horns
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Cab
- Interior Trim - Front Door
- Labels
- Lock & Hardware
- Outside Mirrors
- Rear Door
- Rear Seat Components
- Rocker
- Rocker Panel
- Roof
- Roof & Components
- Seat Belt
- Side Glass
- Side Panel
- Side Panel & Components
- Sound System
- Steering Wheel
- Stripe Tape
- Tail Gate
- Tailgate
- Tracks & Components
- Truck Box
- Uniside
- Wiper & Washer Components
- ABS Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Back Door
- Battery
- Battery & Related Components
- Combination Lamps
- Control Modules
- Cruise Control System
- Diesel Controls
- Distributor
- Door
- Electrical Components
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Fog Lamps
- Front Door
- Front Seat Belts
- Front Wipers
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Mirrors
- Park Lamps
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Rear Wipers
- Senders
- Sensors
- Side Marker Lamps
- Starter
- Starter & Related Components
- Steering Wheel
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Window Defroster
- Hardware, Fasteners & Fittings
- Housing & Components
- Lower Components
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Upper Components
- Back Door
- Back Panel
- Box Assembly
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cargo Lamps
- Carrier & Components
- Center
- Clearance Lamps
- Cluster & Switches
- Cowl
- Door & Components
- Doors
- Ducts
- Exterior Trim - Cab
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pick UP Box
- Fender & Components
- Floor
- Floor - Cab
- Floor - Pick UP Box
- Frame
- Frame & Components
- Front & Side Panels
- Front Door
- Front Seat Components
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Windshield
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hardware, Fasteners & Fittings
- Hood
- Hood & Components
- Horns
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Cab
- Interior Trim - Front Door
- Labels
- Lock & Hardware
- Outside Mirrors
- Rear Door
- Rear Seat Components
- Rocker
- Rocker Panel
- Roof
- Roof & Components
- Seat Belt
- Side Glass
- Side Panel
- Side Panel & Components
- Sound System
- Steering Wheel
- Stripe Tape
- Tail Gate
- Tailgate
- Tracks & Components
- Truck Box
- Uniside
- Wiper & Washer Components
- ABS Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Back Door
- Battery
- Battery & Related Components
- Combination Lamps
- Control Modules
- Cruise Control System
- Diesel Controls
- Distributor
- Door
- Electrical Components
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Fog Lamps
- Front Door
- Front Seat Belts
- Front Wipers
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Mirrors
- Park Lamps
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Rear Wipers
- Senders
- Sensors
- Side Marker Lamps
- Starter
- Starter & Related Components
- Steering Wheel
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Window Defroster
- Hardware, Fasteners & Fittings
- Housing & Components
- Lower Components
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Upper Components
Browse Categories
Select category
- Back Door
- Back Panel
- Box Assembly
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cargo Lamps
- Carrier & Components
- Center
- Clearance Lamps
- Cluster & Switches
- Cowl
- Door & Components
- Doors
- Ducts
- Exterior Trim - Cab
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pick UP Box
- Fender & Components
- Floor
- Floor - Cab
- Floor - Pick UP Box
- Frame
- Frame & Components
- Front & Side Panels
- Front Door
- Front Seat Components
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Windshield
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hardware, Fasteners & Fittings
- Hood
- Hood & Components
- Horns
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Cab
- Interior Trim - Front Door
- Labels
- Lock & Hardware
- Outside Mirrors
- Rear Door
- Rear Seat Components
- Rocker
- Rocker Panel
- Roof
- Roof & Components
- Seat Belt
- Side Glass
- Side Panel
- Side Panel & Components
- Sound System
- Steering Wheel
- Stripe Tape
- Tail Gate
- Tailgate
- Tracks & Components
- Truck Box
- Uniside
- Wiper & Washer Components
- ABS Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Back Door
- Battery
- Battery & Related Components
- Combination Lamps
- Control Modules
- Cruise Control System
- Diesel Controls
- Distributor
- Door
- Electrical Components
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Fog Lamps
- Front Door
- Front Seat Belts
- Front Wipers
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Mirrors
- Park Lamps
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Rear Wipers
- Senders
- Sensors
- Side Marker Lamps
- Starter
- Starter & Related Components
- Steering Wheel
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Window Defroster
- Hardware, Fasteners & Fittings
- Housing & Components
- Lower Components
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Upper Components
- Back Door
- Back Panel
- Box Assembly
- Bumper
- Bumper & Components - Front
- Bumper & Components - Rear
- Cargo Lamps
- Carrier & Components
- Center
- Clearance Lamps
- Cluster & Switches
- Cowl
- Door & Components
- Doors
- Ducts
- Exterior Trim - Cab
- Exterior Trim - Fender
- Exterior Trim - Front Door
- Exterior Trim - Pick UP Box
- Fender & Components
- Floor
- Floor - Cab
- Floor - Pick UP Box
- Frame
- Frame & Components
- Front & Side Panels
- Front Door
- Front Seat Components
- Gaskets & Sealing Systems
- Glass - Front Door
- Glass - Windshield
- Glass & Hardware - Back
- Glove Box
- Grille & Components
- Hardware, Fasteners & Fittings
- Hood
- Hood & Components
- Horns
- Instrument Panel
- Instrument Panel Components
- Interior Trim - Cab
- Interior Trim - Front Door
- Labels
- Lock & Hardware
- Outside Mirrors
- Rear Door
- Rear Seat Components
- Rocker
- Rocker Panel
- Roof
- Roof & Components
- Seat Belt
- Side Glass
- Side Panel
- Side Panel & Components
- Sound System
- Steering Wheel
- Stripe Tape
- Tail Gate
- Tailgate
- Tracks & Components
- Truck Box
- Uniside
- Wiper & Washer Components
- ABS Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Back Door
- Battery
- Battery & Related Components
- Combination Lamps
- Control Modules
- Cruise Control System
- Diesel Controls
- Distributor
- Door
- Electrical Components
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Fog Lamps
- Front Door
- Front Seat Belts
- Front Wipers
- Glass, Windows & Related Components
- Hardware, Fasteners & Fittings
- Headlamp Components
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- License Lamps
- Lighting - Exterior
- Mirrors
- Park Lamps
- Power Seats
- Powertrain Control
- Rear Door
- Rear Seat Belts
- Rear Wipers
- Senders
- Sensors
- Side Marker Lamps
- Starter
- Starter & Related Components
- Steering Wheel
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Window Defroster
- Hardware, Fasteners & Fittings
- Housing & Components
- Lower Components
- P/S Pump & Hoses
- Power Steering Hoses, Pumps, & Related Components
- Pump & Hoses
- Shroud, Switches & Levers
- Steering Column
- Steering Column Assembly
- Steering Gear & Linkage
- Steering Wheel
- Steering Wheel & Trim
- Steering, Gear & Related Components
- Upper Components
Engine for 1991 GMC C1500 Pickup
Related Parts
Part # / Description / Price
Price
Rear Main Seal 
GM
GM Positions: Rear
Description: The Genuine GM OEM Rear Main Seal (MPN: 23500139) is engineered to prevent oil leakage from the engine's crankshaft and maintain proper lubrication in your vehicle. This critical engine seal is specifically designed for 1982-1991 GMC G10-G30 vans equipped ...
$4.70
$4.70