Description
The PAI 836020 is an aftermarket rear crankshaft seal with a Teflon lip that replaces Mack and Volvo 20441481 on MP8, D13, and DXi13 engines. Heat- and wear-resistant Teflon design retains oil at the rear of the crankshaft and supports the long service intervals these engines are operated at. Backed by PAI Industries’ 2-year warranty.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 836020 |
| Part Type | Rear Crankshaft Seal (Teflon lip) |
| Free Inside Diameter | 7.007 in (178 mm) |
| Outside Diameter | 8.075 in (205 mm) |
| Width | 0.59 in (15 mm) |
| Material | Teflon (PTFE) lip |
| Engine Compatibility | Mack MP8 13L, Volvo D13, Volvo DXi13 |
| Warranty | 2 Years |
Cross References
This part replaces or is equivalent to the following part numbers:
- Mack: 20441481
- Volvo: 20441481
- Also known as: TW717S, 20397164, 21267844, 21948261, 3093651, 743093651
Applications
This rear crankshaft seal fits the following heavy-duty diesel engines:
- Mack MP8 13L (2007–present)
- Volvo D13 (2007–present)
- Volvo DXi13 (2007–2010)
Representative vehicles using these engines:
- Mack Pinnacle, Granite, Anthem (2007–present)
- Volvo VNL, VNM, VHD, VNX (2007–present)
For Mack 1543896 / Volvo 85108352 applications, see PAI 836021.
Verify your engine serial number, seal free ID, OD, and width before ordering. Crankshaft seals are not interchangeable across counterbore variations.
