The Eaton Fuller Square Key, part number 21596, is a manual transmission synchro key used in Eaton Fuller heavy-duty transmission assemblies. This square key measures 0.25 in. x 0.25 in. x 3.5 in., making it a precise-fit component for manual transmission synchronizer applications. Cross-references include 21596-SP, 21596SP, and HF21596, among other interchange numbers. Pro Gear and Transmission carries genuine Eaton Fuller parts for fleet and shop needs. Not sure this is the right key for your application? Give us a call to confirm fit before ordering.
Features
Genuine Eaton Fuller part number 21596
Manual transmission square synchro key
Dimensions: 0.25 in. x 0.25 in. x 3.5 in.
Cross-references: 21596-SP, 21596SP, HF21596, 1116888, 1668132C1
Sold individually (each)
Tech Specs
- Part Number: 21596
- Cross References: 21596-SP or 21596SP, HF21596, 1116888, 1668132C1, 3088-21596 or 308821596, FUL21596
- Dimensions: 0.25 in. (H) x 0.25 in. (W) x 3.5 in. (L)
- Application: Manual Transmission Synchro Key
- Unit of Measure: Each
