OS Engines® FS40S - 4 Stroke Replacement RC Nitro Engine Parts

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.

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Replacement Parts Price Quantity
Single Row Ball Bearings - 8x19x6 mm - Chrome Steel SAE 52100 Front Bearing - Standard Bearing Shielded Option
Double shielded standard bearing

698-ZZ-MC3 (Each)
Double shielded standard bearing

Single Row Ball Bearings - 8x19x6 mm Unflanged - Chrome Steel SAE 52100 Bearing

$4.05
103 Available Now -> Orders for more than 103 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 8x19x6 mm - Chrome Steel SAE 52100 Front Bearing - High Clearance Bearing
Deleted Item. Available while stocks last. Single shielded bearing with light brass retainer

698-Z-MC45-Y-AF12 (PK-10)
Deleted Item. Available while stocks last. Single shielded bearing with light brass retainer

Single Row Ball Bearings - 8x19x6 mm Unflanged - Chrome Steel SAE 52100 Bearing

$20.00 $38.00
9 (90 pcs) Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 8x19x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage Front Bearing - High Speed Bearing - Polyamide Retainer
Deleted Item. Available while stocks last. Single shielded bearing with high speed polyamide retainer and light oil lubricant

698-Z-MC45-T9H-AF12 (Each)
Deleted Item. Available while stocks last. Single shielded bearing with high speed polyamide retainer and light oil lubricant

Single Row Ball Bearings - 8x19x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$8.00 $15.20
296 Available Now -> Only the available quantity may be ordered online. No backorders.
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Single Row Ball Bearings - 12x24x6 mm - Chrome Steel SAE 52100 - Replaces -
BB 12-24-6
Replacement Rear Bearing - Standard Bearing Sealed Option
Double rubber sealed standard bearing

6901-2RS (Each)
Double rubber sealed standard bearing

Single Row Ball Bearings - 12x24x6 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.95
72 Available Now -> Orders for more than 72 can be expected around Jul 08, 2026
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