Buy Cadillac Oxygen Sensor - page 10

DensoPart # 234-2000

Denso 234-2000 Oxygen Sensor

3.86 Reviews

$49.99

Edit ZIP code

3-year warranty

90 days free return

Fits 1980-1980 American Motors AMX, 1980-1980 American Motors Concord, 1980-1980 American Motors Eagle, 1980-1980 American Motors Pacer, 1980-1980 American Motors Spirit, 1981-1981 American Motors Concord, 1981-1981 American Motors Eagle, 1981-1981 American Motors Spirit, 1982-1982 American Motors Concord, 1982-1982 American Motors Eagle, 1982-1982 American Motors Spirit, 1979-1979 Buick Century, 1979-1980 Buick LeSabre, 1979-1980 Buick Regal, 1979-1980 Buick Riviera, 1979-1980 Buick Skyhawk, 1979-1981 Buick Skylark, 1980-1980 Buick Century, 1980-1980 Buick Estate Wagon, 1980-1981 Buick Electra, 1981-1981 Buick Century, 1981-1981 Buick Century, 1981-1981 Buick Century, 1981-1981 Buick Century, 1981-1981 Buick Estate Wagon, 1981-1981 Buick LeSabre, 1981-1981 Buick LeSabre, 1981-1981 Buick LeSabre, 1981-1981 Buick Regal, 1981-1981 Buick Regal, 1981-1981 Buick Regal, 1981-1981 Buick Riviera, 1981-1981 Buick Riviera, 1981-1981 Buick Riviera, 1982-1982 Buick Skyhawk, 1980-1981 Cadillac DeVille, 1980-1981 Cadillac DeVille, 1980-1981 Cadillac Eldorado, 1980-1981 Cadillac Fleetwood, 1980-1981 Cadillac Fleetwood, 1980-1981 Cadillac Seville, 1980-1984 Cadillac Commercial Chassis, 1981-1981 Cadillac Eldorado, 1981-1981 Cadillac Seville, 1982-1982 Cadillac DeVille, 1982-1982 Cadillac DeVille, 1982-1982 Cadillac Eldorado, 1982-1982 Cadillac Eldorado, 1982-1982 Cadillac Fleetwood, 1982-1982 Cadillac Fleetwood, 1982-1982 Cadillac Fleetwood, 1982-1982 Cadillac Seville, 1982-1982 Cadillac Seville, 1983-1984 Cadillac DeVille, 1983-1984 Cadillac Eldorado, 1983-1984 Cadillac Fleetwood, 1983-1984 Cadillac Fleetwood, 1983-1984 Cadillac Seville, 1986-1986 Cadillac Fleetwood, 1987-1987 Cadillac Fleetwood, 1987-1992 Cadillac Allante, 1987-1992 Cadillac Eldorado, 1988-1992 Cadillac Fleetwood, 1988-1992 Cadillac Seville, 1988-1993 Cadillac DeVille, 1993-1993 Cadillac 60 Special, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville, 1994-1995 Cadillac DeVille, 1979-1979 Chevrolet El Camino, 1979-1979 Chevrolet Monte Carlo, 1979-1979 Chevrolet Monza, 1979-1981 Chevrolet Malibu, 1980-1980 Chevrolet Caprice, 1980-1980 Chevrolet Chevette, 1980-1980 Chevrolet Monte Carlo, 1980-1980 Chevrolet Monza, 1980-1981 Chevrolet Camaro, 1980-1981 Chevrolet Citation, 1980-1981 Chevrolet Corvette, 1980-1981 Chevrolet El Camino, 1980-1981 Chevrolet Impala, 1980-1981 Chevrolet LUV, 1980-1981 Chevrolet Malibu, 1980-1981 Chevrolet Malibu, 1980-1981 Chevrolet Malibu, 1981-1981 Chevrolet Bel Air, 1981-1981 Chevrolet Caprice, 1981-1981 Chevrolet Caprice, 1981-1981 Chevrolet Caprice, 1981-1981 Chevrolet Chevette, 1981-1981 Chevrolet Monte Carlo, 1981-1981 Chevrolet Monte Carlo, 1981-1981 Chevrolet Monte Carlo, 1998-2000 Chevrolet Camaro, 2000-2001 Chevrolet Cavalier, 2000-2003 