Product Description
National extension housing seal kit, part number SX-8403, designed for GMC PM252 automatic transmissions from 1955 through 1958. New direct-replacement service kit supplied as a single-piece kit. Interchange numbers listed by the manufacturer include Timken, SKF, C433, VEMO, King, and 73-40. Made in the United States. Manufacturer warranty: 1 year.
Product Specifications
BrandNational
TypeAutomatic Transmission Extension Housing Seal Kit
Manufacturer Part NumberSX-8403 1958 1957 1956 1955 Automatic
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C433 VEMO King 73-40
Placement on VehicleTransmission > Service Kits
Compatible MakeGMC
Compatible ModelPM252
Compatible Year1958 1957 1956 1955
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal Kit
UPCDoes not apply
Country of OriginUnited States
Manufacturer Warranty1 Year
Interchange Part NumberTimken; SKF; C433; VEMO; King; 73-40
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description1 pc National Extension Housing Seal Kit
Country of OriginUnited States
UPCDoes not apply
Vehicle Fitment
Always compare the part number and listed specifications with your original part before ordering.