Product Description
New National transfer case output shaft seal (front) — manufacturer part number SX-CHA1. Designed as a direct replacement for International SM120 models from 1956–1957. Interchange references include Timken, SKF, C318, VEMO, King, and 53-51. Sold as a single genuine National seal.
Product Specifications
BrandNational
TypeTransfer Case Output Shaft Seal
Manufacturer Part NumberSX-CHA1 1957 1956 Gaskets Sealing
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C318 VEMO King 53-51
Placement on VehicleTransfer Case > Gaskets Sealing Systems
Compatible MakeInternational
Compatible ModelSM120
Compatible Year1957 1956
Core ChargeFree - No Core Charge
PositionFront
Fitment TypeDirect Replacement
Bundle Description1 pc Genuine National Transfer Case Output Shaft Seal
UPCDoes not apply
Country of OriginUnited States
Placement on VehicleTransfer Case > Gaskets Sealing Systems
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C318 VEMO King 53-51
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc Genuine National Transfer Case Output Shaft Seal
UPCDoes not apply
Country of OriginUnited States
Vehicle Fitment
| Year | Make | Model | Engine | Trim | Transmission |
|---|
| 1956 | International | SM120 | | | |
| 1957 | International | SM120 | | | |
Always compare the part number and listed specifications with your original part before ordering.