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HARTZELL ENGINE TECHNOLOGIES WASTEGATES AND VALVE ASSEMBLIES

From $108.95 to $7758.00
Description Part Number Price Buy
470842-9003 HARTZELL WASTEGATE 07-02676 $1899.00
Quantity
470944-9022 HARTZELL VALVE ASSY 07-02678 $769.00
Quantity
470944-9029 HARTZELL VALVE ASSY 07-02679 $1325.00
Quantity
470944-9034 HARTZELL VALVE ASSY 07-02680 $869.00
Quantity
HARTZELL CONTROLLER, VARIABLE ABSOLUTE PRESSURE; REPLACES CMI 633388-9, 641434-2 07-18864 $5687.00
Quantity
HARTZELL CONTROLLER, VARIABLE ABSOLUTE PRESSURE; REPLACES CMI 633388-10, 641434-4 07-18865 $5688.00
Quantity
HARTZELL CONTROLLER, VARIABLE ABSOLUTE PRESSURE; REPLACES CMI 633388-11, 641434-6 07-18866 $5642.00
Quantity
470836-9003 HARTZELL CONTROLLER 07-02334 $1349.00
Quantity
470836-9018 HARTZELL CONTROLLER 07-02337 $1449.00
Quantity
470836-9019 HARTZELL CONTROLLER 07-02333 $1399.00
Quantity
470836-9020 HARTZELL CONTROLLER 07-02332 $1399.00
Quantity
470836-9021 HARTZELL CONTROLLER 07-02336 $1399.00
Quantity
HARTZELL CONTROLLER, DENSITY; REPLACES LYC LW-10682 07-18869 $7758.00
Quantity
HARTZELL CONTROLLER, DENSITY; REPLACES LYC LW-16840 07-18870 $7758.00
Quantity
470884-9004 HARTZELL CONTROLLER 07-02335 $3199.00
Quantity
470884-9010 HARTZELL CONTROLLER 07-02329 $3199.00
Quantity
HARTZELL CONTROLLER, DIFFERENTIAL; REPLACES LYC LW-10098 07-18871 $4753.00
Quantity
470886-9002 HARTZELL CONTROLLER 07-02286 $1370.00
Quantity
HARTZELL CONTROLLER; REPLACES LW-19193 07-18874 $3631.00
Quantity
470912-9001 HARTZELL CONTROLLER 07-02287 $1400.00
Quantity
470948-9001 HARTZELL CONTROLLER 07-02367 $1195.00
Quantity
HARTZELL CONTROLLER HSG 476644-0000 07-18958 $740.00
Quantity
HARTZELL CONTROLLER, VARIABLE ABSOLUTE PRESSURE; REPLACES CMI 660655-22, 643138-1 07-18882 $6006.00
Quantity
481008-9002 HARTZELL CONTROLLER 07-02340 $1399.00
Quantity
481008-9008 HARTZELL CONTROLLER 07-02327 $1399.00
Quantity
HARTZELL FACTORY REBUILT CONTROLLER, VARIABLE ABSOLUTE PRESSURE; REPLACES CMI 640655-22, 643138-1 07-18896 $1274.00
Quantity
481008-9025 HARTZELL CONTROLLER 07-02328 $1699.00
Quantity
481008-9028 HARTZELL CONTROLLER 07-02338 $1399.00
Quantity
HARTZELL CONTROLLER, VARIABLE ABSOLUTE PRESSURE; REPLACES CMI 642628-6, 642722-1 07-18883 $5844.00
Quantity
481012-9006 HARTZELL CONTROLLER 07-02339 $1499.00
Quantity
HARTZELL CONTROLLER, SLOPED; REPLACES CESSNA C165004-0701 07-18885 $4914.00
Quantity
HARTZELL CONTROLLER, SLOPED; REPLACES CMI 646318-4 07-18886 $4914.00
Quantity
481058-9001 HARTZELL CONTROLLER 07-02305 $1235.00
Quantity
481058-9002 HARTZELL CONTROLLER 07-02303 $1565.50
Quantity
481058-9004 HARTZELL CONTROLLER 07-02304 $1207.00
Quantity
470780-9015 HARTZELL WASTEGATE 07-02320 $1829.00
Quantity
470780-9016 HARTZELL WASTEGATE 07-02314 $1829.00
Quantity
HARTZELL WASTEGATE; REPLACES LYC LW-12778 07-18863 $3853.00
Quantity
470818-9003 HARTZELL WASTEGATE 07-02324 $2119.00
Quantity
470818-9005 HARTZELL WASTEGATE 07-02331 $2119.00
Quantity
470818-9010 HARTZELL WASTEGATE 07-02325 $2119.00
Quantity
470830-9010 HARTZELL WASTEGATE 07-02311 $2249.00
Quantity
470830-9020 HARTZELL WASTEGATE 07-02312 $2249.00
Quantity
HARTZELL WASTEGATE; REPLACES CESSNA C165006-0303 07-18867 $3959.00
Quantity
HARTZELL WASTEGATE; REPLACES CESSNA C165006-0304 07-18868 $4086.00
