Skip to main content
Hi !Hi! Sign in or registerHelp & Contact
Sell
Watchlist
My eBay
  • Summary
  • Recently Viewed
  • Bids/Offers
  • Watchlist
  • Purchase History
  • Selling
  • Saved feed
  • Saved Searches
  • Saved Sellers
  • Messages
Please sign-in to view notifications.
Loading...
eBay Home
Advanced
Copyright © 1995-2025 eBay Inc. All Rights Reserved. User Agreement, Privacy, Payments Terms of Use, Cookies and AdChoice

Hobby RC Motor & Engine Parts & Accessories for OS Helicopters

More to explore

  • 21 Nitro Engine In Hobby Rc Motor & Engine Parts & Accessories
  • 26cc Engine Indiana Hobby RC Motors & Engine Parts & Accessories
  • Dle 55 In Hobby Rc Motor & Engine Parts & Accessories
  • Os 21 Engine In Hobby Rc Motor & Engine Parts & Accessories
  • Os 48 Surpass In Hobby Rc Motor & Engine Parts & Accessories
  • Os Needle Valve In Hobby Rc Motor & Engine Parts & Accessories
  • Tuned Pipe In Hobby Rc Motor & Engine Parts & Accessories

breadcrumb

  • eBay
    • Toys & Hobbies
    • Radio Control & Control Line
    • RC Model Vehicle Parts & Accs
    • Engine, Exhaust & Fuel Systems
  • Toys & Hobbies
  • Radio Control & Control Line
  • RC Model Vehicle Parts & Accs
  • Engine, Exhaust & Fuel Systems
  • Motor & Engine Parts & Accs
  • Hobby RC Motor & Engine Parts & Accessories for OS Helicopters

Shop by category

  • Engine, Exhaust & Fuel Systems
    • Motor & Engine Parts & Accs
    • Electric Motors
    • Exhaust Systems & Mufflers
    • Fuel Delivery & Accessories
    • Gas/Nitro Engines
    • Ignition, Glow & Spark Plugs
    • Oils, Lubricants & Maintenance
    • Other Engine/Exhaust/Fuel Sys.
    • OS Engine Cylinder Liner 27953100 for 61SX-H, RX-H "WC" NEW OEM Replacement (#2) - Image 1 of 4
    • OS Engine Cylinder Liner 27953100 for 61SX-H, RX-H "WC" NEW OEM Replacement (#2) - Image 2 of 4
    • OS Engine Cylinder Liner 27953100 for 61SX-H, RX-H "WC" NEW OEM Replacement (#2) - Image 3 of 4
    • OS Engine Cylinder Liner 27953100 for 61SX-H, RX-H "WC" NEW OEM Replacement (#2) - Image 4 of 4

    OS Engine Cylinder Liner 27953100 for 61SX-H, RX-H "WC" NEW OEM Replacement (#2)

    Brand New · O.S.
    S$ 97.92
    or Best Offer
    S$ 31.03 shipping
    7⁣0⁣S⁣р⁣o⁣n⁣s⁣o⁣ ⁣r⁣B⁣X⁣e⁣d⁣⁣⁣⁣⁣ ⁣⁣⁣U⁣1⁣ ⁣L⁣6⁣⁣⁣
    • OS Engines Piston 27903200 for 61SX-H 61SX-H "WC" 61LX-H NEW OEM Replacement #1 - Image 1 of 4
    • OS Engines Piston 27903200 for 61SX-H 61SX-H "WC" 61LX-H NEW OEM Replacement #1 - Image 2 of 4
    • OS Engines Piston 27903200 for 61SX-H 61SX-H "WC" 61LX-H NEW OEM Replacement #1 - Image 3 of 4
    • OS Engines Piston 27903200 for 61SX-H 61SX-H "WC" 61LX-H NEW OEM Replacement #1 - Image 4 of 4

    OS Engines Piston 27903200 for 61SX-H 61SX-H "WC" 61LX-H NEW OEM Replacement #1

    Brand New · O.S.
    S$ 104.92
    or Best Offer
    S$ 31.22 shipping
    S⁣N⁣p⁣o⁣n⁣ѕ⁣o⁣1⁣r⁣e⁣d⁣ ⁣⁣⁣⁣⁣⁣⁣⁣P⁣B⁣ ⁣⁣S⁣3⁣⁣⁣⁣
    • OS Engines Piston 27903200 for 61SX-H 61SX-H "WC" 61LX-H NEW OEM Replacement #2 - Image 1 of 4
    • OS Engines Piston 27903200 for 61SX-H 61SX-H "WC" 61LX-H NEW OEM Replacement #2 - Image 2 of 4
    • OS Engines Piston 27903200 for 61SX-H 61SX-H "WC" 61LX-H NEW OEM Replacement #2 - Image 3 of 4
    • OS Engines Piston 27903200 for 61SX-H 61SX-H "WC" 61LX-H NEW OEM Replacement #2 - Image 4 of 4

