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Parts found for 1991 Buick Regal > Fuel System, Exhaust, Emission System > Emission Controls

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  •  
    BODY, Fuel Injection Air Meter Make Sure These Fit  
  • Buick 17092193
    BODY, THROTTLE(COMPONENT PARTS SERVICED)(*02)
    Fitting Vehicle Options: W(FOR MDL APPL & POA SEE THROT BODY CHT)
    --
    --
  • Buick 25536994
    BODY, THROTTLE(COMPONENT PARTS SERVICED)(*02)
    Fitting Vehicle Options: W(L27)
    --
    --
  •  
    BOLT, Emission Control System Make Sure These Fit  
  • Buick 10118697
    BOLT, EGR VALVE
    --
    $17.69
  • Buick 11508040
    BOLT, EGR VALVE
    $7.99
    $5.10
  • Buick 12337892
    BOLT, ECM(ECM)(M5X.8X16 THREAD)(SPECIAL)
    Fitting Vehicle Options: W
    $2.32
    $1.30
  • Buick 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)
    $1.78
    $1.14
  •  
    BOLT, Intake & Exhaust Manifold Make Sure These Fit  
  • Buick 11515792
    BOLT, INTAKE MANIFOLD PLENUM (1989-90)
    $1.28
    $0.82
  • Buick 10110443
    BOLT, INTAKE MANIFOLD PLENUM (1991)
    --
    --
  •  
    BRACKET, Fuel Tank Evaporator/Purge Control Make Sure These Fit  
  • Buick 10234923
    BRACKET, FUEL VAPOR CANISTER
    --
    --
  • Buick 10234923
    BRACKET, EVAP EMISSION CANISTER
    Fitting Vehicle Options: W
    --
    --
  •  
    CANISTER, Fuel Tank Evaporator/Purge Control Make Sure These Fit  
  • Buick 17090139
    CANISTER, FUEL VAPOR
    --
    --
  • Buick 17090139
    CANISTER, EVAP EMISSION
    Fitting Vehicle Options: W(L27)
    --
    --
  •  
    CLAMP, Air Cleaner Intake Make Sure These Fit  
  • Buick 11518417
    CLAMP, AIR INTAKE DUCT
    $10.31
    $6.93
  • Buick 11518417
    CLAMP, AIR INTAKE DUCT REAR TO AIR CLEANER
    $10.31
    $6.93
  • Buick 10021766
    COVER
    COVER, INSTRUMENT PANEL HARNESS DIAGNOSTIC CONNECT
    --
    --
  •  
    COVER, Chassis Electrical Make Sure These Fit  
  • Buick 12064802
    COVER, ENGINE WIRING HARNESS ECM CONNECT
    --
    $24.66
  • Buick 12064802
    COVER, ENGINE WIRING HARNESS ECM CONNECT
    Fitting Vehicle Options: W
    --
    $24.66
  •  
    COVER, Main Wiring Junction and Fuse Block Make Sure These Fit  
  • Buick 12084363
    COVER, RELAY (CONVENIENCE CENTER)
    --
    --
  • Buick 12059945
    COVER, CONVENIENCE CENTER RELAY((LOWER))
    --
    $18.04
  • Buick 12065189
    COVER, CONVENIENCE CENTER RELAY((UPPER))
    --
    --
  •  
    DUCT, Air Cleaner Intake Make Sure These Fit  
  • Buick 10099981
    DUCT, AIR INTAKE REAR
    --
    --
  • Buick 25536381
    DUCT, REAR INTAKE AIR
    Fitting Vehicle Options: W(L27)
    --
    --
  •  
    EPROM, Emission Control System Make Sure These Fit  
  • Buick 16169568
    EPROM, ECM((4648ASHZ)(ALSO PART OF 38)
    Fitting Vehicle Options: W(L27,ME9,NA5)
    --
    --
  • Buick 16169568
