The Fabco MS51831-104 or MS51831104 is a 3/8-16 thick wall insert key, supplied as a genuine OEM Fabco part through Meritor. Insert keys are precision-machined fastener components used in heavy-duty driveline and PTO assemblies to lock shafts, hubs, or gears in correct rotational alignment. The thick wall designation distinguishes this key from standard-wall versions, making proper part identification critical before ordering. Pro Gear and Transmission carries genuine Fabco parts for the commercial truck industry. Call us to confirm this is the correct insert key for your specific assembly before ordering.
Features
Genuine OEM Fabco part number MS51831-104 or MS51831104
3/8-16 thread specification
Thick wall construction, distinct from standard-wall insert key variants
Designed for heavy-duty driveline and PTO shaft assemblies
Sourced through Meritor Parts network
Tech Specs
- Part Number: MS51831-104 or MS51831104
- Description: Insert Key 3/8-16 Thick Wall
- Brand: Fabco
- OEM Status: Genuine OEM