    OS Engines Piston 27903200 for 61SX-H 61SX-H "WC" 61LX-H NEW OEM Replacement #2

    Brand New · O.S.
    S$ 97.92
    or Best Offer
    S$ 42.01 shipping
    S⁣p⁣N⁣o⁣N⁣ ⁣I⁣n⁣ѕ⁣5⁣o⁣r⁣e⁣ ⁣C⁣6⁣d⁣ ⁣I⁣J⁣⁣⁣⁣⁣⁣ ⁣⁣3⁣
    • OS Engine Cylinder Liner 27953100 for 61SX-H, RX-H "WC" NEW OEM Replacement (#1) - Image 1 of 4
    • OS Engine Cylinder Liner 27953100 for 61SX-H, RX-H "WC" NEW OEM Replacement (#1) - Image 2 of 4
    • OS Engine Cylinder Liner 27953100 for 61SX-H, RX-H "WC" NEW OEM Replacement (#1) - Image 3 of 4
    • OS Engine Cylinder Liner 27953100 for 61SX-H, RX-H "WC" NEW OEM Replacement (#1) - Image 4 of 4

    OS Engine Cylinder Liner 27953100 for 61SX-H, RX-H "WC" NEW OEM Replacement (#1)

    Brand New · O.S.
    S$ 104.92
    or Best Offer
    S$ 31.22 shipping
    S⁣p⁣3⁣H⁣ ⁣5⁣S⁣o⁣n⁣ѕ⁣ ⁣o⁣H⁣R⁣ ⁣r⁣e⁣1⁣d⁣⁣D⁣ ⁣⁣⁣⁣⁣O⁣S⁣
  • OS Engines Gasket Set 50SX-H 25214000 NEW OEM Replacement - Image 1 of 1

    OS Engines Gasket Set 50SX-H 25214000 NEW OEM Replacement

    Brand New · O.S.
    S$ 9.79
    or Best Offer
    S$ 2.80 shipping
    11 watching
    ⁣⁣H⁣2⁣ ⁣⁣A⁣3⁣ ⁣⁣⁣W⁣K⁣⁣ ⁣⁣1⁣7⁣⁣ ⁣⁣⁣⁣X⁣⁣6⁣⁣⁣
  • OS Engines 27081010 Carburetor 60K .91SX-H C-Special Discontinued Old Stock NIB - Image 1 of 1

    OS Engines 27081010 Carburetor 60K .91SX-H C-Special Discontinued Old Stock NIB

    Brand New · O.S.
    S$ 65.44
    S$ 29.36 shipping
    6 watching
    W⁣⁣⁣⁣⁣3⁣ ⁣6⁣⁣I⁣⁣⁣⁣ ⁣5⁣⁣⁣B⁣⁣⁣ ⁣V⁣⁣4⁣⁣ ⁣P⁣⁣
  • Copper Exhaust Gasket for OS Engines 61-105 *Made in USA* - Image 1 of 2

    Copper Exhaust Gasket for OS Engines 61-105 *Made in USA*

    Brand New · O.S.
    S$ 5.60
    or Best Offer
    S$ 2.80 shipping
    K⁣⁣⁣N⁣⁣⁣⁣ ⁣G⁣D⁣ ⁣D⁣8⁣ ⁣⁣⁣D⁣Z⁣⁣⁣ ⁣⁣⁣I⁣⁣A⁣ ⁣O⁣
  • OS Engines Exhaust Gasket 50SX 55HZ/HZ-R 72144040 *qty-1 ONLY* NEW - Image 1 of 2

    OS Engines Exhaust Gasket 50SX 55HZ/HZ-R 72144040 *qty-1 ONLY* NEW

    Brand New · O.S.
    S$ 8.39
    or Best Offer
    S$ 2.80 shipping
    ⁣⁣⁣⁣⁣A⁣Q⁣ ⁣L⁣5⁣⁣ ⁣⁣⁣⁣P⁣⁣⁣⁣2⁣ ⁣G⁣⁣N⁣ ⁣⁣⁣2⁣
  • OS Engines Thrust Washer 50/55/61/70/91/105 46120000 NEW OEM Replacement - Image 1 of 1

    OS Engines Thrust Washer 50/55/61/70/91/105 46120000 NEW OEM Replacement

    Brand New · O.S.
    S$ 7.69
    or Best Offer
    S$ 2.80 shipping
    ⁣⁣⁣⁣⁣⁣⁣S⁣1⁣ ⁣R⁣⁣B⁣⁣ ⁣7⁣⁣S⁣ ⁣⁣⁣⁣F⁣⁣⁣⁣P⁣ ⁣
  • OS Engines 91HZ Piston 29073200 NEW OEM Replacement - Image 1 of 2

