Emission Controls fit your 1991 Oldsmobile 98

Currently shopping for

1991 Oldsmobile 98

Change Vehicle

Vehicle Options

6 Cyl 3.8L SFI, HO; 4-Speed Automatic Transmission, 4T60-E

Vehicle Options

6 Cyl 3.8L SFI, HO; 4-Speed Automatic Transmission, 4T60-E

Categories Close X

Currently selected

Fuel System, Exhaust, Emission System

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, Fascias

Front End Sheet Metal, Heater

Front Suspension, Steering

Interior Trim, Front Seat Trim, Seat Belts

Maintenance Parts, Fluids, Capacities, Electrical Connectors

Rear Glass, Seat Parts, Adjuster

Rear Seat Trim, Carpet

Starter, Generator, Ignition, Electrical, Lamps

Transmission - Automatic

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

How to use OE catalog

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

SENSOR, Coolant Temperature (Engine Unit)
15326386
SENSOR, ENGINE COOLANT TEMPERATURE GAGE(2-WAY MALE)(MATING CONNECT W/LEADS USE 88987993)(3.682)
Fitting Vehicle Options: C(U2A)
$46.88 $24.85
1
Add To Cart
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: C(L27,U2E,UB7)
$77.42 $43.16

15326386
SENSOR, Coolant Temperature (Engine Unit), SENSOR,ENGINE COOLANT TEMPERATURE(INTERFACES W/ECM)(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

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

RETAINER, Air Cleaner and Silencer
25043286
RETAINER, AIR CLEANER(PART OF 12)(AIR CLEANER (CALL OUT #12) #25098032 INCLUDES RETAINER #25043286 BUTTON DOESN'T INCLUDE RETAINER #24500186)(HINGED CLIP TYPE)(STAINLESS STEEL RETAINER)(3.410)
Fitting Vehicle Options: C(L27)
$19.65 $13.15
6
Add To Cart
25536302
RETAINER, AIR CLEANER(PART OF 12)(AIR CLEANER (CALL OUT #12) #25098032 INCLUDES RETAINER #25043286 BUTTON DOESN'T INCLUDE RETAINER #24500186)(4.2X1.41)(TAPPING NUT)(3.430)
- Fitting Vehicle Options: C
$9.90 $5.25
1
Add To Cart
24507224
RETAINER, AIR CLEANER(PART OF 12)(AIR CLEANER (CALL OUT #12) #25098032 INCLUDES RETAINER #25043286 BUTTON DOESN'T INCLUDE RETAINER #24500186)(THROUGH SNORKEL BRACKET ONTO EXISTING STUD)
- Fitting Vehicle Options: C

25043843
VALVE, Engine Crankcase, VALVE,PCV(ALSO PART OF 45)(PCV VALVE IS FOR USE IN NON-RIVETED ROCKER ARM COVERS ONLY)

19244519
SENSOR, Engine Oil Pressure/Temperature, SENSOR,FUEL PUMP SWITCH & ENGINE OIL PRESSURE GAGE(4 BLADE TERMINAL, 1/4-18 THREAD)
$41.64 $23.21

19244519
SENSOR, Fuel Pump Pressure, SENSOR,FUEL PUMP SWITCH & ENGINE OIL PRESSURE GAGE(4 BLADE TERMINAL, 1/4-18 THREAD)(1.800)
$41.64 $23.21

25553347
RELAY, Engine Air Cooling(Electrical), RELAY,FAN CONTROL(5-WAY MALE, CODE 3347)(MATING CONNECT USE 12101882)
$2.39 $1.52

BOLT, Intake & Exhaust Manifold
11508040
BOLT, INTAKE UPPER MANIFOLD(M8X1.25X25)(8.900)
Require Quantity: 08
Package Quantity: 1
$3.36 $2.13
24501552
BOLT, INTAKE UPPER MANIFOLD(HEX FLANGED HEAD,M8X1.25X66.4,27THD,15 OUTSIDE DIAMETER,9.8,PO,MACHINE)(M8X1.25X66.4,27 THREAD)

