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

Part No.
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  •  
    BRACKET, Main Wiring Junction and Fuse Block Make Sure These Fit  
  • BRACKET, MULTIUSE RELAY
    --
    --
  • BRACKET, MULTIUSE RELAY
    Fitting Vehicle Options: A
    --
    --
  •  
    CANISTER, Fuel Tank Evaporator/Purge Control Make Sure These Fit  
  • CANISTER, FUEL VAPOR W/PURGE CONTROL
    --
    --
  • CANISTER, EVAP EMISSION(CODE 17088095)
    Fitting Vehicle Options: A(LR8)
    --
    --
  •  
    CLIP, Early Fuel Evaporation Make Sure These Fit  
  • CLIP, EVAP EMISSION HOSE(PLASTIC)
    --
    --
  • CLIP, EVAP EMISSION HOSE(POSITIVE #19)(METAL)(3.120)
    $4.25
    $2.71
  •  
    DUCT, Air Cleaner Intake Make Sure These Fit  
  • DUCT, FRONT INTAKE AIR
    Fitting Vehicle Options: A(LR8)
    $4.65
    $3.12
  • DUCT, FRONT INTAKE AIR
    --
    --
  •  
    EPROM, Emission Control System Make Sure These Fit  
  • EPROM, ECM((9668ASJW)(1991))(LG7,MD9,NA5)
    --
    --
  • EPROM, ECM((9672ASJX)(1991))(LG7,MD9,NB2)
    --
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  • EPROM, ECM((9684ASKA)(1991))(LG7,NM8)
    --
    --
  • EPROM, ECM(3737ANWM)(1990)(MD9,FP3,NA5)
    --
    --
  • EPROM, ECM(3741ANWN)(1990)(MD9,FP3,NB2)
    --
    --
  • EPROM, ECM(3746ANWP)(1990)(ME9,FP3,FW2,NA5)
    --
    --
  • EPROM, ECM(3751ANWR)(1990)(ME9,FP3,FW2,NB2)
    --
    --
  • EPROM, ECM(CODE 2639ALCA,3901APXX,6033AWMA)(1989)(ME9)(*04)
    --
    --
  • EPROM, ECM(CODE 8883ASAT)
    Fitting Vehicle Options: A(LR8,NA5)
    $212.85
    $119.20
  • EPROM, ECM(CODE 8887ASAU)
    Fitting Vehicle Options: A(LR8,NB2)
    --
    --
  •  
    GASKET, Emission System Make Sure These Fit  
  • GASKET, EGR VALVE(USED WITH EGR VALVE HAVING ATTACHING BOLTS 58.0 MM APART)
    $1.55
    $0.87
  • GASKET, OXYGEN SENSOR
    $4.41
    $2.46
  •  
    GROMMET, Engine Crankcase Make Sure These Fit  
  • GROMMET, INTAKE MANIFOLD CRANKCASE VENT VALVE
    $4.66
    $2.97
  • GROMMET, PCV VALVE(TO ROCKER ARM COVER)
    Fitting Vehicle Options: A(LR8)
    Require Qty: 02
    Package Qty: 1
    --
    --
  •  
    HARNESS, Cruise Control Vacuum Make Sure These Fit  
  • HARNESS, VACUUM SOURCE
    --
    --
  • HARNESS, W/BRACKET KIT,VACUUM SOURCE (1989-90)
    --
    --
  •  
    HARNESS, Engine Wiring Make Sure These Fit  
  • HARNESS, ENGINE/ECM WIRING (2.480)
    $1669.11
    $1065.56
  • HARNESS, ENGINE WIRING
    Fitting Vehicle Options: A(LR8)
    --
    --
  •  
    HOSE, Engine Crankcase Ventilation Make Sure These Fit  
  • HOSE, CRANKCASE VENT
    --
    --
  • HOSE, PCV
    Fitting Vehicle Options: A(LR8)
    $12.08
    $7.71
  •  
    MODULE, Emission Control System Make Sure These Fit  