    OS Engines 91HZ Piston 29073200 NEW OEM Replacement

    Brand New · O.S.
    S$ 95.13
    or Best Offer
    S$ 25.70 shipping
    10 watching
    A⁣S⁣ ⁣M⁣⁣⁣O⁣⁣⁣⁣ ⁣⁣U⁣X⁣⁣ ⁣⁣Q⁣⁣⁣⁣3⁣⁣⁣⁣⁣ ⁣5⁣
  • OS Engines Piston Pin Retainer 50SX-H 55HZ/HZ-R 25217000 NEW OEM Replacement - Image 1 of 1

    OS Engines Piston Pin Retainer 50SX-H 55HZ/HZ-R 25217000 NEW OEM Replacement

    Brand New · O.S.
    S$ 8.39
    or Best Offer
    S$ 2.80 shipping
    ⁣⁣⁣⁣Z⁣F⁣ ⁣⁣⁣⁣⁣W⁣⁣⁣E⁣ ⁣⁣G⁣A⁣⁣⁣⁣ ⁣⁣⁣⁣K⁣U⁣
  • OS Engines Needle O-Ring 32SX 37SZ 50SX 55HZ 91HZ 105HZ NEW OEM Replacement - Image 1 of 1

    OS Engines Needle O-Ring 32SX 37SZ 50SX 55HZ 91HZ 105HZ NEW OEM Replacement

    Brand New · O.S.
    S$ 8.39
    or Best Offer
    S$ 2.80 shipping
    P⁣⁣W⁣ ⁣9⁣4⁣ ⁣A⁣⁣⁣⁣J⁣ ⁣7⁣6⁣ ⁣E⁣F⁣⁣⁣ ⁣⁣⁣⁣⁣⁣⁣ ⁣
  • PISTON PIN - 55HZ : 25806000 - Image 1 of 1

    PISTON PIN - 55HZ : 25806000

    Brand New · O.S.
    S$ 15.79
    S$ 11.05 shipping
    X⁣⁣⁣Z⁣ ⁣E⁣F⁣ ⁣⁣G⁣⁣⁣⁣D⁣ ⁣⁣⁣⁣L⁣Z⁣ ⁣⁣Z⁣⁣9⁣⁣⁣⁣
  • O.S. Engines 74002200 Plug Cap GT55 Vehicle Part - Image 1 of 1

    O.S. Engines 74002200 Plug Cap GT55 Vehicle Part

    Brand New · O.S.
    S$ 66.45
    S$ 30.09 shipping
    S⁣6⁣p⁣H⁣o⁣n⁣s⁣ ⁣Q⁣0⁣о⁣ ⁣r⁣9⁣e⁣6⁣ ⁣d⁣J⁣⁣E⁣ ⁣⁣⁣⁣5⁣⁣⁣
  • Os Engines 22903200 Piston (P) 32F H, 32F HS, 32F Hx Modeling - Image 1 of 1

    Os Engines 22903200 Piston (P) 32F H, 32F HS, 32F Hx Modeling

    Brand New · O.S.
    S$ 68.67
    or Best Offer
    S$ 32.68 shipping
    1⁣S⁣3⁣p⁣ ⁣L⁣o⁣n⁣ѕ⁣o⁣r⁣e⁣S⁣ ⁣O⁣d⁣Z⁣⁣ ⁣⁣⁣K⁣N⁣ ⁣F⁣0⁣ ⁣T⁣
  • O.S. OS 10G Carb Carburetor #10G : .15 15 LA 15LA RC Engine Part 21783000 - Image 1 of 2

    O.S. OS 10G Carb Carburetor #10G : .15 15 LA 15LA RC Engine Part 21783000

    Brand New · O.S.
    S$ 41.90
    S$ 25.60 shipping
    44 watching
    S⁣p⁣o⁣n⁣s⁣о⁣r⁣F⁣6⁣ ⁣e⁣d⁣3⁣U⁣⁣⁣⁣⁣ ⁣X⁣⁣⁣U⁣⁣⁣⁣⁣⁣
  • OS Engines Head Gasket 105HZ 0.2T 28704160 NEW OEM Replacement - Image 1 of 1

    OS Engines Head Gasket 105HZ 0.2T 28704160 NEW OEM Replacement

    Brand New · O.S.
    S$ 6.99
    or Best Offer
    S$ 2.80 shipping
    Only 1 left!
    G⁣⁣⁣⁣F⁣ ⁣⁣Y⁣⁣X⁣ ⁣⁣W⁣⁣⁣⁣⁣⁣⁣C⁣⁣⁣⁣ ⁣⁣J⁣3⁣ ⁣
  • Piston Ring - 70SZ : 27003400 - Image 1 of 1

    Piston Ring - 70SZ : 27003400

    Brand New · O.S.
    S$ 32.40
    S$ 11.05 shipping
    Only 1 left!
    H⁣4⁣⁣⁣⁣⁣⁣ ⁣⁣E⁣P⁣ ⁣⁣S⁣⁣B⁣ ⁣⁣0⁣⁣⁣1⁣⁣ ⁣⁣⁣G⁣4⁣
  • OS Engines Front Bearing 37SZ-H 22831000 NEW OEM Replacement - Image 1 of 1

