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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1,437-1,460 of 1,605 Results
O.S. Carburetor 12F5(B) Speed: T1203 O.S. Carburetor 12F5(B) Speed: T1203
4.2 out of 5 Customer Rating
O.S. Carburetor 12F5(B) Speed: T1203
$125.13
Carburetor 21J3-B: Speed B21 Adam Drake Carburetor 21J3-B: Speed B21 Adam Drake
4 out of 5 Customer Rating
Carburetor 21J3-B: Speed B21 Adam Drake
$162.92
P5 Turbo Glow Very Hot Plug Off-Road P5 Turbo Glow Very Hot Plug Off-Road
3.4 out of 5 Customer Rating
P5 Turbo Glow Very Hot Plug Off-Road
$18.99
Heat Sink Head: 50SX-H Heat Sink Head: 50SX-H
5 out of 5 Customer Rating
Heat Sink Head: 50SX-H
$50.76
Cover Plate: 50SX-H Cover Plate: 50SX-H
4.2 out of 5 Customer Rating
Cover Plate: 50SX-H
$11.80
O.S. Thermo Insulator 21J3 O.S. Thermo Insulator 21J3
3.4 out of 5 Customer Rating
O.S. Thermo Insulator 21J3
$14.99
Needle 21M: 21XZ-R Needle 21M: 21XZ-R
5 out of 5 Customer Rating
Needle 21M: 21XZ-R
$13.78
Metering Needle Assembly Speed 12TZ Metering Needle Assembly Speed 12TZ
5 out of 5 Customer Rating
Metering Needle Assembly Speed 12TZ
$5.74 Price reduced from $19.14 to
Clearance Sale! ⓘ
Piston Pin: 18CV-R Piston Pin: 18CV-R
4.4 out of 5 Customer Rating
Piston Pin: 18CV-R
$4.22 Price reduced from $14.07 to
Clearance Sale! ⓘ
Needle 3 (21M) Needle 3 (21M)
4 out of 5 Customer Rating
Needle 3 (21M)
$15.99
Carburetor Complete 21M4(B) W/O Reducer Carburetor Complete 21M4(B) W/O Reducer
4.8 out of 5 Customer Rating
Carburetor Complete 21M4(B) W/O Reducer
$176.99
P3 Turbo Glow Plug V-Spec Ultra Hot Off-Road P3 Turbo Glow Plug V-Spec Ultra Hot Off-Road
3.9 out of 5 Customer Rating
P3 Turbo Glow Plug V-Spec Ultra Hot Off-Road
$14.99
Dust Cover: #2BK Dust Cover: #2BK
4 out of 5 Customer Rating
Dust Cover: #2BK
$10.86
Piston: 55HZ Hyper Piston: 55HZ Hyper
3.6 out of 5 Customer Rating
Piston: 55HZ Hyper
$44.22
Piston Pin: 55HZ Hyper Piston Pin: 55HZ Hyper
4.7 out of 5 Customer Rating
Piston Pin: 55HZ Hyper
$10.94
Carburetor 40K: 46AXII Carburetor 40K: 46AXII
4.8 out of 5 Customer Rating
Carburetor 40K: 46AXII
$97.72
Gasket Set: FS-120 II Gasket Set: FS-120 II
5 out of 5 Customer Rating
Gasket Set: FS-120 II
$10.94
Connecting Rod: 50SX-H Connecting Rod: 50SX-H
4.4 out of 5 Customer Rating
Connecting Rod: 50SX-H
$25.44
#8 Glow Plug Long Medium Air Car #8 Glow Plug Long Medium Air Car
4.1 out of 5 Customer Rating
#8 Glow Plug Long Medium Air Car
$11.99
Woodruff Key: 61-91 Woodruff Key: 61-91
4.1 out of 5 Customer Rating
Woodruff Key: 61-91
$6.45
Inner Head: O.S. MAX-B21 Inner Head: O.S. MAX-B21
5 out of 5 Customer Rating
Inner Head: O.S. MAX-B21
$28.99
MAX-B21 Car Engine Combo Set MAX-B21 Car Engine Combo Set
4.2 out of 5 Customer Rating
MAX-B21 Car Engine Combo Set
$499.99
MAX-B21 Car Engine MAX-B21 Car Engine
3.1 out of 5 Customer Rating
MAX-B21 Car Engine
$349.99
Carburetor Complete 22E W/O Reducer: O.S. MAX-B21 Carburetor Complete 22E W/O Reducer: O.S. MAX-B21
5 out of 5 Customer Rating
Carburetor Complete 22E W/O Reducer: O.S. MAX-B21
$149.99
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