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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1,417-1,440 of 1,605 Results
Spinner Nut: 20-48 Spinner Nut: 20-48
4 out of 5 Customer Rating
Spinner Nut: 20-48
$11.91
Piston Pin: 25XZ Piston Pin: 25XZ
5 out of 5 Customer Rating
Piston Pin: 25XZ
$7.99
Front Bearing: 12-300 Front Bearing: 12-300
5 out of 5 Customer Rating
Front Bearing: 12-300
$21.17
202 Elements (4) 202 Elements (4)
5 out of 5 Customer Rating
202 Elements (4)
$13.78
Venturi: 15FP S Venturi: 15FP S
4 out of 5 Customer Rating
Venturi: 15FP S
$9.85
Gasket Carburetor: 61-108 Gasket Carburetor: 61-108
4.1 out of 5 Customer Rating
Gasket Carburetor: 61-108
$6.49
Gasket Set: 55AX Gasket Set: 55AX
5 out of 5 Customer Rating
Gasket Set: 55AX
$11.80
Carburetor Body: #60J Carburetor Body: #60J
4.1 out of 5 Customer Rating
Carburetor Body: #60J
$21.10
Gasket Set: 25FX Gasket Set: 25FX
3.3 out of 5 Customer Rating
Gasket Set: 25FX
$7.46
O.S. Cylinder And Piston Speed: T1203 O.S. Cylinder And Piston Speed: T1203
4.4 out of 5 Customer Rating
O.S. Cylinder And Piston Speed: T1203
$119.99
Silencer Body F-5040: FS110A Silencer Body F-5040: FS110A
4.7 out of 5 Customer Rating
Silencer Body F-5040: FS110A
$48.41
Spinner Nut: 10FP, FSR Spinner Nut: 10FP, FSR
4.1 out of 5 Customer Rating
Spinner Nut: 10FP, FSR
$9.49
Rocker Arm: FS-70 Ultimate Rocker Arm: FS-70 Ultimate
5 out of 5 Customer Rating
Rocker Arm: FS-70 Ultimate
$24.99
Outer Head: B2102 Speed Outer Head: B2102 Speed
3.6 out of 5 Customer Rating
Outer Head: B2102 Speed
$102.52
Choke Arm Assembly: WLA-2, GT55 Choke Arm Assembly: WLA-2, GT55
5 out of 5 Customer Rating
Choke Arm Assembly: WLA-2, GT55
$7.46
Return Spring: #6H, #7H, #8H Return Spring: #6H, #7H, #8H
5 out of 5 Customer Rating
Return Spring: #6H, #7H, #8H
$4.99
Carburetor 22B2: 21XZ-B V2 Carburetor 22B2: 21XZ-B V2
5 out of 5 Customer Rating
Carburetor 22B2: 21XZ-B V2
$129.99
Hex Head Screw M3 (10): 91SZ-H Hex Head Screw M3 (10): 91SZ-H
5 out of 5 Customer Rating
Hex Head Screw M3 (10): 91SZ-H
$9.85
Cylinder & Piston Assembly: R2101 Speed Cylinder & Piston Assembly: R2101 Speed
4.7 out of 5 Customer Rating
Cylinder & Piston Assembly: R2101 Speed
$177.63
Piston Pin: GT55 Piston Pin: GT55
4.4 out of 5 Customer Rating
Piston Pin: GT55
$6.30 Price reduced from $19.14 to
Clearance Sale! ⓘ
Prop Washer: 61-90 Prop Washer: 61-90
4 out of 5 Customer Rating
Prop Washer: 61-90
$6.49
Exhaust Pipe Assembly: 40-300 Exhaust Pipe Assembly: 40-300
4.4 out of 5 Customer Rating
Exhaust Pipe Assembly: 40-300
$15.76
Cylinder Head: GF40 Cylinder Head: GF40
3.7 out of 5 Customer Rating
Cylinder Head: GF40
$48.90 Price reduced from $163.01 to
Clearance Sale! ⓘ
Silencer Gasket: F-5040, FS110A Silencer Gasket: F-5040, FS110A
5 out of 5 Customer Rating
Silencer Gasket: F-5040, FS110A
$6.49
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