    OS Engines Front Bearing 37SZ-H 22831000 NEW OEM Replacement

    Brand New · O.S.
    S$ 16.79
    or Best Offer
    S$ 6.99 shipping
    Only 1 left!
    ⁣⁣B⁣⁣⁣D⁣⁣⁣ ⁣⁣⁣L⁣⁣G⁣ ⁣G⁣⁣⁣⁣G⁣ ⁣⁣⁣N⁣K⁣⁣⁣ ⁣
  • OS Engines Carb O-Ring 105HZ-R 27915000 (2) NEW OEM Equivalent Replacement - Image 1 of 1

    OS Engines Carb O-Ring 105HZ-R 27915000 (2) NEW OEM Equivalent Replacement

    Brand New · O.S.
    S$ 4.20
    or Best Offer
    S$ 2.80 shipping
    8⁣W⁣⁣⁣ ⁣U⁣⁣D⁣⁣ ⁣D⁣⁣⁣Z⁣ ⁣R⁣⁣4⁣⁣⁣ ⁣⁣⁣1⁣L⁣⁣⁣ ⁣
  • OS Engine Carburettor Complete(40L-R) 55HZ-R : 25881010 - Image 1 of 1

    OS Engine Carburettor Complete(40L-R) 55HZ-R : 25881010

    Brand New · O.S.
    S$ 263.89
    Was: S$ 640.67was - S$ 640.67
    S$ 11.85 shipping
    ⁣6⁣6⁣⁣⁣ ⁣⁣⁣T⁣J⁣ ⁣⁣S⁣I⁣⁣⁣ ⁣W⁣N⁣⁣⁣ ⁣⁣L⁣⁣5⁣ ⁣⁣
  • OS Engines Crankcase 37SZ-H 23411000 NEW OEM Replacement - Image 1 of 1

    OS Engines Crankcase 37SZ-H 23411000 NEW OEM Replacement

    Brand New · O.S.
    S$ 68.55
    or Best Offer
    S$ 25.70 shipping
    ⁣⁣H⁣L⁣ ⁣⁣⁣M⁣⁣⁣6⁣⁣ ⁣⁣⁣⁣⁣8⁣⁣⁣P⁣⁣⁣ ⁣L⁣3⁣ ⁣G⁣
  • OS Engines Piston Pin Retainer 37SZ-H 24517000 NEW OEM Replacement - Image 1 of 1

    OS Engines Piston Pin Retainer 37SZ-H 24517000 NEW OEM Replacement

    Brand New · O.S.
    S$ 6.99
    or Best Offer
    S$ 2.80 shipping
    3 watching
    ⁣2⁣I⁣ ⁣T⁣U⁣⁣⁣⁣ ⁣⁣⁣P⁣3⁣ ⁣F⁣⁣⁣W⁣⁣⁣⁣⁣⁣⁣ ⁣M⁣⁣
  • Cover Plate - 55HZ-R : 25807010 - Image 1 of 1

    Cover Plate - 55HZ-R : 25807010

    Brand New · O.S.
    S$ 33.98
    S$ 11.05 shipping
    ⁣⁣M⁣M⁣⁣⁣⁣⁣ ⁣⁣⁣7⁣T⁣⁣ ⁣T⁣⁣⁣⁣Y⁣ ⁣⁣V⁣P⁣ ⁣⁣K⁣7⁣
  • OS Engines Carb Rubber Gasket Speed 91HZ 105HZ-R 27915000 NEW OEM Replacement - Image 1 of 1

    OS Engines Carb Rubber Gasket Speed 91HZ 105HZ-R 27915000 NEW OEM Replacement

    Brand New · O.S.
    S$ 8.39
    or Best Offer
    S$ 2.80 shipping
    ⁣⁣8⁣8⁣⁣ ⁣E⁣J⁣ ⁣D⁣F⁣ ⁣P⁣⁣I⁣⁣⁣⁣⁣⁣ ⁣J⁣⁣⁣⁣⁣O⁣⁣
  • Needle Valve Assembly - 40C : 27881900 - Image 1 of 1

    Needle Valve Assembly - 40C : 27881900

    Brand New · O.S.
    S$ 24.89
    Was: S$ 38.72was - S$ 38.72
    S$ 11.05 shipping
    5 watching
    3⁣V⁣ ⁣⁣⁣⁣1⁣X⁣ ⁣L⁣L⁣⁣ ⁣L⁣⁣M⁣⁣⁣ ⁣7⁣⁣⁣⁣L⁣⁣ ⁣⁣7⁣
  • OS Engines 50SX-H Piston Ring 25303400 NEW OEM Replacement - Image 1 of 1

