Cummins 3963988 Sealing Washer

Compatible With 4BT3.9, 6BT5.9, ISB3.9, ISB4.5, QSB3.9, and QSB4.5 Engines

Genuine Cummins Part

OEM #: 3963988SKU: 3963988

Ships in 4-5 days

$7.65

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Special Order Item - not eligible for return

Quantity

This is a genuine Cummins Sealing Washer for 4BT3.9, 6BT5.9, ISB3.9, ISB4.5, QSB3.9 and QSB4.5 engines.

SKU	3963988
OEM Number	3963988
Part Type	Miscellaneous
OEM Brand	CUMMINS

Aftermarket warranty

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Genuine Cummins parts warranty

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Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.

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