Heavy Duty Truck Parts

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SKU: TRN02870

4TH GEAR M/S | 4303796, S-39314, S39314

Regular price $63.08
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 Gear is precision manufactured to OEM synchronizer, gear, and bearing specifications for smooth, notch-free gear engagement in commercial trucks.

Specifications

Gear Position 4th Gear
Tooth Quantity 19
Warranty Period 1 Year or 100,000 Miles

Interchange / Cross-Reference Numbers

Brand Part Number
Fuller- Transmissions 4303796
Genuine Newstar S-39314
Genuine Newstar S39314

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