Wiring Harness/Engine fit your 1991 Buick Roadmaster

Currently shopping for

1991 Buick Roadmaster

Change Vehicle

Vehicle Options

8 Cyl 5.0L TBI; 4-Speed Automatic Transmission, THM700R4/4L60; Roadmaster Estate Station Wagon

Vehicle Options

8 Cyl 5.0L TBI; 4-Speed Automatic Transmission, THM700R4/4L60; Roadmaster Estate Station Wagon

Categories Close X

Currently selected

Starter, Generator, Ignition, Electrical, Lamps

Other Categories

Body Moldings, Sheet Metal, Rear Compartment Hardware, Roof Hardware

Body Mounting, Air Conditioning, Audio/Entertainment

Brakes

Brakes, Rear Axle, Propeller Shaft, Wheels, Tires

Cooling System, Grille, Oil System

Engine

Frames, Springs, Shocks, Bumpers

Front End Sheet Metal, Heater

Front Suspension, Steering

Fuel System, Exhaust, Emission System

Interior Trim, Front Seat Trim, Seat Belts

Maintenance Parts, Fluids, Capacities, Electrical Connectors

Rear Glass, Seat Parts, Adjuster

Rear Seat Trim, Carpet

Transmission - Automatic

Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

25553347
RELAY, A/C Electrical, RELAY,A/C COMPRESSOR(5-WAY MALE, CODE 3347)(MATING CONNECT USE 12101882)(2.815)
$2.39 $1.52

13586114
CONNECTOR, Emission Control System, CONNECTOR,SOLENOID-EGR VALVE(BLACK)(ACCEPTS 1.5MM TERMS)(2-WAY FEMALE)(METRI-PACKING 150 SERIES)(W/LEADS)(1.203)
$49.12 $26.03
1
Add To Cart

88987993
CONNECTOR, Engine Oil Level, CONNECTOR,SENSOR-ENGINE OIL LEVEL(GRAY)(2-WAY FEMALE)(GT150 SEALED)(W/LEADS)(4.651)
$81.18 $36.37
1
Add To Cart

88987993
CONNECTOR, Coolant Temperature (Engine Unit), CONNECTOR,SENSOR-ENGINE COOLANT TEMPERATURE(GRAY)(2-WAY FEMALE)(GT150 SEALED)(W/LEADS)(4.651)
$81.18 $36.37
1
Add To Cart

CONNECTOR, Chassis Electrical

12101830
CONNECTOR, FWD LAMP WIRING HARNESS(BLACK)(7-WAY FEMALE)(SEALED)(W/LEADS)(2.535)
$111.88 $34.76
1
Add To Cart
12101762
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(NATURAL)(10-WAY FEMALE)(METRI-PACK 150)(W/LEADS)(2.535)
$153.58 $68.80
1
Add To Cart
12101823
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(GRAY)(10-WAY MALE)(W/LEADS)(METRI-PACK 150)(2.535)
$115.15 $64.20
1
Add To Cart
12101917
CONNECTOR, INLINE-FUSE(BLACK)(12GA WIRES)(2-WAY FEMALE)(W/LEADS)(2.535)
$43.12 $22.85
1
Add To Cart
19368739
CONNECTOR, INSTRUMENT PANEL WIRING HARNESS(SQUARE)(BLACK)(6-WAY MALE)(W/LEADS)(METRI-PACK 280)
$127.82 $71.26
1
Add To Cart

CONNECTOR, Body Wiring
12101762
CONNECTOR, BODY WIRING HARNESS(NATURAL)(10-WAY FEMALE)(METRI-PACK 150)(W/LEADS)(2.535)
Fitting Vehicle Options: B
$153.58 $68.80
1
Add To Cart
13583923
CONNECTOR, BODY WIRING HARNESS(GRAY)(6-WAY FEMALE)(W/LEADS)(4.663)
- Fitting Vehicle Options: B
$62.84 $33.31
1
Add To Cart
15305888
CONNECTOR, BODY WIRING HARNESS(BLACK)(6-WAY FEMALE)(W/LEADS)(13.090)
- Fitting Vehicle Options: B
$77.32 $34.64
1
Add To Cart
12101875
CONNECTOR, BODY WIRING HARNESS(BLUE)(8-WAY FEMALE)(W/LEADS)
- Fitting Vehicle Options: B
15306155
CONNECTOR, BODY WIRING HARNESS(BLACK)(8-WAY MALE)(W/LEADS)
- Fitting Vehicle Options: B35(B9Q)

