Kyosho® Replacement RC Nitro Engine Parts

A selection of replacement parts for Kyosho®. 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 - 9x17x4 mm - Stainless Steel AISI 440C - Replaces -
Kyosho® GS15R - 61: BB 9-17-4
Kyosho® GT - 21: BB 9-17-4
Kyosho® GS15R - 61: Bearing - Stainless Bearing
Kyosho® GT - 21: 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
9 Available Now -> More due: Jun 21, 2026 -> Orders for more than 9 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 9x17x4 mm - Chrome Steel SAE 52100 - Replaces -
Kyosho® GS15R - 61: BB 9-17-4
Kyosho® GT - 21: BB 9-17-4
Kyosho® GS15R - 61: Bearing - Standard Bearing
Kyosho® GT - 21: 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
Temporarily Out Of Stock -> More due: Jun 21, 2026 -> Orders for more than 0 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 9x17x5 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage Kyosho® GS15R - 21: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
Kyosho® GT - 15: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer

Replacement Part: 689A-2RU-T9H-ECO (Each)
Double lightly sealed economy bearing with a high speed polyamide retainer

Single Row Ball Bearings - 9x17x5 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$28.59 $34.31
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 9x17x5 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage Kyosho® GS15R - 61: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer
Kyosho® GT - 15: Replacement Bearing - High Speed Economy Bearing - Polyamide Retainer

Replacement Part: 689A-Z-T9H-ECO (Each)
Single shielded economy bearing with a high speed polyamide retainer

Single Row Ball Bearings - 9x17x5 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$42.41
Temporarily Out Of Stock -> Backorder now for delivery around Jun 26, 2026
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Single Row Ball Bearings - 9x17x5 mm - Stainless Steel AISI 440C Kyosho® GS15R - 61: Replacement Bearing - Stainless Bearing Sealed Option
Kyosho® GT - 21: Replacement Bearing - Stainless Bearing

Replacement Part: S689A-2RS-MC3 (Each)
Double black rubber sealed standard stainless steel bearing

Single Row Ball Bearings - 9x17x5 mm Unflanged - Stainless Steel AISI 440C Bearing

$3.50
73 Available Now -> Orders for more than 73 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 9x17x5 mm - Stainless Steel AISI 440C - Replaces -
Kyosho® GS15R - 61: BB 9-17-5
Kyosho® GT - 21: BB 9-17-5
Kyosho® GS15R - 61: Bearing - Stainless Bearing Shielded Option
Kyosho® GT - 21: Bearing - Stainless Bearing Shielded Option

Replacement Part: S689A-ZZ-MC3 (Each)
Double shielded standard stainless steel bearing

Single Row Ball Bearings - 9x17x5 mm Unflanged - Stainless Steel AISI 440C Bearing

$3.95
14 Available Now -> Orders for more than 14 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 9x17x5 mm - Chrome Steel SAE 52100 - Replaces -
Kyosho® GS15R - 61: BB 9-17-5
Kyosho® GT - 21: BB 9-17-5
Kyosho® GS15R - 61: Bearing - Standard Bearing Sealed Option
Kyosho® GT - 21: Bearing - Standard Bearing Sealed Option

Replacement Part: 689A-2RS-MC3 (Each)
Double rubber sealed standard bearing

Single Row Ball Bearings - 9x17x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.95
71 Available Now -> Orders for more than 71 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 12x21x5 mm - Stainless Steel AISI 440C - Replaces -
Kyosho® GS - 90: BB 12-21-5
Kyosho® GS - 90: Replacement Bearing - Stainless Bearing Sealed Option

Replacement Part: S6801-2RS (Each)
Double black rubber sealed standard stainless steel bearing

Single Row Ball Bearings - 12x21x5 mm Unflanged - Stainless Steel AISI 440C Bearing

$11.14
79 Available Now -> Orders for more than 79 can be expected around Jun 18, 2026
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Single Row Ball Bearings - 12x21x5 mm - Chrome Steel SAE 52100 - Replaces -
Kyosho® Evolva: BB 12-21-5
Kyosho® Evolva 2005: BB 12-21-5
Kyosho® Fantom 2001: BB 12-21-5
Kyosho® CONCEPT 30 DX: BB 12-21-5
Kyosho® CONCEPT 30 SE: BB 12-21-5
Kyosho® CONCEPT 30 SR-T: BB 12-21-5
Kyosho® CONCEPT 30 SX: BB 12-21-5
Kyosho® CONCEPT 30-DX: 2020 - Pos 40
Kyosho® CONCEPT 30-SE: 2020 - Pos 40
Kyosho® CONCEPT 30-SX: 2020 - Pos 40
Kyosho® NEXUS 30: BB 12-21-5
Kyosho® GS - 67: BB 12-21-5
Kyosho® Evolva: Replacement Bearing - Economy Bearing Shielded Option
Kyosho® Evolva 2005: Replacement Bearing - Economy Bearing Shielded Option
Kyosho® Fantom 2001: Replacement Bearing - Economy Bearing Shielded Option
Kyosho® CONCEPT 30 DX: Replacement Bearing - Economy Bearing
Kyosho® CONCEPT 30 SE: Replacement Bearing - Economy Bearing Shielded Option
Kyosho® CONCEPT 30 SR-T: Replacement Bearing - Economy Bearing Shielded Option
Kyosho® CONCEPT 30 SX: Replacement Bearing - Economy Bearing Shielded Option
Kyosho® CONCEPT 30-DX: Replacement Bearing - Economy Bearing Shielded Option
Kyosho® CONCEPT 30-SE: Replacement Bearing - Economy Bearing Shielded Option
Kyosho® CONCEPT 30-SX: Replacement Bearing - Economy Bearing Shielded Option
Kyosho® NEXUS 30: Replacement Bearing - Economy Bearing Shielded Option
Kyosho® GS - 67: Replacement Bearing - Economy Bearing

Replacement Part: 6801-ZZ-ECO (Each)
Double shielded economy bearing

Single Row Ball Bearings - 12x21x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.59
16 Available Now -> Orders for more than 16 can be expected around Jun 21, 2026
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