12554553
PIN, Engine Front Cover, PIN,(1/4 X 5/8)(INTAKE MANIFOLD LOCATING)(ALSO PART OF 45)(0.738)
- Require Quantity: 02
- Package Quantity: 1
$10.74 $6.74
1
Add To Cart

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

25536302
RETAINER, Air Cleaner and Silencer, RETAINER,AIR CLEANER(4.2X1.41)(TAPPING NUT)(3.430)
$9.90 $5.25
1
Add To Cart

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,INTAKE AIR TEMPERATURE(CODE HJ)(ALSO PART OF 12)
$43.00 $25.98
1
Add To Cart

25530733
RELAY, Fuel Pump, RELAY,FUEL PUMP(NO LOCKING TAB)(1.055)
$15.55 $10.40
1
Add To Cart

5617102
GASKET, Emission System, GASKET,OXYGEN SENSOR(FOR REPAIR PURPOSES)
$8.90 $4.95
1
Add To Cart

25535538
SHIELD, Shroud and Dash and Vent Duct Panel, SHIELD,FRONT COMPARTMENT REAR SIGHT(SEE GROUP 2.483 25601552 BRACKET.)

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

13586175
RETAINER, Chassis/Engine Wiring Harness, RETAINER,ENGINE WIRING HARNESS CONNECT(RED)(5-WAY FEMALE)(W/O LEADS)(USED W/12015860 TERMINAL)(2.530)
- Require Quantity: 02
- Package Quantity: 1
$8.90 $5.65
1
Add To Cart

1635540
STUD, Multi PORTION Fuel Injection Throttle Body, STUD,THROTTLE BODY(ALSO PART OF 45)(M8X1.25X40,9.8)(8.981)
- Require Quantity: 03
- Package Quantity: 1
$9.35 $5.94
1
Add To Cart

19259030
ELEMENT, Air Cleaner Intake, ELEMENT,AIR CLEANER
$19.94 $10.57
6
Add To Cart

19333510
SEALANT, Maintenance Products, SEALANT, GASKET MAKER (VIBRA-TITE 730)(1.69 OUNCE)(INTAKE MANIFOLD)(FOR REPAIR PURPOSES)
$37.70 $20.74
1
Add To Cart

19369733
ADHESIVE, Maintenance Products, ADHESIVE,THREADLOCKER(HIGH-STRENGTH)(HIGH-TEMPERATURE)(RED)(0.20 OUNCE)(INTAKE MANIFOLD BOLT)
$12.07 $6.48
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 45)
$0.35 $0.22
1
Add To Cart

SENSOR, Engine Oil Level
25537190
SENSOR, ENGINE OIL LEVEL(3 TERMINAL,M20X1.5-6G)(W/THREAD & PROBE LENGTH 26MM)
Fitting Vehicle Options: C(L27)(1ST DES)
$63.27 $31.37
1
Add To Cart
25609555
SENSOR, ENGINE OIL LEVEL(W/THREAD & PROBE LENGTH 77MM)(WHEN REPLACING 25550088 WITH 25609555 USE TOGETHER WITH 25609554)
- Fitting Vehicle Options: C(L27)(2ND DES)
$70.79 $35.10
1
Add To Cart

25609554
MODULE, Engine Oil Level, MODULE,ENGINE OIL LEVEL INDICATOR(WHEN REPLACING 25550088 WITH 25609554 USE TOGETHER WITH 25609555)
$90.99 $45.12
1
Add To Cart

88999178
MODULE, Emission Control System, MODULE,ENGINE CONTROL(16141470 LABELED)(REMANUFACTURE)(REMANUFACTURED-NOT FOR SALE WHERE IMPORTS ARE RESTRICTED)
$236.38 $132.96
1
Add To Cart

10048662
STUD, Accelerator Pedal Lever, STUD,ACCELERATOR CONTROL CABLE BRACKET(HEX FLANGED HEAD M10X1.5X20,M8X 1.25X15,21.5 O.D., 43.5 TOTAL LENGTH)

