| Product Line | Engine |
| Category Name | Engine Gaskets |
| Part Type | Oil Seal |
| Alternate Part Name | Timing Seal, Crankshaft Seal |
| OEM Part Number | 446GC238B |
| Application Type | Heavy Duty Trucks, Semi-Trucks |
| Outside Diameter (O.D.) | 6.757 in. |
| Material | Nitrile (NBR) |
| Housing Bore Diameter | 6.750 in. |
| Inside Diameter (ID) | 6.000 in. |
| Seal Shaft Diameter | 6.000 in. |
| Width | 0.500 in. |
| Seal Design Type | Rear Crankshaft Seal |
| Net Weight | 0.30 lb. |
| Cross References | 2297V, 446GC238B, 60000, EM79600, ESE-7960, ESE7960, NS2297V |
| Intended Application | - Compatible with Mack E6/E7/E9-Rear Crankshaft
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