Emission Components for 2021 Chevrolet Tahoe

Mount Bracket

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Canister Hose

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Purge Valve Retainer

Double & crew cab. 4.3, 5.3, 6.2L. Regular cab. 1.3l turbo, cvt. 3.6L. 4.2L twin-turbo. 2019. 2020. 2.4L 2012-13. With zr1. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

M.A.P Sensor

Without diesel, 4.8, 5.3 & 6.0L. Without diesel, 4.3L.

Upper Oxygen Sensor, Left

Silverado, sierra. 5.3l. Upper. Left. 4.3, 5.3, 6.2L, 5.3, 6.2L. Silverado, sierra. 6.2l. Silverado, sierra. 4.3l. 4.3, 5.3, 6.2L, 4.3L. This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle Detects oxygen content in the exhaust gases to help optimize emissions This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors

Vapor Canister Purge Solenoid

Silverado, sierra. 5.3l. Silverado, sierra. 2.7l. Without regular cab. Silverado, sierra. 6.2l. Silverado, sierra. 4.3l. 4.3, 5.3, 6.2L. Controls fresh air flow to the canister Sends fuel vapors to the engine for re-burn Helps control fuel tank pressure