Emission Controls fit your 1991 Buick Regal

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1991 Buick Regal

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Vehicle Options

4-Speed Automatic Transmission, THM440-T4/4T60

Vehicle Options

4-Speed Automatic Transmission, THM440-T4/4T60

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Fuel System, Exhaust, Emission System

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Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

15326386
SENSOR, Computer Control Sensors, SENSOR,ENGINE COOLANT TEMPERATURE(ECM FUNCTION)(2-WAY MALE)(MATING CONNECT W/LEADS USE 88987993)(USED FOR CLUSTERS W/OIL GAGE & LIGHT COMBINATION)
$46.88 $24.85
1
Add To Cart

15326386
SENSOR, Coolant Temperature (Engine Unit), SENSOR,ENGINE COOLANT TEMPERATURE(ECM FUNCTION)(2-WAY MALE)(MATING CONNECT W/LEADS USE 88987993)(3.682)(USED FOR CLUSTERS W/OIL GAGE & LIGHT COMBINATION)
$46.88 $24.85
1
Add To Cart

12569240
SENSOR, Computer Control Sensors, SENSOR, MAP (1989-91)
$112.74 $65.93
1
Add To Cart

11561025
BOLT, Fuel Injection, BOLT, FUEL INJECTION RAIL (M6X1X16) 9.8 PHOSPHATE ORGANIC
$0.09 $0.06
10
Add To Cart

11516109
BOLT, Generator Mounting, BOLT,GENERATOR SUPPORT(TO CYL HEAD(HEX FLANGED HEAD M10X1.5X65,21.5 O.D.,CADMIUM,10.9)(HEX FLANGED HEAD M10X1.5X65)(8.900)
$6.84 $4.34
10
Add To Cart

19211437
SENSOR, Computer Control Sensors, SENSOR, EXHAUST OXYGEN
$33.92 $18.91

25043843
VALVE, Engine Crankcase, VALVE, CRANKCASE VENT (CV892C)

25043843
VALVE, Engine Crankcase, VALVE,PCV(ALSO PART OF 21)(PCV VALVE IS FOR USE IN NON-RIVETED ROCKER ARM COVERS ONLY)

1470030
CLAMP,A/C), CLAMP, WORM GEAR (.56 TO 1.06)
- Replaced By: 11610236
$8.87 $5.64
1
Add To Cart

14001875
GROMMET, Engine Crankcase, GROMMET, CRANKCASE VENT VALVE
$7.93 $5.04

19244519
SENSOR, Engine Oil Pressure/Temperature, SENSOR,FUEL PUMP SWITCH & ENGINE OIL PRESSURE GAGE(4 BLADE TERMINAL, 1/4-18 THREAD)
$41.64 $22.21
1
Add To Cart

19244519
SENSOR, Fuel Pump Pressure, SENSOR,FUEL PUMP SWITCH & ENGINE OIL PRESSURE GAGE(4 BLADE TERMINAL, 1/4-18 THREAD)(1.800)
$41.64 $22.21
1
Add To Cart

10456555
SENSOR, Distributor (also Knock Sensor), SENSOR, IGNITION TIMER
$74.07 $36.31
1
Add To Cart

11508040
BOLT, Emission Control System, BOLT, EGR VALVE
$3.36 $2.13

12337892
BOLT, Radio Mounting, BOLT, U NUT & STUD (M5X.8X10)

12337892
BOLT, Emission Control System, BOLT,ECM(ECM)

19245557
MODULE, Distributor (also Knock Sensor), MODULE, IGNITION COIL(*01)
$455.78 $222.77
1
Add To Cart

25037332
SENSOR, Coolant Temperature (Engine Unit), SENSOR,ENGINE COOLANT TEMPERATURE GAGE(2 BLADE TERMINAL)(CAN BLACK ENAMEL USED AS 1 TERMINAL CONNECT)(3/8-18 THREAD)(3/8-18 THREAD)(MATING CONNECT W/LEADS USE 12126458)
$77.42 $41.03
1
Add To Cart

10115742
HOSE, Throttle Body Coolant Supply, HOSE, T.B.I. HEATER INLET

SHIELD, Main Wiring Junction and Fuse Block

10136719
SHIELD, FUSE BLOCK((1991))(LH0)
14100403
SHIELD, FUSE BLOCK (UPPER) (1989-90)

25526395
BOLT, Distributor (also Knock Sensor), BOLT,CAMSHAFT POSITION SENSOR(TO FRONT COVER)(HEXAGON-W/FLAT WASHER W/ADHESIVE,1/4-20X.69,.55THD,5 O.D.,300M,PLAIN)

