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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25-48 of 1,605 Results
75AX ABL .75 Airplane Glow Engine with Muffler 75AX ABL .75 Airplane Glow Engine with Muffler
4 out of 5 Customer Rating
75AX ABL .75 Airplane Glow Engine with Muffler
$343.93
120AX Ringed 1.20 Airplane Glow Engine without Muffler 120AX Ringed 1.20 Airplane Glow Engine without Muffler
4.5 out of 5 Customer Rating
120AX Ringed 1.20 Airplane Glow Engine without Muffler
$354.85
R21 1/8 On-Road Club Racer Engine R21 1/8 On-Road Club Racer Engine
5 out of 5 Customer Rating
R21 1/8 On-Road Club Racer Engine
$441.47
Idle Adj Valve; FS-90/120 Idle Adj Valve; FS-90/120
4.7 out of 5 Customer Rating
Idle Adj Valve; FS-90/120
$11.80
Steering Arm: 21XM Steering Arm: 21XM
4.7 out of 5 Customer Rating
Steering Arm: 21XM
$13.75
Needle #4BK #2K Needle #4BK #2K
3.4 out of 5 Customer Rating
Needle #4BK #2K
$13.78
Throttle Lever #4BK #4C Throttle Lever #4BK #4C
4.8 out of 5 Customer Rating
Throttle Lever #4BK #4C
$8.49
Needle Assembly #40A Needle Assembly #40A
4 out of 5 Customer Rating
Needle Assembly #40A
$22.04
Screw Set (10): 21XM Screw Set (10): 21XM
5 out of 5 Customer Rating
Screw Set (10): 21XM
$11.75
Outboard Unit Assembly: 21XM V2 Outboard Marine Outboard Unit Assembly: 21XM V2 Outboard Marine
5 out of 5 Customer Rating
Outboard Unit Assembly: 21XM V2 Outboard Marine
$270.99
Upper Arm: 21XM Upper Arm: 21XM
5 out of 5 Customer Rating
Upper Arm: 21XM
$22.24
Rotor Spring #4B #4D #4C Rotor Spring #4B #4D #4C
4.1 out of 5 Customer Rating
Rotor Spring #4B #4D #4C
$6.49
Screw Set CZ-MX (8) Screw Set CZ-MX (8)
4.7 out of 5 Customer Rating
Screw Set CZ-MX (8)
$7.46
Mount Plate: 21XM Mount Plate: 21XM
3.7 out of 5 Customer Rating
Mount Plate: 21XM
$22.24
Connecting Rod: RXB/R/M Connecting Rod: RXB/R/M
4.4 out of 5 Customer Rating
Connecting Rod: RXB/R/M
$26.24
Front Bearing: 21RZ-B Front Bearing: 21RZ-B
4.2 out of 5 Customer Rating
Front Bearing: 21RZ-B
$27.29
Cylinder & Piston Assembly: 21XZ-R Cylinder & Piston Assembly: 21XZ-R
4.1 out of 5 Customer Rating
Cylinder & Piston Assembly: 21XZ-R
$188.33
Rear Housing: 21XM Rear Housing: 21XM
4.7 out of 5 Customer Rating
Rear Housing: 21XM
$52.65
Throttle Link Assembly: 21XM Throttle Link Assembly: 21XM
3.3 out of 5 Customer Rating
Throttle Link Assembly: 21XM
$10.86
Drive Shaft Nut: 21XM Drive Shaft Nut: 21XM
4 out of 5 Customer Rating
Drive Shaft Nut: 21XM
$11.87
Carburetor #20J: 21XM, 21RG-M Carburetor #20J: 21XM, 21RG-M
4.1 out of 5 Customer Rating
Carburetor #20J: 21XM, 21RG-M
$147.07
Lower Arm: 21XM Lower Arm: 21XM
4.1 out of 5 Customer Rating
Lower Arm: 21XM
$21.06
42mm Carbon Fiber Propeller: 21XM 42mm Carbon Fiber Propeller: 21XM
5 out of 5 Customer Rating
42mm Carbon Fiber Propeller: 21XM
$20.05
Crankshaft: 21XZ-M Inboard Marine Crankshaft: 21XZ-M Inboard Marine
5 out of 5 Customer Rating
Crankshaft: 21XZ-M Inboard Marine
$149.99
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