Glow Plug Relay 4 Pin GM Workhorse
Fits Lots Of GM V8 Engines Including 6.5 Diesel,
Check Out How Many Pins You Have As It Can Vary.
This Is A Four Pin Unit.
Others Available.
This Is A Non Returnable Item.
Alternate/OEM Part Number(s): 12040822, 12052153, 12088520, 12182099, 12496078, 212316, 212367.