Please check fitment notes & description for accurate information.

1995-1996 Buick Century 2.2L

1985-1989 1992 Buick Century 2.5L

1986-1988 Buick Century 2.8L

1989 1992 Buick Century 3.3L

1986-1988 Buick Century 3.8L

1985 Buick Electra 5.0L

1983 Buick Skylark 2.5L

1983 Buick Skylark 2.8L

1981 Chevrolet Bel Air 4.4L

1985-1986 Chevrolet C20 4.3L

1985-1986 Chevrolet C20 4.8L

1985-1986 Chevrolet C20 5.0L

1985-1986 Chevrolet C20 5.7L

1985-1986 Chevrolet C20 7.4L

1989 Chevrolet C2500 4.3L

1989 1994-1995 Chevrolet C2500 5.0L

1989 1994-1995 Chevrolet C2500 5.7L

1994-1995 Chevrolet C2500 7.4L

1986 Chevrolet C30 4.8L

1986 Chevrolet C30 5.0L

1986 Chevrolet C30 5.7L

1986 Chevrolet C30 7.4L

1992-1995 Chevrolet C3500 5.7L

1992-1995 Chevrolet C3500 7.4L

1982-1983 Chevrolet Camaro 2.5L

1991-1992 Chevrolet Camaro 5.0L

1991-1993 Chevrolet Camaro 5.7L

1981 1985 Chevrolet Caprice 3.8L

1986-1989 Chevrolet Caprice 4.3L

1981 Chevrolet Caprice 4.4L

1981 1985-1993 Chevrolet Caprice 5.0L

1985- 1989 1991-1993 Chevrolet Caprice 5.7L

1983-1989 Chevrolet Cavalier 2.0L

1990 1995-1998 Chevrolet Cavalier 2.2L

1995 Chevrolet Cavalier 2.3L

1996-1998 Chevrolet Cavalier 2.4L

1985-1987 Chevrolet Cavalier 2.8L

1991-1993 Chevrolet G10 4.3L

1991-1993 Chevrolet G10 5.0L

1991-1993 Chevrolet G10 5.7L

1985-1993 Chevrolet G20 4.3L

1985-1995 Chevrolet G20 5.0L

1985-1995 Chevrolet G20 5.7L

1989-1991 Chevrolet R3500 5.7L

1990-1991 Chevrolet R3500 7.4L

1982 Chevrolet S10 1.9L

1982 Chevrolet S10 2.8L

1991 Chevrolet S10 4.3L

1985-1988 Chevrolet S10 Blazer 2.5L

1985-1989 Chevrolet S10 Blazer 2.8L

1988-1991 Chevrolet S10 Blazer 4.3L

1990-1991 Chevrolet Sprint 1.0L

1993-1994 Geo Metro 1.0L

1992-1994 Geo Metro 1.3L

1989-1992 GMC G2500 4.3L

1989-1992 GMC G2500 5.0L

1988-1992 GMC G2500 5.7L

1985-1989 1991-1993 GMC G3500 4.3L

1985-1995 GMC G3500 5.7L

1988-1995 GMC G3500 7.4L

1983-1984 GMC K1500 Suburban 5.0L

1983-1984 GMC K1500 Suburban 5.7L

1984 GMC K2500 Suburban 4.8L

1983-1984 GMC K2500 Suburban 5.7L

1993 GMC K2500 Suburban 7.4L

1985-1986 GMC K3500 4.8L

1985-1986 1988-1995 GMC K3500 5.7L

1985-1986 1988-1995 GMC K3500 7.4L

1985 GMC S15 1.9L

1985-1990 GMC S15 2.5L

1985-1990 GMC S15 2.8L

1988-1990 GMC S15 4.3L

1994-1998 GMC Sonoma 2.2L

1991-1993 GMC Sonoma 2.5L

1991-1993 GMC Sonoma 2.8L

1991 GMC Sonoma 4.3L

1982 Oldsmobile 98 5.0L

1991 Oldsmobile Cutlass Calais 3.3L

1993 Oldsmobile Cutlass Ciera 2.2L

1982-1992 Oldsmobile Cutlass Ciera 2.5L

1982-1989 Oldsmobile Cutlass Ciera 2.8L

1982-1985 Oldsmobile Cutlass Ciera 3.0L

1989-1993 Oldsmobile Cutlass Ciera 3.3L

1984-1988 Oldsmobile Cutlass Ciera 3.8L

1988-1989 Oldsmobile Cutlass Supreme 2.8L

1989-1990 Oldsmobile Cutlass Supreme 3.1L

1982 1985-1987 Oldsmobile Cutlass Supreme 3.8L

1982 Oldsmobile Cutlass Supreme 4.3L

1982 Oldsmobile Cutlass Supreme 4.4L

1982 1985-1987 Oldsmobile Cutlass Supreme 5.0L

1982 Oldsmobile Delta 88 3.8L

1982 Oldsmobile Delta 88 4.3L

1982 Oldsmobile Delta 88 4.4L

1982 Oldsmobile Delta 88 5.0L

1982-1983 Oldsmobile Firenza 1.8L

1983-1984 Oldsmobile Firenza 2.0L

1983 Oldsmobile Omega 2.5L

1990-1994 Oldsmobile Silhouette 3.1L

1992 Oldsmobile Silhouette 3.8L

