Part number lookup
3939401 Replacement Parts
Cross-reference and compare 1 replacement listing for OEM / aftermarket part number 3939401. Use the product cards below to review price, availability, and fitment before ordering.
1 Matching Product
Part Numbers and Cross References
Applications and Fitment Summary
- Cummins · s : 4B3.9, 6C8.3, B3.3, 4BT3.9, 6BT, B4.5, ISB6.7, QSB6.7, ISB6.7 CM2350 B101, QSB6.7 CM2250
Frequently Asked Questions
What parts replace OEM number 3939401?
This page lists 1 replacement listing indexed under 3939401. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 3939401?
Match the stamped part number first, then verify machine model, engine code, serial number, mounting points, and photos of your old part before checkout.
Can I request a quote if 3939401 is not an exact match?
Yes. Use the fitment inquiry form with your machine plate, engine model, and photos. Support can review alternatives or cross references.