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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1,105-1,152 of 1,758 Results
Carburetor 21J4 (B) B21 Adam Drake II without Reducer Carburetor 21J4 (B) B21 Adam Drake II without Reducer
4 out of 5 Customer Rating
Carburetor 21J4 (B) B21 Adam Drake II without Reducer
$119.76
FILTER OIL 20ML INS FILTER OIL 20ML INS
5 out of 5 Customer Rating
FILTER OIL 20ML INS
$15.99
Carburetor 21J3-1: 21XR-B Version II Carburetor 21J3-1: 21XR-B Version II
5 out of 5 Customer Rating
Carburetor 21J3-1: 21XR-B Version II
$162.87
Carburetor 21M2-B: Speed R2101 Carburetor 21M2-B: Speed R2101
3.4 out of 5 Customer Rating
Carburetor 21M2-B: Speed R2101
$152.36
Carburetor Reducer 6mm, Red: B2101 Speed Carburetor Reducer 6mm, Red: B2101 Speed
5 out of 5 Customer Rating
Carburetor Reducer 6mm, Red: B2101 Speed
$21.10
Outer Head: 12XZ Speed Spec 3 Outer Head: 12XZ Speed Spec 3
5 out of 5 Customer Rating
Outer Head: 12XZ Speed Spec 3
$92.99
Outer Head: T1201 Speed Outer Head: T1201 Speed
5 out of 5 Customer Rating
Outer Head: T1201 Speed
$30.73 Price reduced from $102.46 to
Clearance Sale! ⓘ
Carburetor Body: #80R, FS-200S-P Carburetor Body: #80R, FS-200S-P
3.3 out of 5 Customer Rating
Carburetor Body: #80R, FS-200S-P
$97.90
Carburetor Retainer: 12TZ Spec II Carburetor Retainer: 12TZ Spec II
3.7 out of 5 Customer Rating
Carburetor Retainer: 12TZ Spec II
$13.78
Carburetor Body: 70R, FS155A-P Carburetor Body: 70R, FS155A-P
5 out of 5 Customer Rating
Carburetor Body: 70R, FS155A-P
$97.81
Crankcase: 65AX Crankcase: 65AX
5 out of 5 Customer Rating
Crankcase: 65AX
$34.36 Price reduced from $114.52 to
Clearance Sale! ⓘ
Crankcase: GT33 Crankcase: GT33
4 out of 5 Customer Rating
Crankcase: GT33
$97.81
O.S. Carburetor 22E (B) Without Reducer Type R O.S. Carburetor 22E (B) Without Reducer Type R
4.2 out of 5 Customer Rating
O.S. Carburetor 22E (B) Without Reducer Type R
$162.83
Carburetor 40L: 55HZ Hyper Carburetor 40L: 55HZ Hyper
4 out of 5 Customer Rating
Carburetor 40L: 55HZ Hyper
$152.36
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 Retainer: 61RX, SX Carburetor Retainer: 61RX, SX
4.1 out of 5 Customer Rating
Carburetor Retainer: 61RX, SX
$12.99
Carburetor Retainer: 21EX-B, R Carburetor Retainer: 21EX-B, R
4 out of 5 Customer Rating
Carburetor Retainer: 21EX-B, R
$11.87
Carburetor Rotor: #61B, 91HZ Carburetor Rotor: #61B, 91HZ
3.6 out of 5 Customer Rating
Carburetor Rotor: #61B, 91HZ
$13.19 Price reduced from $43.99 to
Clearance Sale! ⓘ
Carburetor Rotor: 60PS, FS-95V Carburetor Rotor: 60PS, FS-95V
5 out of 5 Customer Rating
Carburetor Rotor: 60PS, FS-95V
$30.44
Thrust Plate: O.S. Speed B2104 Thrust Plate: O.S. Speed B2104
5 out of 5 Customer Rating
Thrust Plate: O.S. Speed B2104
$9.53
Inner Head O.S.Speed B21 Adam Drake II Inner Head O.S.Speed B21 Adam Drake II
3.7 out of 5 Customer Rating
Inner Head O.S.Speed B21 Adam Drake II
$57.75
Carburetor #70N: FS120SII Carburetor #70N: FS120SII
4 out of 5 Customer Rating
Carburetor #70N: FS120SII
$141.93
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
Carburetor Rotor: 40L, 55HZ Hyper Carburetor Rotor: 40L, 55HZ Hyper
3.7 out of 5 Customer Rating
Carburetor Rotor: 40L, 55HZ Hyper
