• NEW O.S. Crankshaft 19XZ-B Speed 21952000

    This is the Crankshaft for the O.S. 19XZ-B Speed Engine. DLC coated crankshaft with silicone filled intake passage for. Crankshaft for the O.S. 19XZ-B Speed Engine. improved fuel flow. New and unused.
    AU $194.41
    From United States
  • NEW O.S. Crankcase 21XZ-R Speed 22011020

    This is the Crankcase for the O.S. 21XZ-R Speed Engine. Crankcase for the O.S. 21XZ-R Speed Engine. Installing all components into and on crankcase. New and unused. Aluminum construction flat black in color.
    AU $109.13
    From United States
  • NEW O.S. O-Ring Needle FS/FX/LA 24981837

    This is the Needle Vavle O-ring for the FS/FX/LA OS Max series engines. New and unused. Can be used for other applications where a 2.5x6mm silicone o-ring. Great Planes Silicone Fuel Tubing Standard 3.
    AU $7.51
    From United States
    Trending at AU $10.74
    88 sold
  • NEW O.S. GF40 4-Stroke Gas w/Muffler 39400

    This is the O.S. Engines GF40 4-Stroke Gasoline Engine. GF40 4-Stroke Gasoline Engine CM6 Spark Plug Muffler Ignition. Stroke: 1.251 (31.8mm). Muffler 4.0oz (113g). Gasoline safe fuel tubing and fuel filter.
    AU $1,003.44
    From United States
  • NEW O.S. Rear plate Roto Start 30VG 21VG 23917210

    OS roto start back plate for 21-30VG nitro engines with roto start.
    AU $16.93
    From United States
    Only 1 left!
    Customs services and international tracking provided
  • NEW O.S. FS-120 III Surpass Ringed 4-Stroke w/Pump 35540

    The FS series discontinued and replaced by the Surpass series around 1986-7). FS series. This is one of the O.S. Surpass series of 4-stroke model engines. The Surpass series is the 2nd series of 4-stroke engines (The 1st series was.
    AU $589.51
    From United States
  • NEW O.S. LC3 T-Maxx/Revo Glow Plug Hot 71653000

    This is the O.S. Max LC3 Hot Long Reach Glow Plug. Like all O.S. Max glow plugs the LC3 is tough enough to take the. The LC3 s longer reach extends coil farther into the engine s. One O.S. Max LC3 Hot Glow Plug with brass washer.
    AU $7.51
    From United States
    Trending at AU $9.52
    221 sold
  • NEW O.S. Piston Ring GT55 29703400

    This is the Piston Ring for the O.S. GT55 Airplane Engine (OSMG1555). This is located on the piston and provides proper clearance. One Piston Ring - part #3 on engine part list. For the Piston Pin orderOSMG7770.
    AU $18.50
    From United States
  • NEW O.S. Crankshaft FS110A 44902000

    This is the Crankshaft for the O.S. Engines 110FS-a 4-Stroke. This crankshaft is supported by bearings and operates the connecting rod. One Crankshaft. New and unused. cnh 12/16/08. For Bearings use: OSMG3049 (Front) andOSMG3116 (Rear).
    AU $59.52
    From United States
  • NEW O.S. Gasket Set 12 21214000

    One Head gasket - This very thin metal gasket seals the gap between. One Backplate gasket - This thin paper gasket seals the gap between. This is a Replacement Gasket Set for. Head Gasket: B.P.Gasket.
    AU $5.63
    From United States
  • NEW O.S. Gasket Set FS-91-P 45914010

    One Head gasket - This very thin metal gasket seals the gap between. One Backplate gasket - This thin paper gasket seals the gap. One Intake Manifold gasket - This thin paper gasket seals the gap. This is a Replacement Gasket Set for the O.S. FS-91SII(P) Engine.
    AU $10.02
    From United States
    Trending at AU $12.05
  • NEW O.S. Gasket Set 25FX 22614010

    This is a Replacement Gasket Set for the O.S. 25FX engine. O.S. Cover Plate 25FX. One Head gasket - This very thin metal gasket seals the gap between. One Backplate gasket - This thin paper gasket seals the gap.
    AU $6.89
    From United States
  • NEW O.S. Gasket Set 81VR-M 28114000

    This is a replacement gasket set for the O.S.81VR-M marine engine. one head gasket is. 199mm(.0079 ) thick. one head gasket is. 383mm(.015 ) thick. One fiber front housing gasket. One fiber rear housing gasket.
    AU $6.26
    From United States
  • NEW O.S. Crank Pin Stop Screw GT22 28152100

    OS Engines GT22 Gasoline EngineOSMG1522. This is the Crank Pin Stop Screw for the. Crank Pin Stop Screw key #18. New and unused. jxs 01/04/13.
    AU $10.02
    From United States
  • NEW O.S. Head Gasket 15LA 21714100

    This is a Replacement Head Gasket for the OS Max 15LA. This very thin metal. gasket seals the gap between the cylinder head and the crankcase. One Head Gasket. Head Gasket O.S. Head Gasket 15CV. New and unused.
    AU $5.63
    From United States
  • NEW O.S. Screw Set 12CV-X (8) 21313030

