604-106 HVAC Blend Door Actuator Replaces# 89018365 52402588 15-72971 Replacement for 1994-2012 Chevy Silverado 1500 & 2500, Tahoe, GMC Sierra Yukon sold2024 it is a rectangular socket

it is a rectangular socket hole

not easy to fragmentation

Crafted with a Rugged Steel Construction

preventing water snow or heavy rain leaking in

Grease seal 12192TB 1

604-106 HVAC Blend Door Actuator Replaces# 89018365 52402588 15-72971 Replacement for 1994-2012 Chevy Silverado 1500 & 2500, Tahoe, GMC Sierra Yukon sold2024 it is a rectangular socket604 106 HVAC Blend Door Actuator Replaces# 89018365 52402588 15 72971 Replacement for 1994 2012 Chevy Silverado 1500 & 2500, Tahoe, GMC Sierra Yukon Product Features Function: Replacement air door actuator controls the temperature of air from AC vents and recirculation outside air into the interior of the vehicle Compatibility: Compatible for a variety of Chevy, GMC, Cadillac, Buick, and Pontiac models including 2002 Silverado , Silverado 1999, Chevy