O.S. Engines

O.S. Engines Category Image
Quality and performance has made O.S. the standard in RC engines for over 80 years.
Filter
Filter
Clear Filters
  • (1237)
  • (270)
  • (236)
  • (37)
  • (27)
  • (31)
  • (4)
  • (140)
  • (49)
  • (15)
  • (2)
  • (1)
  • (40)
  • (27)
  • (7)
  • (1)
  • (3)
  • (2)
  • (1)
1,369-1,392 of 1,808 Results
Ignition Module IG-05: GT15HZ Ignition Module IG-05: GT15HZ
4.4 out of 5 Customer Rating
Ignition Module IG-05: GT15HZ
$119.78
Silencer E3080: 35AX Silencer E3080: 35AX
5 out of 5 Customer Rating
Silencer E3080: 35AX
$34.86
Muffler Assembly Screw E2050-2: 21XM V2 Outboard Muffler Assembly Screw E2050-2: 21XM V2 Outboard
4 out of 5 Customer Rating
Muffler Assembly Screw E2050-2: 21XM V2 Outboard
$9.44
Piston Pin: 91RZ-H Ring Heli Piston Pin: 91RZ-H Ring Heli
5 out of 5 Customer Rating
Piston Pin: 91RZ-H Ring Heli
$11.99
Piston: FS72 Alpha Piston: FS72 Alpha
5 out of 5 Customer Rating
Piston: FS72 Alpha
$42.11
Piston: GT60 Piston: GT60
4.8 out of 5 Customer Rating
Piston: GT60
$152.45
Reed Valve Assembly: GT22 Reed Valve Assembly: GT22
5 out of 5 Customer Rating
Reed Valve Assembly: GT22
$26.99
Rocker Arm: FS115A-P Rocker Arm: FS115A-P
4.4 out of 5 Customer Rating
Rocker Arm: FS115A-P
$33.71
Rotation Sensor: GT33 Rotation Sensor: GT33
5 out of 5 Customer Rating
Rotation Sensor: GT33
$38.95
Screw Set(10): 160FX Screw Set(10): 160FX
5 out of 5 Customer Rating
Screw Set(10): 160FX
$17.16
Cap Screw 5x50mm (10): GT55 Cap Screw 5x50mm (10): GT55
5 out of 5 Customer Rating
Cap Screw 5x50mm (10): GT55
$13.78
Hex Head Screw 4x40mm (10) Hex Head Screw 4x40mm (10)
4.4 out of 5 Customer Rating
Hex Head Screw 4x40mm (10)
$11.80
Cap Screw 3x28mm (10) Cap Screw 3x28mm (10)
3.6 out of 5 Customer Rating
Cap Screw 3x28mm (10)
$9.85
Woodruff Key: 120-240 Woodruff Key: 120-240
4.4 out of 5 Customer Rating
Woodruff Key: 120-240
$6.45
Lock Washer 4mm Lock Washer 4mm
4.8 out of 5 Customer Rating
Lock Washer 4mm
$19.14
Bearing L-1040X2ZZ Bearing L-1040X2ZZ
5 out of 5 Customer Rating
Bearing L-1040X2ZZ
$14.99
Main Shaft: OMA-2810-1250 Main Shaft: OMA-2810-1250
5 out of 5 Customer Rating
Main Shaft: OMA-2810-1250
$6.99
Main Shaft: OMA3825-750W Main Shaft: OMA3825-750W
4.6 out of 5 Customer Rating
Main Shaft: OMA3825-750W
$8.49
Cam Cover: FS155A-P Cam Cover: FS155A-P
5 out of 5 Customer Rating
Cam Cover: FS155A-P
$11.91
Cam Follower: 200 Surpass Cam Follower: 200 Surpass
3.3 out of 5 Customer Rating
Cam Follower: 200 Surpass
$22.26
Carburetor Body: 40K, 46AXII Carburetor Body: 40K, 46AXII
4.5 out of 5 Customer Rating
Carburetor Body: 40K, 46AXII
$48.41
Carburetor Rotor: 70R, FS155A-P Carburetor Rotor: 70R, FS155A-P
4.1 out of 5 Customer Rating
Carburetor Rotor: 70R, FS155A-P
$44.34
Carburetor Rotor: 61H, GT15 Carburetor Rotor: 61H, GT15
4.1 out of 5 Customer Rating
Carburetor Rotor: 61H, GT15
$26.24
Carburetor Rotor: 61HB Carburetor Rotor: 61HB
4.7 out of 5 Customer Rating
Carburetor Rotor: 61HB
$26.24
Clear All

HORIZON HOBBY, WHERE RC MEMORIES LIVE.

Who We Are.

At Horizon Hobby, our personal goal is to inspire dreams and build memories. We take pride in providing the best hobby store experience for our customers, whether that’s online, at RC events, or in the RC community with RC cars, RC planes, RC boats, and so much more.

Our Values.

Our purpose is simple: deliver WOW moments. By pursuing the best experience through our portfolio of RC cars, helicopters, airplanes, boats, and more, we bring the RC community together in every city, town, and country. We are radio control innovators and Driven is our middle name.

Our Promise.

Our promise to our customers is creating one-of-a-kind experiences that keeps you coming back for more. We are more than an online hobby store. Our RC cars and trucks, RC airplanes and helicopters, and other radio control products are with you at home, on the go, and with your friends. We bring the fun.

Our policies are top notch:
Same Day Shipping
Free Shipping Over $99
Expert Product Support
Easy Returns
Sign up for Horizon Hobby Text Alerts!

Never miss out - text HOBBY to 44721Learn More

Shop
Support
Company Info
Legal
Copyright © Horizon Hobby, LLC