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

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)
- Require Quantity: 02
- Package Quantity: 1

12107275
HARNESS, Engine Wiring, HARNESS,ENGINE WIRING

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)

12377953
LUBRICANT, Maintenance Products, LUBRICANT,ANTI-SEIZE(DRY FILM),4 0Z.,BRUSH TOP CAN(FOR REPAIR PURPOSES)
- Replaced By: 88862477
$107.38 $59.88

12537111
SENSOR, Distributor (also Knock Sensor), SENSOR,CRANKSHAFT POSITION

EPROM, Emission Control System
16169578
EPROM, ECM(CODE 3123ASJD,4513AWCF,6713AWPU,0179AXDH)(PART OF 81)
Fitting Vehicle Options: C(L27,F17,NA5)
16169583
EPROM, ECM(CODE 0174AXDJ,4518AWCH,6719AWPW,6207ASJF)(PART OF 81)
- Fitting Vehicle Options: C(L27,F17,NB2)
16169588
EPROM, ECM(CODE 4525AWCJ,6727AWPX,6215ASJH,0169AXDK)(PART OF 81)
- Fitting Vehicle Options: C(L27,FW2,NA5)(EXC NM8)
16169593
EPROM, ECM(CODE 4525AWCJ,6727AWPX,0164AXDL)(PART OF 81)
- Fitting Vehicle Options: C(L27,FW2,NB2)
16169609
EPROM, ECM(CODE 6224ASJK,4535AWCL,6738AWPZ,0159AXDM)(PART OF 81)
- Fitting Vehicle Options: C(L27,FW2,NA5,M13)

17085935
CANISTER, Fuel Tank Evaporator/Purge Control, CANISTER,EVAP EMISSION

19333512
SEALANT, Maintenance Products, SEALANT,THREAD(VIBRA-TITE 420)(1.69 OUNCE(ENGINE OIL LEVEL INDICATOR SWITCH)
$28.71 $16.00

BRACKET, Emission Control System

20489161
BRACKET, ECM(W/2 STUDS)
25530108
BRACKET, ECM(3.672)

2077521
WASHER, Air Cleaner and Silencer, WASHER,FLAT 7/32X1/2X5/8 1050 CADMIUM HARD(AIR CLEANER)

22523204
BRACKET, Fuel Tank Evaporator/Purge Control, BRACKET,EVAP EMISSION CANISTER(RETAINER)

24500136
STUD, Engine Crankcase, STUD,PCV VALVE COVER(COVER TO INTAKE MANIFOLD INBOARD LOCATING(M6X1X16, M6X1X14.7)(ALSO PART OF 45)

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

24500344
SHIELD, Fuel Injection, SHIELD,FUEL INJECTOR SIGHT

24500537
COVER, Engine Crankcase, COVER,PCV VALVE(ALSO PART OF 45)

24500539
GASKET, Engine Crankcase, GASKET,PCV VALVE COVER(ALSO PART OF 45)

24500563
HARNESS, Evaporation Emission System(Fuel Tank End), HARNESS,AUTOMATIC TRANSMISSION VACUUM MOD & EVAP EMISSION CANISTER PURGE

24500563
HARNESS, Transmission Vacuum, HARNESS,AUTOMATIC TRANSMISSION VACUUM MOD & EVAP EMISSION CANISTER PURGE

24501293
MANIFOLD, Intake Manifold Vacuum, MANIFOLD,VACUUM SOURCE(ALSO PART OF 104)

SUPPORT, Generator Mounting
24501848
SUPPORT, GENERATOR(ALSO C3I MODULE)(2ND DESIGN PART IS USED ON ENGINES WITH ENGINE CODES HLB OR HJB AND HAVE HEATER PIPES WHICH POINT TO THE RIGHT SIDE OF THE VEHICLE)
Fitting Vehicle Options: C(L27)(2ND DES)
25536657
SUPPORT, GENERATOR(ALSO C3I MODULE)(USED ON ENGINES W/ENGINE CODES HLA OR HJA WITH HEATER PIPES THAT POINT TO THE REAR)
- Fitting Vehicle Options: C(L27)(1ST DES)

