Description
MA5G – New AFA Industries oil fill access hole cover, part number A3903463. A direct replacement for Cummins 3903463, it covers the accessory access hole in the front gear housing on Cummins 4B, 6B, 6C, ISC and ISL engines where no mechanical tachometer drive or front oil fill is used. Seals with Cummins rectangular seal ring 3903475. Backed by AFA’s 24-month warranty.
Cross-references: Cummins 3903463, AFA A3903463, M3903463, PAI 042018.
Photo shows the equivalent 3903463 cover.
Confirm fitment by original part number before ordering.



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