    OS Engines 50SX-H Piston Ring 25303400 NEW OEM Replacement

    Brand New · O.S.
    S$ 30.78
    or Best Offer
    S$ 25.70 shipping
    8 watching
    ⁣⁣7⁣⁣Q⁣⁣⁣ ⁣⁣⁣0⁣⁣⁣⁣G⁣⁣⁣ ⁣A⁣4⁣⁣ ⁣⁣2⁣H⁣⁣ ⁣⁣
  • OS Engines Rear Bearing 37SZ-H 21RZ 23730000 NEW OEM Replacement - Image 1 of 1

    OS Engines Rear Bearing 37SZ-H 21RZ 23730000 NEW OEM Replacement

    Brand New · O.S.
    S$ 37.77
    or Best Offer
    S$ 6.99 shipping
    X⁣N⁣ ⁣C⁣Z⁣ ⁣0⁣⁣⁣7⁣⁣⁣ ⁣⁣Q⁣⁣J⁣ ⁣⁣⁣⁣⁣⁣8⁣3⁣ ⁣⁣G⁣
  • O.S. Engine 21921020 21TM Crankcase Genuine Replacement Part New - Image 1 of 2

    O.S. Engine 21921020 21TM Crankcase Genuine Replacement Part New

    Brand New · O.S.
    S$ 83.93
    or Best Offer
    S$ 41.24 shipping
    S⁣p⁣T⁣o⁣B⁣ ⁣n⁣s⁣L⁣B⁣o⁣ ⁣r⁣е⁣U⁣d⁣Z⁣⁣⁣ ⁣D⁣9⁣⁣ ⁣⁣8⁣⁣U⁣
  • O.S. Speed 73301812 NITRO ENGINE 18MM DUST CAP COVER RC CARS RACING - Image 1 of 2

    O.S. Speed 73301812 NITRO ENGINE 18MM DUST CAP COVER RC CARS RACING

    Brand New · O.S.
    S$ 11.18
    S$ 39.13 shipping
    B⁣L⁣Ѕ⁣ ⁣8⁣p⁣9⁣o⁣ ⁣G⁣n⁣s⁣o⁣r⁣e⁣8⁣d⁣ ⁣⁣F⁣G⁣ ⁣⁣⁣⁣⁣H⁣V⁣
  • O.S. OS Engine RC 24007020 Cover Plate Unit for 40 46 LA - Image 1 of 2

    O.S. OS Engine RC 24007020 Cover Plate Unit for 40 46 LA

    Brand New · O.S.
    S$ 16.44
    S$ 28.62 shipping
    X⁣S⁣p⁣0⁣ ⁣F⁣5⁣ ⁣о⁣3⁣n⁣s⁣1⁣o⁣ ⁣U⁣r⁣B⁣ ⁣e⁣Y⁣6⁣d⁣⁣⁣ ⁣⁣⁣
  • O.S.OS Engine RC 21931000 Crankshaft Bearing (R) for 18TM - Image 1 of 2

    O.S.OS Engine RC 21931000 Crankshaft Bearing (R) for 18TM

    Brand New · O.S.
    S$ 41.90
    S$ 29.36 shipping
    S⁣8⁣F⁣p⁣ ⁣o⁣U⁣4⁣n⁣ ⁣R⁣E⁣ ⁣ѕ⁣o⁣T⁣E⁣ ⁣O⁣U⁣r⁣e⁣ ⁣d⁣R⁣⁣⁣⁣
  • OS Engines Front Bearing 50SX 55HZ 91HZ 105HZ 26731002 NEW OEM Replacement - Image 1 of 2

    OS Engines Front Bearing 50SX 55HZ 91HZ 105HZ 26731002 NEW OEM Replacement

    Brand New · O.S.
    S$ 25.18
    or Best Offer
    S$ 25.70 shipping
    5 watching
    ⁣⁣⁣⁣M⁣8⁣⁣⁣ ⁣T⁣⁣2⁣⁣⁣ ⁣⁣E⁣C⁣ ⁣Q⁣Q⁣ ⁣⁣⁣V⁣⁣H⁣ ⁣
  • Piston - 105HZ : 28703200 - Image 1 of 1

    Piston - 105HZ : 28703200

    Brand New · O.S.
    S$ 102.32
    Was: S$ 188.04was - S$ 188.04
    S$ 11.85 shipping
    4⁣I⁣⁣ ⁣⁣6⁣M⁣⁣ ⁣G⁣⁣⁣Y⁣ ⁣D⁣D⁣ ⁣9⁣⁣E⁣⁣⁣⁣ ⁣⁣⁣Y⁣⁣
  • OS Engines Heatsink Head 55HZ/HZ-R 25804020 NEW OEM Replacement Cylinder Head - Image 1 of 2

