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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337-360 of 1,755 Results
Rotation Sensor: GT55 Rotation Sensor: GT55
3.3 out of 5 Customer Rating
Rotation Sensor: GT55
$63.20
Exhaust Valve Assembly: 56 FS Exhaust Valve Assembly: 56 FS
3.9 out of 5 Customer Rating
Exhaust Valve Assembly: 56 FS
$19.05
Cover Plate: FSa-56II Cover Plate: FSa-56II
4.9 out of 5 Customer Rating
Cover Plate: FSa-56II
$19.31
Crankcase: 50SX-H Crankcase: 50SX-H
3.1 out of 5 Customer Rating
Crankcase: 50SX-H
$67.24
Crankshaft: 75AX Crankshaft: 75AX
3.7 out of 5 Customer Rating
Crankshaft: 75AX
$66.04
Drive Washer: GT15HZ Drive Washer: GT15HZ
3.3 out of 5 Customer Rating
Drive Washer: GT15HZ
$48.51
Gasket: #3A2CBD Gasket: #3A2CBD
5 out of 5 Customer Rating
Gasket: #3A2CBD
$6.49
Gasket Set: 120AX Gasket Set: 120AX
4.1 out of 5 Customer Rating
Gasket Set: 120AX
$10.94
Head Gasket: 200 Surpass Head Gasket: 200 Surpass
4.1 out of 5 Customer Rating
Head Gasket: 200 Surpass
$6.49
Intake Pipe AS-L: FT-240 Intake Pipe AS-L: FT-240
5 out of 5 Customer Rating
Intake Pipe AS-L: FT-240
$22.16
Link Pin Retainer: FR5 Link Pin Retainer: FR5
5 out of 5 Customer Rating
Link Pin Retainer: FR5
$8.43
Silencer Body F-5040: FS110A Silencer Body F-5040: FS110A
4.7 out of 5 Customer Rating
Silencer Body F-5040: FS110A
$48.41
Needle #70A Needle #70A
3.7 out of 5 Customer Rating
Needle #70A
$13.78
Pushrod: 200 Surpass Pushrod: 200 Surpass
3.3 out of 5 Customer Rating
Pushrod: 200 Surpass
$10.86
Piston Pin: 40-46 Piston Pin: 40-46
5 out of 5 Customer Rating
Piston Pin: 40-46
$9.46
Tappet Screw: FS-20 48 Tappet Screw: FS-20 48
5 out of 5 Customer Rating
Tappet Screw: FS-20 48
$8.49
Throttle Stop Screw #40D Throttle Stop Screw #40D
5 out of 5 Customer Rating
Throttle Stop Screw #40D
$6.49
Valve Spring Retainer: 120Surpass Valve Spring Retainer: 120Surpass
3.7 out of 5 Customer Rating
Valve Spring Retainer: 120Surpass
$8.49
Intake Manifold Assembly B: IL-300 Intake Manifold Assembly B: IL-300
5 out of 5 Customer Rating
Intake Manifold Assembly B: IL-300
$22.37
Rear Bearing: 40-50 Rear Bearing: 40-50
4.1 out of 5 Customer Rating
Rear Bearing: 40-50
$26.34
Carburetor Body: #60Y, FS110A Carburetor Body: #60Y, FS110A
3.3 out of 5 Customer Rating
Carburetor Body: #60Y, FS110A
$42.11
Carburetor Rotor: #60K Carburetor Rotor: #60K
5 out of 5 Customer Rating
Carburetor Rotor: #60K
$10.49 Price reduced from $34.99 to
Clearance Sale! ⓘ
Carburetor Rotor: #40E Carburetor Rotor: #40E
3.3 out of 5 Customer Rating
Carburetor Rotor: #40E
$22.99
Carburetor Rotor: 70T, GF30 Carburetor Rotor: 70T, GF30
4.7 out of 5 Customer Rating
Carburetor Rotor: 70T, GF30
$63.12
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