ACDelco® 213-1231 - Professional™ Oxygen Sensor

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Product Details

ACDelco Parts and Accessories

Professional™ Oxygen Sensor (213-1231) by ACDelco®. Position: Upstream. If your O2 Sensor is not functioning properly, you are robbing yourself of performance and costing yourself money at the gas pump. Let ACDelco’s Professional Oxygen Sensors help. You can find an expanded line of oxygen sensors for most vehicles, both foreign and domestic, on the road today.


Position: Upstream
Connector Gender: Male
Wires Quantity: 3 Wire Leads
Connector Shape: Flat
Overall Length: 12.83"(326.0 mm)
Thread Diameter: 0.71"(18 mm)


  • ACDelco Professional Oxygen Sensors earn the name ACDelco by being put through a variety of tests, often under extreme and unusual conditions
  • Customers can receive better gas mileage with a properly working oxygen sensor
  • Detects oxygen content in the exhaust gases
  • The Powertrain Control Module (PCM) uses this input to optimize the combustion process and control exhaust emissions
  • Designed to meet rigorous OBD ll standards

ACDelco is here with excellent products that are available at a competitive price. The company does its utmost to provide the best possible solutions for your needs. All products by ACDelco are made with expert care and created by professionals to meet all your requirements. The company does not accept compromises when it is going about quality, so you can be sure that all products have only first-rate quality. With many years of manufacturing experience, ACDelco is the name you can trust.

ACDelco®, a brand of GM Customer Care and Aftersales, is a global automotive manufacturer of premium replacement parts for almost all vehicle systems as well as off-road, industrial, and marine equipment. With more than hundred years of manufacturing experience, the company offers an extensive line of brake pads and rotors, belts and hoses, shocks and struts, alternators and starters, thermostats and caps, fuel pumps, and many more trustworthy and top-quality products.

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Warranty Information

ACDelco warrants that its Products will be free from defects in material and workmanship for 12 Months/12,000 mile from the date of purchase by the Original Purchaser. This warranty does not apply to any Products that have been subjected to misuse, mishandling, misapplication, neglect (including but not limited to improper maintenance), improper installation, or alterations.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

Buick Regal
1993 Buick Regal
  • 3.1L With California Emissions
Chevy Astro
1994 Chevy Astro
1993 Chevy Astro
1992 Chevy Astro
Chevy Blazer
1994 Chevy Blazer
  • 5.7L Automatic Transmission
1993 Chevy Blazer
1992 Chevy Blazer
Chevy CK Pickup
1995 Chevy C2500
  • 4.3L
1994 Chevy CK Pickup
  • 4.3L
1994 Chevy CK Pickup
  • 5.0L / 5.7L Gas Automatic Transmission 4L60-E Transmission
Chevy Caprice
1993 Chevy Caprice
  • 4.3L
1992 Chevy Caprice
  • 4.3L
Chevy Corvette
1995 Chevy Corvette
  • ZR-1
1994 Chevy Corvette
  • ZR-1
1993 Chevy Corvette
  • ZR-1
1992 Chevy Corvette
  • ZR-1
1991 Chevy Corvette
  • J Engine VIN Character
1990 Chevy Corvette
  • J Engine VIN Character
Chevy G-Series
1994 Chevy G-Series
  • 4.3L
1993 Chevy G-Series
  • 4.3L
1992 Chevy G-Series
  • 4.3L
Chevy Lumina
1993 Chevy Lumina
  • 3.1L With California Emissions
Chevy P-Series
1994 Chevy P-Series
  • 4.3L
1993 Chevy P-Series
  • 4.3L
Chevy S-10 Blazer
1994 Chevy S-10 Blazer
  • 4.3L
1993 Chevy S-10 Blazer
  • 4.3L
1992 Chevy S-10 Blazer
  • 4.3L
Chevy S-10 Pickup
1995 Chevy S-10 Pickup
  • Z Engine VIN Character
1994 Chevy S-10 Pickup
  • 4.3L
1993 Chevy S-10 Pickup
  • 4.3L
1992 Chevy S-10 Pickup
  • 4.3L
Chevy Suburban
1994 Chevy C1500 Suburban / C2500 Suburban / K1500 Suburban / K2500 Suburban
  • 5.7L 4L60-E Transmission
GMC CK Pickup
1995 GMC C2500
  • 4.3L
1994 GMC C1500 / K1500 / K2500
  • 4.3L
1994 GMC CK Pickup
  • 5.0L / 5.7L 4L60-E Transmission
1994 GMC C2500
  • 4.3L
GMC G-Series
1994 GMC G-Series
  • 4.3L
1993 GMC G-Series
  • 4.3L
1992 GMC G-Series
  • 4.3L
GMC Jimmy
1994 GMC Jimmy
1993 GMC Jimmy
  • W Engine VIN Character
1992 GMC Jimmy
GMC P-Series
1994 GMC P-Series
  • 4.3L
1993 GMC P-Series
  • 4.3L
GMC Safari
1994 GMC Safari
1993 GMC Safari
1992 GMC Safari
GMC Sonoma
1995 GMC Sonoma
  • Z Engine VIN Character
1994 GMC Sonoma
  • 4.3L
1993 GMC Sonoma
  • 4.3L
1992 GMC Sonoma
  • 4.3L
GMC Suburban
1994 GMC Suburban
  • 5.7L 4L60-E Transmission
GMC Syclone
1991 GMC Syclone
GMC Typhoon
1993 GMC Typhoon
1992 GMC Typhoon
GMC Yukon
1994 GMC Yukon
  • 5.7L Automatic Transmission
1993 GMC Yukon
1992 GMC Yukon
Oldsmobile Bravada
1994 Oldsmobile Bravada
1993 Oldsmobile Bravada
1992 Oldsmobile Bravada
Oldsmobile Cutlass
1993 Oldsmobile Cutlass Supreme
  • T Engine VIN Character With California Emissions
Pontiac Grand Prix
1993 Pontiac Grand Prix
  • 3.1L With California Emissions

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It is neither inferred nor implied that any item sold by is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.