  • MODULE, ENGINE CONTROL(LABELED 1227748)(REMANUFACTURED-NOT FOR SALE WHERE IMPORTS ARE RESTRICTED)
    Fitting Vehicle Options: A(LR8)
    $189.57
    $151.16
  • MODULE, ENGINE CONTROL(REMANUFACTURE)
    --
    $242.47
  •  
    RELAY, A/C Electrical Make Sure These Fit  
  • RELAY, A.C. COMPRESSOR (1.055)
    $29.04
    $16.24
  • RELAY, A/C COMPRESSOR(5-PINION OVAL SHAPE)(1.055)
    Fitting Vehicle Options: A
    $29.04
    $16.24
  •  
    RELAY, Engine Air Cooling(Electrical) Make Sure These Fit  
  • RELAY, ENGINE COOLING FAN
    $29.04
    $16.24
  • RELAY, ENGINE COOLING FAN(V08)
    $29.04
    $16.24
  • RELAY, FAN CONTROL(5-PINION OVAL SHAPE)
    Fitting Vehicle Options: A
    $29.04
    $16.24
  •  
    RELAY, Fuel Pump Make Sure These Fit  
  • RELAY, FUEL PUMP (1.055)
    $29.04
    $16.24
  • RELAY, FUEL PUMP(5-PINION OVAL SHAPE)(1.055)
    Fitting Vehicle Options: A
    $29.04
    $16.24
  •  
    RETAINER, Cruise Control Make Sure These Fit  
  • RETAINER, CRUISE CONTROL VACUUM RELEASE VALVE
    --
    --
  • RETAINER, CRUISE CONTROL VACUUM RELEASE VALVE
    Fitting Vehicle Options: A
    --
    --
  •  
    RETAINER, Emission Control System Make Sure These Fit  
  • --
    --
  • RETAINER, ECM(PUSH-ON)(OVERALL LENGTH 1.25")
    Fitting Vehicle Options: A
    Require Qty: 02
    Package Qty: 1
    --
    --
  •  
    SENSOR, Computer Control Sensors Make Sure These Fit  
  • SENSOR, COOLANT TEMPERATURE (1.150)
    $34.78
    $19.45
  • SENSOR, EXHAUST OXYGEN
    $29.47
    $16.49
  • SENSOR, ENGINE COOLANT TEMPERATURE(2-WAY MALE)(INTERFACE W/ECM REQUIRED WHEN CHECK ENGINE LIGHT GOES W/CODES 14 OR 15)(2-WAY MALE)(MATING CONNECT W/LEADS USE 88987993)
    Fitting Vehicle Options: A(LR8)
    $34.78
    $19.45
  • SENSOR, EXHAUST OXYGEN(W/WIRE LEAD)(M18X1.5-6E)
    Fitting Vehicle Options: A(LR8)
    $29.47
    $16.49
  • SENSOR, MANIFOLD AIR TEMPERATURE(2 BLADE TERMINAL)(3/8-18 THREAD)
    Fitting Vehicle Options: A(LR8)
    $60.79
    $34.01
  • SENSOR, MAP
    Fitting Vehicle Options: A(LR8)
    $98.29
    $54.97
  •  
    SENSOR, Coolant Temperature (Engine Unit) Make Sure These Fit  
  • SENSOR, COOLANT TEMPERATURE GAGE(1 OR 2 BLADE TERMINAL,3/8-18)
    $49.23
    $27.53
  • SENSOR, ENGINE COOLANT TEMPERATURE GAGE(1 BLADE TERMINAL)(3/8-18 THREAD)
    Fitting Vehicle Options: A(LR8,LG7,U39)
    $49.23
    $27.53
  • SENSOR, ENGINE COOLANT TEMPERATURE(2-WAY MALE)(INTERFACE W/ECM REQUIRED WHEN CHECK ENGINE LIGHT GOES W/CODES 14 OR 15)(2-WAY MALE)(MATING CONNECT W/LEADS USE 88987993)(3.682)
    Fitting Vehicle Options: A(LR8)
    $34.78
    $19.45
  •  
    SWITCH, Engine Oil Pressure/Temperature Make Sure These Fit  
  • SWITCH, O/PRESSURE INDICATOR & FUEL PUMP (3 BLADE TERMINAL,1/4-18)
    $29.72
    $16.62
  • SWITCH, FUEL PUMP & ENGINE OIL PRESSURE INDICATOR(1/4-18 DRY SEAL THREAD)(3 BLADE TERMINAL)
