12 Valve High Mount A/C bracket using GM alternator
DCS High Mount A/C is necessary for Chevy / GMC trucks that are 4WD with Independent Front Suspension (IFS) when using the DCS engine mounts.
If you do not have the upper water neck that is pointing straight up (#3285102), you will need to change to Cummins #3285102, DCS part 2624
If your lower water neck is not pointing down at a 45° angle you will need to change to Cummins #3934877, DCS part #3102 (Note: The included instructions will instruct you on how to make a modification to this lower water neck for A/C compressor clearance.)
Must have 2nd Gen or "New Style" Fan Hub. If you're not certain which fan hub you have please click the link below and scroll down the page a bit to see pictures for positive identification. https://www.dieselconversion.com/blog/cat/engine-information/post/Cummins-Engine-Information/
Alternator bracket is designed to fit 1996 – 2000 Vortec style alternator.
Will not fit 24 valve as configured.
|Make of Truck||Chevy/GMC|
|Year of Truck||1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999|
|Adaptable Engine||4BT, 12V 1st Gen- 1989-1993, 12V 2nd Gen- 1994-1998|