2003-2006 Chevrolet Silverado Blower Motor Options: 2311654 and 2311598
There are two gpd blower motor replacement options for the 2003-2006 Chevrolet Silverado due to a change in style during production. There are key differences between these blower motors that can be identified by looking at how the blower motor is mounted into the system.
- 2311654 will have a “turn in flange”. This blower motor has a twist and lock-in style motor housing.
- 2311598 will have a “bolt-on flange”. This blower motor has a bolt-in style motor housing.