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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73-96 of 1,605 Results
Gasket Head: 21XM V2 Outboard Marine Gasket Head: 21XM V2 Outboard Marine
4.7 out of 5 Customer Rating
Gasket Head: 21XM V2 Outboard Marine
$6.49
Flywheel Nut: 21XM Flywheel Nut: 21XM
4.4 out of 5 Customer Rating
Flywheel Nut: 21XM
$2.55 Price reduced from $8.49 to
Clearance Sale! ⓘ
Flex Shaft Housing: 21XM Flex Shaft Housing: 21XM
3.6 out of 5 Customer Rating
Flex Shaft Housing: 21XM
$10.86
O-Ring Set #60B O-Ring Set #60B
5 out of 5 Customer Rating
O-Ring Set #60B
$2.53 Price reduced from $8.43 to
Clearance Sale! ⓘ
Low Unit Screw (4): 21XM Low Unit Screw (4): 21XM
3.6 out of 5 Customer Rating
Low Unit Screw (4): 21XM
$10.86
Crankshaft: 21XZ-M Inboard Marine Crankshaft: 21XZ-M Inboard Marine
5 out of 5 Customer Rating
Crankshaft: 21XZ-M Inboard Marine
$149.99
Prop Nut: 21XM Prop Nut: 21XM
3.9 out of 5 Customer Rating
Prop Nut: 21XM
$6.49
Arm Shaft Assembly: 21XM Arm Shaft Assembly: 21XM
3.9 out of 5 Customer Rating
Arm Shaft Assembly: 21XM
$13.75
Cover Plate: 21XZ-B Cover Plate: 21XZ-B
4.9 out of 5 Customer Rating
Cover Plate: 21XZ-B
$22.04
Rotor Guide Screw #20J Rotor Guide Screw #20J
5 out of 5 Customer Rating
Rotor Guide Screw #20J
$6.49
Type F Glow Plug Medium: Four Stroke Type F Glow Plug Medium: Four Stroke
5 out of 5 Customer Rating
Type F Glow Plug Medium: Four Stroke
$13.99
Valve Spring: FS-70 91SII Valve Spring: FS-70 91SII
5 out of 5 Customer Rating
Valve Spring: FS-70 91SII
$6.49
Screw Set (12): FS-120 Surpass Screw Set (12): FS-120 Surpass
4.7 out of 5 Customer Rating
Screw Set (12): FS-120 Surpass
$17.08
Cover Plate: 55HZ Hyper Cover Plate: 55HZ Hyper
4.1 out of 5 Customer Rating
Cover Plate: 55HZ Hyper
$11.72
Gasket Carburetor: F61-300 Gasket Carburetor: F61-300
4.8 out of 5 Customer Rating
Gasket Carburetor: F61-300
$6.49
Needle Valve Holder Assembly #61B: 91HZ Needle Valve Holder Assembly #61B: 91HZ
5 out of 5 Customer Rating
Needle Valve Holder Assembly #61B: 91HZ
$11.80
Main Shaft: OMA-3820-1200W Main Shaft: OMA-3820-1200W
3.5 out of 5 Customer Rating
Main Shaft: OMA-3820-1200W
$8.99
Rear Bearing: FS120 III Rear Bearing: FS120 III
3.7 out of 5 Customer Rating
Rear Bearing: FS120 III
$10.08 Price reduced from $33.61 to
Clearance Sale! ⓘ
TR02 Tuned Silencer Set EFRA2165 TR02 Tuned Silencer Set EFRA2165
4.7 out of 5 Customer Rating
TR02 Tuned Silencer Set EFRA2165
$227.84
Carburetor Dust Covers: #12FB, 12XZ Speed Carburetor Dust Covers: #12FB, 12XZ Speed
5 out of 5 Customer Rating
Carburetor Dust Covers: #12FB, 12XZ Speed
$7.46
Prop Washer: 40LA Prop Washer: 40LA
4.8 out of 5 Customer Rating
Prop Washer: 40LA
$6.49
Hex Head Screw 4x15mm (10) Hex Head Screw 4x15mm (10)
5 out of 5 Customer Rating
Hex Head Screw 4x15mm (10)
$11.80
Needle Valve Holder 61ER Needle Valve Holder 61ER
4 out of 5 Customer Rating
Needle Valve Holder 61ER
$11.80
Cover Gasket: 200 Surpass Cover Gasket: 200 Surpass
5 out of 5 Customer Rating
Cover Gasket: 200 Surpass
$6.49
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