BOLT, Intake & Exhaust Manifold

11515792
BOLT, INTAKE MANIFOLD PLENUM (1989-90)
$2.84 $1.81
10
Add To Cart
10110443
BOLT, INTAKE MANIFOLD PLENUM (1991)

CLAMP, Air Cleaner Intake

11518417
CLAMP, AIR INTAKE DUCT REAR TO AIR CLEANER
$12.24 $9.38
1
Add To Cart
11518417
CLAMP, AIR INTAKE DUCT
$12.24 $9.38
1
Add To Cart

88999195
MODULE, Emission Control System, MODULE,ENGINE CONTROL(1989-91)
$258.42 $140.26
1
Add To Cart

VALVE, Emission Control System

17091147
VALVE, EGR (PRODUCT 17090077)(1990-91)
17112039
VALVE, EGR (PRODUCT 17090077)(1989)

24500494
BRACKET, Accelerator Pedal Lever, BRACKET,ACCELERATOR CONTROL CABLE(TO THROTTLE BODY)
$8.80 $3.50
1
Add To Cart

25171651
SENSOR, Computer Control Sensors, SENSOR,AIR CLEANER AIR TEMPERATURE(FOR MODULE APPLICATION & POA INFORMATION SEE AIR CLEANER CHART)(KIT)
$43.00 $25.98
1
Add To Cart

5617102
GASKET, Emission System, GASKET,OXYGEN SENSOR
$8.90 $4.95
1
Add To Cart

88999177
MODULE, Emission Control System, MODULE,ENGINE CONTROL(REMANUFACTURED-NOT FOR SALE WHERE IMPORTS ARE RESTRICTED)
$241.28 $134.59
1
Add To Cart

GASKET KIT, Manifold to Cylinder Head

10104430
GASKET KIT, INTAKE MANIFOLD PLENUM (1990)
$13.32 $8.47
1
Add To Cart
12507234
GASKET KIT, INTAKE MANIFOLD PLENUM (1991)

10232600
SWITCH, Coolant Temperature (Engine Unit), SWITCH, ENGINE COOLANT TEMPERATURE INDICATOR (UH6)
$36.86 $2.54
1
Add To Cart

10232601
SENSOR, Coolant Temperature (Engine Unit), SENSOR, COOLANT TEMPERATURE (UB3)
$76.18 $17.96
1
Add To Cart

11562510
BOLT, Intake Manifold Vacuum, BOLT,VACUUM SOURCE HARNESS MANIFOLD(6X1X47)
$13.05
1
Add To Cart

COVER, Main Wiring Junction and Fuse Block

12059945
COVER, CONVENIENCE CENTER RELAY((LOWER))
$4.54
1
Add To Cart
12065189
COVER, CONVENIENCE CENTER RELAY((UPPER))

HARNESS, Chassis Wiring
12101416
HARNESS, ECM WIRING(IF A GREEN ECM CONNECT IS ON SERVICE HARNESS THE ECM CONNECT WILL VARY FROM OEM AS FOLLOWS:RED=GREEN, DARK GRAY=BROWN, PURPLE=RED, BROWN=DARK GRAY)
Fitting Vehicle Options: W(19)(L27,UB3)(TYPE 1 VIN 400001-800000)
$1254.37 $46.63
1
Add To Cart
12085385
HARNESS, ECM WIRING (1990)
12101415
HARNESS, ECM WIRING(IF A GREEN ECM CONNECT IS ON SERVICE HARNESS THE ECM CONNECT WILL VARY FROM OEM AS FOLLOWS:RED=GREEN, DARK GRAY=BROWN, PURPLE=RED, BROWN=DARK GRAY)
- Fitting Vehicle Options: W(19)(L27,UH6)(TYPE 1 VIN 400001-800000)
12112784
HARNESS, ECM WIRING (1991)
12116920
HARNESS, ECM WIRING(IF A GREEN ECM CONNECT IS ON SERVICE HARNESS THE ECM CONNECT WILL VARY FROM OEM AS FOLLOWS:RED=GREEN, DARK GRAY=BROWN, PURPLE=RED, BROWN=DARK GRAY)
- Fitting Vehicle Options: W(19)(L27,U21)(TYPE 2 VIN 800001 & GREATER), W(57)(L27,U21)
12116921
HARNESS, ECM WIRING(IF A GREEN ECM CONNECT IS ON SERVICE HARNESS THE ECM CONNECT WILL VARY FROM OEM AS FOLLOWS:RED=GREEN, DARK GRAY=BROWN, PURPLE=RED, BROWN=DARK GRAY)
- Fitting Vehicle Options: W(57)(L27,UH6), W(19)(L27,UH6)(TYPE 2 VIN 800001 & GREATER)