1984-1988 1990-1991 Pontiac 6000 2.5L

1984-1989 Pontiac 6000 2.8L

1990-1991 Pontiac 6000 3.1L

1982-1983 Pontiac Bonneville 3.8L

1982 Pontiac Bonneville 4.1L

1980 Pontiac Bonneville 4.9L

1981 1983 Pontiac Bonneville 5.0L

1980 Pontiac Bonneville 5.7L

1980 Pontiac Catalina 4.9L

1981 Pontiac Catalina 5.0L

1980 Pontiac Catalina 5.7L

1980-1981 Pontiac Grand LeMans 3.8L

1980 Pontiac Grand LeMans 4.3L

1980 Pontiac Grand LeMans 4.9L

1980 Pontiac Grand LeMans 5.0L

Oxygen Sensor's Location:

How do I know the O2 sensor is good or not?

• Check engine light on

• A reduction in fuel economy.

• Your catalytic converter fails unexpectedly

• Exhaust emissions reach undesirable levels.

How to install the oxygen sensor?

Step 1 - Some sensors are equipped with a heat shield that must be removed before the sensor removal, this is performed by removing any mounting bolts.

Step 2 - By using a regular socket it minimizes potential damage to the sensor body and the threads, this technique helps avoid stripping the old sensor upon removal.

Step 3 - Then, locate and disconnect the wiring connector, this step should be done before removing the sensor if the wiring is still attached.

Step 4 - Its important that the wiring harness connectors are exactly the same, each sensor is unique to it's position and is located in the system by its connector configuration. (Note: some replacement sensors have a universal electrical connector that must be configured to the wiring of the old sensor.)

Step 5 - Use a small wire brush to help clean the threaded port to ensure a proper seal of the new sensor. Gently install the new oxygen sensor by hand while keeping the wiring and connector free from bends.

Step 6 - Gently tighten the sensor while keeping wiring free from damage, these sensors need to be fairly snug to avoid leakage.

Step 7 - Once the sensor is tightened, reinstall any heat shields or bracing that had to be removed.

Step 8 - After the heat shield has been reinstalled, mount the connector to it's holder and reattach the connector back onto the wiring harness. If the car has diagnostic trouble codes, they will need to be cleared.

Must Know Before Buying:

The following information is for instructional and guidance reference only. We try and make them as accurate as we can.

If Check Engine Light is on or an OBDII Trouble/Fault code occurs after installation, check the sensor with a voltmeter as below. 

If the sensor is good, further diagnosis is required. There're many different codes for specific functional failures, which are NOT necessarily relevant to the sensor. Find out what the Code means before leaving any feedbacks.

Items that have been installed, altered or contaminated are non-returnable.

1. ONLY a defective sensor after tested by a voltmeter is applied to manufacturer warranty.

2. 20% restocking fee is required if buyer bought wrong items due to not paying attention to fitment information and ask for return.

The Price, Quality & Functionality of the O2 Sensor is fully covered under our warranty & return policy. However, refund for any labor cost, expense in a dealer shop or damage due to wrong installation is NOT covered.