    EPROM, ECM(4648ASHZ,6802AWRA,0154AXDN)(ALSO PART OF 38)
    Fitting Vehicle Options: W(L27,ME9,NA5)
    --
    --
  • Buick 16169573
    EPROM, ECM(4880ASJA,6808AWRB,0149AXDP)(ALSO PART OF 38)
    Fitting Vehicle Options: W(L27,ME9,NB2)
    --
    --
  •  
    GASKET KIT, Manifold to Cylinder Head Make Sure These Fit  
  • Buick 10104430
    GASKET KIT, INTAKE MANIFOLD PLENUM (1990)(1991 TYPE 1 VIN 400001-800000)
    $11.31
    $7.22
  • Buick 12507234
    GASKET KIT, INTAKE MANIFOLD PLENUM (1991)(1991 TYPE 2 VIN 400001 & GREATER)
    --
    --
  •  
    GASKET, Emission System Make Sure These Fit  
  • Buick 10100094
    GASKET, EGR VALVE(3.671)
    $11.42
    $6.40
  • Buick 5617102
    GASKET, OXYGEN SENSOR
    Fitting Vehicle Options: W
    --
    $14.03
  •  
    GASKET, Multi Port Fuel Injection Throttle Body Make Sure These Fit  
  • Buick 10209678
    GASKET, THROTTLE BODY
    $3.12
    $1.90
  • Buick 24500166
    GASKET, THROTTLE BODY(INTAKE MANIFOLD TO THROTTLE BODY)
    Fitting Vehicle Options: W(L27)
    $13.02
    $7.29
  •  
    HARNESS, Chassis Wiring Make Sure These Fit  
  • Buick 12085385
    HARNESS, ECM WIRING (1990)(1991 TYPE 1 VIN 400001-800000)
    --
    --
  • Buick 12112784
    HARNESS, ECM WIRING (1991)(1991 TYPE 2 VIN 800000 & GREATER)
    --
    --
  • Buick 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: W19(L27,UB3)(TYPE 1 VIN 400001-800000)
    $1254.37
    $800.79
  • Buick 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: W19(L27,U21)(TYPE 2 VIN 800001 & GREATER), W57(L27,U21)
    --
    --
  • Buick 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: W57(L27,UH6), W19(L27,UH6)(TYPE 2 VIN 800001 & GREATER)
    --
    --
  • Buick 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: W19(L27,UH6)(TYPE 1 VIN 400001-800000)
    --
    --
  •  
    HARNESS, Emission System Make Sure These Fit  
  • Buick 10114903
    HARNESS, EGR VALVE VACUUM (1989)
    --
    --
  • Buick 10087630
    HARNESS, EGR VALVE VACUUM (1990-91)
    --
    --
  •  
    HARNESS, Engine Wiring Make Sure These Fit  
  • Buick 12083516
    HARNESS, ENGINE & ECM WIRING (1989)(*02)
    $898.17
    $573.40
  • Buick 12072980
    HARNESS, ENGINE WIRING (1990)(1991 TYPE 1 VIN 400001-800000)
    --
    --
  • Buick 12106189
    HARNESS, ENGINE WIRING (1991)(1991 TYPE 2 VIN 800000 & GREATER)
    --
    --
  • Buick 12127654
    HARNESS, ELECTRONIC IGNITION CONTROL MODULE WIRING
    Fitting Vehicle Options: W(L27)
    --
    --
  • Buick 10100016
    MANIFOLD
    MANIFOLD, INTAKE MANIFOLD (1991)(1991 TYPE 2 VIN 800000 & GREATER)
    --
    --
  •  
    MODULE, Emission Control System Make Sure These Fit  
  • Buick 88999195
    MODULE, ENGINE CONTROL(1989-91)
    --
    $221.88
  • Buick 88999177
    MODULE, ENGINE CONTROL(REMANUFACTURED-NOT FOR SALE WHERE IMPORTS ARE RESTRICTED)
    Fitting Vehicle Options: W(L27)
    --
