OS Engines® RX-EFI - 21 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.

Add the quantities required for each item, then click "Add to Cart" before proceeding to the next page

Replacement Parts Price Quantity
Single Row Ball Bearings - 10x26x8 mm - Stainless Steel AISI 440C - Replaces -
BB 10-26-8
Replacement Bearing - Economy Bearing Shielded Option
Double shielded economy stainless steel bearing

S6000-ZZ-ECO (Each)
Double shielded economy stainless steel bearing

Single Row Ball Bearings - 10x26x8 mm Unflanged - Stainless Steel AISI 440C Bearing

$4.77
83 Available Now -> Orders for more than 83 can be expected around Aug 13, 2026
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Single Row Ball Bearings - 10x26x8 mm - Chrome Steel SAE 52100 - Replaces -
BB 10-26-8
Replacement Bearing - Standard Bearing Sealed Option
Double rubber sealed standard bearing

6000-2RS (Each)
Double rubber sealed standard bearing

Single Row Ball Bearings - 10x26x8 mm Unflanged - Chrome Steel SAE 52100 Bearing

$6.95
2 Available Now -> Orders for more than 2 can be expected around Jul 27, 2026
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Single Row Ball Bearings - 20x37x9 mm - Chrome Steel SAE 52100 - Replaces -
BB 20-37-9
Replacement Bearing - Standard Bearing Shielded Option
Deleted Item. Available while stocks last.

6904-ZZ (Each)
Deleted Item. Available while stocks last.

Single Row Ball Bearings - 20x37x9 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.64 $9.16
29 Available Now -> Only the available quantity may be ordered online. No backorders.
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1131642 | S6904-CSN-2RS-T9H-ECO (Each) --- Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing Replacement Bearing - High Speed Economy Ceramic-Hybrid Bearing - Polyamide Retainer Sealed Option
Double black rubber sealed economy ceramic-hybrid bearing with a high speed polyamide retainer

S6904-CSN-2RS-T9H-ECO (Each)
Double black rubber sealed economy ceramic-hybrid bearing with a high speed polyamide retainer

Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C - High Speed Polyamide Cage - Ceramic Si3N4 Balls Bearing

$141.41 $169.69
Temporarily Out Of Stock -> Backorder now for delivery around Aug 27, 2026
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Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C Bearing - Replaces -
BB 20-37-9
Replacement Bearing - Stainless Bearing Sealed Option
Double black rubber sealed standard stainless steel bearing

S6904-2RS (PK-20)
Double black rubber sealed standard stainless steel bearing

Single Row Ball Bearings - 20x37x9 mm Unflanged - Stainless Steel AISI 440C Bearing

$546.95
Temporarily Out Of Stock -> Backorder now for delivery around Oct 14, 2026
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