    This is a Replacement Screw Set for the OS 12 CV-X (recoil starter) Engine. O.S. Screw Set 15CV-A (8). New and unused. Four 2.6X12mm cap screws - These are black in color and are used. Four 2.6X6mm phillips head screws - These are black in color and.
    AU $6.89
    From United States
  • NEW O.S. Woodruff Key 61S/RFH 27708200

    The Woodruff key is a small semi-disk that locks the Drive Washer to the. Top Flite MonoKote Hot Sock Iron Cover. New and unused. O.S. Tappet Adjusting Screw 200 Surpass.61 RF-H-P RC. Top Flite MonoKote Orange 6.
    AU $6.89
    From United States
  • NEW O.S. Gasket Carburetor #8AA 29315000

    This is the Carb Gasket for the #8AA and #9B OS Max Carburetors. The #8AA carb fits to the OS Max 3500 BGX. One O-ring Carb gasket. New and unused. NNA 1/24/02.65 VR-DF and. 91 VR-DF. The #9B carb fits the OS Max. 61 VR-M. 65 VR-M. 81 VR-M.
    AU $5.63
    From United States
  • NEW O.S. O-Ring Small 120Surpass 27881800

    O.S. O-Ring Metal Valve 120Surpass. This is the smaller of two Rubber O-Rings used on the idle mixture valve. New and unused. This is the small O-Ring that goes on the idle mixture valve. O.S. O-Ring Small #2K/#2SB.
    AU $5.63
    From United States
  • NEW O.S. Carburetor Washer #20A/B 23818190

    This is the Carb Washer for the #20A Carb that fits the OS 21RX-R and the. #20B Carb that fits the OS 21RX-B. This washer is installed before the carb. -one washer. New and unused. -Metal construction.
    AU $5.63
    From United States
  • NEW O.S. Muffler Screws #E-2050 (2) 23875400

    These are the Silencer Fixing Screws (Muffler Mounting Screws) for the. Two 3 x 12mm cap-head muffler mounting screws. These are the screws that attach the muffler to the crankcase. E-2050 Muffler used on the OS Max. 21 XM Outboard Marine Engine.
    AU $5.63
    From United States
  • NEW O.S. Carburetor Screw #103A2A 23081706

    This is the Carb Fixing Screw Set for the. 10-.40 FP & Wankel Series engines. Screw Size: 3mm x 5mm. These screws mount to the base of the carb. These can also be used to mount the muffler. Dubro Exhaust Deflector. 35-.90.
    AU $5.63
    From United States
    Trending at AU $9.16
    37 sold
  • NEW O.S. Throttle Lever #4BK/#4C 24981405

    #20J #4BK #4C #4E. This is the Replacement Throttle Lever for the following carbs O.S. Throttle Lever #2D/FR5. One Metal Throttle Arm. New and unused.
    AU $7.51
    From United States
    Trending at AU $9.83
  • NEW O.S. Fuel Inlet Nipple 12-240 22681953

    This is the Replacement Fuel Inlet Nipple (pressure fitting). One fuel inlet nipple (pressure fitting). O.S. Nipple #7 FS-52 Supass. New and unused. Threading length is 3mm thread length (4 threads).
    AU $5.63
    From United States
    54 sold
  • NEW O.S. Air Bleed Screw FS-20/40 22081820

    This includes a screw and a spring. The screw is slotted for a flat head. New and unused.
    AU $5.63
    From United States
  • NEW O.S. Muffler Assembly Screw #E-4020 29525100

    This is the muffler assembly screw for the OS Max 91FX engine. This screw attatches the two muffler halves together. One muffler assembly screw. The remainder of the muffler. New and unused. Length: 201mm (8.0 ).
    AU $7.51
    From United States
  • NEW O.S. #80 Glow Plug Gold Limited Edition 71642660

    This is the Limited Edition #80 Gold Glow Plug from O.S. Engines. One Limited Edition #80 Gold Glow Plug. glow engine that requires a standard size plug. Glow plug wrench. O.S. #6 A3 Glow Plug Hot Air.
    AU $11.28
    From United States
  • NEW O.S. Piston Pin 40SF 25406000

    This is the pin that is used to hold the connecting rod into the piston. New and unused.
    AU $6.89
    From United States
  • NEW O.S. Gasket Set 70SZ-H 27014000

    HEAD GASKET BACKPLATE GASKET. This is the Gasket Set for the O.S. 70SZ-H Engine. One cover plate (backplate) gasket. One head gasket. Removing the backplate and/or head removing old gasket(s). installing new gasket(s) re-installing backplate and/or head.
    AU $6.89
    From United States
  • NEW O.S. Gasket Set 50SX-H 25214000

    This is the Gasket Set for the O.S. Max. 50SX-H Helicopter Engine. This set contains the backplate and the cylinder head gasket. One Gasket Set for the OS. 50SX-H Helicopter Engine #15500 (OSMG1950).
    AU $8.14
    From United States
    39 sold
  • NEW O.S. Gasket Set 12TR (P)-T 21464010

