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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337-360 of 1,605 Results
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
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
$12.63 Price reduced from $42.11 to
Clearance Sale! ⓘ
Reed Valve Assembly: GT22 Reed Valve Assembly: GT22
5 out of 5 Customer Rating
Reed Valve Assembly: GT22
$26.99
Rocker Arm: FS115A-P Rocker Arm: FS115A-P
4.4 out of 5 Customer Rating
Rocker Arm: FS115A-P
$33.71
Rotation Sensor: GT33 Rotation Sensor: GT33
5 out of 5 Customer Rating
Rotation Sensor: GT33
$38.95
Screw Set(10): 160FX Screw Set(10): 160FX
5 out of 5 Customer Rating
Screw Set(10): 160FX
$17.16
Cap Screw 5x50mm (10): GT55 Cap Screw 5x50mm (10): GT55
5 out of 5 Customer Rating
Cap Screw 5x50mm (10): GT55
$13.78
Cap Screw 3x28mm (10) Cap Screw 3x28mm (10)
3.6 out of 5 Customer Rating
Cap Screw 3x28mm (10)
$9.85
Woodruff Key: 120-240 Woodruff Key: 120-240
4.4 out of 5 Customer Rating
Woodruff Key: 120-240
$6.45
Main Shaft: OMA-2810-1250 Main Shaft: OMA-2810-1250
5 out of 5 Customer Rating
Main Shaft: OMA-2810-1250
$6.99
Slide Valve Stop Screw #21J Slide Valve Stop Screw #21J
5 out of 5 Customer Rating
Slide Valve Stop Screw #21J
$3.56 Price reduced from $11.87 to
Clearance Sale! ⓘ
Crankshaft O.S.Speed B21 Adam Drake II Crankshaft O.S.Speed B21 Adam Drake II
5 out of 5 Customer Rating
Crankshaft O.S.Speed B21 Adam Drake II
$193.59
Inner Head With O-Ring: O.S. Speed B2104 Inner Head With O-Ring: O.S. Speed B2104
3.8 out of 5 Customer Rating
Inner Head With O-Ring: O.S. Speed B2104
$59.01
FILTER OIL 20ML INS FILTER OIL 20ML INS
5 out of 5 Customer Rating
FILTER OIL 20ML INS
$15.99
Carburetor 21M: 21XZ-R VII Carburetor 21M: 21XZ-R VII
5 out of 5 Customer Rating
Carburetor 21M: 21XZ-R VII
$157.70
Carburetor Body: 21M(B), 21XZ-R Speed Carburetor Body: 21M(B), 21XZ-R Speed
4 out of 5 Customer Rating
Carburetor Body: 21M(B), 21XZ-R Speed
$29.34 Price reduced from $97.81 to
Clearance Sale! ⓘ
Crankshaft: 25XZ Crankshaft: 25XZ
3.4 out of 5 Customer Rating
Crankshaft: 25XZ
$34.50 Price reduced from $114.99 to
Clearance Sale! ⓘ
LC4 T-Maxx Revo Plug Medium LC4 T-Maxx Revo Plug Medium
4 out of 5 Customer Rating
LC4 T-Maxx Revo Plug Medium
$11.99
Exhaust Seal Ring (10) Exhaust Seal Ring (10)
5 out of 5 Customer Rating
Exhaust Seal Ring (10)
$33.61
Carburetor Complete 70T2: GF30 II Carburetor Complete 70T2: GF30 II
5 out of 5 Customer Rating
Carburetor Complete 70T2: GF30 II
$174.34
Carburetor #10K: 15CV-A Carburetor #10K: 15CV-A
4.5 out of 5 Customer Rating
Carburetor #10K: 15CV-A
$47.99
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