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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669-692 of 1,605 Results
Muffler Assembly: F-4050 FS-62V Muffler Assembly: F-4050 FS-62V
5 out of 5 Customer Rating
Muffler Assembly: F-4050 FS-62V
$52.73
Prop Washer: 20-40 Prop Washer: 20-40
5 out of 5 Customer Rating
Prop Washer: 20-40
$6.49
Pushrod: FS72 Alpha Pushrod: FS72 Alpha
4.5 out of 5 Customer Rating
Pushrod: FS72 Alpha
$2.96 Price reduced from $9.85 to
Clearance Sale! ⓘ
Cap Screw Set M2.6x7: 18TZ Cap Screw Set M2.6x7: 18TZ
4.7 out of 5 Customer Rating
Cap Screw Set M2.6x7: 18TZ
$9.85
Main Shaft: 5010-810 Main Shaft: 5010-810
3.3 out of 5 Customer Rating
Main Shaft: 5010-810
$10.99
Crankshaft Clamp: 32-46 Crankshaft Clamp: 32-46
5 out of 5 Customer Rating
Crankshaft Clamp: 32-46
$25.44
Connecting Rod: FS81 Alpha Connecting Rod: FS81 Alpha
3.9 out of 5 Customer Rating
Connecting Rod: FS81 Alpha
$27.29
Header Pipe Spring Header Pipe Spring
3.7 out of 5 Customer Rating
Header Pipe Spring
$11.80
Crankshaft: 21VZ-B (P) Crankshaft: 21VZ-B (P)
4.5 out of 5 Customer Rating
Crankshaft: 21VZ-B (P)
$34.67 Price reduced from $115.57 to
Clearance Sale! ⓘ
Inner Head: 25XZ Inner Head: 25XZ
3.7 out of 5 Customer Rating
Inner Head: 25XZ
$57.99
Needle #20E Needle #20E
4.5 out of 5 Customer Rating
Needle #20E
$13.78
Outer Head: O.S. Max .12 TG Version 4 Outer Head: O.S. Max .12 TG Version 4
3.1 out of 5 Customer Rating
Outer Head: O.S. Max .12 TG Version 4
$74.79
Joint Spring T-2040 Joint Spring T-2040
4.1 out of 5 Customer Rating
Joint Spring T-2040
$13.78
Carburetor Rotor: 61G, 91HZ-R, Speed 3D Carburetor Rotor: 61G, 91HZ-R, Speed 3D
5 out of 5 Customer Rating
Carburetor Rotor: 61G, 91HZ-R, Speed 3D
$52.52
Intake Manifold: GF40 Intake Manifold: GF40
3.6 out of 5 Customer Rating
Intake Manifold: GF40
$21.17
Rear Bearing: FS-61 Rear Bearing: FS-61
3.4 out of 5 Customer Rating
Rear Bearing: FS-61
$26.34
Cam Follower: 91-300 Cam Follower: 91-300
5 out of 5 Customer Rating
Cam Follower: 91-300
$22.04
Camshaft: FS-120 II Camshaft: FS-120 II
5 out of 5 Customer Rating
Camshaft: FS-120 II
$66.15
Connecting Rod: 32SX-H Connecting Rod: 32SX-H
4.4 out of 5 Customer Rating
Connecting Rod: 32SX-H
$21.10
Connecting Rod: 40-46 Connecting Rod: 40-46
3.6 out of 5 Customer Rating
Connecting Rod: 40-46
$22.04
Cover Plate: GT55 Cover Plate: GT55
5 out of 5 Customer Rating
Cover Plate: GT55
$41.99
Crankcase: GT33 Crankcase: GT33
4 out of 5 Customer Rating
Crankcase: GT33
$97.81
Gasket Set: 37SZ-H Gasket Set: 37SZ-H
3.6 out of 5 Customer Rating
Gasket Set: 37SZ-H
$10.94
Gasket Set: 140RX Gasket Set: 140RX
4.4 out of 5 Customer Rating
Gasket Set: 140RX
$8.43
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