2000-2001 Porsche IMS Bearing Type by Engine Serial Number
IMS Bearing Guide for 2000–2001 Porsche 996 & Boxster (Serviceable)
These are the crossover years when Porsche phased from a double-row to a single-row IMS bearing, both serviceable.
| Engine Number | Model | IMS Bearing Type |
|---|---|---|
| Up to engine # M 651 12851 | Boxster 2.7L (M96.22) | Double-row (serviceable) |
| Up to engine # M 671 11237 | Boxster S 3.2L (M96.21) | Double-row (serviceable) |
| Up to engine # M 661 14164 | Carrera 996 3.4L (M96.23) | Double-row (serviceable) |
| From engine # M 651 12852 | Boxster 2.7L (M96.22) | Single-row (serviceable) |
| From engine # M 671 11238 | Boxster S 3.2L (M96.21) | Single-row (serviceable) |
| From engine # M 661 14165 | Carrera 996 3.4L (M96.23) | Single-row (serviceable) |
Note: Both bearing types (double-row and single-row) during these crossover years are serviceable.
Always verify IMS bearing type with a qualified Porsche technician if uncertain.