    $192.57
  •  
    PIPE, Fuel Line Make Sure These Fit  
  • Buick 10110441
    PIPE, F/FEED/ATCH TO FUEL INJECTION RAIL(*01)
    --
    --
  • Buick 14102648
    PIPE, F/RETURN FRONT/ATTCH TO FUEL INJECTION RAIL(*01)
    --
    $25.92
  • Buick 12338136
    PLUG
    PLUG,HEXAGON SOCKET,1/4-18X.69,DOG POINT(ELECTRONIC SPARK CONTROL KNOCK SENSOR HOLE)
    --
    --
  •  
    RETAINER Make Sure These Fit  
  • Buick 10075405
    RETAINER, CRUISE CONTROL VACUUM RELEASE VALVE
    --
    --
  • Buick 8997167
    RETAINER, AIR CLEANER
    Fitting Vehicle Options: W
    --
    --
  •  
    SENSOR, Computer Control Sensors Make Sure These Fit  
  • Buick 19211437
    SENSOR, EXHAUST OXYGEN
    $29.47
    $15.92
  • Buick 12569240
    SENSOR, MAP (1989-91)
    $98.29
    $53.07
  • Buick 25171651
    SENSOR, AIR CLEANER AIR TEMPERATURE(FOR MODULE APPLICATION & POA INFORMATION SEE AIR CLEANER CHART)(KIT)
    Fitting Vehicle Options: W
    $39.66
    $22.21
  • Buick 15326386
    SENSOR, ENGINE COOLANT TEMPERATURE(ECM FUNCTION)(2-WAY MALE)(MATING CONNECT W/LEADS USE 88987993)(USED FOR CLUSTERS W/OIL GAGE & LIGHT COMBINATION)
    Fitting Vehicle Options: W(L27)
    $34.78
    $18.78
  •  
    SENSOR, Coolant Temperature (Engine Unit) Make Sure These Fit  
  • Buick 10232601
    SENSOR, COOLANT TEMPERATURE (UB3)
    $76.18
    $42.66
  • Buick 25037332
    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)
    Fitting Vehicle Options: W(L27)
    $35.23
    $19.03
  • Buick 15326386
    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)
    Fitting Vehicle Options: W(L27)
    $34.78
    $18.78
  •  
    SENSOR, Distributor (also Knock Sensor) Make Sure These Fit  
  • Buick 10456208
    SENSOR, ELECTRONIC SPARK CONTROL KNOCK
    $100.43
    $54.23
  • Buick 10456555
    SENSOR, IGNITION TIMER
    $59.96
    $32.38
  • Buick 25530325
    SENSOR, CAMSHAFT POSITION(3 PINION TERMINAL)(W/WIRE LEAD)(1 BOLT HOLE)
    Fitting Vehicle Options: W(L27)
    $70.71
    $38.18
  • Buick 12537111
    SENSOR, CRANKSHAFT POSITION
    Fitting Vehicle Options: W(L27)
    $78.46
    $42.37
  • Buick 10456019
    SENSOR, KNOCK(BUTTON TYPE TERMINAL)(1/4-18 THREAD)
    Fitting Vehicle Options: W(L27)
    $100.02
    $54.01
  •  
    SHIELD, Main Wiring Junction and Fuse Block Make Sure These Fit  
  • Buick 14100403
    SHIELD, FUSE BLOCK (UPPER) (1989-90)(1991 TYPE 1 VIN 400001-800000)
    --
    --
  • Buick 10136719
    SHIELD, FUSE BLOCK((1991)(1991 TYPE 2 VIN 800000 & GREATER))(LH0)
    --
    $15.66
  •  
    STUD Make Sure These Fit  
  • Buick 10048662
    STUD, ACCELERATOR CONTROL CABLE BRACKET
    --
    --
  • Buick 24500136
    STUD, PCV VALVE COVER(COVER TO INTAKE MANIFOLD INBOARD LOCATING)(M6X1X16,M6X1X14.7)(ALSO PART OF 21)
    --
    --
  •  
    STUD, Engine Front Cover Make Sure These Fit  
  • Buick 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