    OS Engines Heatsink Head 55HZ/HZ-R 25804020 NEW OEM Replacement Cylinder Head

    Brand New · O.S.
    S$ 117.51
    or Best Offer
    S$ 25.70 shipping
    ⁣M⁣R⁣ ⁣⁣R⁣⁣G⁣ ⁣⁣⁣Q⁣F⁣ ⁣8⁣⁣⁣⁣⁣I⁣⁣⁣ ⁣⁣⁣⁣⁣U⁣
  • OS Engines Head Gasket 105HZ 0.1T 28704161 NEW OEM Replacement - Image 1 of 1

    OS Engines Head Gasket 105HZ 0.1T 28704161 NEW OEM Replacement

    Brand New · O.S.
    S$ 6.99
    or Best Offer
    S$ 2.80 shipping
    Only 1 left!
    E⁣⁣⁣C⁣⁣⁣ ⁣L⁣⁣3⁣ ⁣⁣⁣X⁣G⁣ ⁣O⁣⁣R⁣ ⁣4⁣W⁣⁣⁣ ⁣I⁣⁣⁣
  • Crankshaft Bearing (Rear) - 21RZ/37SZ : 23730000 - Image 1 of 1

    Crankshaft Bearing (Rear) - 21RZ/37SZ : 23730000

    Brand New · O.S.
    S$ 52.94
    S$ 11.05 shipping
    ⁣⁣⁣Z⁣⁣⁣⁣6⁣⁣ ⁣⁣⁣⁣⁣A⁣⁣V⁣⁣ ⁣F⁣Y⁣ ⁣D⁣Y⁣ ⁣⁣O⁣A⁣
  • OS Rocker Support Assembly FS–120S - Image 1 of 2

    OS Rocker Support Assembly FS–120S

    Brand New · O.S.
    S$ 59.50
    S$ 36.33 shipping
    8⁣⁣O⁣⁣ ⁣⁣K⁣⁣Q⁣ ⁣⁣U⁣⁣C⁣⁣⁣ ⁣⁣⁣⁣K⁣⁣⁣O⁣ ⁣⁣N⁣J⁣
  • O.S. OS Engine RC 28009002 Propeller Washer for .61 to .90 size OS Max engines - Image 1 of 1

    O.S. OS Engine RC 28009002 Propeller Washer for .61 to .90 size OS Max engines

    Brand New · O.S.
    S$ 13.68
    S$ 28.54 shipping
    X⁣S⁣p⁣o⁣n⁣s⁣о⁣r⁣e⁣d⁣⁣⁣Y⁣ ⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣⁣5⁣⁣6⁣ ⁣
  • O.S. OS Engine RC 25425400 Silencer Screw Set - Image 1 of 2

    O.S. OS Engine RC 25425400 Silencer Screw Set

    Brand New · O.S.
    S$ 16.70
    S$ 28.62 shipping
    S⁣p⁣o⁣E⁣8⁣n⁣s⁣ ⁣3⁣S⁣о⁣r⁣e⁣d⁣⁣ ⁣Z⁣⁣4⁣⁣⁣ ⁣Z⁣⁣2⁣⁣⁣⁣
  • OS Engines GT15HZ Piston Pin Retainer 28117030 NEW OEM Replacement - Image 1 of 1

    OS Engines GT15HZ Piston Pin Retainer 28117030 NEW OEM Replacement

    Brand New · O.S.
    S$ 8.39
    or Best Offer
    S$ 2.80 shipping
    Only 1 left!
    ⁣8⁣B⁣ ⁣7⁣9⁣⁣ ⁣J⁣⁣1⁣ ⁣O⁣C⁣ ⁣⁣X⁣⁣⁣V⁣⁣⁣⁣ ⁣⁣U⁣⁣⁣
  • OS Engines Cylinder Liner 37SZ-H 23413100 NEW OEM Replacement - Image 1 of 1

    OS Engines Cylinder Liner 37SZ-H 23413100 NEW OEM Replacement

    Brand New · O.S.
    S$ 50.36
    or Best Offer
    S$ 25.70 shipping
    T⁣⁣W⁣ ⁣U⁣9⁣ ⁣⁣⁣S⁣F⁣ ⁣⁣A⁣D⁣ ⁣⁣7⁣Q⁣ ⁣9⁣⁣⁣ ⁣⁣⁣⁣⁣
  • OS Engines Piston 37SZ-H 23413200 NEW OEM Replacement - Image 1 of 1

    OS Engines Piston 37SZ-H 23413200 NEW OEM Replacement

    Brand New · O.S.
    S$ 32.17
    or Best Offer
    S$ 25.70 shipping
    ⁣⁣M⁣⁣Q⁣ ⁣⁣⁣5⁣C⁣ ⁣⁣0⁣6⁣ ⁣X⁣A⁣ ⁣⁣N⁣⁣⁣V⁣ ⁣O⁣⁣ ⁣⁣
  • OS Engines Piston 50SX-H 25203200 NEW OEM Replacement - Image 1 of 1

