3038996, 3038988, 3038986

Get a look at the Parts Depot for an excellent selection of Cummins Idler Gears. All of the gears in our inventory are new, OEM, and ready to ship. Some of the hundreds of idler gear part numbers in our stock include: 

• 3038996 - 40 teeth
• 3038988 - 52 teeth
• 3038986 - 54 teeth

These gears work with several Cummins engine models:

• L10
• M11

Not the one that you need? We have more numbers available, so check our inventory for more gears. Have questions or need more information? Please call our friendly customer service staff at 800-743-3768.

To check our availability, login here or call us today!