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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1,225-1,248 of 1,605 Results
Breather Nipple: FS-20, 40 Breather Nipple: FS-20, 40
3.4 out of 5 Customer Rating
Breather Nipple: FS-20, 40
$6.49
Center Manifold: IL-300 Dia Star Center Manifold: IL-300 Dia Star
5 out of 5 Customer Rating
Center Manifold: IL-300 Dia Star
$14.53 Price reduced from $48.44 to
Clearance Sale! ⓘ
Piston Pin Retainer: GT15HZ Piston Pin Retainer: GT15HZ
5 out of 5 Customer Rating
Piston Pin Retainer: GT15HZ
$2.24 Price reduced from $7.46 to
Clearance Sale! ⓘ
Outer Head: 28XZ Outer Head: 28XZ
3.7 out of 5 Customer Rating
Outer Head: 28XZ
$102.52
Carburetor Body: #9B Carburetor Body: #9B
5 out of 5 Customer Rating
Carburetor Body: #9B
$54.64
Needle 3 (21M) Needle 3 (21M)
4 out of 5 Customer Rating
Needle 3 (21M)
$15.99
Intake Manifold Assembly A: IL-300 Dia Star Intake Manifold Assembly A: IL-300 Dia Star
4.1 out of 5 Customer Rating
Intake Manifold Assembly A: IL-300 Dia Star
$11.05 Price reduced from $36.85 to
Clearance Sale! ⓘ
Intake Manifold: FS-95V Intake Manifold: FS-95V
3.7 out of 5 Customer Rating
Intake Manifold: FS-95V
$34.76
Mixture Control Valve: 12F2 Mixture Control Valve: 12F2
5 out of 5 Customer Rating
Mixture Control Valve: 12F2
$5.15 Price reduced from $17.16 to
Clearance Sale! ⓘ
Piston: GGT10 Piston: GGT10
5 out of 5 Customer Rating
Piston: GGT10
$52.58
Electronic Ignition Module: GT55 Electronic Ignition Module: GT55
4.8 out of 5 Customer Rating
Electronic Ignition Module: GT55
$303.45
Muffler Extension: 761, 871 Muffler Extension: 761, 871
5 out of 5 Customer Rating
Muffler Extension: 761, 871
$16.09
Manifold Seal: FT-120-300 Manifold Seal: FT-120-300
3.6 out of 5 Customer Rating
Manifold Seal: FT-120-300
$11.84
Silencer Body: 56 FS Silencer Body: 56 FS
3.6 out of 5 Customer Rating
Silencer Body: 56 FS
$44.22
M11 In-Cowl Exhaust Header Pipe Inverted 80D: FS72A M11 In-Cowl Exhaust Header Pipe Inverted 80D: FS72A
4.4 out of 5 Customer Rating
M11 In-Cowl Exhaust Header Pipe Inverted 80D: FS72A
$36.85
Muffler Screws L (2): 120AX Muffler Screws L (2): 120AX
3.9 out of 5 Customer Rating
Muffler Screws L (2): 120AX
$6.49
Valve Throttle WLA-2: GT55 Valve Throttle WLA-2: GT55
4.1 out of 5 Customer Rating
Valve Throttle WLA-2: GT55
$15.76
Air Bleed Screw: FS-20, FS-40 Air Bleed Screw: FS-20, FS-40
3.4 out of 5 Customer Rating
Air Bleed Screw: FS-20, FS-40
$6.49
Carburetor Retainer: 21EX-B, R Carburetor Retainer: 21EX-B, R
4 out of 5 Customer Rating
Carburetor Retainer: 21EX-B, R
$11.87
Inner Head: 12XZ Speed Spec II Inner Head: 12XZ Speed Spec II
5 out of 5 Customer Rating
Inner Head: 12XZ Speed Spec II
$30.99
Motor Mount: 65LA, 61-91FX, 75AX Motor Mount: 65LA, 61-91FX, 75AX
4 out of 5 Customer Rating
Motor Mount: 65LA, 61-91FX, 75AX
$40.12
Carburetor Body: #60F Carburetor Body: #60F
5 out of 5 Customer Rating
Carburetor Body: #60F
$37.80
Rocker Arm Shaft: FS-95V Rocker Arm Shaft: FS-95V
4.8 out of 5 Customer Rating
Rocker Arm Shaft: FS-95V
$6.49
Plug Terminal: Sirius 7 Plug Terminal: Sirius 7
4.2 out of 5 Customer Rating
Plug Terminal: Sirius 7
$10.94
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