GASKET-PAN OIL 3762571 - Caterpillar

New 146-8147 Lifter Arm AssemblyAdaptable To: The new 146-8147 Lifter Arm Assembly is a direct replacement for the former 7W-3989 Lifter Arm Assembly. The former lifter arm assembly is canceled. The new 146-8147 Lifter Arm Assembly is used in the 7C-6078 Lifter Group in the above engines with mechanical unit injection and the 101-3263 Lifter Group in 3126 engines with Hydraulically Actuated Electronic Unit Injectors (HEUI). The new 146-8147 Lifter Arm Assembly is effective in the 101-3262 Lifter Group in the 128-7367 Engine Arrangement for 3126 HEUI (4CW240) Machine Engines. The chart shows the effectivity of the new 146-8147 Lifter Arm Assembly in the 7C-6078 Lifter Group on mechanically unit injected 3114, 3116, and 3126 machine engines.