New Main Bearings Provide Improved Bearing Retention in the Cylinder Block {1203}
- Engines: Commercial
- 3500 Family All
Description of Change: A newly designed main bearing is being installed in the engines that are listed above. The main bearing dimensions were changed in order to prevent the bearing shell from rotating within the cylinder block.
Adaptable To: The table identifies the new main bearings and the former main bearings.
Show/hide table
| 3500 Engine Main Bearings | |||
|---|---|---|---|
| Part Number of the New Main Bearing | Bearing Inside Diameter | Bearing Outside Diameter | Part Number of the Former Main Bearing |
| 149-6031 | Standard | Standard | 105-0253 |
| 149-6032 | 0.63 mm (0.025 inch) Undersize |
Standard | 105-0254 |
| 149-6033 | 1.27 mm (0.050 inch) Undersize |
Standard | 105-0255 |
| 149-6034 | Standard | 0.63 mm (0.025 inch) Oversize |
105-0256 |
| 149-6035 | 0.63 mm (0.025 inch) Undersize |
0.63 mm (0.025 inch) Oversize |
105-0257 |
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