With over 70 years if ebgube expertise, O.S. knows how to stay in front of the competition. Designing and Engineering RC Aircraft Engines, Heli Engines, Car Engines as well as parts and accessories, O.S Engines are well built and undergo years of testing to ensure performance for your model.

Competitors come and go, but champions keep on winning. For rock-solid dependability and title-taking performance, there's only one choice in the long run: O.S.


New O.S. Engines Arrivals


Popular O.S. Engines Products


All O.S. Engines Products


OS 71615009 GLOW PLUG TYPE F

OS 71615009 GLOW PLUG TYPE F

$12.99

ASSEMBLY SCREW

ASSEMBLY SCREW

$15.00

DRIVE WASHER 46AX

DRIVE WASHER 46AX

$19.95

GT-33 GAS ENGINE - 5030 SILE

GT-33 GAS ENGINE - 5030 SILE

$559.00

OS 120 MAX 120AX OSM19210

OS 120 MAX 120AX OSM19210

$429.99

OS 37 SZ-H RING HELICOPTER MOTOR

OS 37 SZ-H RING HELICOPTER MOTOR

$249.99

11% OFF RRP $279.99
OS 65AX ABL W-MUFFLER

OS 65AX ABL W-MUFFLER

$309.99

OS 71608001 GLOW PLUG NO.8

OS 71608001 GLOW PLUG NO.8

$9.99

OS Engines 10fp-Mx Starting Shaft
56% OFF RRP $15.99
OS Engines 12cv Machine Heatsink Head (Red)
63% OFF RRP $66.99
OS Engines 12cvx Starting Shaft
58% OFF RRP $18.99
OS Engines 1ab-K Up-Needle Valve Assy
63% OFF RRP $31.99
OS Engines 21rz-V99b Crankcase

OS Engines 21rz-V99b Crankcase

$38.99

64% OFF RRP $106.99
OS Engines 2d.4e Throttle Stop Screw
50% OFF RRP $3.99
OS Engines 2d.4e Throttle Stop Screw Ass
50% OFF RRP $5.99
OS Engines 32f-H Piston Pin

OS Engines 32f-H Piston Pin

$3.99

60% OFF RRP $9.99
OS Engines 45mm Brushless RC Heli Motor OSM51020110
54% OFF RRP $99.99
OS Engines 48/52 Intake Valve Assy (See Also 44260000)
56% OFF RRP $8.99
OS Engines 61sfn Cylinder Liner

OS Engines 61sfn Cylinder Liner

$50.99

64% OFF RRP $140.99
OS Engines 65vr Cylinder & Piston As
64% OFF RRP $269.99