
Vehicle Specific
Check if it fits by entering your vehicle info| Brand | National | 
| Part Number | 99138 | 
| Part Description | Transfer Case Mounting Adaptor Repair Sleeve | 
| Flanged Outside Diameter (Inch) | 1.638 in | 
| Flanged Outside Diameter (mm) | 41.610 mm | 
| Installation Depth (Inch) | 0.813 in | 
| Installation Depth (mm) | 20.650 mm | 
| Material | Stainless Steel | 
| Overall Width (Inch) | 0.625 in | 
| Overall Width (mm) | 15.880 mm | 
| Shaft Size (Inch) | 1.375 in | 
| Shaft Size (mm) | 34.925 mm | 
| Shaft Size Maximum (Inch) | 1.377 in | 
| Shaft Size Maximum (mm) | 34.980 mm | 
| Shaft Size Minimum (Inch) | 1.371 in | 
| Shaft Size Minimum (mm) | 34.820 mm | 
| Width on Shaft (Inch) | 0.500 in | 
| Width on Shaft (mm) | 12.700 mm | 
| Year Make Model | Trim | Engine | 
|---|---|---|
| 1969-1974 Chevrolet Blazer | All Trims | All Engines | 
| 1991 Chevrolet Blazer | All Trims | 8 Cyl 6.2L | 
| 1991-1994 Chevrolet Blazer | All Trims | 8 Cyl 5.7L | 
| 1991-2005 Chevrolet Blazer | All Trims | All Engines | 
| 1994 Chevrolet Blazer | All Trims | 8 Cyl 6.5L | 
| 1995-2005 Chevrolet Blazer | All Trims | 6 Cyl 4.3L | 
| 1988-1993 Chevrolet C1500 | All Trims | 8 Cyl 6.2L | 
| 1988-1998 Chevrolet C1500 | All Trims | 6 Cyl 4.3L | 
| 1988-1998 Chevrolet C1500 | All Trims | 8 Cyl 5.0L | 
| 1988-1998 Chevrolet C1500 | All Trims | 8 Cyl 5.7L |