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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1,033-1,056 of 1,605 Results
Needle Inlet Valve WLA-2: GT55 Needle Inlet Valve WLA-2: GT55
5 out of 5 Customer Rating
Needle Inlet Valve WLA-2: GT55
$17.11
Piston Ring: 200 Surpass Piston Ring: 200 Surpass
4.7 out of 5 Customer Rating
Piston Ring: 200 Surpass
$37.80
Prop Washer: 20-40 Prop Washer: 20-40
5 out of 5 Customer Rating
Prop Washer: 20-40
$6.49
Pushrod: FS72 Alpha Pushrod: FS72 Alpha
4.5 out of 5 Customer Rating
Pushrod: FS72 Alpha
$2.96 Price reduced from $9.85 to
Clearance Sale! ⓘ
Cap Screw Set M2.6x7: 18TZ Cap Screw Set M2.6x7: 18TZ
4.7 out of 5 Customer Rating
Cap Screw Set M2.6x7: 18TZ
$9.85
Wave Washer: Sirius 7 Wave Washer: Sirius 7
5 out of 5 Customer Rating
Wave Washer: Sirius 7
$6.49
Main Shaft: 5010-810 Main Shaft: 5010-810
3.3 out of 5 Customer Rating
Main Shaft: 5010-810
$10.99
Stator Assembly: 5010-810 Stator Assembly: 5010-810
5 out of 5 Customer Rating
Stator Assembly: 5010-810
$67.99
Crankshaft Clamp: 32-46 Crankshaft Clamp: 32-46
5 out of 5 Customer Rating
Crankshaft Clamp: 32-46
$25.44
Self-Tapping Screw, 2X12 (10) Self-Tapping Screw, 2X12 (10)
3.7 out of 5 Customer Rating
Self-Tapping Screw, 2X12 (10)
$8.58
Flex Pipe 240mm 1114A: FT-300 Flex Pipe 240mm 1114A: FT-300
5 out of 5 Customer Rating
Flex Pipe 240mm 1114A: FT-300
$48.32
Carburetor Body: #60J Carburetor Body: #60J
4.1 out of 5 Customer Rating
Carburetor Body: #60J
$21.10
Carburetor Body: FS-52 Carburetor Body: FS-52
4.1 out of 5 Customer Rating
Carburetor Body: FS-52
$29.49
Carburetor Screw: FS-20 Carburetor Screw: FS-20
5 out of 5 Customer Rating
Carburetor Screw: FS-20
$6.49
Connecting Rod: FS81 Alpha Connecting Rod: FS81 Alpha
3.9 out of 5 Customer Rating
Connecting Rod: FS81 Alpha
$27.29
Connecting Rod: GGT10 Connecting Rod: GGT10
4.9 out of 5 Customer Rating
Connecting Rod: GGT10
$48.47
Header Pipe Spring Header Pipe Spring
3.7 out of 5 Customer Rating
Header Pipe Spring
$11.80
Carburetor Retainer: 12TZ Spec II Carburetor Retainer: 12TZ Spec II
3.7 out of 5 Customer Rating
Carburetor Retainer: 12TZ Spec II
$13.78
Cover Plate: 25XZ Cover Plate: 25XZ
5 out of 5 Customer Rating
Cover Plate: 25XZ
$21.28
Crankshaft: 21VZ-B (P) Crankshaft: 21VZ-B (P)
4.5 out of 5 Customer Rating
Crankshaft: 21VZ-B (P)
$34.67 Price reduced from $115.57 to
Clearance Sale! ⓘ
Outer Head: 28XZ Outer Head: 28XZ
3.7 out of 5 Customer Rating
Outer Head: 28XZ
$102.52
Inner Head: 25XZ Inner Head: 25XZ
3.7 out of 5 Customer Rating
Inner Head: 25XZ
$57.99
Outer Head: 21XZ-B Spec 2 Outer Head: 21XZ-B Spec 2
3.7 out of 5 Customer Rating
Outer Head: 21XZ-B Spec 2
$125.67
Needle #20E Needle #20E
4.5 out of 5 Customer Rating
Needle #20E
$13.78
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