Chevrolet S10, 2002-2002 Chevrolet Cavalier, 1999-2002 Daewoo Lanos, 1999-2002 Daewoo Leganza, 1999-2002 Daewoo Nubira, 1989-1989 Dodge Colt, 1989-1989 Dodge Raider, 1989-1990 Dodge Colt, 1989-1991 Dodge Colt, 1990-1990 Dodge Colt, 1990-1990 Dodge Ram 50, 1991-1991 Dodge Colt, 1991-1991 Dodge Ram 50, 1991-1992 Dodge Colt, 1992-1992 Dodge Ram 50, 1993-1993 Dodge Colt, 1993-1993 Dodge Ram 50, 1994-1994 Dodge Colt, 1994-1994 Dodge Colt, 1989-1989 Eagle Summit, 1989-1990 Eagle Vista, 1989-1991 Eagle Vista, 1990-1990 Eagle Summit, 1990-1990 Eagle Summit, 1990-1990 Eagle Summit, 1990-1990 Eagle Vista, 1991-1991 Eagle Vista, 1991-1992 Eagle Summit, 1991-1992 Eagle Vista, 1993-1993 Eagle 2000 GTX, 1993-1993 Eagle Summit, 1993-1994 Eagle Talon, 1994-1994 Eagle Summit, 1994-1994 Eagle Summit, 1979-1981 GMC Caballero, 2000-2003 GMC Sonoma, 1990-1992 Geo Prizm, 1995-1995 Geo Prizm, 1996-1997 Geo Prizm, 1989-1989 Hyundai Sonata, 1990-1991 Hyundai Excel, 1990-1991 Hyundai Sonata, 1991-1992 Hyundai Scoupe, 1992-1992 Hyundai Excel, 1993-1995 Hyundai Scoupe, 1993-1995 Hyundai Scoupe, 1980-1980 Jeep CJ5, 1980-1980 Jeep CJ7, 1980-1980 Jeep Cherokee, 1980-1980 Jeep J10, 1980-1980 Jeep Wagoneer, 1980-1982 Jeep CJ5, 1980-1982 Jeep CJ7, 1981-1982 Jeep Scrambler, 1990-1991 Lexus ES250, 1990-1994 Lexus LS400, 1989-1993 Mazda B2600, 1989-1994 Mazda MPV, 1990-1993 Mazda B2200, 1988-1988 Mitsubishi Galant, 1989-1989 Mitsubishi Mirage, 1989-1989 Mitsubishi Montero, 1989-1990 Mitsubishi Sigma, 1989-1992 Mitsubishi Galant, 1990-1990 Mitsubishi Eclipse, 1990-1990 Mitsubishi Mighty Max, 1990-1990 Mitsubishi Mirage, 1990-1991 Mitsubishi Precis, 1991-1992 Mitsubishi Mighty Max, 1991-1992 Mitsubishi Mirage, 1991-1994 Mitsubishi Eclipse, 1992-1992 Mitsubishi Expo, 1992-1992 Mitsubishi Expo LRV, 1992-1992 Mitsubishi Precis, 1993-1993 Mitsubishi Expo, 1993-1993 Mitsubishi Expo LRV, 1993-1993 Mitsubishi Galant, 1993-1993 Mitsubishi Mirage, 1993-1994 Mitsubishi Mighty Max, 1995-1995 Mitsubishi Mighty Max, 1979-1979 Oldsmobile Cutlass Salon, 1979-1980 Oldsmobile 98, 1979-1980 Oldsmobile Custom Cruiser, 1979-1980 Oldsmobile Cutlass, 1979-1980 Oldsmobile Cutlass Calais, 1979-1980 Oldsmobile Cutlass Supreme, 1979-1980 Oldsmobile Delta 88, 1979-1980 Oldsmobile Starfire, 1979-1980 Oldsmobile Toronado, 1979-1981 Oldsmobile Omega, 1980-1980 Oldsmobile Cutlass Cruiser, 1980-1980 Oldsmobile Cutlass Salon, 1980-1980 Oldsmobile Cutlass Salon, 1980-1980 Oldsmobile Cutlass Salon, 1981-1981 Oldsmobile 98, 1981-1981 Oldsmobile 98, 1981-1981 Oldsmobile Custom Cruiser, 1981-1981 Oldsmobile Cutlass, 1981-1981 Oldsmobile Cutlass, 1981-1981 Oldsmobile Cutlass, 1981-1981 Oldsmobile Cutlass Calais, 1981-1981 Oldsmobile Cutlass Calais, 1981-1981 Oldsmobile Cutlass Cruiser, 1981-1981 Oldsmobile Cutlass Cruiser, 1981-1981 Oldsmobile Cutlass Cruiser, 1981-1981 Oldsmobile Cutlass Supreme, 1981-1981 Oldsmobile Cutlass Supreme, 1981-1981 Oldsmobile Delta 88, 