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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1,088-1,111 of 1,808 Results
Needle Holder 12F-B: 12XZ Speed Spec 3 Needle Holder 12F-B: 12XZ Speed Spec 3
5 out of 5 Customer Rating
Needle Holder 12F-B: 12XZ Speed Spec 3
$19.14
Rear Adapter Fixing Screws (10): 21TM Rear Adapter Fixing Screws (10): 21TM
5 out of 5 Customer Rating
Rear Adapter Fixing Screws (10): 21TM
$7.46
Cover Plate: 15CV-A Cover Plate: 15CV-A
5 out of 5 Customer Rating
Cover Plate: 15CV-A
$10.99
Cover Plate: GF40 Cover Plate: GF40
5 out of 5 Customer Rating
Cover Plate: GF40
$33.61
Crankcase: 35AX Crankcase: 35AX
3.3 out of 5 Customer Rating
Crankcase: 35AX
$48.51
Cover Plate: FS-200S-P Cover Plate: FS-200S-P
4.1 out of 5 Customer Rating
Cover Plate: FS-200S-P
$25.44
Crankcase Heat Sink: 91HZ Crankcase Heat Sink: 91HZ
3.7 out of 5 Customer Rating
Crankcase Heat Sink: 91HZ
$29.60
Crankcase: GF40 Crankcase: GF40
4.1 out of 5 Customer Rating
Crankcase: GF40
$135.64
Cylinder Head: GF40 Cylinder Head: GF40
3.7 out of 5 Customer Rating
Cylinder Head: GF40
$163.01
Cylinder Head: GGT15 Cylinder Head: GGT15
4.1 out of 5 Customer Rating
Cylinder Head: GGT15
$52.69
Drive Washer: GT55 Drive Washer: GT55
3.7 out of 5 Customer Rating
Drive Washer: GT55
$52.69
Exhaust Pipe Nut: FS-120 III Exhaust Pipe Nut: FS-120 III
3.9 out of 5 Customer Rating
Exhaust Pipe Nut: FS-120 III
$6.49
Front Plate: Sirius 7 Front Plate: Sirius 7
5 out of 5 Customer Rating
Front Plate: Sirius 7
$346.53
Cylinder Head Gasket, .2mm: 91HZ Cylinder Head Gasket, .2mm: 91HZ
3.7 out of 5 Customer Rating
Cylinder Head Gasket, .2mm: 91HZ
$7.46
Mixture Control Valve 80T: Sirius 7 Mixture Control Valve 80T: Sirius 7
3.3 out of 5 Customer Rating
Mixture Control Valve 80T: Sirius 7
$21.12
Muffler Body: 120Surpass Muffler Body: 120Surpass
5 out of 5 Customer Rating
Muffler Body: 120Surpass
$40.12
Muffler Screws L (2): 120AX Muffler Screws L (2): 120AX
3.9 out of 5 Customer Rating
Muffler Screws L (2): 120AX
$6.49
Needle Assembly 80T: Sirius 7 Needle Assembly 80T: Sirius 7
5 out of 5 Customer Rating
Needle Assembly 80T: Sirius 7
$11.80
O-Ring Small: 120Surpass O-Ring Small: 120Surpass
3.9 out of 5 Customer Rating
O-Ring Small: 120Surpass
$6.49
Pushrod Cover: FT-120-240 Pushrod Cover: FT-120-240
3.7 out of 5 Customer Rating
Pushrod Cover: FT-120-240
$9.44
Pushrod Cover: GF40 Pushrod Cover: GF40
4.7 out of 5 Customer Rating
Pushrod Cover: GF40
$14.84
Piston Pin Retainer P: 40-46 Piston Pin Retainer P: 40-46
3.9 out of 5 Customer Rating
Piston Pin Retainer P: 40-46
$6.49
Piston Pin: FS-91 Surpass Piston Pin: FS-91 Surpass
3.3 out of 5 Customer Rating
Piston Pin: FS-91 Surpass
$10.86
Piston Ring: 160FX Piston Ring: 160FX
4.3 out of 5 Customer Rating
Piston Ring: 160FX
$32.56
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