$11.97 Price reduced from $39.91 to
Clearance Sale! ⓘ
Carburetor Rotor: #60L, 91SX-H Carburetor Rotor: #60L, 91SX-H
4 out of 5 Customer Rating
Carburetor Rotor: #60L, 91SX-H
$29.49
Carburetor Rotor: 70R, FS155A-P Carburetor Rotor: 70R, FS155A-P
4.1 out of 5 Customer Rating
Carburetor Rotor: 70R, FS155A-P
$13.30 Price reduced from $44.34 to
Clearance Sale! ⓘ
Carburetor: #60RA, FS81A Carburetor: #60RA, FS81A
4.8 out of 5 Customer Rating
Carburetor: #60RA, FS81A
$102.96
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! ⓘ
Carb Reducer 7.5mm, Blue Carb Reducer 7.5mm, Blue
5 out of 5 Customer Rating
Carb Reducer 7.5mm, Blue
$20.99
Induction Silencer .12/.21: INS Induction Silencer .12/.21: INS
5 out of 5 Customer Rating
Induction Silencer .12/.21: INS
$46.39
Carburetor 12F4-B: Speed T1202 Carburetor 12F4-B: Speed T1202
3.1 out of 5 Customer Rating
Carburetor 12F4-B: Speed T1202
$37.54 Price reduced from $125.13 to
Clearance Sale! ⓘ
102 Super Air Cleaner 102 Super Air Cleaner
5 out of 5 Customer Rating
102 Super Air Cleaner
$21.10
Carburetor 22C-B: Speed B2102 Carburetor 22C-B: Speed B2102
3.1 out of 5 Customer Rating
Carburetor 22C-B: Speed B2102
$45.71 Price reduced from $152.36 to
Clearance Sale! ⓘ
Carburetor Reducer 6.5mm, Red: B2101 Speed Carburetor Reducer 6.5mm, Red: B2101 Speed
3.7 out of 5 Customer Rating
Carburetor Reducer 6.5mm, Red: B2101 Speed
$21.10
Muffler Extension: 761, 871 Muffler Extension: 761, 871
5 out of 5 Customer Rating
Muffler Extension: 761, 871
$16.09
Intake Manifold: GF40 Intake Manifold: GF40
3.6 out of 5 Customer Rating
Intake Manifold: GF40
$21.17
Self-Tapping Screw, 2X12 (10) Self-Tapping Screw, 2X12 (10)
3.7 out of 5 Customer Rating
Self-Tapping Screw, 2X12 (10)
$8.58
55HZ-R DRS Ringed .55 Helicopter Engine 55HZ-R DRS Ringed .55 Helicopter Engine
5 out of 5 Customer Rating
55HZ-R DRS Ringed .55 Helicopter Engine
$510.44
Carburetor Retainer: #61B, 91HZ Carburetor Retainer: #61B, 91HZ
5 out of 5 Customer Rating
Carburetor Retainer: #61B, 91HZ
$13.78
Carburetor: #11G Slide, 18CVR Carburetor: #11G Slide, 18CVR
3.3 out of 5 Customer Rating
Carburetor: #11G Slide, 18CVR
$87.29
Carburetor Screw: #103A2A Carburetor Screw: #103A2A
3.3 out of 5 Customer Rating
Carburetor Screw: #103A2A
$6.49
Carburetor 80T: Sirius 7 Carburetor 80T: Sirius 7
4.1 out of 5 Customer Rating
Carburetor 80T: Sirius 7
$52.52 Price reduced from $125.08 to
Clearance Sale! ⓘ
Carburetor #10K: 15CV-A Carburetor #10K: 15CV-A
4.5 out of 5 Customer Rating
Carburetor #10K: 15CV-A
$47.99
Carburetor Reducer 8mm, Red: 21VZB (P) V-Spec Carburetor Reducer 8mm, Red: 21VZB (P) V-Spec
3.7 out of 5 Customer Rating
Carburetor Reducer 8mm, Red: 21VZB (P) V-Spec
$11.80
Carburetor 61C: 95AX Carburetor 61C: 95AX
4.5 out of 5 Customer Rating
Carburetor 61C: 95AX
$97.80
M2004SC 85mm Manifold M2004SC 85mm Manifold
4.8 out of 5 Customer Rating
M2004SC 85mm Manifold
$65.28
Cylinder Head Fixing Screws: 21TM Cylinder Head Fixing Screws: 21TM
4.8 out of 5 Customer Rating
Cylinder Head Fixing Screws: 21TM
$9.85
R5 Glow Plug Cold On-Road R5 Glow Plug Cold On-Road
4.4 out of 5 Customer Rating
R5 Glow Plug Cold On-Road
$18.99
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