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

Product Overview

This aftermarket replacement vapor canister purge pump is intended for the listed 2021-2023 Chevrolet and GM applications, with cross-references to part numbers 12703879 and 25206066. A vapor canister purge pump moves fuel vapor from the canister into the engine intake so the stored vapor can be burned during normal combustion, supporting the evaporative emissions system. The unit is supplied for comparison with the referenced GM part numbers.

Key Features & Performance

• Functions within the evaporative emissions system to move stored fuel vapor toward the intake
• Supports the normal purge cycle used by the engine management system
• Cross-references part numbers 12703879 and 25206066 for comparison
• Intended for the listed 2021-2023 Chevrolet, GM, and Buick applications
• Serviced as a replacement for a worn, damaged, or malfunctioning purge pump

Fitment & Compatibility

• for 2021-2023 Chevrolet applications
• for 2021-2023 GM applications
• for 2021-2023 Buick applications

Common Uses

• Replacing a worn, damaged, or malfunctioning vapor canister purge pump
• Servicing the evaporative emissions system during routine maintenance
• Restoring normal purge function after the original component has failed

Technical Specifications

• Product Type: Vapor canister purge pump
• Part Number(s): 12703879, 25206066
• Reference Number(s): 12703879, 25206066
• Model Application(s): 2021-2023 Chevrolet, GM, and Buick models
• Vehicle Application(s): 2021-2023 Chevrolet, GM, and Buick vehicles

Frequently Asked Questions

Q: What does a vapor canister purge pump do? A: It moves fuel vapor from the evaporative emissions canister into the engine intake so the vapor can be drawn into the combustion process rather than released to the atmosphere.

Q: How should fitment be verified? A: Compare the existing part number on the current pump with 12703879 or 25206066, and confirm the complete vehicle model and model year before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.