    Fitting Vehicle Options: A(LR8)
    $29.72
    $16.62
  •  
    SWITCH, Steering Gear Oil Pressure Make Sure These Fit  
  • SWITCH, IDLE SPEED CONTROL P/S PRESSURE
    $59.79
    $33.49
  • SWITCH, IDLE SPEED CONTROL P/S PRESSURE
    Fitting Vehicle Options: A
    $59.79
    $33.49
  •  
    TUBE, Emission System Make Sure These Fit  
  • TUBE, EGR VALVE VACUUM
    $6.37
    $4.07
  • TUBE, MAP SENSOR VACUUM(3.682)
    $6.46
    $4.12
  •  
    TUBE, Engine Crankcase Ventilation Make Sure These Fit  
  • TUBE, CRANKCASE VENT
    --
    --
  • TUBE, PCV(COMPLETE)(COMPONENT PARTS SERVICED)(14 INCH LONG W/PCV)
    Fitting Vehicle Options: A(LR8)
    --
    --
  • TUBE, PCV(COMPONENT PARTS SERVICED)(CONSISTS OF A TUBE AND TWO CONNECTORS)
    Fitting Vehicle Options: A(LR8)
    $20.77
    $13.26
  •  
    VALVE, Engine Crankcase Make Sure These Fit  
  • VALVE, CRANKCASE VENT CONTROL(CV899C)
    $12.08
    $6.76
  • VALVE, PCV(CV895C)
    Fitting Vehicle Options: A
    --
    --
  •  
    Standard Parts Make Sure These Fit  
  • BOLT, HEX FLANGED HEAD,M8X1.25X30,28THD,18 O.D.,MACHINE POINT,10.9,7114M(ELECTRONIC IGNITION MODULE)
    $1.22
    $0.78
  • BOLT, W/CONICAL SPRING WASHER,M8X1.25X20,15.58THD,18 O.D.,9.8,ZO(CRANKCASE VENT TUBE SUPPORT)(1.270)
    $7.72
    $4.92
  • CLAMP, WORM GEAR,14.22-26.92 DIAMETER, 13.25 THICK, STAINLESS STEEL.(CRANKCASE VENT ELBOW)
    $3.48
    $2.22
  • CLAMP, WORM TYPE(11/16" TO 1 5/16")(AS REQUIRED)
    $4.40
    $2.95
  • HOSE, FUEL & OIL (7/32)(*02)
    --
    $27.47
  • NUT, HEXAGON FLANGE (M5X0.8) 9 ZINC
    $4.66
    $2.96
  • NUT, HEXAGON W/CONICAL WASHER (M6X1) 9 PHOSPHATE ELECTRO ORGANIC
    $0.57
    $0.37
  • NUT, HEXAGON FLANGE M5X0.8 GRD 9 ZINC COATED (DIPPED OR PLATED)(ECM)
    $4.66
    $2.96
  • NUT, PUSH IN,SQUARE,UN THREAD,M9.5 SQUARE HOLE,NYLON(AS REQUIRED)
    $1.85
    $1.19
  • NUT, PUSH IN,SQUARE,UN THREAD,M9.5 SQUARE HOLE,NYLON(FUEL VAPOR CANISTER RETAINER)
    $1.85
    $1.19
  • SCREW, HEX WASHER HEAD TAP M6.3X1.81X30 12.5-OUTSIDE DIAMETER ALUMINUM BASECOAT POINT PHOSPHATE ZINC ORGANIC(AS REQUIRED)
    $4.25
    $2.71
  • SCREW, HEXAGON W/FLAT WASHER,TAP,M6.3X1.81X20,13.2 O.D.,ALUMINUM BASECOAT POINT,STEEL,PZ0R(FRONT AIR INTAKE DUCT BRACKET)
    Replaced by: 22527475
    $1.08
    $0.68
  • TUBING, STEEL (1/4)(3.358)(*03)
    $45.11
    $28.80
  • WASHER, EXTERNAL TOOTHED LOCK,M8,15 O.D.,.85THK,STEEL,ZINC(ECM)
    $5.44
    $3.05
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the lowest prices for genuine 1991 Buick Century 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: 4 Cyl 2.5L, 6 Cyl 3.3L. Model Code: CUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR, SPECIAL 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.