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)
  • (241)
  • (36)
  • (27)
  • (1)
  • (31)
  • (4)
  • (147)
  • (49)
  • (15)
  • (2)
  • (1)
  • (1)
  • (36)
  • (25)
  • (5)
  • (1)
  • (3)
  • (2)
  • (1)
1,465-1,488 of 1,812 Results
Silencer E3080: 35AX Silencer E3080: 35AX
5 out of 5 Customer Rating
Silencer E3080: 35AX
$34.86
Muffler Assembly F-5050: FS-95V Muffler Assembly F-5050: FS-95V
4.4 out of 5 Customer Rating
Muffler Assembly F-5050: FS-95V
$63.04
Silencer Assembly F-5040: FS110A Silencer Assembly F-5040: FS110A
3.6 out of 5 Customer Rating
Silencer Assembly F-5040: FS110A
$57.86
Muffler Body F-5050: FS-95V Muffler Body F-5050: FS-95V
5 out of 5 Customer Rating
Muffler Body F-5050: FS-95V
$52.73
Muffler E-5040: GT22 Muffler E-5040: GT22
5 out of 5 Customer Rating
Muffler E-5040: GT22
$91.51
Spark Plug 1 4-32 RCE: GF30 Spark Plug 1 4-32 RCE: GF30
4.4 out of 5 Customer Rating
Spark Plug 1 4-32 RCE: GF30
$24.44
Prop Spacer 120-300 Prop Spacer 120-300
5 out of 5 Customer Rating
Prop Spacer 120-300
$8.43
Piston Ring: GT22 Piston Ring: GT22
3.3 out of 5 Customer Rating
Piston Ring: GT22
$25.44
Piston Ring: GT60 Piston Ring: GT60
4.7 out of 5 Customer Rating
Piston Ring: GT60
$30.44
Prop Washer: 40LA Prop Washer: 40LA
4.8 out of 5 Customer Rating
Prop Washer: 40LA
$6.49
Prop Washer: 61-90 Prop Washer: 61-90
4 out of 5 Customer Rating
Prop Washer: 61-90
$6.49
Propeller Washer: GT33 Propeller Washer: GT33
3.6 out of 5 Customer Rating
Propeller Washer: GT33
$8.52
Lever Metering Pin WLA-2: GT55 Lever Metering Pin WLA-2: GT55
4.8 out of 5 Customer Rating
Lever Metering Pin WLA-2: GT55
$6.49
Throttle Stop Screw #40D Throttle Stop Screw #40D
5 out of 5 Customer Rating
Throttle Stop Screw #40D
$6.49
O.S. Metering Needle Assembly 22D Speed B2103 O.S. Metering Needle Assembly 22D Speed B2103
3.4 out of 5 Customer Rating
O.S. Metering Needle Assembly 22D Speed B2103
$19.14
Thrust Washer 10-15 Thrust Washer 10-15
4.5 out of 5 Customer Rating
Thrust Washer 10-15
$6.49
Manifold Nut M9 Manifold Nut M9
3.6 out of 5 Customer Rating
Manifold Nut M9
$6.49
90 Degree Muffler Extension Screws (2): 120AX 90 Degree Muffler Extension Screws (2): 120AX
3.6 out of 5 Customer Rating
90 Degree Muffler Extension Screws (2): 120AX
$6.49
Muffler Assembly Screw: F6020 FS155A-P Muffler Assembly Screw: F6020 FS155A-P
5 out of 5 Customer Rating
Muffler Assembly Screw: F6020 FS155A-P
$9.85
Needle Assembly #10E Needle Assembly #10E
5 out of 5 Customer Rating
Needle Assembly #10E
$25.44
Screw Idle Speed WLA-2: GT55 Screw Idle Speed WLA-2: GT55
3.4 out of 5 Customer Rating
Screw Idle Speed WLA-2: GT55
$23.99
Pushrod: FS-91 Surpass Pushrod: FS-91 Surpass
3.4 out of 5 Customer Rating
Pushrod: FS-91 Surpass
$9.44
Ratchet Spring #1A #10 Ratchet Spring #1A #10
4.8 out of 5 Customer Rating
Ratchet Spring #1A #10
$5.99
Prop Washer: 40-61 Prop Washer: 40-61
3.7 out of 5 Customer Rating
Prop Washer: 40-61
$6.49
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