    $8.50
    $5.43
  • Buick 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,)
    --
    --
  • Buick 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
    --
    $17.04
  •  
    SWITCH, A/C Electric Temperature and Motor Control Make Sure These Fit  
  • Buick 10045778
    SWITCH, COMPRESSOR ENGINE COOLANT TEMPERATURE (1989 EXCEPT K06)
    $25.94
    $21.65
  • Buick 10045794
    SWITCH, COMPRESSOR ENGINE COOLANT TEMPERATURE (1989 K06)(1990)
    --
    --
  •  
    SWITCH, Engine Oil Pressure/Temperature Make Sure These Fit  
  • Buick 19244515
    SWITCH, OIL PRESSURE INDICATOR & FUEL PUMP (UH6)(1989-90)(1991 TYPE 1 VIN 400001-800000)
    $29.17
    $15.75
  • Buick 19244517
    SWITCH, OIL PRESSURE INDICATOR & FUEL PUMP (UH6)(1991)(1991 TYPE 2 VIN 800000 & GREATER)
    $29.72
    $16.05
  •  
    VALVE, Emission Control System Make Sure These Fit  
  • Buick 17112039
    VALVE, EGR (PRODUCT 17090077)(1989)
    --
    --
  • Buick 17091147
    VALVE, EGR (PRODUCT 17090077)(1990-91)
    $520.86
    $281.26
  •  
    VALVE, Engine Crankcase Make Sure These Fit  
  • Buick 25043843
    VALVE, CRANKCASE VENT (CV892C)
    --
    --
  • Buick 25043843
    VALVE, PCV(ALSO PART OF 21)(PCV VALVE IS FOR USE IN NON-RIVETED ROCKER ARM COVERS ONLY)
    Fitting Vehicle Options: W(L27)
    --
    --
  •  
    VALVE, Fuel Tank Evaporator/Purge Control Make Sure These Fit  
  • Buick 1997203
    VALVE, FUEL VAPOR CANISTER PURGE
    $48.63
    $26.27
  • Buick 25536881
    VALVE, EVAP EMISSION CANISTER PURGE SOLENOID
    Fitting Vehicle Options: W(L27)
    --
    --
  •  
    Standard Parts Make Sure These Fit  
  • Buick 11508202
    BOLT, HEX FLANGED HEAD (M10X1.5X20) 9.8 PHOSPHATE ZINC ORGANIC
    $1.18
    $0.75
  • Buick 11561025
    BOLT, HEX FLANGED HEAD (M6X1X16) 9.8 PHOSPHATE ORGANIC
    $0.74
    $0.47
  • Buick 11508600
    BOLT, HEX FLANGED HEAD (M6X1X20) 9.8 PHOSPHATE ZINC ORGANIC
    Replaced by: 11503782
    $4.81
    $3.07
  • Buick 11515756
    BOLT, HEX FLANGED HEAD (M8X1.25X16) 9.8 PHOSPHATE ZINC ORGANIC
    $1.55
    $1.00
  • Buick 11515756
    BOLT, HEX FLANGED HEAD (M8X1.25X20) 10.9 PHOSPHATE ORGANIC
    $1.55
    $1.00
  • Buick 11508476
    BOLT, HEX FLANGED HEAD (M8X1.25X25) 9.8 PHOSPHATE ORGANIC
    $0.95
    $0.62
  • Buick 10067660
    BOLT, HEX FLANGED HEAD (M8X1.25X45) 9.8 SST
    $8.45
    $5.40
  • Buick 11509418
    BOLT, HEXAGON (M8X1.25X30) 9.8 ZINC
    $5.63
    $3.60
  • Buick 11515755
    BOLT, HEXAGON W/CONICAL WASHER (M8X1.25X16) 9.8 PHOSPHATE ZINC ORGANIC
    $5.88
    $3.75
  • Buick 11515754
    BOLT, HEAVY HEXAGON HEAD,M8X1.25X12,18 O.D.,10.9,PHOSPHATE ZINC ORGANIC(FUEL VAPOR CANISTER PURGE SOLENOID VALVE)
    $5.88
    $3.75
  • Buick 11515756
    BOLT, HEX FLANGED HEAD, M8X1.25X20,17THD,18 O.D.,10.9,7114M(FUEL INJECTOR)
    $1.55
    $1.00
  • Buick 9440227