CONNECTOR, Computer Control Sensors
12085502
CONNECTOR, MAP SENS(GREEN)(3-WAY MALE)(W/LEADS)
Fitting Vehicle Options: B
$52.82 $27.98
1
Add To Cart
12117385
CONNECTOR, SENSOR-OXYGEN(EXHAUST OXYGEN SENSOR)
- Replaced By: 84788837
$85.92 $45.54
1
Add To Cart
19368868
CONNECTOR, SENSOR-VEHICLE SPEED(BLACK)(2.5MM2)(2-WAY FEMALE)(W/LEADS)(M/P280)(TWO RELEASE TABS ON THE SIDE)(2.530)
- Fitting Vehicle Options: B
$79.04 $35.41
1
Add To Cart
12117338
CONNECTOR, SENSOR-VEHICLE SPEED(BLACK)(8-WAY)(3.865)
- Fitting Vehicle Options: B
12125667
CONNECTOR, SENSOR-VEHICLE SPEED(3-WAY EDGED)
- Fitting Vehicle Options: B

12101901
CONNECTOR, A/C Compressor (Internal Parts), CONNECTOR,SWITCH-A/C CYCLING SWITCH(W/O RETAINER, ROUND)(BLACK)(2-WAY F)(W/LEADS)(2.535)
$42.88 $22.73
1
Add To Cart

12101937
CONNECTOR, A/C Wiring, CONNECTOR,A/C COMPRESSOR WIRING HARNESS(GRAY)(2-WAY FEMALE)(W/LEADS)(2.535)
$41.04 $21.75
1
Add To Cart

19368669
CONNECTOR, Multi Port Fuel Injection Throttle Position, CONNECTOR,SENSOR-THROTTLE POSITION(BLACK)(0.75MM)(3-WAY FEMALE)(W/LEADS)(2.530)
$57.66 $30.56
1
Add To Cart

12085499
CONNECTOR, Engine Oil Pressure/Temperature, CONNECTOR,SWITCH-ENGINE OIL PRESSURE INDICATOR(GRAY)(3-WAY FEMALE W/LEADS)(2.535)
$64.40 $34.13
1
Add To Cart

12085533
CONNECTOR, Transmission Converter, CONNECTOR,TORQUE CONVERTER CLUTCH WIRING(WHITE)(3-WAY MALE)(W/LEADS)(FEMALE TERMINAL USE 12354970,16 GAGE)(2.535)
$55.86 $29.61
1
Add To Cart

12101856
CONNECTOR, Heater Control, CONNECTOR,AIR HEATER CONTROL WIRING(GREEN)(2-WAY FEMALE)(W/LEADS)(2.535)
$48.09 $25.48
1
Add To Cart

CONNECTOR, Distributor (also Knock Sensor)

12102621
CONNECTOR, SENSOR-KNOCK(GRAY)(1-WAY MALE)(W/LEADS)(2.535)
$32.02 $16.97
1
Add To Cart
12101871
CONNECTOR, MODULE-KNOCK SENSOR(BLACK)(4-WAY F)(W/LEADS)(2.535)

12117339
CONNECTOR, Windshield Wiper Motor, CONNECTOR,MOTOR-WINDSHIELD WIPER(BLACK)(3-WAY FEMALE)(W/LEADS)
$76.10 $40.32
1
Add To Cart

19368034
CONNECTOR, Engine Coolant Temperature (Dash Unit), CONNECTOR,SWITCH-ENGINE COOLANT TEMPERATURE INDICATOR(GRAY)(2-WAY FEMALE)(W/LEADS)(2.530)
$47.86 $25.37
1
Add To Cart