Quantity
470842-9004 HARTZELL WASTEGATE 07-02310 $1946.00
Quantity
470842-9007 HARTZELL WASTEGATE 07-02313 $1899.00
Quantity
HARTZELL WASTEGATE; REPLACES CMI 635381-2 07-18872 $4118.00
Quantity
470892-9002 HARTZELL WASTEGATE 07-02330 $1329.00
Quantity
470908-0011 HARTZELL WASTEGATE 07-02375 $3637.00
Quantity
HARTZELL WASTEGATE; REPLACES CMI 636188-17 07-18873 $3877.00
Quantity
470908-9011 HARTZELL WASTEGATE 07-02315 $1989.00
Quantity
470908-9012 HARTZELL WASTEGATE 07-02316 $1899.00
Quantity
470908-9013 HARTZELL WASTEGATE 07-02317 $1950.00
Quantity
470908-9015 HARTZELL WASTEGATE 07-02318 $1899.00
Quantity
470908-9017 HARTZELL WASTEGATE 07-02319 $1899.00
Quantity
HARTZELL FACTORY REBUILT WASTEGATE; REPLACES CESSNA C165006-0114 07-18892 $1856.00
Quantity
HARTZELL PRESSURE RELIEF VALVE; REPLACES LYC LW-14445-2 07-18875 $3395.00
Quantity
HARTZELL PRESSURE RELIEF VALVE; REPLACES CMI 639319-9 07-18876 $3395.00
Quantity
HARTZELL PRESSURE RELIEF VALVE; REPLACES LYC LW-1445-3 07-18877 $3395.00
Quantity
HARTZELL PRESSURE RELIEF VALVE; REPLACES CMI 639319-24 07-18878 $3395.00
Quantity
HARTZELL PRESSURE RELIEF VALVE; REPLACES CMI 639319-26 07-18879 $3395.00
Quantity
470944-9007 HARTZELL VALVE ASSY 07-02266 $869.00
Quantity
HARTZELL FACTORY REBUILT PRESSURE RELIEF VALVE; REPLACES CMI 63319-9 07-18893 $793.00
Quantity
470944-9010 HARTZELL VALVE ASSY 07-02273 $869.00
Quantity
470944-9011 HARTZELL VALVE ASSY 07-02276 $869.00
Quantity
470944-9015 HARTZELL VALVE ASSY 07-02278 $869.00
Quantity
470944-9024 HARTZELL VALVE ASSY 07-02269 $769.00
Quantity
470944-9026 HARTZELL VALVE ASSY 07-02270 $769.00
Quantity
470944-9030 HARTZELL VALVE ASSY 07-02279 $869.00
Quantity
HARTZELL WASTEGATE; REPLACES LYC LW-12960 07-18880 $3582.00
Quantity
470954-0005 HARTZELL NEW WASTEGATE ASSY 07-02374 $3360.00
Quantity
HARTZELL WASTEGATE; REPLACES LYC 47J21296 07-18881 $3582.00
Quantity
HARTZELL FACTORY REBUILT WASTEGATE; REPLACES LYC LW-12960 07-18894 $1848.00
Quantity
HARTZELL FACTORY REBUILT WASTEGATE; REPLACES CESSNA C165006-0601 07-18895 $1848.00
Quantity
470954-9005 HARTZELL WASTEGATE 07-02323 $2029.00
Quantity
470954-9007 HARTZELL WASTEGATE 07-02326 $2029.00
Quantity
HARTZELL VALVE, BUTTERFLY 477150-0000 07-18968 $108.95
Quantity
HARTZELL BUTTERFLY, VALVE 477167-0000 07-18969 $126.99
Quantity
HARTZELL VALVE, POPPET 477285-0001 07-18975 $378.00
Quantity
HARTZELL VALVE, POPPET 477285-0002 07-18976 $445.00
Quantity
HARTZELL VALVE COVER 477306-0000 07-18977 $233.95
Quantity
HARTZELL PRESSURE RELIEF VALVE; REPLACES CMI 641404-1 07-18884 $3300.00
Quantity
481028-9001 HARTZELL VALVE ASSY 07-02267 $769.00
Quantity
481044-9002 HARTZELL WASTEGATE 07-02282 $1149.00
Quantity
HARTZELL WASTEGATE; REPLACES CESSNA C165006-0113 07-18887 $4116.00
Quantity
481064-9001 HARTZELL WASTEGATE 07-02322 $1849.00
Quantity
481064-9002 HARTZELL WASTEGATE 07-02321 $1850.00
Quantity
HARTZELL PRESSURE RELIEF VALVE; REPLACES CMI 641404-1 07-18888 $3395.00
Quantity
HARTZELL PRESSURE RELIEF VALVE; REPLACES CMI 643511-3 07-18889 $3395.00
Quantity
481066-9001 HARTZELL VALVE ASSY 07-02271 $659.00
Quantity
481066-9003 HARTZELL VALVE ASSY 07-02272 $660.00
Quantity
Subtotal $0.00
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Overview

