Emission Controls fit your 1991 Pontiac LeMans

Currently shopping for

1991 Pontiac LeMans

Change Vehicle

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

Rear Glass, Seat Parts, Adjuster

Rear Seat Trim, Carpet

Starter, Generator, Ignition, Electrical, Lamps

Transmission - Automatic

Transmission - Manual

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

Parts Questions

Sort by:

Recommended

Part No. & Part Description

Price & Qty.

Part No. &
Part Description

SENSOR, Computer Control Sensors
12608814
SENSOR, ENGINE COOLANT TEMPERATURE(2-WAY FEMALE, M12X1.5 THREAD)(2 PINION CONNECTOR)(MATING CONNECT USE 88987993)(1.150)
Fitting Vehicle Options: T(L73)
$57.90 $30.69
1
Add To Cart
12569240
SENSOR, MAP
- Fitting Vehicle Options: T
$122.71 $61.84
1
Add To Cart
19211437
SENSOR, OXYGEN(POSITION 1)(IN EXHAUST MANIFOLD/CROSSOVER)(MATING CONNECT USE 12117385)
- Fitting Vehicle Options: T(L73)
$33.26 $18.54
90148828
SENSOR, VEHICLE SPEED(TRANS MOUNTED)(IDENTIFY: AA)(O-RING AND SEAL NOT REQUIRED)
- Fitting Vehicle Options: T(M21,M79)
90149079
SENSOR, VEHICLE SPEED(TRANS MOUNTED)(IDENTIFY: ALUMINUM DIPPED OR PAINTED)(O-RING AND SEAL NOT REQUIRED)
- Fitting Vehicle Options: T(MD9)

12337892
BOLT, Emission Control System, BOLT,ECM(M5X.8X16 THREAD)(SPECIAL)

94580644
RELAY, Fuel Pump, RELAY,FUEL PUMP(5 PINION)
$50.32 $31.98
1
Add To Cart

12085502
CONNECTOR, Computer Control Sensors, CONNECTOR,MAP SENS(GREEN)(3-WAY MALE)(W/LEADS)
$52.82 $27.98
1
Add To Cart

9281478
CONNECTOR, Early Fuel Evaporation, CONNECTOR,EVAP EMISSION CANISTER PURGE HOSE(3.278)
$3.91 $2.36
1
Add To Cart

11504614
NUT, Fuel Tank Evaporator/Purge Control, NUT,EVAP EMISSION CANISTER BRACKET(M5X0.8X5.3,19 O.D.)(HEXAGON W/CONICAL WASHER)(8.917)
$7.01 $4.24
1
Add To Cart

CLAMP, Engine Crankcase Ventilation
744245
CLAMP, PCV HOSE(14-44MM DIAMETER)(8.948)
Require Quantity: 02
Package Quantity: 20
$3.50 $2.34
20
Add To Cart
744245
CLAMP, PCV VALVE HOSE(14-44MM DIAMETER)(8.948)
$3.50 $2.34
20
Add To Cart

88999169
MODULE, Emission Control System, MODULE,ENGINE CONTROL(REMANUFACTURED-NOT FOR SALE WHERE IMPORTS ARE RESTRICTED)
$180.14 $96.42
1
Add To Cart

HOSE, Engine Crankcase Ventilation

90220616
HOSE, PCV VALVE(90 DEGREE)(23.5MM INSIDE DIAMETER)
$33.37
1
Add To Cart
90220867
HOSE, PCV(21.5MM INSIDE DIAMETER)

90244312
RELAY, Engine Air Cooling(Electrical), RELAY,FAN CONTROL
$18.76 $6.21
1
Add To Cart

EPROM, Emission Control System
16160757
EPROM, ECM(CODE 9949ASFL, 0758AXCC)
Fitting Vehicle Options: T(M21,M79,NA5)
16160762
EPROM, ECM(CODE 5966ARAW, 0763AXCD)
- Fitting Vehicle Options: T(M21,M79,NB2)
16160767
EPROM, ECM(CODE 9945ASFK, 0768AXCF)
- Fitting Vehicle Options: T(L73,MD9,NA5)
16160882
EPROM, ECM(CODE 9953ASFM, 0883AXJL)
- Fitting Vehicle Options: T(L73,MD9,NB2)

17075847
CANISTER, Fuel Tank Evaporator/Purge Control, CANISTER,EVAP EMISSION

3439088
SENSOR, Coolant Temperature (Engine Unit), SENSOR,ENGINE COOLANT TEMPERATURE GAGE(W/INDICATOR SWITCH)(1/8-27 THREAD)(1 BUTTON CONNECTOR)

90118461
FITTING, Intake Manifold Vacuum, FITTING,INTAKE MANIFOLD VACUUM

90200936
TUBE, Emission System, TUBE,MAP SENSOR VACUUM

90200943
GASKET, Air Cleaner and Silencer, GASKET,AIR CLEANER

90215042
STOVE, Air Cleaner Intake, STOVE,ENGINE AIR HEAT

90220930
WASHER, Air Cleaner and Silencer, WASHER,AIR CLEANER
- Require Quantity: 02
- Package Quantity: 1

90220931
SEAL, Air Cleaner and Silencer, SEAL,AIR CLEANER NUT
- Require Quantity: 02
- Package Quantity: 5

90225716
BRACKET, Computer Control Sensors, BRACKET,MAP SENSOR

90232147
CLEANER, Air Intake, CLEANER,AIR(COMPLETE)

90233026
TUBE, Air Cleaner Intake, TUBE,ENGINE AIR HEAT STOVE(50MM LONG)

90233642
STRAP, Fuel Tank Evaporator/Purge Control, STRAP,EVAP EMISSION CANISTER

90337070
RESISTOR, Engine Air Cooling(Electrical), RESISTOR,ENGINE COOLANT FAN

HARNESS, Chassis Wiring
90384789
HARNESS, ECM WIRING(USED TO REPLACE HARNESSES W/IDENTIFY 41,43,P5. WHEN REPLACING P5, MUST ALSO INSTALL OIL PRESSURE SWITCH 25036941.)
Fitting Vehicle Options: T(M21,M79)
90384790
HARNESS, ECM WIRING(USED TO REPLACE HARNESSES W/IDENTIFY 42,44,P6. WHEN REPLACING P6, MUST ALSO INSTALL OIL PRESSURE SWITCH 25036941.)
- Fitting Vehicle Options: T(L73,MD9)

90409814
BRACKET, Fuel Tank Evaporator/Purge Control, BRACKET,EVAP EMISSION CANISTER(REQUIRES 11504614 NUT (QTY 1) FOR INSTALLATION)

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 1991 Pontiac LeMans 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 1.6L. Model Code: 2 DOOR, 4 DOOR.