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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1,441-1,464 of 1,755 Results
Valve Spring Seat: 56 FS Valve Spring Seat: 56 FS
4.8 out of 5 Customer Rating
Valve Spring Seat: 56 FS
$6.45
Valve Assembly Exhaust: FS-52 Surpass Valve Assembly Exhaust: FS-52 Surpass
5 out of 5 Customer Rating
Valve Assembly Exhaust: FS-52 Surpass
$22.26
Valve Collet: FS-120 Surpass Valve Collet: FS-120 Surpass
5 out of 5 Customer Rating
Valve Collet: FS-120 Surpass
$10.86
Venturi: 15FP S Venturi: 15FP S
4 out of 5 Customer Rating
Venturi: 15FP S
$9.85
Venturi: 55HZ, 105HZ Venturi: 55HZ, 105HZ
4 out of 5 Customer Rating
Venturi: 55HZ, 105HZ
$22.04
Connector Set: OMA-50 Connector Set: OMA-50
4 out of 5 Customer Rating
Connector Set: OMA-50
$15.99
Main Shaft: OMA-2810-1250 Main Shaft: OMA-2810-1250
5 out of 5 Customer Rating
Main Shaft: OMA-2810-1250
$6.99
Motor Mount: OMA-50 Series Motor Mount: OMA-50 Series
5 out of 5 Customer Rating
Motor Mount: OMA-50 Series
$19.99
Stator Assembly: 5020-490 .40 Stator Assembly: 5020-490 .40
3.6 out of 5 Customer Rating
Stator Assembly: 5020-490 .40
$92.99
90 Degree Muffler Extension: 120AX 90 Degree Muffler Extension: 120AX
4.3 out of 5 Customer Rating
90 Degree Muffler Extension: 120AX
$34.86
Mount Screw Mount Screw
4.4 out of 5 Customer Rating
Mount Screw
$6.49
Muffler Screws 20-46 (2) Muffler Screws 20-46 (2)
3.2 out of 5 Customer Rating
Muffler Screws 20-46 (2)
$6.49
Muffler Assembly: F-4050 FS-62V Muffler Assembly: F-4050 FS-62V
5 out of 5 Customer Rating
Muffler Assembly: F-4050 FS-62V
$52.73
Silencer Assembly Screws: #F-6010 FS-200S Silencer Assembly Screws: #F-6010 FS-200S
4.8 out of 5 Customer Rating
Silencer Assembly Screws: #F-6010 FS-200S
$9.85
O-Ring 1.2x54mm: GT55 O-Ring 1.2x54mm: GT55
3.6 out of 5 Customer Rating
O-Ring 1.2x54mm: GT55
$7.46
Pushrod Cover: FS-26 Surpass Pushrod Cover: FS-26 Surpass
5 out of 5 Customer Rating
Pushrod Cover: FS-26 Surpass
$8.49
Pushrod Cover: 120 Surpass Pushrod Cover: 120 Surpass
5 out of 5 Customer Rating
Pushrod Cover: 120 Surpass
$10.90
Piston Pin: FS-91 Surpass Piston Pin: FS-91 Surpass
3.3 out of 5 Customer Rating
Piston Pin: FS-91 Surpass
$10.86
Piston Ring: 91FX Piston Ring: 91FX
4.4 out of 5 Customer Rating
Piston Ring: 91FX
$26.24
Piston Pin with Pads: FS30S Piston Pin with Pads: FS30S
3.9 out of 5 Customer Rating
Piston Pin with Pads: FS30S
$9.85
Piston Ring: 140RX Piston Ring: 140RX
5 out of 5 Customer Rating
Piston Ring: 140RX
$32.56
Muffler Screws #843 (2) Muffler Screws #843 (2)
5 out of 5 Customer Rating
Muffler Screws #843 (2)
$6.49
Muffler Screw: 120AX Muffler Screw: 120AX
4.4 out of 5 Customer Rating
Muffler Screw: 120AX
$8.43
Nipple #7: FS-52 Supass Nipple #7: FS-52 Supass
5 out of 5 Customer Rating
Nipple #7: FS-52 Supass
$6.49
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