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GM Original Equipment
AC Delco switches are engineered to meet all the high standards set by the industry.
  • Optimizes engine performance by working with the vehicle's electronics closely
  • Tested under extreme and unusual conditions
  • Assured high quality and reliability for trouble-free operation and performance
Regular production option (RPO) codes designate the various features/options with which your vehicle was originally built. RPO codes are three characters long. The RPO code list will be on a sticker, sometimes referred to as the "Service Parts Identification" sticker.It is typically located in the glove box compartment or near the spare tire.

If the part listing designates an RPO code, look on your Service Parts sticker prior to ordering to ensure fit.

Example of a RPO / Service Parts ID sticker:
Alternate/OEM Part Number(s): 16189541

ACDELCO Warranty Information
Lifetime for ignition wires, gas-charged shocks & struts, belts, hoses, universal joints, steering racks & gears, and ACDelco Professional chassis parts. Limited lifetime wear-out warranty for DuraStop brake pads and shoes. All other DuraStop brake parts, carry a limited 12 months/12,000 mile warranty. 24 months/24,000 miles for load-carrying and air-adjustable shocks, steering dampers. 24 months/24,000 miles for Professional New and Reman Alternators and Starters purchased on or after 3/1/12. Limited Lifetime for Professional Reman Alternators and Starters purchased before 3/1/12. 3 Year for RapidFire Performance Spark Plugs, 100,000 miles for Professional Platinum Spark Plugs, 100,000 miles for Iridium Spark Plugs. Limited Lifetime for Radiators purchased on or after 1/1/2015. 12 months/12,000 miles for other parts. Warranty returns can not be processed without complete VIN information on return instructions. IMPORTANT A/C COMPRESSOR WARRANTY NOTE: If the A/C system or the vehicle is five years or older, ACDelco requires a system flush and proof of purchase of an A/C Orifice Tube or A/C Expansion Valve for an A/C Compressor warranty to be valid.
Warranty Details