Muncie part number 21T43218 is a hardened flat 1/2 inch washer used across several Muncie PTO-related assemblies, including the EX Drive shaft extension, the Titan EX Drive, and the Extended Shaft series. Muncie's own service parts documentation lists this washer in multiple assembly positions, including as a component of the EX Drive used with Allison 3000 and 4000 series transmissions. Because this washer appears in multiple assembly drawings under different position numbers, confirming your exact assembly and position before ordering is recommended. A genuine Muncie service part, available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Muncie part number 21T43218
Hardened flat washer, 1/2 inch
Appears in Muncie EX Drive shaft extension assembly (SP16-02 and SP21 series docs)
Also listed in Titan EX Drive (SP18-04) and Extended Shaft (SP13-05) service parts
Genuine Muncie service part for PTO assembly maintenance
