Description
MA5A – New genuine Cummins 3911678 dowel ring for the cylinder head on Cummins ISX engines. Sold individually. 1 in OEM package, 3 out of package (new).

OEM dowel pin, part number 3911678. Original packaging is not guaranteed. Sold individually.
4 in stock
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MA5A – New genuine Cummins 3911678 dowel ring for the cylinder head on Cummins ISX engines. Sold individually. 1 in OEM package, 3 out of package (new).
Product identification
Products explicitly described as “Genuine OEM” are genuine original equipment manufacturer parts. Other references to OEM names, part numbers, or model numbers are provided to identify compatibility and do not imply that a product is OEM.
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