    This is the replacement gasket set for the 12TR(P)-T. Installation on the OS 12TR(P)-T engine. One brass one aluminum gasket one O-ring. Brass gasket.1mm thick. 20.9mm outer diameter 14.3mm inner diameter.
    AU $4.63
    From United States
  • NEW O.S. Exhaust Valve Assembly FS81 Alpha 44851000

    This is an Exhaust Valve Assembly for the O.S. 81FS-a. One Exhaust Valve for the O.S. 81FS-a. New and unused. cnh 8/14/08. Installation on the O.S. 81Fs-a.
    AU $17.26
    From United States
  • NEW O.S. Piston Pin Retainer GT33 28317000

    These are the Piston Pin Retainers for the O.S. GT33 EngineOSMG1533. Installs on both ends of piston pin to hold the piston and connecting. Two Piston Pin Retainers key #6. New and unused. Metal construction.
    AU $6.89
    From United States
  • NEW O.S. Security Ring OMA-38 Series 74004004

    This is the Security Ring for the O.S. 25 and 30 Brushless Electric Motors. Security Ring with two Set Screws. New and unused. Metal construction. jxs 02/23/12.
    AU $5.63
    From United States
  • NEW O.S. Cover Plate 18CV-R 21807100

    One cover plate (aka: back plate). Screw setOSMG8646. This is the Cover Plate for the. 18CV-R(P) &. 18CV-R. New and unused. Length: 12.5mm. Distance between mounting hole centers 18mm top to bottom L to R.
    AU $11.28
    From United States
  • NEW O.S. Head Gasket 30VG 23914100

    New and unused.
    AU $6.89
    From United States
  • NEW O.S. Needle Adj Screw New #60B 41621100

    New and unused.
    AU $6.26
    From United States
  • NEW O.S. Security Ring OMA-2810/OMA-2815 74004060

    This is the Security Ring for the O.S. 2810 and 2815 Brushless Electric Motors. Security Ring with Spacer and Set Screw. New and unused. jxs 11/15/13.
    AU $5.63
    From United States
  • NEW O.S. Exhaust Gasket GT33 28314300

    This is the Exhaust Gasket for the. Exhaust Gasket. New and unused. jxs 03/27/12. O.S. GT-33 Gasoline Aircraft EngineOSMG1533.
    AU $6.89
    From United States
  • NEW O.S. Ratchet Spring #1A/#10 21111300

    This is the Ratchet spring for the following carbs: #1A #1ABK #15 & #2BK. This fits the 10-15 FP 10 FSR and the 12 CZ series. The ratchet is what holds. New and unused. Features: Sturdy metal construction.
    AU $5.63
    From United States
  • NEW O.S. Valve Spring FS-26S-C 45760210

    This is the Replacement Valve Spring for the OS Max FS26S-C Car Engine. One Metal Spring. The Spring seats onto the cylinder head. Spring Length: 12mm. New and unused.
    AU $5.63
    From United States
  • NEW O.S. Flex Shaft Housing 21XM 23873100

    This is the Replacement Flex Shaft Housing for the OS 21-XM Marine engine. This part covers the flexible shaft. One Shaft tube. For the flexible shaft useOSMG5862. For the flexible shaft assembly useOSMG5860.
    AU $10.65
    From United States
  • NEW O.S. Gasket Carburetor #60B 27915000

    #60B carburetor is most commonly found on the O.S.61RX-H and the. 61SX-H. Includes: 1 rubber carb gasket. New and unused. EtH 4-6-94.
    AU $5.63
    From United States
  • NEW O.S. Valve Spring 20-300 45060205

    This is the replacement valve spring for OS engines The Spring seats onto the cylinder head. Spring Length: 14mm. New and unused. 1-Spring (metal). Inside Diameter: 4mm. FS48 Surpass.
    AU $5.63
    From United States
  • NEW O.S. Carburetor Retainer 15 RX 25381701

    This is the O.S. Max Carburetor Retainer and Nut for the 15RX. designed so the carburetor can be rotated. One carburetor retaining pin (straight metal rod 3.5mm threaded. This is installed through the crankcase and keeps the carburetor. ).
    AU $6.66
    From United States
  • NEW O.S. Thrust Washer 120Surpass 45520000

    This is the replacement thrust washer for the following OS engines The thrust washer fits between the front bearing and the drive washer. 1- Washer. New and unused. FS120 Surpass SP.
    AU $5.63
    From United States
  • NEW O.S. Cover Fitting Screw FL-70 (4) 44407009

    These screws hold the cover plate to the cylinder head. New and unused. Four Cover Plate Screws (part #13) for the O.S. FL-70 4-stroke engine. Steel construction. These are the Cover Plate Screws for the.
    AU $5.63
    From United States
  • NEW O.S. Carburetor Fixing Screw #10F 21183700

    These are the Carburetor Screws for the O.S. Max #10F Carb. on the 12LD Engine. The screws hold the carburetor onto the crankcase. New and unused. Metal construction. cmc 4/10/01. Phillips head OO-size screwdriver.
    AU $2.62
    From United States
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