The oil pan used on the Series 60 engine is made of plastic (epoxy vinyl ester) or aluminum. For engines built after April 1999, a one-piece bolt assembly is used with the improved plastic front sump and rear sump oil pans and a new isolator seal. The new isolator seal is reusable.
| 1. Drain Plug | 6. Bolt |
| 2. Nut | 7. Plug |
| 3. Isolator Seal | 8. Insert |
| 4. Sleeve | 9. Seal |
| 5. Isolator and Washer | 10. Bolt ASM, Replaces 4, 5, 6 |
