O.S. Engines

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Quality and performance has made O.S. the standard in RC engines for over 80 years.
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73-96 of 1,813 Results
Front Bearing: 11PS Front Bearing: 11PS
3.1 out of 5 Customer Rating
Front Bearing: 11PS
$22.04
Carburetor Retainer: 30VG Carburetor Retainer: 30VG
5 out of 5 Customer Rating
Carburetor Retainer: 30VG
$13.78
Cylinder & Piston Assembly: 21XM V2 Outboard Marine Cylinder & Piston Assembly: 21XM V2 Outboard Marine
4.1 out of 5 Customer Rating
Cylinder & Piston Assembly: 21XM V2 Outboard Marine
$155.31
Gasket Head: 21XM V2 Outboard Marine Gasket Head: 21XM V2 Outboard Marine
4.7 out of 5 Customer Rating
Gasket Head: 21XM V2 Outboard Marine
$6.49
Low Unit Screw (4): 21XM Low Unit Screw (4): 21XM
3.6 out of 5 Customer Rating
Low Unit Screw (4): 21XM
$10.86
Cylinder & Piston: O.S. SPEED R21 EURO Cylinder & Piston: O.S. SPEED R21 EURO
5 out of 5 Customer Rating
Cylinder & Piston: O.S. SPEED R21 EURO
$249.99
Crankshaft: 21XM V2 Outboard Marine Crankshaft: 21XM V2 Outboard Marine
5 out of 5 Customer Rating
Crankshaft: 21XM V2 Outboard Marine
$130.94
Prop Shaft: 21XM Prop Shaft: 21XM
5 out of 5 Customer Rating
Prop Shaft: 21XM
$57.74
Side Plate: 21XM Side Plate: 21XM
3.3 out of 5 Customer Rating
Side Plate: 21XM
$22.24
Outboard Unit Assembly: 21XM V2 Outboard Marine Outboard Unit Assembly: 21XM V2 Outboard Marine
5 out of 5 Customer Rating
Outboard Unit Assembly: 21XM V2 Outboard Marine
$270.99
Upper Arm: 21XM Upper Arm: 21XM
5 out of 5 Customer Rating
Upper Arm: 21XM
$22.24
Rotor Spring #4B #4D #4C Rotor Spring #4B #4D #4C
4.1 out of 5 Customer Rating
Rotor Spring #4B #4D #4C
$6.49
Screw Set CZ-MX (8) Screw Set CZ-MX (8)
4.7 out of 5 Customer Rating
Screw Set CZ-MX (8)
$7.46
Carburetor #20J: 21XM, 21RG-M Carburetor #20J: 21XM, 21RG-M
4.1 out of 5 Customer Rating
Carburetor #20J: 21XM, 21RG-M
$147.07
Lower Arm: 21XM Lower Arm: 21XM
4.1 out of 5 Customer Rating
Lower Arm: 21XM
$21.06
42mm Carbon Fiber Propeller: 21XM 42mm Carbon Fiber Propeller: 21XM
5 out of 5 Customer Rating
42mm Carbon Fiber Propeller: 21XM
$20.05
Connecting Rod: RXB/R/M Connecting Rod: RXB/R/M
4.4 out of 5 Customer Rating
Connecting Rod: RXB/R/M
$26.24
Front Bearing: 21RZ-B Front Bearing: 21RZ-B
4.2 out of 5 Customer Rating
Front Bearing: 21RZ-B
$27.29
Carburetor #21D: 21VZ-M Carburetor #21D: 21VZ-M
5 out of 5 Customer Rating
Carburetor #21D: 21VZ-M
$118.99
Cylinder Head: 21XZ-M Inboard Marine Cylinder Head: 21XZ-M Inboard Marine
4.1 out of 5 Customer Rating
Cylinder Head: 21XZ-M Inboard Marine
$72.99
Drive Shaft: 21XM Drive Shaft: 21XM
5 out of 5 Customer Rating
Drive Shaft: 21XM
$46.43
Flywheel Nut: 21XM Flywheel Nut: 21XM
4.4 out of 5 Customer Rating
Flywheel Nut: 21XM
$8.49
Flex Shaft Housing: 21XM Flex Shaft Housing: 21XM
3.6 out of 5 Customer Rating
Flex Shaft Housing: 21XM
$10.86
Type F Glow Plug Medium: Four Stroke Type F Glow Plug Medium: Four Stroke
5 out of 5 Customer Rating
Type F Glow Plug Medium: Four Stroke
$13.99
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