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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481-504 of 1,812 Results
Needle Adj Screw New: #60B Needle Adj Screw New: #60B
3.3 out of 5 Customer Rating
Needle Adj Screw New: #60B
$7.57
Piston Pin Retainer: 40PS Piston Pin Retainer: 40PS
5 out of 5 Customer Rating
Piston Pin Retainer: 40PS
$6.49
Piston Pin: FS-120 Piston Pin: FS-120
3.9 out of 5 Customer Rating
Piston Pin: FS-120
$14.73
Prop Nut: 61-120 Prop Nut: 61-120
3.9 out of 5 Customer Rating
Prop Nut: 61-120
$6.49
Prop Washer 10-12 Prop Washer 10-12
5 out of 5 Customer Rating
Prop Washer 10-12
$6.49
Pushrod: FS-62V Pushrod: FS-62V
5 out of 5 Customer Rating
Pushrod: FS-62V
$1,199.00
Needle Assembly Screw: 65LA Needle Assembly Screw: 65LA
5 out of 5 Customer Rating
Needle Assembly Screw: 65LA
$6.49
Valve Spring Retainer: GF40 Valve Spring Retainer: GF40
4.1 out of 5 Customer Rating
Valve Spring Retainer: GF40
$13.83
Main Shaft Stopper SET: OMA-50 Main Shaft Stopper SET: OMA-50
4.7 out of 5 Customer Rating
Main Shaft Stopper SET: OMA-50
$7.99
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
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: 35AX Crankcase: 35AX
3.3 out of 5 Customer Rating
Crankcase: 35AX
$48.51
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
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 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
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