Part number lookup
3971520 Replacement Parts
Cross-reference and compare 2 replacement listings for OEM / aftermarket part number 3971520. Use this part-number page — not a generic equipment or brand hub — to review price, availability, and fitment before ordering.
2 Matching Products
Part Numbers and Cross References
Applications and Fitment Summary
- Cummins · ISDe
- Cummins · 5.9
- Cummins · 5.9L
- Cummins · 5.9B
- Cummins · 6B
- Cummins · 6BT
- Cummins · 6BTA
- Cummins · 6BTAA
- Cummins · s: For Cummins ISDe Engine Gear Accessory Drive- 6BT- 12V- 3971520, Suitable for upto 12 Valves Engine, 6 Cylinder, 5.9, 5.9L, 5.9B, 6B, 6BT, 6BTA, 6BTAA
Frequently Asked Questions
What parts replace OEM number 3971520?
This page lists 2 replacement listings indexed under 3971520. Compare cross references, applications, and pricing before ordering.
How do I confirm fitment for 3971520?
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 3971520 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.