1981-1981 Oldsmobile Delta 88, 1981-1981 Oldsmobile Delta 88, 1981-1981 Oldsmobile Delta 88, 1981-1981 Oldsmobile Toronado, 1981-1981 Oldsmobile Toronado, 1982-1982 Oldsmobile Firenza, 2000-2001 Oldsmobile Alero, 1989-1989 Plymouth Colt, 1989-1990 Plymouth Colt, 1989-1991 Plymouth Colt, 1990-1990 Plymouth Colt, 1990-1990 Plymouth Laser, 1991-1991 Plymouth Colt, 1991-1992 Plymouth Colt, 1991-1994 Plymouth Laser, 1993-1993 Plymouth Colt, 1994-1994 Plymouth Colt, 1994-1994 Plymouth Colt, 1979-1979 Pontiac Bonneville, 1979-1979 Pontiac Bonneville, 1979-1979 Pontiac Catalina, 1979-1979 Pontiac Catalina, 1979-1979 Pontiac Catalina, 1979-1979 Pontiac Catalina, 1979-1979 Pontiac Firebird, 1979-1979 Pontiac Firebird, 1979-1979 Pontiac Firebird, 1979-1979 Pontiac Firebird, 1979-1979 Pontiac Grand Am, 1979-1979 Pontiac Grand Am, 1979-1979 Pontiac Grand LeMans, 1979-1979 Pontiac Grand LeMans, 1979-1979 Pontiac Grand LeMans, 1979-1979 Pontiac Laurentian, 1979-1979 Pontiac Laurentian, 1979-1979 Pontiac LeMans, 1979-1979 Pontiac LeMans, 1979-1979 Pontiac LeMans, 1979-1979 Pontiac LeMans, 1979-1979 Pontiac Parisienne, 1979-1979 Pontiac Parisienne, 1979-1979 Pontiac Phoenix, 1979-1979 Pontiac Sunbird, 1979-1979 Pontiac Sunbird, 1979-1980 Pontiac Bonneville, 1979-1980 Pontiac Catalina, 1979-1980 Pontiac Grand Am, 1979-1980 Pontiac Grand Prix, 1979-1980 Pontiac Laurentian, 1979-1980 Pontiac Parisienne, 1979-1980 Pontiac Sunbird, 1979-1980 Pontiac Sunbird, 1979-1981 Pontiac Firebird, 1979-1981 Pontiac Grand LeMans, 1979-1981 Pontiac LeMans, 1980-1980 Pontiac Acadian, 1980-1981 Pontiac Phoenix, 1981-1981 Pontiac Acadian, 1981-1981 Pontiac Bonneville, 1981-1981 Pontiac Bonneville, 1981-1981 Pontiac Bonneville, 1981-1981 Pontiac Catalina, 1981-1981 Pontiac Catalina, 1981-1981 Pontiac Catalina, 1981-1981 Pontiac Catalina, 1981-1981 Pontiac Grand Prix, 1981-1981 Pontiac Grand Prix, 1981-1981 Pontiac Grand Prix, 1981-1981 Pontiac Laurentian, 1981-1981 Pontiac Laurentian, 1981-1981 Pontiac Laurentian, 1981-1981 Pontiac Laurentian, 1981-1981 Pontiac Parisienne, 1981-1981 Pontiac Parisienne, 1981-1981 Pontiac Parisienne, 1981-1981 Pontiac Parisienne, 1981-1981 Pontiac T1000, 1982-1982 Pontiac J2000, 1998-2000 Pontiac Firebird, 2000-2001 Pontiac Grand Am, 2000-2001 Pontiac Sunfire, 2002-2002 Pontiac Sunfire, 2000-2000 Saturn LS, 2000-2000 Saturn LS1, 2000-2000 Saturn LW1, 2001-2001 Saturn L100, 2001-2001 Saturn L200, 2001-2001 Saturn LW200, 1988-1991 Toyota Camry, 1989-1989 Toyota Celica, 1989-1989 Toyota Celica, 1989-1991 Toyota Corolla, 1990-1991 Toyota Camry, 1990-1991 Toyota Camry, 1990-1991 Toyota Celica, 1991-1995 Toyota MR2, 1992-1993 Toyota Camry, 1992-1993 Toyota Celica, 1994-1996 Toyota Camry, 1994-1997 Toyota Celica, 1995-1995 Toyota Corolla, 1996-1996 Toyota Celica, 1996-1997 Toyota Celica, 1996-1997 Toyota Corolla, 1996-1997 Toyota RAV4, 1997-1999 Toyota Paseo, 1997-1999 Toyota Tercel, 1998-1999 Toyota Celica