12537111
SENSOR, Distributor (also Knock Sensor), SENSOR,CRANKSHAFT POSITION
$80.07 $42.72
1
Add To Cart

14090911
PLUG, Engine Oil Distribution, PLUG, AUTO DRAIN (3/8-18X.42) PHOSPHATE ELECTRO ORGANIC
$8.06 $5.12
1
Add To Cart

1635540
STUD, Multi PORTION Fuel Injection Throttle Body, STUD,THROTTLE BODY(THROTTLE BODY)(ALSO PART OF 21)(M8X1.25X40,9.8)(8.981)
- Require Quantity: 03
- Package Quantity: 1
$9.35 $5.94
1
Add To Cart

1640161
STUD, Ignition Coil Mounting, STUD, IGNITION COIL
$6.91 $4.38
1
Add To Cart

SWITCH, Engine Oil Pressure/Temperature

19244517
SWITCH, OIL PRESSURE INDICATOR & FUEL PUMP (UH6)(1991)
$46.24 $32.18
1
Add To Cart
19244515
SWITCH, OIL PRESSURE INDICATOR & FUEL PUMP (UH6)(1989-90)

19369733
ADHESIVE, Maintenance Products, ADHESIVE,THREADLOCKER(HIGH-STRENGTH)(HIGH-TEMPERATURE)(RED)(0.20 OUNCE)(INTAKE MANIFOLD)
$12.07 $6.48
1
Add To Cart

1989866
SEAL, Distributor (also Knock Sensor), SEAL, IGNITION 0 RING
$17.46 $9.25
1
Add To Cart

22582701
VALVE, Cruise Control, VALVE, CRUISE CONTROL VACUUM RELEASE
$12.60
1
Add To Cart

24500166
GASKET, Multi PORTION Fuel Injection Throttle Body, GASKET,THROTTLE BODY(INTAKE MANIFOLD TO THROTTLE BODY)
$13.02 $12.60
1
Add To Cart

24500431
SPRING, Engine Crankcase, SPRING,PCV VALVE(ALSO PART OF 21)
$0.35 $0.22
1
Add To Cart

25043504
ELEMENT, Air Cleaner Intake, ELEMENT,AIR CLEANER
$18.32 $9.71
6
Add To Cart

10021766
COVER, Chassis Electric Diagnostic, COVER, INSTRUMENT PANEL HARNESS DIAGNOSTIC CONNECT

10026710
BRACKET, Computer Control Sensors, BRACKET, MAP SENSOR

SWITCH, A/C Electric Temperature and Motor Control

10045778
SWITCH, COMPRESSOR ENGINE COOLANT TEMPERATURE (1989 EXCEPT K06)
10045794
SWITCH, COMPRESSOR ENGINE COOLANT TEMPERATURE (1989 K06)(1990)

10045791
BRACKET, Spark Plug Ignition Wire, BRACKET, IGNITION WIRE RETAINER

10048662
STUD, Accelerator Pedal Lever, STUD,ACCELERATOR CONTROL CABLE BRACKET

10049690
BOLT, Fuel Tank Evaporator/Purge Control, BOLT,HEXAGON,M6X1X85,9.8,PHOSPHATE ORGANIC,THREAD SIZE-20.0(FUEL VAPOR CANISTER BRACKET)

