For 2021-2023 Chevrolet GM Buick etc Vapor Canister Purge Pump 12703879 25206066

Vapor Canister Purge Pump for Chevrolet, GM, Buick and More 12703879 25206066

This vapor canister purge pump replaces the emissions purge valve assembly on compatible GM vehicles, cross-referencing OEM part numbers 12703879 and 25206066 to keep the EVAP system sealed and functioning.

Overview

This vapor canister purge pump controls the flow of fuel vapor from the charcoal canister into the intake so the EVAP system can purge and burn stored vapors as intended. It is a direct replacement for the factory purge pump on many GM platforms, including Chevrolet and Buick models, and cross-references OEM numbers 12703879 and 25206066. It suits owners chasing check engine lights or failed emissions tests caused by a faulty purge valve.

Built For Performance

• Direct replacement cross-reference for OEM part numbers 12703879 and 25206066
• Electric purge pump design meets factory EVAP control requirements
• Sealed connector body resists fuel vapor exposure
• Mounting points match the original bracket locations
• Plug-in electrical connection for a straightforward swap

Fits These Machines

• for Chevrolet vehicles using purge pump 12703879 or 25206066
• for GM vehicles using purge pump 12703879 or 25206066
• for Buick vehicles using purge pump 12703879 or 25206066
• for 2021 to 2023 model year applications listed under these part numbers

On-The-Job Use

• Restoring EVAP purge function after a P0442, P0455, or P0496 code
• Passing state emissions testing with a working purge pump
• Replacing a purge valve that sticks open or fails to seal
• Routine emissions system repair on high mileage GM vehicles

Specs At A Glance

Good To Know

Q: How do I know if my purge pump is failing? A: Common signs include an illuminated check engine light, rough idle after refueling, or a failed EVAP monitor during emissions testing. A scan tool reading EVAP-related codes helps confirm the pump is the cause before replacement.

Q: Does this purge pump need programming after install? A: No, this is a mechanical and electrical replacement that does not require dealer programming. Clear the stored codes and run the EVAP monitor to confirm the repair.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.