19368709
CONNECTOR, Steering Gear Oil Pressure, CONNECTOR,SWITCH-IDLE SPEED CONTROL P/S PRESSURE(BLACK)(2.5MM2)(2-WAY FEMALE)(W/LEADS)(M/P280,SEALED)(SINGLE RELEASE TAB ON TOP)(2.530)
$42.72 $22.64
1
Add To Cart

88987962
CONNECTOR, Generator, CONNECTOR,GENERATOR(4-WAY FEMALE)(W/LEAD)(W/WIRES IN CAVITIES F,L,P & S)(2.535)
$106.82 $56.61
1
Add To Cart

11505323
SCREW, SCREW,PAN HEAD CROSS RECESS W/EXTERNAL LOCK WASHER M4.8X1.59X10 ZINC ORGANIC TAP(ENGINE WIRING HARNESS CLIP)
- Require Quantity: 02
- Package Quantity: 1

12102746
CONNECTOR, Windshield Wiper Control, CONNECTOR,MODULE-WINDSHIELD WIPER,WINDSHIELD WASHER CONTROL(BLACK)(6-WAY F)(W/LEADS)

HARNESS, Engine Wiring
12102933
HARNESS, ENGINE WIRING
Fitting Vehicle Options: B(C60)
12102934
HARNESS, ENGINE WIRING
- Fitting Vehicle Options: B(C68)

12117351
CONNECTOR, Ignition Coil, CONNECTOR,COIL-IGNITION(GRAY)(1-WAY M)

12126449
CONNECTOR, Carburetor Accelerator Pump, CONNECTOR,VALVE-IDLE AIR CONTROL(BLACK)(4-WAY F)(W/LEADS)(2.535)

52350585
STUD, Chassis/Engine Wiring Harness, STUD,ENGINE WIRING HARNESS BRACKET(3/8-16X1.52 LONG)(2.277)

9428638
BOLT, Chassis/Engine Wiring Harness, BOLT,3/8-16 5/8(ENGINE WIRING HARNESS CLIP)
- Require Quantity: 02
- Package Quantity: 1

11502848
NUT, HEXAGON STYLE M5X.8X4.45(ENGINE WIRING HARNESS START LEAD)
- Replaced By: 11609467
$5.17 $3.29
1
Add To Cart

9414034
NUT, HEXAGON .375-16X21/64 301M ZINC COATED(ECM WIRING HARNESS GROUND)
- Require Quantity: 02
- Package Quantity: 100
$0.85 $0.57
100
Add To Cart

11503663
WASHER, 6.3MM INSIDE DIAMETER, 12.5MM OUTSIDE DIAMETER, .60MM THICK(ENGINE WIRING HARNESS START LEAD)
$5.25 $3.33
1
Add To Cart

11504986
BOLT, HEX FLANGED HEAD,M8X1.25X14,PC(ENGINE WIRING HARNESS RETAINER)
$8.64 $5.18
1
Add To Cart

12101870
CONNECTOR, WIRING HARNESS(FUEL PUMP MODULE WIRING)(2.535)
$22.50 $11.93
1
Add To Cart

12102620
CONNECTOR, PIGTAIL,FEMALE METRI-PACKING,PULL TO SEAT,MANIFOLD AIR TEMPERATURE SENSOR(GRAY) 2 TERMINAL(MANIFOLD AIR TEMPERATURE SENSOR)(3.682)
$38.63 $20.48
1
Add To Cart

11508154
SCREW, HEXAGON WASHER TAP M8X2.12X16 PHOSPHATE ZINC ORGANIC(ENGINE WIRING HARNESS CLIP)

12102568
CONNECTOR, WEATHER RESISTANT(FUEL INJECTOR)(3.300)
- Require Quantity: 02
- Package Quantity: 1

9428638
BOLT, 3/8-16 5/8(ENGINE WIRING HARNESS RETAINER)

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 Buick Roadmaster parts. Parts like Wiring Harness/Engine are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 5.0L. Model Code: STATION WAGON.