24502754
CLAMP, Air Cleaner Intake, CLAMP,REAR INTAKE AIR DUCT(TO AIR CLEANER END)
- Require Quantity: 02
- Package Quantity: 1

24504717
STUD, Engine Front Cover, 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))
- Require Quantity: 03
- Package Quantity: 1

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

25147224
CLEANER, Air Intake, CLEANER,AIR(INCLUDE 15,87)(COMPONENT PARTS SERVICED)(SEE GROUP 3.000 FOR DETAILED ILLUSTRATED VIEW)(AIR CLEANER ASM #25098032 INCLUDES RETAINER #25043286 BUTTON DOESN'T INCLUDE RETAINER #24500186)(INSIDE DIAMETER:AP)

25523507
RETAINER, Fuel Tank Evaporator/Purge Control, RETAINER,EVAP EMISSION CANISTER

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

25530972
VALVE, Fuel Tank Evaporator/Purge Control, VALVE,EVAP EMISSION CANISTER PURGE SOLENOID

25534756
SEAL, Engine Crankcase, SEAL,PCV VALVE(O'RING BY-PASS)(VALVE TO INTAKE MANIFOLD)(ALSO PART OF 45)

25535051
GASKET, Intake Manifold Vacuum, GASKET,VACUUM SOURCE MANIFOLD(HARNESS)(ALSO PART OF 104)

25535128
DUCT, Air Cleaner Intake, DUCT,REAR INTAKE AIR(SEE GROUP 3.000 FOR DETAILED ILLUSTRATED VIEW)

25535959
NUT, Shroud and Dash and Vent Duct Panel, NUT,FRONT COMPARTMENT REAR SIGHT SHIELD(M6X1)(WING)
- Require Quantity: 04
- Package Quantity: 1

25535963
RETAINER, Shroud and Dash and Vent Duct Panel, RETAINER,FRONT COMPARTMENT REAR SIGHT SHIELD
- Require Quantity: 02
- Package Quantity: 1

25553869
BRACKET, Emission Control System, BRACKET,ECM(19MM WIDE X 64MM LG)

25556910
BOLT, Emission Control System, BOLT,ECM BRACKET

25558053
BRACKET, Main Wiring Junction and Fuse Block, BRACKET,MULTIUSE RELAY(INSIDE OF CAR RIGHT SIDE)

25558818
CLIP, Early Fuel Evaporation, CLIP,EVAP EMISSION FRONT PIPE(ALSO PART OF 25)
- Require Quantity: 05
- Package Quantity: 1

25558828
PIPE, Early Fuel Evaporation, PIPE,EVAP EMISSION(INCLUDES 52)

25601552
BRACKET, Main Wiring Junction and Fuse Block, BRACKET,MULTIUSE RELAY & FUSE(INCLUDE 84 & 85)(SEE GROUP 12.804 FOR SHIELD 25535538.)

25606506
BRACKET, Main Wiring Junction and Fuse Block, BRACKET,MULTIUSE MODULE

25612159
SHIELD, Chassis/Engine Wiring Harness, SHIELD,ENGINE WIRING HARNESS

3069123
SEAL, Shroud and Dash and Vent Duct Panel, SEAL,FRONT COMPARTMENT REAR SIGHT SHIELD

11514596
NUT, HEX FLANGED HEAD,M8X1.25,17.9 OUTSIDE DIAMETER,738 THICK,13MM HEXAGON,10, PHOSPHATE ZINC ORGANIC - FLAKE(THROTTLE BODY)(8.915)
- Require Quantity: 03
- Package Quantity: 1
- Replaced By: 11610091
$10.24 $6.05
1
Add To Cart

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 Oldsmobile 98 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 3.8L. Model Code: REGENCY 4 DOOR, TOURING SEDAN.