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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121-144 of 1,812 Results
Muffler Extension: 120AX Muffler Extension: 120AX
3.2 out of 5 Customer Rating
Muffler Extension: 120AX
$26.24
High Pressure Check Valve: 91HZ-R High Pressure Check Valve: 91HZ-R
5 out of 5 Customer Rating
High Pressure Check Valve: 91HZ-R
$21.10
Booster Cable: Single Booster Cable: Single
5 out of 5 Customer Rating
Booster Cable: Single
$21.04
Long Socket Wrench With Plug Grip Long Socket Wrench With Plug Grip
3.8 out of 5 Customer Rating
Long Socket Wrench With Plug Grip
$19.16
Gasket Carburetor: 40-61, FT-300 Gasket Carburetor: 40-61, FT-300
3.3 out of 5 Customer Rating
Gasket Carburetor: 40-61, FT-300
$6.49
Fuel Inlet Nipple: 12-240 Fuel Inlet Nipple: 12-240
4.9 out of 5 Customer Rating
Fuel Inlet Nipple: 12-240
$6.49
Thrust Washer: BGX-3500 Thrust Washer: BGX-3500
4.8 out of 5 Customer Rating
Thrust Washer: BGX-3500
$6.49
Rear Cover Plate: GT33 Rear Cover Plate: GT33
3.7 out of 5 Customer Rating
Rear Cover Plate: GT33
$34.76
Thrust Washer: 21-32 Thrust Washer: 21-32
3.3 out of 5 Customer Rating
Thrust Washer: 21-32
$6.49
Exhaust Gasket: GT33 Exhaust Gasket: GT33
5 out of 5 Customer Rating
Exhaust Gasket: GT33
$7.46
Assembly Screw: 55AX Assembly Screw: 55AX
5 out of 5 Customer Rating
Assembly Screw: 55AX
$9.85
Connecting Rod O.S. Speed R21 Connecting Rod O.S. Speed R21
4.1 out of 5 Customer Rating
Connecting Rod O.S. Speed R21
$59.99
Motor Mount: 46, 55AX Motor Mount: 46, 55AX
3.3 out of 5 Customer Rating
Motor Mount: 46, 55AX
$34.86
Muffler Extension: #744B Muffler Extension: #744B
4 out of 5 Customer Rating
Muffler Extension: #744B
$19.05
Rocker Cover: Sirius 7 Rocker Cover: Sirius 7
4.7 out of 5 Customer Rating
Rocker Cover: Sirius 7
$14.77
Valve Assembly: New FT-160 Valve Assembly: New FT-160
5 out of 5 Customer Rating
Valve Assembly: New FT-160
$36.85
7.0mm Carb Reducer (Red): AL2 O.S.SPEED R21GT2 7.0mm Carb Reducer (Red): AL2 O.S.SPEED R21GT2
3.1 out of 5 Customer Rating
7.0mm Carb Reducer (Red): AL2 O.S.SPEED R21GT2
$21.99
Cylinder Rebuild Kit: B21 Speed Adam Drake Cylinder Rebuild Kit: B21 Speed Adam Drake
3.6 out of 5 Customer Rating
Cylinder Rebuild Kit: B21 Speed Adam Drake
$232.25
Carburetor 21J3-B: Speed B21 Adam Drake Carburetor 21J3-B: Speed B21 Adam Drake
4 out of 5 Customer Rating
Carburetor 21J3-B: Speed B21 Adam Drake
$162.92
Air Filter: INS Air Filter: INS
3.4 out of 5 Customer Rating
Air Filter: INS
$40.99
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
Drive Washer: FS-95V8 Drive Washer: FS-95V8
3.4 out of 5 Customer Rating
Drive Washer: FS-95V8
$10.94
Needle Ext Cable: FR5 300 Needle Ext Cable: FR5 300
4.1 out of 5 Customer Rating
Needle Ext Cable: FR5 300
$8.49
Spinner Nut: 60-91 Spinner Nut: 60-91
5 out of 5 Customer Rating
Spinner Nut: 60-91
$15.78
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