1999-2006 GMC Sierra 1500 Transmission & Transfer Case

Gearbox and transfer case components fall under 1999-2006 GMC Sierra 1500 Transmission & Transfer Case that route power throughout your Sierra. Manual transmissions offer control while automatics provide convenience during driving.

 

Transmission type affects driving experience with manuals providing engagement while automatics offer convenience especially when towing. Transfer case ratios determine crawl capability with lower gearing improving technical terrain performance.

 

Transmissions are expensive to replace, so regular fluid changes prevent problems. While you're under there, 1999-2006 GMC Sierra 1500 Front Bumpers protect the front end. Breathe better with 1999-2006 GMC Sierra 1500 Cold Air Intakes. Reduce backpressure using 1999-2006 GMC Sierra 1500 Exhaust Systems.