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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313-336 of 1,605 Results
Piston Pin: GGT10 Piston Pin: GGT10
4.4 out of 5 Customer Rating
$22.30
Piston Ring: GT33 Piston Ring: GT33
4.4 out of 5 Customer Rating
$25.44
Spark Plug 1 4-32 RCE: GF30 Spark Plug 1 4-32 RCE: GF30
4.4 out of 5 Customer Rating
$24.44
Propeller Washer: GT33 Propeller Washer: GT33
3.6 out of 5 Customer Rating
$8.52
Return Spring: #6H, #7H, #8H Return Spring: #6H, #7H, #8H
5 out of 5 Customer Rating
$4.99
Hex Head Screw 5x60mm (10): GT60 Hex Head Screw 5x60mm (10): GT60
3.6 out of 5 Customer Rating
$15.76
Slide Valve #60U Slide Valve #60U
5 out of 5 Customer Rating
$8.88 Price reduced from $29.60 to
Clearance Sale!
Crankcase: O.S. FS-64V Crankcase: O.S. FS-64V
3.6 out of 5 Customer Rating
$69.99
Valve Spring Retainer: F20-300 Valve Spring Retainer: F20-300
4.4 out of 5 Customer Rating
$6.49
Bearing L-1360ZZ Bearing L-1360ZZ
4.4 out of 5 Customer Rating
$14.99
Pump Plate 1 (PD-09): GF30 II Pump Plate 1 (PD-09): GF30 II
5 out of 5 Customer Rating
$44.30
O.S. MAX FS-52 SURPASS O.S. MAX FS-52 SURPASS
4.8 out of 5 Customer Rating
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Carburetor 40K: 46AXII Carburetor 40K: 46AXII
4.8 out of 5 Customer Rating
$97.72
Heat Sink Head: 37SZ-H Heat Sink Head: 37SZ-H
4 out of 5 Customer Rating
$50.72
Spinner Nut: 20-48 Spinner Nut: 20-48
4 out of 5 Customer Rating
$11.91
Silencer: F-6010, 200 Surpass Silencer: F-6010, 200 Surpass
4 out of 5 Customer Rating
$87.15
Carburetor Body: 61R, FS81 Alpha Pump Carburetor Body: 61R, FS81 Alpha Pump
5 out of 5 Customer Rating
$87.39
Connecting Rod: FS-61, 91 Connecting Rod: FS-61, 91
5 out of 5 Customer Rating
$26.24
Crankcase: FS-91-P Crankcase: FS-91-P
4 out of 5 Customer Rating
$119.77
Crankshaft: FS81 Alpha Crankshaft: FS81 Alpha
5 out of 5 Customer Rating
$73.87
Cylinder Head: FSa-56II Cylinder Head: FSa-56II
4.8 out of 5 Customer Rating
$70.43
Cylinder Head: FS-62V Cylinder Head: FS-62V
5 out of 5 Customer Rating
$27.30 Price reduced from $76.88 to
Clearance Sale!
Drive Shaft: Sirius 7 Drive Shaft: Sirius 7
4.4 out of 5 Customer Rating
$10.46 Price reduced from $34.86 to
Clearance Sale!
High Pressure Check Valve: 91HZ-R High Pressure Check Valve: 91HZ-R
5 out of 5 Customer Rating
$21.10