Heavy Duty Truck Parts

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SKU: TRN03553

MAINSHAFT T2090 T2100 | 615-KC-4203, 615-KC-4203-E, 615KC4203A, MK-615-KC-4203, MK615KC4203, S-B825, SB825

Regular price $157.10
Shipping calculated at checkout.


If you need to order multiple parts, give us a call so our sales team can work to combine your order into fewer packages and save you money on shipping! 858-898-1558

Delivery and Shipping

This part typically ships within 1 to 2 business days.

This Manual Transmission Main Shaft is precision manufactured to OEM synchronizer, gear, and bearing specifications for smooth, notch-free gear engagement in commercial trucks.

Specifications

Warranty Period 1 Year or 100,000 Miles

Interchange / Cross-Reference Numbers

Brand Part Number
Mack 615-KC-4203
Mack 615-KC-4203-E
Mack 615KC4203A
Genuine Newstar MK-615-KC-4203
Mack MK615KC4203
Genuine Newstar S-B825
Genuine Newstar SB825

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