The Eaton Fuller Auxiliary Mainshaft, part number 19281, is a genuine Fuller transmission shaft designed for the Fuller 11609 Series. This is the auxiliary section mainshaft, a critical rotating component in the rear (auxiliary) gearset of Fuller multi-speed transmissions. The NAVISTAR cross-reference number is 591862C1. Measured at 16.125 inches in length with a 3.25-inch profile, this shaft replaces the worn or damaged original in a direct, one-for-one fitment. Pro Gear and Transmission carries genuine Eaton Fuller drivetrain components. Call us to confirm proper fit for your specific transmission build before ordering.
Features
Genuine Eaton Fuller auxiliary mainshaft for the auxiliary gearset section
Part number 19281; alternate cross-reference NAVISTAR 591862C1
Designed for Fuller 11609 Series multi-speed transmissions
Shaft length: 16.125 inches; profile: 3.25 inches
Sold individually as a single unit replacement part
Available from Pro Gear and Transmission
Tech Specs
- Part Number: 19281
- Cross-Reference (Navistar): 591862C1
- Application: Fuller 11609 Series Transmissions
- Component Type: Auxiliary Mainshaft
- Length: 16.125 in.
- Profile (H x W): 3.25 in. x 3.25 in.
- Sell Pack: 1 Each
