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 Engines Throttle Lever Assembly 40g (46ax)
26% OFF RRP $6.99
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 71608001 GLOW PLUG NO.8

OS 71608001 GLOW PLUG NO.8

$10.99

OS 71615009 GLOW PLUG TYPE F

OS 71615009 GLOW PLUG TYPE F

$11.99

8% OFF RRP $12.99
OS ENGINE COVER PLATE GT33 OSM28307000
14% OFF RRP $35.99
OS Engines 1/4-M5 Lock Nut Set

OS Engines 1/4-M5 Lock Nut Set

$24.99

7% OFF RRP $26.99
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 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 48/52 Intake Valve Assy (See Also 44260000)
56% OFF RRP $8.99
OS Engines 5/16-M5 Lock Nut Set (L)
16% OFF RRP $44.99
OS Engines 5/16-M5 Lock Nut Set(True-Turn Spinner)
20% OFF RRP $34.99
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
OS Engines Adaptor Fixing Screw E-5010 (Csm5x15)
26% OFF RRP $6.99
OS Engines Air Bleed Screw 60w (Fl70)
57% OFF RRP $6.99
OS Engines Ball Bearing (F) 25fx.32sx.37sz
5% OFF RRP $19.99
OS Engines Ball Bearing (F) 40-61.70s.91s
5% OFF RRP $19.99
OS Engines Ball Bearing (F) Fs-95v
60% OFF RRP $19.99
OS Engines Ball Bearing (F) Fs52s
5% OFF RRP $19.99