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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361-384 of 1,755 Results
Connecting Rod: 120AX Connecting Rod: 120AX
4.3 out of 5 Customer Rating
Connecting Rod: 120AX
$36.85
Inner Head O-Ring: (S-32)(Black) B2104 Inner Head O-Ring: (S-32)(Black) B2104
4.9 out of 5 Customer Rating
Inner Head O-Ring: (S-32)(Black) B2104
$10.70
Front Crankshaft Bearing: Speed T1202 Front Crankshaft Bearing: Speed T1202
5 out of 5 Customer Rating
Front Crankshaft Bearing: Speed T1202
$22.04
Cover Plate: B2101 Speed Cover Plate: B2101 Speed
3.7 out of 5 Customer Rating
Cover Plate: B2101 Speed
$25.44
Crankcase: B2101 Speed Crankcase: B2101 Speed
5 out of 5 Customer Rating
Crankcase: B2101 Speed
$152.45
Inner Head: 28XZ Inner Head: 28XZ
5 out of 5 Customer Rating
Inner Head: 28XZ
$57.86
Dust Cap Set, 3mm (5) & Carburetor Nipple Dust Cap Set, 3mm (5) & Carburetor Nipple
4.7 out of 5 Customer Rating
Dust Cap Set, 3mm (5) & Carburetor Nipple
$9.85
Carburetor Body: 21JN Carburetor Body: 21JN
3.7 out of 5 Customer Rating
Carburetor Body: 21JN
$79.99
Crankshaft: Recoil 30VG Crankshaft: Recoil 30VG
4.1 out of 5 Customer Rating
Crankshaft: Recoil 30VG
$66.04
Inner Head: speed 21XZ-B Spec III Inner Head: speed 21XZ-B Spec III
3.3 out of 5 Customer Rating
Inner Head: speed 21XZ-B Spec III
$52.69
Dust Cover: 18TM Dust Cover: 18TM
3.3 out of 5 Customer Rating
Dust Cover: 18TM
$9.85
Metering Needle Assembly: 21VZB (P) V-Spec 21C Metering Needle Assembly: 21VZB (P) V-Spec 21C
5 out of 5 Customer Rating
Metering Needle Assembly: 21VZB (P) V-Spec 21C
$19.14
Carburetor: FT160, FF320 Carburetor: FT160, FF320
4.1 out of 5 Customer Rating
Carburetor: FT160, FF320
$102.95
Mid Bearing: 120-240 Mid Bearing: 120-240
5 out of 5 Customer Rating
Mid Bearing: 120-240
$32.99
Plug Cable: Sirius 7 Plug Cable: Sirius 7
3.1 out of 5 Customer Rating
Plug Cable: Sirius 7
$10.94
Carburetor Body: #120AX Carburetor Body: #120AX
4.5 out of 5 Customer Rating
Carburetor Body: #120AX
$48.51
Carburetor Retainer: #61B, 91HZ Carburetor Retainer: #61B, 91HZ
5 out of 5 Customer Rating
Carburetor Retainer: #61B, 91HZ
$13.78
Connecting Rod: 35-40FP, 40 LA Connecting Rod: 35-40FP, 40 LA
4.7 out of 5 Customer Rating
Connecting Rod: 35-40FP, 40 LA
$21.10
Crankshaft: 120AX Crankshaft: 120AX
4.1 out of 5 Customer Rating
Crankshaft: 120AX
$80.37
Cylinder Head: 65AX Cylinder Head: 65AX
5 out of 5 Customer Rating
Cylinder Head: 65AX
$44.22
Cylinder Head & Valve: FT-300 Cylinder Head & Valve: FT-300
4.5 out of 5 Customer Rating
Cylinder Head & Valve: FT-300
$190.99
Cylinder Liner: 95AX Cylinder Liner: 95AX
4.1 out of 5 Customer Rating
Cylinder Liner: 95AX
$88.92
Gear Holder Screw: 30 Wankel Rotary Gear Holder Screw: 30 Wankel Rotary
4.7 out of 5 Customer Rating
Gear Holder Screw: 30 Wankel Rotary
$8.43
Piston Pin Retainer: GT33 Piston Pin Retainer: GT33
5 out of 5 Customer Rating
Piston Pin Retainer: GT33
$7.46
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