    OS Engines Piston 50SX-H 25203200 NEW OEM Replacement

    Brand New · O.S.
    S$ 37.77
    or Best Offer
    S$ 25.70 shipping
    8 watching
    3⁣S⁣ ⁣⁣⁣3⁣H⁣⁣ ⁣N⁣⁣⁣⁣7⁣⁣ ⁣F⁣G⁣⁣ ⁣8⁣⁣⁣⁣Q⁣⁣ ⁣I⁣
  • OS Engines Piston Ring 70SZ-H 27003400 NEW OEM Replacement - Image 1 of 1

    OS Engines Piston Ring 70SZ-H 27003400 NEW OEM Replacement

    Brand New · O.S.
    S$ 29.38
    or Best Offer
    S$ 25.70 shipping
    C⁣A⁣ ⁣⁣9⁣⁣⁣⁣⁣F⁣ ⁣E⁣C⁣ ⁣⁣⁣⁣Y⁣⁣1⁣ ⁣⁣⁣⁣P⁣F⁣ ⁣O⁣
  • OS Engines 91HZ 105HZ Piston Pin Retainers 27917000 NEW OEM Replacement - Image 1 of 2

    OS Engines 91HZ 105HZ Piston Pin Retainers 27917000 NEW OEM Replacement

    Brand New · O.S.
    S$ 8.39
    or Best Offer
    S$ 2.80 shipping
    ⁣9⁣B⁣⁣⁣⁣ ⁣⁣V⁣⁣P⁣⁣⁣⁣⁣ ⁣⁣U⁣⁣X⁣⁣ ⁣⁣1⁣⁣⁣R⁣⁣
  • OS Engines 105HZ 91HZ Connecting Rod 29505010 NEW OEM Replacement - Image 1 of 1

    OS Engines 105HZ 91HZ Connecting Rod 29505010 NEW OEM Replacement

    Brand New · O.S.
    S$ 33.57
    or Best Offer
    S$ 25.70 shipping
    8⁣T⁣⁣⁣⁣ ⁣⁣⁣F⁣⁣⁣⁣⁣7⁣⁣ ⁣P⁣⁣⁣I⁣ ⁣4⁣⁣⁣⁣X⁣ ⁣Z⁣
  • O.S. Engines Needle Valve Assembly - 2D-5B/6B/20J Carbs #27881900 - Image 1 of 3

    O.S. Engines Needle Valve Assembly - 2D-5B/6B/20J Carbs #27881900

    Brand New · O.S.
    S$ 33.93
    S$ 40.08 shipping
    ⁣Y⁣⁣⁣⁣C⁣⁣⁣⁣ ⁣⁣⁣X⁣X⁣⁣⁣ ⁣⁣L⁣I⁣ ⁣⁣⁣R⁣⁣⁣⁣⁣
  • OS Engines Heatsink Head (Blue) 50SX-H 25204200 NEW OEM Replacement - Image 1 of 2

    OS Engines Heatsink Head (Blue) 50SX-H 25204200 NEW OEM Replacement

    Brand New · O.S.
    S$ 109.11
    or Best Offer
    S$ 25.70 shipping
    ⁣K⁣⁣0⁣⁣⁣⁣⁣⁣ ⁣⁣N⁣6⁣ ⁣⁣I⁣E⁣ ⁣9⁣8⁣ ⁣⁣⁣U⁣C⁣⁣ ⁣⁣
  • OS Engines Piston 70SZ-H 27003200 NEW OEM Replacement - Image 1 of 1

    OS Engines Piston 70SZ-H 27003200 NEW OEM Replacement

    Brand New · O.S.
    S$ 58.75
    or Best Offer
    S$ 25.70 shipping
    Only 1 left!
    ⁣⁣C⁣K⁣ ⁣X⁣⁣N⁣ ⁣⁣V⁣J⁣⁣⁣⁣ ⁣O⁣⁣N⁣ ⁣J⁣⁣⁣S⁣⁣⁣⁣⁣
  • OS Engines Crankshaft Clamp 32/50/55 71530400 NEW OEM Replacement - Image 1 of 1

    OS Engines Crankshaft Clamp 32/50/55 71530400 NEW OEM Replacement

    Brand New · O.S.
    S$ 25.18
    or Best Offer
    S$ 25.70 shipping
    B⁣⁣M⁣ ⁣B⁣⁣1⁣⁣⁣⁣⁣⁣ ⁣⁣J⁣⁣⁣L⁣ ⁣A⁣R⁣ ⁣⁣⁣Y⁣⁣Z⁣⁣
  • OS Engines Piston Ring 91HZ Speed 91HZ-R 29503400 NEW OEM Replacement - Image 1 of 1

    OS Engines Piston Ring 91HZ Speed 91HZ-R 29503400 NEW OEM Replacement

    Brand New · O.S.
    S$ 32.17
    or Best Offer
    S$ 25.70 shipping
    6 watching
    ⁣⁣2⁣⁣T⁣⁣ ⁣⁣P⁣⁣L⁣⁣ ⁣⁣7⁣⁣⁣A⁣ ⁣⁣M⁣U⁣ ⁣⁣⁣⁣⁣5⁣
  • Piston Ring - 70SZ : 27003400 - Image 1 of 1

