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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1,393-1,416 of 1,755 Results
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
Electronic Ignition Module: GT55 Electronic Ignition Module: GT55
4.8 out of 5 Customer Rating
Electronic Ignition Module: GT55
$303.45
Thermo Insulator: GF40 Thermo Insulator: GF40
3.6 out of 5 Customer Rating
Thermo Insulator: GF40
$30.44
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
Prop Nut 10453 10-12 Prop Nut 10453 10-12
4.4 out of 5 Customer Rating
Prop Nut 10453 10-12
$6.49
Pushrod: GF40 Pushrod: GF40
5 out of 5 Customer Rating
Pushrod: GF40
$8.90 Price reduced from $29.68 to
Clearance Sale! ⓘ
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
Thrust Washer: 120Surpass Thrust Washer: 120Surpass
4 out of 5 Customer Rating
Thrust Washer: 120Surpass
$6.49
Gasket Set: 12TZ Gasket Set: 12TZ
4.2 out of 5 Customer Rating
Gasket Set: 12TZ
$10.94
Head Gasket: 0.1, 0.15, T1201 Speed Head Gasket: 0.1, 0.15, T1201 Speed
3.6 out of 5 Customer Rating
Head Gasket: 0.1, 0.15, T1201 Speed
$9.55
Head Gasket: 15CV Head Gasket: 15CV
4.8 out of 5 Customer Rating
Head Gasket: 15CV
$6.49
Throttle Stop Screw 18TM Throttle Stop Screw 18TM
5 out of 5 Customer Rating
Throttle Stop Screw 18TM
$10.58
M2002SC 80mm Manifold: 21XZ-B, 21VZ-B, 25XZ, 30VG M2002SC 80mm Manifold: 21XZ-B, 21VZ-B, 25XZ, 30VG
4 out of 5 Customer Rating
M2002SC 80mm Manifold: 21XZ-B, 21VZ-B, 25XZ, 30VG
$67.39
M2004SC 85mm Manifold M2004SC 85mm Manifold
4.8 out of 5 Customer Rating
M2004SC 85mm Manifold
$65.28
T-2060SC WN Tuned Pipe Complete Set T-2060SC WN Tuned Pipe Complete Set
4.4 out of 5 Customer Rating
T-2060SC WN Tuned Pipe Complete Set
$152.36
Crankshft Ball Bearing, Rear: 12TZ Spec II Crankshft Ball Bearing, Rear: 12TZ Spec II
5 out of 5 Customer Rating
Crankshft Ball Bearing, Rear: 12TZ Spec II
$68.45
Crankshaft: 18TM Crankshaft: 18TM
5 out of 5 Customer Rating
Crankshaft: 18TM
$55.14
Crankshaft: Speed B2102 Crankshaft: Speed B2102
5 out of 5 Customer Rating
Crankshaft: Speed B2102
$193.70
Cylinder & Piston: 21XZ-B Cylinder & Piston: 21XZ-B
4.4 out of 5 Customer Rating
Cylinder & Piston: 21XZ-B
$165.99
Outer Head: B2102 Speed Outer Head: B2102 Speed
3.6 out of 5 Customer Rating
Outer Head: B2102 Speed
$102.52
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