GM part # 12378396 if u have an automatic transfer case[[ states AUTO-4WD on push button]] recommended is to replace with gm s own --auto-trak II part# 123785078 its a synthetic blend [blue] about $12
GM PART NO. 12378396, WHICH IS REDDISH COLORED OR NEWER OIL IS BLUISH COLORED GM PART NO. 12378508, WHICH HAS MORE FRICTION MODIFIERS. WHILE YOU ARE DOING THE JOB, ALSO CHANGE THE DRAIN AND FILL PLUGS
...GM Part No. 12378396), which is a reddish colored fluid. GM has a new Auto Trak II Transfer Case Fluid (GM Part No. 12378508), which has a bluish color to it. The newer fluid has better friction ...
what oil is used in the trasfer case on a 2001 bravada Automatic Transfer Case Fluid (GM P/N 12378396 or equivalent)
what is the replacement fluid for transfer case fluid (GM part no. 12378396) for 2000 silverada Use only auto-trak II in automatic t-case . Use dextron III in manual t-case. You will need two qt.'s
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