Serpent® Mega ZX 12 - 60 Replacement RC Nitro Engine Parts

A selection of replacement parts for Serpent®. 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 - 6x16x5 mm - Chrome Steel SAE 52100 - Replaces -
BB 6-16-5
Bearing - Economy Bearing Shielded Option

Replacement Part: MR166-ZZS-ECO (Each)
Double shielded economy bearing

Single Row Ball Bearings - 6x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$3.41
133 Available Now -> Orders for more than 133 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 6x16x5 mm - Chrome Steel SAE 52100 - Replaces -
BB 6-16-5
Bearing - Economy Bearing Sealed Option

Replacement Part: MR166-2RS-ECO (Each)
Double black rubber sealed economy bearing

Single Row Ball Bearings - 6x16x5 mm Unflanged - Chrome Steel SAE 52100 Bearing

$1.86
74 Available Now -> Orders for more than 74 can be expected around Jul 02, 2026
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Single Row Ball Bearings - 7x19x6 mm - Chrome Steel SAE 52100 - High Speed Polyamide Cage - Replaces -
BB 7-19-6
Replacement Front Bearing - High Speed Bearing - Polyamide Retainer

Replacement Part: 607-Z-MC45-T9H-AF12-J (Each)
Single shielded high clearance bearing with a high speed polyamide retainer and light oil lubricant

Single Row Ball Bearings - 7x19x6 mm Unflanged - Chrome Steel SAE 52100 - High Speed Polyamide Cage Bearing

$6.14
60 Available Now -> Orders for more than 60 can be expected around Jul 08, 2026
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Single Row Ball Bearings - 12x21x5 mm - Chrome Steel SAE 52100 - Replaces -
BB 12-21-5
Replacement Bearing - Economy Bearing Shielded Option

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

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

$3.50
16 Available Now -> Orders for more than 16 can be expected around Jul 11, 2026
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