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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405-428 of 1,605 Results
Carburetor Rotor: #60Y, FS110A Carburetor Rotor: #60Y, FS110A
3.3 out of 5 Customer Rating
Carburetor Rotor: #60Y, FS110A
$10.45 Price reduced from $34.86 to
Clearance Sale! ⓘ
Connecting Rod: 200 Surpass Connecting Rod: 200 Surpass
5 out of 5 Customer Rating
Connecting Rod: 200 Surpass
$48.51
Rear Cover Plate: GT33 Rear Cover Plate: GT33
3.7 out of 5 Customer Rating
Rear Cover Plate: GT33
$34.76
Crankshaft: 65AX Crankshaft: 65AX
3.7 out of 5 Customer Rating
Crankshaft: 65AX
$57.78
Cylinder & Piston: 46AX Cylinder & Piston: 46AX
3.7 out of 5 Customer Rating
Cylinder & Piston: 46AX
$99.51
Cylinder & Piston: 25LA Cylinder & Piston: 25LA
5 out of 5 Customer Rating
Cylinder & Piston: 25LA
$35.48
Drive Washer: 21-25 Drive Washer: 21-25
4.7 out of 5 Customer Rating
Drive Washer: 21-25
$11.80
Exhaust Cam: Sirius 7 Exhaust Cam: Sirius 7
3.9 out of 5 Customer Rating
Exhaust Cam: Sirius 7
$21.11 Price reduced from $70.37 to
Clearance Sale! ⓘ
Gasket Carburetor: FS-120 Gasket Carburetor: FS-120
4.5 out of 5 Customer Rating
Gasket Carburetor: FS-120
$6.49
Gasket Carburetor: 40-61, FT-300 Gasket Carburetor: 40-61, FT-300
3.3 out of 5 Customer Rating
Gasket Carburetor: 40-61, FT-300
$6.49
Gasket Carburetor: GF40 Gasket Carburetor: GF40
3.9 out of 5 Customer Rating
Gasket Carburetor: GF40
$11.91
Intake Manifold: FS155A-P Intake Manifold: FS155A-P
5 out of 5 Customer Rating
Intake Manifold: FS155A-P
$38.03
Intake Pipe AS-R: FT-120 160 Intake Pipe AS-R: FT-120 160
4.1 out of 5 Customer Rating
Intake Pipe AS-R: FT-120 160
$22.30
Mixture Control Valve: 61ER Mixture Control Valve: 61ER
5 out of 5 Customer Rating
Mixture Control Valve: 61ER
$8.84 Price reduced from $29.49 to
Clearance Sale! ⓘ
Exhaust Header Pipe Assembly: 200 Surpass Exhaust Header Pipe Assembly: 200 Surpass
5 out of 5 Customer Rating
Exhaust Header Pipe Assembly: 200 Surpass
$22.26
Muffler Extension Screws 120AX (2) Muffler Extension Screws 120AX (2)
5 out of 5 Customer Rating
Muffler Extension Screws 120AX (2)
$6.49
Exhaust Header Pipe Assembly F-4050: FS-62V Exhaust Header Pipe Assembly F-4050: FS-62V
4.3 out of 5 Customer Rating
Exhaust Header Pipe Assembly F-4050: FS-62V
$14.84
O-Ring P3-FKM 61H: GT15 O-Ring P3-FKM 61H: GT15
3.3 out of 5 Customer Rating
O-Ring P3-FKM 61H: GT15
$10.94
Piston: FS155A-P Piston: FS155A-P
4.1 out of 5 Customer Rating
Piston: FS155A-P
$17.39 Price reduced from $57.96 to
Clearance Sale! ⓘ
Rocker Arm: FS95V Rocker Arm: FS95V
3.7 out of 5 Customer Rating
Rocker Arm: FS95V
$28.45
Screw Set: FS-48 Surpass Screw Set: FS-48 Surpass
4.7 out of 5 Customer Rating
Screw Set: FS-48 Surpass
$10.90
Cap Screw 5x15mm (10): GT55 Cap Screw 5x15mm (10): GT55
4.7 out of 5 Customer Rating
Cap Screw 5x15mm (10): GT55
$13.78
Allen Head Screws M3.5x12 (10) Allen Head Screws M3.5x12 (10)
5 out of 5 Customer Rating
Allen Head Screws M3.5x12 (10)
$9.85
Throttle Lever #2CK Throttle Lever #2CK
4.5 out of 5 Customer Rating
Throttle Lever #2CK
$6.49
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