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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1,393-1,416 of 1,605 Results
202 Super Air Cleaner 202 Super Air Cleaner
4 out of 5 Customer Rating
202 Super Air Cleaner
$22.26
Crankcase: 25FX Crankcase: 25FX
5 out of 5 Customer Rating
Crankcase: 25FX
$44.10
Carburetor Rotor: 61H, GT15 Carburetor Rotor: 61H, GT15
4.1 out of 5 Customer Rating
Carburetor Rotor: 61H, GT15
$7.87 Price reduced from $26.24 to
Clearance Sale! ⓘ
Muffler Assembly F-5050: FS-95V Muffler Assembly F-5050: FS-95V
4.4 out of 5 Customer Rating
Muffler Assembly F-5050: FS-95V
$63.04
Carburetor Reducer 7.0MM AL2, Blue Carburetor Reducer 7.0MM AL2, Blue
5 out of 5 Customer Rating
Carburetor Reducer 7.0MM AL2, Blue
$20.05
Velocity Stack: GF40 Velocity Stack: GF40
5 out of 5 Customer Rating
Velocity Stack: GF40
$25.44
Cover Plate: GT55 Cover Plate: GT55
5 out of 5 Customer Rating
Cover Plate: GT55
$41.99
Carburetor Reducer AL2 5.5mm, Red: Speed T1202 Carburetor Reducer AL2 5.5mm, Red: Speed T1202
5 out of 5 Customer Rating
Carburetor Reducer AL2 5.5mm, Red: Speed T1202
$21.10
Needle Assembly #60R Needle Assembly #60R
4 out of 5 Customer Rating
Needle Assembly #60R
$22.04
Main Shaft: 5010-810 Main Shaft: 5010-810
3.3 out of 5 Customer Rating
Main Shaft: 5010-810
$10.99
Cover Plate: FS91-P Cover Plate: FS91-P
5 out of 5 Customer Rating
Cover Plate: FS91-P
$21.10
Carburetor Insert: #9B Carburetor Insert: #9B
4.1 out of 5 Customer Rating
Carburetor Insert: #9B
$7.99
Lock Washer 3mm Lock Washer 3mm
3.7 out of 5 Customer Rating
Lock Washer 3mm
$19.14
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
Cylinder Head: O.S. FS-64V Cylinder Head: O.S. FS-64V
5 out of 5 Customer Rating
Cylinder Head: O.S. FS-64V
$76.99
Metering Needle Assembly: 21VG Metering Needle Assembly: 21VG
3.9 out of 5 Customer Rating
Metering Needle Assembly: 21VG
$16.99
O-Ring Large: 120Surpass O-Ring Large: 120Surpass
5 out of 5 Customer Rating
O-Ring Large: 120Surpass
$6.49
Carburetor Rotor: #2A Carburetor Rotor: #2A
4.1 out of 5 Customer Rating
Carburetor Rotor: #2A
$3.50 Price reduced from $11.72 to
Clearance Sale! ⓘ
Piston Pin: 15LA CV LD Piston Pin: 15LA CV LD
5 out of 5 Customer Rating
Piston Pin: 15LA CV LD
$8.49
Crankshaft Clamp: GT15, 105, 91 Heli Crankshaft Clamp: GT15, 105, 91 Heli
3.3 out of 5 Customer Rating
Crankshaft Clamp: GT15, 105, 91 Heli
$25.44
Locknut Set 3/8M5S Locknut Set 3/8M5S
3.9 out of 5 Customer Rating
Locknut Set 3/8M5S
$26.24
Connecting Rod: GT33 Connecting Rod: GT33
5 out of 5 Customer Rating
Connecting Rod: GT33
$67.42
Gasket Carburetor: #60B Gasket Carburetor: #60B
5 out of 5 Customer Rating
Gasket Carburetor: #60B
$6.49
Metering Needle Assembly: 30VG Metering Needle Assembly: 30VG
5 out of 5 Customer Rating
Metering Needle Assembly: 30VG
$19.14
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