Product Description
National 2-piece transfer case input shaft seal kit, MPN SX-YA7Y. Designed as a direct replacement for the transfer case input shaft on compatible GMC V3500 models from 1987 through 1991. Interchange references include Timken, SKF, C661, VEMO, and King 71-45.
Product Specifications
BrandNational
TypeTransfer Case Input Shaft Seal
Manufacturer Part NumberSX-YA7Y 1991 1990 1989 1988 1987
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C661 VEMO King 71-45
Placement on VehicleTransfer Case > Gaskets Sealing Systems
Compatible MakeGMC
Compatible ModelV3500
Compatible Year1991 1990 1989 1988 1987
Core ChargeFree - No Core Charge
Fitment TypeDirect Replacement
Bundle Description2 pc Genuine National Transfer Case Input Shaft Seal Kit
UPCDoes not apply
Country of OriginUnited States
ManufacturerNational
Manufacturer Part NumberSX-YA7Y 1991 1990 1989 1988 1987
Manufacturer Warranty1 Year
Interchange Part NumberTimken SKF C661 VEMO King 71-45
Fitment TypeDirect Replacement
Bundle Description2 pc Genuine National Transfer Case Input Shaft Seal Kit
Core ChargeFree - No Core Charge
Country of OriginUnited States
UPCDoes not apply
Vehicle Fitment
| Year | Make | Model | Engine | Trim | Transmission |
|---|
| 1987 | GMC | V3500 | | | Transfer Case |
| 1988 | GMC | V3500 | | | Transfer Case |
| 1989 | GMC | V3500 | | | Transfer Case |
| 1990 | GMC | V3500 | | | Transfer Case |
| 1991 | GMC | V3500 | | | Transfer Case |
Always compare the part number and listed specifications with your original part before ordering.