A selection of replacement parts for OS Engines®. These parts are not original parts unless otherwise stated in the descriptions. Please check your choices thoroughly.
Add the quantities required for each item, then click "Add to Cart" before proceeding to the next page
| Replacement Parts | Price | Quantity | ||
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- Replaces - BB 9-17-4 Bearing - Standard Bearing Replacement Part: 689-MC3-AF12 (Each) Open standard bearing with low-torque light oil lubricant Single Row Ball Bearings - 9x17x4 mm Unflanged - Chrome Steel SAE 52100 Bearing |
$4.77
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200 Available Now
-> More due: Jun 21, 2026
-> Orders for more than 200 can be expected around Jul 10, 2026
View Entire Category: | ||||
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- Replaces - BB 9-17-4 Bearing - Stainless Bearing Replacement Part: S689-MC3-AF12 (Each) Open standard stainless steel bearing Single Row Ball Bearings - 9x17x4 mm Unflanged - Stainless Steel AISI 440C Bearing |
$3.77
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109 Available Now
-> Orders for more than 109 can be expected around Jul 10, 2026
View Entire Category: | ||||