10075405
RETAINER, Cruise Control, RETAINER, CRUISE CONTROL VACUUM RELEASE VALVE

10078964
PLENUM, Engine Fuel Intake Manifold, PLENUM, INLET MANIFOLD (1989)

HARNESS, Emission System

10087630
HARNESS, EGR VALVE VACUUM (1990-91)
10114903
HARNESS, EGR VALVE VACUUM (1989)

10099981
DUCT, Air Cleaner Intake, DUCT, Air INTAKE REAR

10100016
MANIFOLD, Engine Fuel Intake Manifold, MANIFOLD, INTAKE MANIFOLD (1991)

10100090
ADAPTER, Emission System, ADAPTER,EGR VALVE(1990-91)

10100094
GASKET, Emission System, GASKET,EGR VALVE(3.671)

10110441
PIPE, Fuel Line, PIPE, F/FEED/ATCH TO FUEL INJECTION RAIL(*01)

10114915
GASKET, Emission Control System, GASKET,EGR VALVE ADAPTER

10114919
HOSE, Fuel Tank Evaporator/Purge Control, HOSE,EVAP EMISSION CANISTER PURGE

10118606
PIPE, Throttle Body Coolant Supply, PIPE, THROTTLE BODY HEATER INLET

10118697
BOLT, Emission Control System, BOLT, EGR VALVE

10136779
BRACKET, Emission Control System, BRACKET, ECM

10136779
BRACKET, Emission Control System, BRACKET,ECM

10209678
GASKET, Multi PORTION Fuel Injection Throttle Body, GASKET, THROTTLE BODY

10234923
BRACKET, Fuel Tank Evaporator/Purge Control, BRACKET, FUEL VAPOR CANISTER

10234923
BRACKET, Fuel Tank Evaporator/Purge Control, BRACKET,EVAP EMISSION CANISTER

10456019
SENSOR, Distributor (also Knock Sensor), SENSOR,KNOCK(BUTTON TYPE TERMINAL)(1/4-18 THREAD)

10456208
SENSOR, Distributor (also Knock Sensor), SENSOR, ELECTRONIC SPARK CONTROL KNOCK
$111.70 $62.27

11509192
BOLT, Throttle Control Lever, BOLT,HEXAGON,W/FLAT WASHER,M5X0.8X20,FULL THREAD,14 O.D.,9.8,PHOSPHATE ELECTRO ORGANIC(ACCELERATOR CONTROL CABLE BRACKET)

12064802
COVER, Chassis Electrical, COVER,ENGINE WIRING HARNESS ECM CONNECT

12064802
COVER, Chassis Electrical, COVER,ENGINE WIRING HARNESS ECM CONNECT

12064849
CONVENIENCE CENTER, Main Wiring Junction and Fuse Block, CONVENIENCE CENTER, ENGINE COMPARTMENT

HARNESS, Engine Wiring

12072980
HARNESS, ENGINE WIRING (1990)
12106189
HARNESS, ENGINE WIRING (1991)

12083516
HARNESS, Engine Wiring, HARNESS, ENGINE & ECM WIRING (1989)(*02)

12084363
COVER, Main Wiring Junction and Fuse Block, COVER, RELAY (CONVENIENCE CENTER)

12127654
HARNESS, Engine Wiring, HARNESS,ELECTRONIC IGNITION CONTROL MODULE WIRING

12338136
PLUG, Distributor (also Knock Sensor), PLUG,HEXAGON SOCKET,1/4-18X.69,DOG POINT(ELECTRONIC SPARK CONTROL KNOCK SENSOR HOLE)

14001192
GROMMET, Engine Crankcase, GROMMET, CRANKCASE VENT PIPE

14089809
BRACKET, Fuel Line, BRACKET, F/FEED & RETURN PIPE

14100668
CLAMP, CLAMP, ENGINE COOLING BY PASS PIPE

14102513
TUBE, Engine Crankcase Ventilation, TUBE, CRANKCASE VENT VALVE

14102648
PIPE, Fuel Line, PIPE, F/RETURN FRONT/ATTCH TO FUEL INJECTION RAIL(*01)

EPROM, Emission Control System
16169568
EPROM, ECM((4648ASHZ)(ALSO PART OF 38)
Fitting Vehicle Options: W(L27,ME9,NA5)
16169568
EPROM, ECM(4648ASHZ,6802AWRA,0154AXDN)(ALSO PART OF 38)
- Fitting Vehicle Options: W(L27,ME9,NA5)
16169573
EPROM, ECM(4880ASJA,6808AWRB,0149AXDP)(ALSO PART OF 38)
- Fitting Vehicle Options: W(L27,ME9,NB2)

