Product Description
Cummins Oil Filler Tube O-Ring 3685701 is a replacement sealing ring for the oil filler assembly on compatible Cummins diesel engines.
Designed to provide a secure seal at the oil filler tube connection, this O-ring helps prevent engine oil leaks and maintain proper sealing during normal engine operation.
Used in select Cummins ISX12 and ISX15 engine configurations. Suitable for replacing worn, damaged, or deteriorated seals during engine maintenance and repairs.
Verify compatibility with your engine serial number before ordering.
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