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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1,077-1,100 of 1,605 Results
Air Bleed Screw: FL70 Air Bleed Screw: FL70
4.2 out of 5 Customer Rating
Air Bleed Screw: FL70
$5.99
Front Bearing: 12-300 Front Bearing: 12-300
5 out of 5 Customer Rating
Front Bearing: 12-300
$21.17
Rear Bearing: 50SX-H, 55HZ, 55AX Rear Bearing: 50SX-H, 55HZ, 55AX
5 out of 5 Customer Rating
Rear Bearing: 50SX-H, 55HZ, 55AX
$34.76
Rear Bearing: GT60 Rear Bearing: GT60
3.8 out of 5 Customer Rating
Rear Bearing: GT60
$25.44
Carburetor Body: 61D, 65AX Carburetor Body: 61D, 65AX
4 out of 5 Customer Rating
Carburetor Body: 61D, 65AX
$48.41
Carburetor Body: #70A Carburetor Body: #70A
4.8 out of 5 Customer Rating
Carburetor Body: #70A
$13.79 Price reduced from $45.99 to
Clearance Sale! ⓘ
Cover Plate: GT15 Cover Plate: GT15
4.8 out of 5 Customer Rating
Cover Plate: GT15
$18.99
Crankcase: GGT15 Crankcase: GGT15
5 out of 5 Customer Rating
Crankcase: GGT15
$37.51 Price reduced from $125.03 to
Clearance Sale! ⓘ
Crankshaft: 10LA Crankshaft: 10LA
4 out of 5 Customer Rating
Crankshaft: 10LA
$20.99
Cylinder Head: 200 Surpass Cylinder Head: 200 Surpass
4.8 out of 5 Customer Rating
Cylinder Head: 200 Surpass
$119.86
Cylinder Liner: 105HZ Cylinder Liner: 105HZ
5 out of 5 Customer Rating
Cylinder Liner: 105HZ
$105.05
Head Gasket FS155A-P Head Gasket FS155A-P
4.4 out of 5 Customer Rating
Head Gasket FS155A-P
$6.49
Carburetor Gasket: GT15HZ Carburetor Gasket: GT15HZ
3.4 out of 5 Customer Rating
Carburetor Gasket: GT15HZ
$10.94
Thermo Insulator: GF40 Thermo Insulator: GF40
3.6 out of 5 Customer Rating
Thermo Insulator: GF40
$30.44
Electronic Ignition Module: GT55 Electronic Ignition Module: GT55
4.8 out of 5 Customer Rating
Electronic Ignition Module: GT55
$303.45
Intake Manifold Assembly: FS-120III Intake Manifold Assembly: FS-120III
5 out of 5 Customer Rating
Intake Manifold Assembly: FS-120III
$34.86
Mixture Control Valve: #60K Mixture Control Valve: #60K
5 out of 5 Customer Rating
Mixture Control Valve: #60K
$7.79 Price reduced from $25.99 to
Clearance Sale! ⓘ
Muffler Assembly F-5050: FS-95V Muffler Assembly F-5050: FS-95V
4.4 out of 5 Customer Rating
Muffler Assembly F-5050: FS-95V
$63.04
Needle Assembly #40N Needle Assembly #40N
4 out of 5 Customer Rating
Needle Assembly #40N
$22.04
Piston Pin: FS-95V Piston Pin: FS-95V
5 out of 5 Customer Rating
Piston Pin: FS-95V
$11.95
Piston Pin: 61-300 Piston Pin: 61-300
4.4 out of 5 Customer Rating
Piston Pin: 61-300
$10.86
Prop Nut 10453 10-12 Prop Nut 10453 10-12
4.4 out of 5 Customer Rating
Prop Nut 10453 10-12
$6.49
Reed Valve Assembly: GT60 Reed Valve Assembly: GT60
5 out of 5 Customer Rating
Reed Valve Assembly: GT60
$25.19
Rotor Stop Screw #4D Rotor Stop Screw #4D
4.4 out of 5 Customer Rating
Rotor Stop Screw #4D
$6.49
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