17090139
CANISTER, Fuel Tank Evaporator/Purge Control, CANISTER, FUEL VAPOR

17090139
CANISTER, Fuel Tank Evaporator/Purge Control, CANISTER,EVAP EMISSION

BODY, Fuel Injection Air Meter
17092193
BODY, THROTTLE(COMPONENT PARTS SERVICED)(*02)
Fitting Vehicle Options: W(FOR MDL APPL & POA SEE THROT BODY CHT)
25536994
BODY, THROTTLE(COMPONENT PARTS SERVICED)(*02)
- Fitting Vehicle Options: W(L27)

17106116
FITTING, Emission System, FITTING, EGR VALVE TRNSFR

17113236
RAIL KIT, Fuel Injection, RAIL KIT, FUEL INJECTION (COMPONENT PARTS SERVICED)(*01)

1997203
VALVE, Fuel Tank Evaporator/Purge Control, VALVE, FUEL VAPOR CANISTER PURGE

24500136
STUD, Engine Crankcase, STUD,PCV VALVE COVER(COVER TO INTAKE MANIFOLD INBOARD LOCATING)(M6X1X16,M6X1X14.7)(ALSO PART OF 21)

24500137
NUT, Fuel Injection, NUT,FUEL INJECTOR SIGHT SHIELD

24500224
RAIL, Fuel Injection, RAIL,SEQUENTIAL MULTIPORT FUEL INJECTION FUEL(COMPONENT PARTS SERVICED)(*02)

24500344
SHIELD, Fuel Injection, SHIELD,FUEL INJECTOR SIGHT

24500537
COVER, Engine Crankcase, COVER,PCV VALVE(ALSO PART OF 21)

24500539
GASKET, Engine Crankcase, GASKET,PCV VALVE COVER(ALSO PART OF 21)

24502098
SHIELD, Distributor (also Knock Sensor), SHIELD,CRANKSHAFT POSITION SENSOR(INCLUDE 72)

STUD, Engine Front Cover
24504717
STUD, ENGINE FRONT COVER(THROUGH FRONT TO BLOCK)(HEXAGON W/.65 OUTSIDE DIAMETER FLAT WASHER,5/16-18X1.53 & .31X.66 W/GROOVE,300M,PC)(HEXAGON W/.65 OUTSIDE DIAMETER X .06 THICK WASHER, 5/16-18X1.53 W/1.1 THREAD)
Require Quantity: 03
Package Quantity: 1
25532537
STUD, ENGINE FRONT COVER(WASHER,5/16-18X38.9,9/8X1.25X18,18.5 OUTSIDE DIAMETER,FULL THDS,HRD WASHER 10.9,PLATE STEEL,)

24504791
STUD, Generator Mounting, STUD,GENERATOR SUPPORT(TO CYD HEAD(W/CONICAL 21 OUTSIDE DIAMETER,M10X1.5X57.5,M10X1.5X28.5,93.8TL)(2.383)
- Require Quantity: 02
- Package Quantity: 1

25098261
CLEANER, Air Intake, CLEANER,AIR(COMPONENT PARTS SERVICED)(*02)

25530325
SENSOR, Distributor (also Knock Sensor), SENSOR,CAMSHAFT POSITION(3 PINION TERMINAL)(W/WIRE LEAD)(1 BOLT HOLE)

25534756
SEAL, Engine Crankcase, SEAL,PCV VALVE(VALVE TO INTAKE MANIFOLD)(ALSO PART OF 21)

25535051
GASKET, Intake Manifold Vacuum, GASKET,VACUUM SOURCE MANIFOLD(HARNESS)(ALSO PART OF 18 & 45)

25536381
DUCT, Air Cleaner Intake, DUCT,REAR INTAKE AIR

25536657
SUPPORT, Generator Mounting, SUPPORT,GENERATOR(ALSO C3I MODULE)

25536881
VALVE, Fuel Tank Evaporator/Purge Control, VALVE,EVAP EMISSION CANISTER PURGE SOLENOID

8662926
SENSOR, Computer Control Sensors, SENSOR, SPEED (W/GOVERNOR COVER & SEAL)

8997167
RETAINER, Air Cleaner and Silencer, RETAINER,AIR CLEANER

11514596
NUT, HEX FLANGED HEAD (M8X1.25) PHOSPHATE ELECTRO ORGANIC
- Replaced By: 11610091
$10.24 $6.05
1
Add To Cart

12548430
TUBING, BRAKE,1/4" X 16 FT ROLL,STEEL(FUEL VAPOR)
$67.04 $37.37

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 Buick Regal parts. Parts like Emission Controls are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.1L, 6 Cyl 3.8L. Model Code: 2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR.