Product Description
National 3945 Engine Crankshaft Seal
The National 3945 is a precision crankshaft seal engineered to prevent oil leakage at the engine block's crankshaft opening. This OEM-quality seal maintains engine integrity and prevents costly oil loss in heavy-duty applications.
Key Features
- Prevents oil leakage at crankshaft opening
- OEM-equivalent construction and performance
- Meets or exceeds original equipment specifications
- Reliable seal for extended engine service life
Specifications
| Brand | National |
| Part Number | 3945 |
| Weight | 5.46 lb |
| Dimensions (L × W × H) | 10.75 × 9.438 × 7.125 in |
| UPC | 00724956234332 |
Cross References
| AC DELCO INC | 12303932 |
| SKF INDUSTRIES, INC. | 23300 |
| DICHTOMATIK | 2333040PSB-H |
| PACCAR PARTS | 23300CHR |
| AC DELCO INC | 296-01 |
| AC DELCO INC | 29533 |
| NAVISTAR INTERNATIONAL TRANSPORTATION CORP. | CR23300 |
| TROSTEL PACKINGS, ALBERT, LTD. | A65601P |
| TROSTEL PACKINGS, ALBERT, LTD. | 65601S |
| SKF INDUSTRIES, INC. | 480233 |
⚠️ Prop 65 Warning
WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