Add Trim and Engine info to ensure a guaranteed fit

Vehicle: Cadillac

Quantity1

Item LocatedUnited States

Part interchange

234-2000, 12043, 12019, 12023, 12041, 13928, 12109, 12053,

item #1002HRLR

Show less

Symptoms of a Bad Oxygen Sensor

Check Engine Light is the most common sign with trouble codes like P0130-P0167, poor fuel economy means the engine burns more fuel than necessary leading to lower MPG, and rough idle with engine misfires from imbalanced air-fuel mixture, plus increased emissions causing failed smog tests. These symptoms start small but get worse fast.

A bad O2 sensor causes rough idle and loss of engine power, along with poor acceleration, engine misfires, and even stalling since bad oxygen sensors disrupt essential engine functions including timing, combustion intervals, and air-fuel ratio. Your fuel economy can drop 20-40% when sensors fail.

Watch For These Warning Signs:

? Check engine light: Codes P0130-P0167 mean sensor problems

? Terrible gas mileage: 20-40% worse fuel economy overnight

? Rough idle: Engine shakes, stalls, or surges at stop lights

? Failed emissions: Won't pass smog test, can't register your vehicle

? Rotten egg smell: Catalytic converter overheating from bad fuel mixture

How Much Does O2 Sensor Replacement Cost?

Professional oxygen sensor replacement typically costs between $150 and $600 depending on labor rates and your vehicle's make and model, and timely replacement not only restores performance but prevents further damage. Most of that cost is labor and dealer markups.

We sell direct to you at $24.99 to $59.99 per sensor?that's OEM quality at 50-75% off dealer prices. You save $100-$500 depending on how many sensors your car has. Most vehicles have 2-4 oxygen sensors total. Replacing them yourself takes 30 minutes with basic tools, or your mechanic can install ours for just the labor cost.

Sensor Position	What It Does	Our Price
Upstream (Pre-Cat)	Controls real-time fuel mixture	$24.99-$59.99
Downstream (Post-Cat)	Monitors catalytic converter	$24.99-$59.99

Sensor Position

What It Does

Our Price

Upstream (Pre-Cat)

Controls real-time fuel mixture

$24.99-$59.99

Downstream (Post-Cat)

Monitors catalytic converter

$24.99-$59.99

What Does the O2 Sensor Do in a Car?

Your oxygen sensors sit in your exhaust system measuring oxygen levels in the exhaust gases. They send voltage signals to your engine computer?0.1 volts when there's too much oxygen (lean), 0.9 volts when there's too little (rich). Your computer reads these signals and adjusts fuel injection to keep your engine running at peak efficiency.

Oxygen sensors are not components that need regular servicing or replacement like brake pads or motor oil, typically lasting anywhere between 30,000 to 100,000 miles and should be replaced as soon as they fail. When they do fail, replace them immediately to avoid catalytic converter damage.

Fix Your Fuel Economy Today

O2 sensors for 16,399+ vehicles | From $24.99

Shop Now

Frequently Asked Questions

Can I drive with a bad O2 sensor?

While you can drive with a faulty oxygen sensor temporarily, doing so for extended periods can damage your catalytic converter and engine. The sensor failure causes rich fuel mixture that destroys your cat?a $1,000-$2,500 repair. Replace the sensor now before it costs you thousands.

How many O2 sensors does my car have?

Many standard vehicles come with at least two oxygen sensors. V6 and V8 engines typically have 4 sensors?one before and one after the catalytic converter on each bank. Check your service manual or contact us with your vehicle info and we'll tell you exactly how many you need.

Should I replace all O2 sensors at once?

If one sensor fails, the others are probably close behind since they all have similar wear. Replacing all sensors at once prevents you from paying labor twice. We offer great prices on sensor sets?buy multiple and save even more than replacing one at a time.

Will a new O2 sensor fix my check engine light?

A failing oxygen sensor is one of the most common reasons for a check engine light, and if the sensor sends wrong readings, the engine control unit will log an error and turn on the light. Replace the bad sensor, clear the codes with an OBD scanner, and the light should stay off.

Do your sensors work as well as OEM parts?

Our sensors use the same zirconia ceramic elements and platinum electrodes as factory parts. They're built to OEM specifications and carry a 3-year warranty?that's longer than most dealer warranties. You get identical performance and reliability at fraction of the price.

Oxygen Sensor

Oxygen Sensors Starting at $24.99

Symptoms of a Bad Oxygen Sensor

Watch For These Warning Signs:

How Much Does O2 Sensor Replacement Cost?

What Does the O2 Sensor Do in a Car?

Fix Your Fuel Economy Today

Frequently Asked Questions

Can I drive with a bad O2 sensor?

How many O2 sensors does my car have?

Should I replace all O2 sensors at once?

Will a new O2 sensor fix my check engine light?

Do your sensors work as well as OEM parts?

Shop By Cadillac Models

Shop By Cadillac Years