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
  • (1201)
  • (199)
  • (158)
  • (27)
  • (19)
  • (1)
  • (31)
  • (3)
  • (129)
  • (40)
  • (15)
  • (2)
  • (1)
  • (1)
  • (27)
  • (19)
  • (3)
  • (1)
  • (3)
  • (2)
  • (1)
1,249-1,272 of 1,605 Results
Exhaust Joint Nut: FS-120 Surpass Exhaust Joint Nut: FS-120 Surpass
4.4 out of 5 Customer Rating
Exhaust Joint Nut: FS-120 Surpass
$8.49
Manifold Seal: FT-120-300 Manifold Seal: FT-120-300
3.6 out of 5 Customer Rating
Manifold Seal: FT-120-300
$11.84
Mixture Control Screw: #2F and #2FB Mixture Control Screw: #2F and #2FB
5 out of 5 Customer Rating
Mixture Control Screw: #2F and #2FB
$9.44
Needle Valve Assembly: #60B Needle Valve Assembly: #60B
3.6 out of 5 Customer Rating
Needle Valve Assembly: #60B
$22.30
Needle Assembly: #61B, 91HZ Needle Assembly: #61B, 91HZ
5 out of 5 Customer Rating
Needle Assembly: #61B, 91HZ
$14.73
Mid Needle Valve Assebly: 61ER, 941HZ-R Mid Needle Valve Assebly: 61ER, 941HZ-R
3.6 out of 5 Customer Rating
Mid Needle Valve Assebly: 61ER, 941HZ-R
$22.30
O-Ring: 21TM O-Ring: 21TM
5 out of 5 Customer Rating
O-Ring: 21TM
$9.74
Piston: FS-40 Surpass Piston: FS-40 Surpass
5 out of 5 Customer Rating
Piston: FS-40 Surpass
$25.29
Piston Pin Retainer: 61RX SX Piston Pin Retainer: 61RX SX
3.2 out of 5 Customer Rating
Piston Pin Retainer: 61RX SX
$6.45
Rear Housing: GT60 Rear Housing: GT60
4.4 out of 5 Customer Rating
Rear Housing: GT60
$87.18
Rocker Cover: 120 Surpass Rocker Cover: 120 Surpass
4.4 out of 5 Customer Rating
Rocker Cover: 120 Surpass
$14.73
Rotor Stop Holder #2K 74 Rotor Stop Holder #2K 74
3.2 out of 5 Customer Rating
Rotor Stop Holder #2K 74
$2.24 Price reduced from $7.46 to
Clearance Sale! ⓘ
Cap Screw 5x25mm (10): GT55 Cap Screw 5x25mm (10): GT55
5 out of 5 Customer Rating
Cap Screw 5x25mm (10): GT55
$13.78
Throttle Lever #2F #2FB Throttle Lever #2F #2FB
4.8 out of 5 Customer Rating
Throttle Lever #2F #2FB
$7.49
Throttle Arm Assembly WLA-2: GT55 Throttle Arm Assembly WLA-2: GT55
4 out of 5 Customer Rating
Throttle Arm Assembly WLA-2: GT55
$7.46
Stator Assembly: 5020-490 .40 Stator Assembly: 5020-490 .40
3.6 out of 5 Customer Rating
Stator Assembly: 5020-490 .40
$27.90 Price reduced from $92.99 to
Clearance Sale! ⓘ
Head Gasket: 0.1, 0.15, R2101 Speed Head Gasket: 0.1, 0.15, R2101 Speed
4 out of 5 Customer Rating
Head Gasket: 0.1, 0.15, R2101 Speed
$10.94
Metering Needle Assembly 18TM Metering Needle Assembly 18TM
3.6 out of 5 Customer Rating
Metering Needle Assembly 18TM
$16.09
Piston Pin: 19XZ-B Speed Piston Pin: 19XZ-B Speed
3.6 out of 5 Customer Rating
Piston Pin: 19XZ-B Speed
$8.61
Screw Set (8): 15CV-A Screw Set (8): 15CV-A
5 out of 5 Customer Rating
Screw Set (8): 15CV-A
$9.44
Thermo Insulator 21J3 Thermo Insulator 21J3
4.6 out of 5 Customer Rating
Thermo Insulator 21J3
$19.14
Inner Head O-Ring O.S. T1204 (S30-FKM) Inner Head O-Ring O.S. T1204 (S30-FKM)
5 out of 5 Customer Rating
Inner Head O-Ring O.S. T1204 (S30-FKM)
$9.89
Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition
5 out of 5 Customer Rating
Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition
$22.11
Carburetor 21M2-B: Speed R2101 Carburetor 21M2-B: Speed R2101
3.4 out of 5 Customer Rating
Carburetor 21M2-B: Speed R2101
$152.36
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