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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193-216 of 1,808 Results
Slide Valve 21M Slide Valve 21M
5 out of 5 Customer Rating
Slide Valve 21M
$32.56
Rear Adapter: 18TM Rear Adapter: 18TM
3.2 out of 5 Customer Rating
Rear Adapter: 18TM
$19.05
Speed Flywheel Puller Speed Flywheel Puller
4 out of 5 Customer Rating
Speed Flywheel Puller
$48.34
Speed Hex Driver Replacement Tip 2.5 Speed Hex Driver Replacement Tip 2.5
3.6 out of 5 Customer Rating
Speed Hex Driver Replacement Tip 2.5
$18.39
Heat Sink Head: 37SZ-H Heat Sink Head: 37SZ-H
4 out of 5 Customer Rating
Heat Sink Head: 37SZ-H
$50.72
Silencer: F-6010, 200 Surpass Silencer: F-6010, 200 Surpass
4 out of 5 Customer Rating
Silencer: F-6010, 200 Surpass
$87.15
Spinner Nut: 20-48 Spinner Nut: 20-48
4 out of 5 Customer Rating
Spinner Nut: 20-48
$11.91
Cam Cover: FS110A Cam Cover: FS110A
5 out of 5 Customer Rating
Cam Cover: FS110A
$10.03
Carburetor Body: 61P, FS110 Alpha Pump Carburetor Body: 61P, FS110 Alpha Pump
5 out of 5 Customer Rating
Carburetor Body: 61P, FS110 Alpha Pump
$87.39
Carburetor Body: 61R, FS81 Alpha Pump Carburetor Body: 61R, FS81 Alpha Pump
5 out of 5 Customer Rating
Carburetor Body: 61R, FS81 Alpha Pump
$87.39
Connecting Rod: FS-61, 91 Connecting Rod: FS-61, 91
5 out of 5 Customer Rating
Connecting Rod: FS-61, 91
$26.24
Cover Plate: 75AX Cover Plate: 75AX
4.2 out of 5 Customer Rating
Cover Plate: 75AX
$17.16
Crankcase: FS-91-P Crankcase: FS-91-P
4 out of 5 Customer Rating
Crankcase: FS-91-P
$119.77
Crankshaft: FS81 Alpha Crankshaft: FS81 Alpha
5 out of 5 Customer Rating
Crankshaft: FS81 Alpha
$73.87
Cylinder Head: FSa-56II Cylinder Head: FSa-56II
4.8 out of 5 Customer Rating
Cylinder Head: FSa-56II
$70.43
Drive Shaft: Sirius 7 Drive Shaft: Sirius 7
4.4 out of 5 Customer Rating
Drive Shaft: Sirius 7
$34.86
High Pressure Check Valve: 91HZ-R High Pressure Check Valve: 91HZ-R
5 out of 5 Customer Rating
High Pressure Check Valve: 91HZ-R
$21.10
Head Gasket: 15LA Head Gasket: 15LA
4 out of 5 Customer Rating
Head Gasket: 15LA
$6.49
Head Gasket 0.2T: GT22 Head Gasket 0.2T: GT22
5 out of 5 Customer Rating
Head Gasket 0.2T: GT22
$7.46
Ignition Module IG-05: GT15HZ Ignition Module IG-05: GT15HZ
4.4 out of 5 Customer Rating
Ignition Module IG-05: GT15HZ
$119.78
Silencer E3080: 35AX Silencer E3080: 35AX
5 out of 5 Customer Rating
Silencer E3080: 35AX
$34.86
Muffler Assembly Screw E2050-2: 21XM V2 Outboard Muffler Assembly Screw E2050-2: 21XM V2 Outboard
4 out of 5 Customer Rating
Muffler Assembly Screw E2050-2: 21XM V2 Outboard
$9.44
Piston Pin: 91RZ-H Ring Heli Piston Pin: 91RZ-H Ring Heli
5 out of 5 Customer Rating
Piston Pin: 91RZ-H Ring Heli
$11.99
Piston: FS72 Alpha Piston: FS72 Alpha
5 out of 5 Customer Rating
Piston: FS72 Alpha
$42.11
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