GM 84412924 DEF Tank Heater Reservoir for 2012–2016 Silverado/Sierra LML Duramax

Description

Avoid limp mode and reduced engine power with this updated OEM GM DEF tank heater and level sensor assembly, a direct replacement for known failure-prone factory units.

When the DEF tank heater fails, your truck will set emissions-related fault codes and enter a reduced power condition. This genuine GM replacement restores DEF tank heating and level sensing functionality.

This unit includes both the heater element and the level sensor, pre-assembled and ready for installation.

Features & Benefits:
– Genuine OEM GM replacement part
– Includes integrated DEF heater and level sensor
– Updated design replaces failure-prone factory versions
– Direct-fit installation for 2012–2016 LML Duramax trucks
– Restores full emissions system performance

Fitment Applications:
2012–2016 Chevrolet Silverado 2500HD / 3500HD (6.6L LML Duramax Diesel)
2012–2016 GMC Sierra 2500HD / 3500HD (6.6L LML Duramax Diesel)

OEM Part Numbers:
GM #: 84412924
Replaces: 22872118, 22902620, 23379348

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