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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1,053-1,076 of 1,605 Results
Radial Mount: Sirius 7 Radial Mount: Sirius 7
5 out of 5 Customer Rating
Radial Mount: Sirius 7
$135.66
Front Bearing: 40-240 Front Bearing: 40-240
4.2 out of 5 Customer Rating
Front Bearing: 40-240
$21.17
Carburetor Body: #70C Carburetor Body: #70C
4 out of 5 Customer Rating
Carburetor Body: #70C
$87.39
Carburetor Body: 80T, Sirius 7 Carburetor Body: 80T, Sirius 7
4.2 out of 5 Customer Rating
Carburetor Body: 80T, Sirius 7
$58.00
Carburetor Rotor: #60L, 91SX-H Carburetor Rotor: #60L, 91SX-H
4 out of 5 Customer Rating
Carburetor Rotor: #60L, 91SX-H
$29.49
Carburetor: #60RA, FS81A Carburetor: #60RA, FS81A
4.8 out of 5 Customer Rating
Carburetor: #60RA, FS81A
$102.96
Choke Valve: WLA-2, GT55 Choke Valve: WLA-2, GT55
5 out of 5 Customer Rating
Choke Valve: WLA-2, GT55
$14.99
Rear Cover Plate: GT22 Rear Cover Plate: GT22
5 out of 5 Customer Rating
Rear Cover Plate: GT22
$30.44
Crankcase: 95AX Crankcase: 95AX
4.4 out of 5 Customer Rating
Crankcase: 95AX
$125.04
Crankcase: 32SX-H Crankcase: 32SX-H
4.8 out of 5 Customer Rating
Crankcase: 32SX-H
$48.41
Cylinder Liner: FS110A Cylinder Liner: FS110A
5 out of 5 Customer Rating
Cylinder Liner: FS110A
$49.46
Thermo Insulator: 21B, 40E, 70C Carb Thermo Insulator: 21B, 40E, 70C Carb
5 out of 5 Customer Rating
Thermo Insulator: 21B, 40E, 70C Carb
$17.99
Link Rod: FR5 Link Rod: FR5
3.6 out of 5 Customer Rating
Link Rod: FR5
$9.81 Price reduced from $27.56 to
Clearance Sale! ⓘ
Mixture Control Vavle Assembly 70T: GF30 Mixture Control Vavle Assembly 70T: GF30
5 out of 5 Customer Rating
Mixture Control Vavle Assembly 70T: GF30
$27.29
Muffler Screw: 120AX Muffler Screw: 120AX
4.4 out of 5 Customer Rating
Muffler Screw: 120AX
$8.43
Nipple #7: FS-52 Supass Nipple #7: FS-52 Supass
5 out of 5 Customer Rating
Nipple #7: FS-52 Supass
$6.49
Needle #40N Needle #40N
5 out of 5 Customer Rating
Needle #40N
$13.78
Needle Assembly #7H #7F Needle Assembly #7H #7F
4.4 out of 5 Customer Rating
Needle Assembly #7H #7F
$22.04
O-Ring Large: 120Surpass O-Ring Large: 120Surpass
5 out of 5 Customer Rating
O-Ring Large: 120Surpass
$6.49
Piston Ring: FS110A Piston Ring: FS110A
5 out of 5 Customer Rating
Piston Ring: FS110A
$29.49
Rocker Support: FS155A-P Rocker Support: FS155A-P
5 out of 5 Customer Rating
Rocker Support: FS155A-P
$11.68 Price reduced from $38.95 to
Clearance Sale! ⓘ
Standoff 5x19.1mm 3/4" (4): GT55 Standoff 5x19.1mm 3/4" (4): GT55
3.2 out of 5 Customer Rating
Standoff 5x19.1mm 3/4" (4): GT55
$31.50
Main Shaft: OMA-2815-1100 Main Shaft: OMA-2815-1100
3.2 out of 5 Customer Rating
Main Shaft: OMA-2815-1100
$6.99
Cover Plate: GF30 II Cover Plate: GF30 II
4.2 out of 5 Customer Rating
Cover Plate: GF30 II
$44.17
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