The Eaton Fuller mainshaft overdrive gear, part number 21261, is a direct OEM replacement mainshaft gear for Fuller 11609 Series transmissions. This gear is cataloged under cross-reference numbers including 19638, 21261-SP, S-7887, and Navistar references 591878C1 and 591878C2, making it straightforward to confirm a match against existing purchase orders or parts records. Sold individually by Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission build before ordering.
Features
Mainshaft overdrive gear for Fuller 11609 Series transmissions
OEM Eaton Fuller part number 21261
Cross-references: 19638, 21261-SP, S-7887, 27201-5167
Compatible Navistar references: 591878C1, 591878C2
Sold as individual gear (each)
Additional cross-references include FUL21261, ZBF21261, and 35530358
Tech Specs
- Part Number: 21261
- Part Type: Mainshaft Overdrive Gear
- Application: Fuller 11609 Series Transmissions
- Cross-References: 19638, 21261-SP, 21261SP, S-7887, 27201-5167, 35530358, FUL21261, ZBF21261, 3892-B-5150, 3892-E-5231
- Navistar Cross-References: 591878C1, 591878C2
- Sell Pack: Each