    BOLT, HEX FLANGED HEAD,5-16-18X1.25,.66 O.D.HEADER POINT,PO(INTAKE MANIFOLD)
    $5.49
    $3.51
  • Buick 11561025
    BOLT, HEX FLANGED HEAD,M6X1X16,13.5 THREAD,14.2 OUTSIDE DIAMETER,GMW25 STEEL,GMW3200,MACHINE,HEADER POINT(CRANKCASE CENT VALVE COVER)(ALSO PART OF 21)
    $0.74
    $0.47
  • Buick 11514623
    BOLT, HEXAGON W/CONICAL WASHER,M6X1X20(ENGINE WIRING HARNESS CLIP)
    $1.78
    $1.14
  • Buick 11509192
    BOLT, HEXAGON,W/FLAT WASHER,M5X0.8X20,FULL THREAD,14 O.D.,9.8,PHOSPHATE ELECTRO ORGANIC(ACCELERATOR CONTROL CABLE BRACKET)
    --
    $5.42
  • Buick 1470030
    CLAMP, WORM GEAR (15.7 TO 31.8) SST
    $4.40
    $2.96
  • Buick 11609970
    CLAMP, WORM GEAR,14.22-26.92 DIAMETER, 13.25 THICK, STAINLESS STEEL.(ALSO PART OF 67)(AS REQUIRED)
    $3.48
    $2.22
  • Buick 12126012
    CONNECTOR, WEATHER RESISTANT 3 WAY
    $48.28
    $26.07
  • Buick 9438257
    $76.65
    $48.93
  • Buick 9438315
    $145.19
    $92.69
  • Buick 9438257
    HOSE, 13MMX25',ROLL(FUEL VAPOR FRONT)
    $76.65
    $48.93
  • Buick 9438381
    HOSE, BULK 5/32X25FT(FUEL PRESSURE REGULATOR VACUUM)(ALSO PART OF 18 & 46)
    --
    $31.81
  • Buick 9438315
    HOSE, FUEL-OIL EVAP(FUEL VAPOR REAR)
    $145.19
    $92.69
  • Buick 11514596
    NUT, HEX FLANGED HEAD (M8X1.25) PHOSPHATE ELECTRO ORGANIC
    $4.54
    $2.79
  • Buick 11514527
    NUT, HEXAGON FLANGE (M5X0.8) 9 ZINC
    $4.66
    $2.96
  • Buick 11514596
    NUT, HEX FLANGED HEAD,M8X1.25,17.9 OUTSIDE DIAMETER,738 THICK,13MM HEXAGON,10, PHOSPHATE ZINC ORGANIC - FLAKE(THROTTLE BODY)(8.915)
    $4.54
    $2.79
  • Buick 11514527
    NUT, HEXAGON FLANGE M5X0.8 GRD 9 ZINC COATED (DIPPED OR PLATED)(ECM BRACKET)
    $4.66
    $2.96
  • Buick 11507095
    NUT, HEXAGON M6X1X5.5 9 PHOSPHATE ELECTRO ORGANIC(ELECTRONIC IGNITION MODULE)
    $0.41
    $0.26
  • Buick 9442370
  • Buick 12338139
    SCREW, HEX WASHER HEAD TAP (M6.3X1.81X13) PHOSPHATE ZINC ORGANIC
    --
    $0.91
  • Buick 12337828
    SCREW, HEXAGON W/FLAT WASHER,TAP,M6.3X1.81X20,13.2 O.D.,ALUMINUM BASECOAT POINT,STEEL,PZ0R(FUEL VAPOR CANISTER BRACKET)(AS REQUIRED)
    Replaced by: 22527475
    $1.08
    $0.68
  • Buick 12337820
    STRAP, 15" TIE STRAP(ELECTRONIC IGNITION MODULE WIRING HARNESS)
    $2.00
    $1.08
  • Buick 12548430
    TUBING, BRAKE,1/4" X 16 FT ROLL,STEEL(FUEL VAPOR)
    $45.11
    $28.80
  • Buick 12541500
    TUBING, SERVICE 5/16" COILED STEEL(25FT)(FUEL VAPOR)
    $42.49
    $27.13
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the lowest 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.
 
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This part contains hazardous material.

This part is a packaged part and contains multiple quantities of: (Pack Qty: 4)

This part is a packaged part and contains multiple quantities of the same item. In an effort to simplify packaging GM will sometimes include multiple parts in a package.