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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213-236 of 1,605 Results
Venturi: 55HZ, 105HZ Venturi: 55HZ, 105HZ
4 out of 5 Customer Rating
Venturi: 55HZ, 105HZ
$22.04
Carburetor Rotor: #75AX Carburetor Rotor: #75AX
4 out of 5 Customer Rating
Carburetor Rotor: #75AX
$11.34 Price reduced from $37.80 to
Clearance Sale! ⓘ
T-1070SC L52 Pipe T-1070SC L52 Pipe
5 out of 5 Customer Rating
T-1070SC L52 Pipe
$135.44
Cylinder & Piston: 65AX Cylinder & Piston: 65AX
3.3 out of 5 Customer Rating
Cylinder & Piston: 65AX
$138.26
Carburetor Screw: #103A2A Carburetor Screw: #103A2A
3.3 out of 5 Customer Rating
Carburetor Screw: #103A2A
$6.49
Gasket Set: 140RX Gasket Set: 140RX
4.4 out of 5 Customer Rating
Gasket Set: 140RX
$8.43
Motor Mount: 25LA Motor Mount: 25LA
4.4 out of 5 Customer Rating
Motor Mount: 25LA
$25.29
Universal Nipple #12 Universal Nipple #12
5 out of 5 Customer Rating
Universal Nipple #12
$6.49
Cylinder Liner: 105HZ Cylinder Liner: 105HZ
5 out of 5 Customer Rating
Cylinder Liner: 105HZ
$105.05
Crankshaft: 12XZ Speed Crankshaft: 12XZ Speed
4.4 out of 5 Customer Rating
Crankshaft: 12XZ Speed
$94.99
Silencer Assembly Screws: #F-6010 FS-200S Silencer Assembly Screws: #F-6010 FS-200S
4.8 out of 5 Customer Rating
Silencer Assembly Screws: #F-6010 FS-200S
$9.85
Piston Pin: 19XZ-B Speed Piston Pin: 19XZ-B Speed
3.6 out of 5 Customer Rating
Piston Pin: 19XZ-B Speed
$8.61
Carburetor Insert: 80T, Sirius 7 Carburetor Insert: 80T, Sirius 7
3.3 out of 5 Customer Rating
Carburetor Insert: 80T, Sirius 7
$4.15 Price reduced from $13.83 to
Clearance Sale! ⓘ
Joint Spring T-2040 Joint Spring T-2040
4.1 out of 5 Customer Rating
Joint Spring T-2040
$13.78
Head Gasket: 15CV Head Gasket: 15CV
4.8 out of 5 Customer Rating
Head Gasket: 15CV
$6.49
Connecting Rod: 32SX-H Connecting Rod: 32SX-H
4.4 out of 5 Customer Rating
Connecting Rod: 32SX-H
$21.10
Carburetor 61D: 65AX Carburetor 61D: 65AX
3.4 out of 5 Customer Rating
Carburetor 61D: 65AX
$97.71
Crankcase: O.S. Speed B2104 Crankcase: O.S. Speed B2104
4.2 out of 5 Customer Rating
Crankcase: O.S. Speed B2104
$176.99
Woodruff Key: 120-240 Woodruff Key: 120-240
4.4 out of 5 Customer Rating
Woodruff Key: 120-240
$6.45
Bearing R-1560X2ZZ Bearing R-1560X2ZZ
4 out of 5 Customer Rating
Bearing R-1560X2ZZ
$17.99
Cover Plate: GF30 II Cover Plate: GF30 II
4.2 out of 5 Customer Rating
Cover Plate: GF30 II
$44.17
Valve Spring Retainer: 90-300 Valve Spring Retainer: 90-300
5 out of 5 Customer Rating
Valve Spring Retainer: 90-300
$6.49
Throttle Stop Screw 18TM Throttle Stop Screw 18TM
5 out of 5 Customer Rating
Throttle Stop Screw 18TM
$10.58
Water Nipple: #2 Water Nipple: #2
5 out of 5 Customer Rating
Water Nipple: #2
$6.49
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