    Piston Ring - 70SZ : 27003400

    Brand New · O.S.
    S$ 42.01
    S$ 13.03 shipping
    J⁣⁣W⁣⁣ ⁣N⁣⁣0⁣ ⁣⁣⁣⁣⁣⁣⁣⁣5⁣⁣6⁣ ⁣3⁣H⁣⁣ ⁣Z⁣⁣U⁣ ⁣
  • OS Engines Cylinder Liner 50SX-H Hyper 25203100 NEW OEM Replacement - Image 1 of 1

    OS Engines Cylinder Liner 50SX-H Hyper 25203100 NEW OEM Replacement

    Brand New · O.S.
    S$ 75.54
    or Best Offer
    S$ 25.70 shipping
    4 watching
    G⁣8⁣ ⁣⁣X⁣N⁣ ⁣⁣E⁣Z⁣⁣⁣⁣ ⁣9⁣⁣⁣O⁣ ⁣D⁣⁣W⁣ ⁣⁣⁣⁣⁣ ⁣
  • OS Speed Plug Wrench 71520100 NEW OEM Replacement - Image 1 of 1

    OS Speed Plug Wrench 71520100 NEW OEM Replacement

    Brand New · O.S.
    S$ 39.17
    or Best Offer
    S$ 25.70 shipping
    W⁣9⁣⁣ ⁣⁣3⁣⁣R⁣ ⁣0⁣⁣⁣⁣O⁣ ⁣J⁣⁣⁣J⁣ ⁣W⁣0⁣⁣ ⁣G⁣⁣⁣⁣
  • OS Engines Pressure Nipple M4 72145030 NEW OEM Replacement - Image 1 of 1

    OS Engines Pressure Nipple M4 72145030 NEW OEM Replacement

    Brand New · O.S.
    S$ 6.99
    or Best Offer
    S$ 31.14 shipping
    B⁣8⁣⁣⁣⁣⁣⁣⁣ ⁣T⁣⁣⁣⁣P⁣⁣⁣⁣ ⁣9⁣⁣⁣F⁣⁣ ⁣⁣⁣B⁣⁣
  • OS Engines 50SX-H Crankshaft 25202000 NEW OEM Replacement - Image 1 of 1

    OS Engines 50SX-H Crankshaft 25202000 NEW OEM Replacement

    Brand New · O.S.
    S$ 65.75
    or Best Offer
    S$ 25.70 shipping
    7⁣⁣K⁣ ⁣⁣D⁣⁣K⁣ ⁣C⁣B⁣⁣⁣⁣ ⁣⁣⁣⁣⁣⁣⁣T⁣M⁣ ⁣⁣T⁣⁣C⁣
  • OS Engines Carb Sealing Washer 50SX-H 23818190 NEW OEM Replacement - Image 1 of 1

    OS Engines Carb Sealing Washer 50SX-H 23818190 NEW OEM Replacement

    Brand New · O.S.
    S$ 8.39
    or Best Offer
    S$ 2.80 shipping
    4 watching
    L⁣2⁣⁣⁣⁣ ⁣9⁣⁣K⁣⁣⁣ ⁣⁣E⁣⁣Z⁣ ⁣⁣⁣⁣9⁣M⁣⁣ ⁣⁣8⁣⁣U⁣
  • OS Engine 23730000 Crankshaft Ball Bearing(R) for 21 RZ - Image 1 of 1

    OS Engine 23730000 Crankshaft Ball Bearing(R) for 21 RZ

    Brand New · O.S.
    S$ 97.92
    or Best Offer
    Free international shipping
    S⁣р⁣A⁣o⁣n⁣s⁣o⁣r⁣e⁣M⁣d⁣ ⁣⁣G⁣⁣⁣R⁣ ⁣⁣⁣⁣⁣⁣X⁣⁣L⁣ ⁣1⁣
  • O.S. OS Engine RC 22681953 Nipple No.1 - Image 1 of 2

    O.S. OS Engine RC 22681953 Nipple No.1

    Brand New · O.S.
    S$ 6.62
    S$ 37.91 shipping
    Only 1 left!
    3⁣N⁣ ⁣S⁣T⁣C⁣ ⁣р⁣o⁣n⁣s⁣D⁣o⁣S⁣r⁣e⁣ ⁣V⁣d⁣⁣Z⁣⁣ ⁣F⁣M⁣⁣⁣ ⁣

Results Pagination - Page 1

  1. 1
  2. 2
  3. 3
  4. 4
  • All Listings
  • Auction
  • Buy It Now
  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • List View
  • Gallery View

231 results

Sort: Best Match

  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
    • Compatible Brand: For OS- Selected
    • Compatible Vehicle Type: Helicopters- Selected
    Clear All