Hartzell Wastegate 470842-9003

Controllers may be found in multiples or combined in a common housing. Regardless of the arrangement, they operate in parallel, even while responding to differing stimuli. Depending upon their installation, controllers may be plumbed directly into the upper deck air-stream or remotely mounted and referenced by means of hoses. Most systems are automatic but not all turbocharging systems are automatically actuated. Instead, systems like those found in the Turbo Arrow and some Mooney's have a simple, built-in exhaust leak upstream of the turbo that allows a fraction of the exhaust gases to be dumped overboard and the remainder to be routed through the turbine. A "fixed" wastegate arrangement.

The controller(s) could be appropriately thought of as the brains or command center for the entire charge-air system. As engine power, speed, or altitude is changed, the controller constantly strives for equilibrium within the system. The exhaust bypass valve (wastegate assembly) simply acts as a slave to the dictates of the controller. Engine oil becomes the muscle of the system, providing the power to actuate the movements of the wastegate assembly.

Hartzell Valve Assemblies

The Pilots' responsibility is to ensure that manifold pressures stay within their prescribed limits. But, humans are known to be fallible. With this in mind, thoughtful engineers sought to incorporate a secondary safety feature known as an absolute Pressure Relief Valve ("pop-off valve"). This valve is strategically positioned between the compressor outlet and the fuel injector/carburetor to prevent engine-damaging surges in manifold pressure. The valve head is normally held in the closed position by a spring/bellows combination. It is set to off-seat at approximately two inches above normally rated MAP.

Continental Motors compares the operation of this spring-loaded valve to a safety valve in a steam boiler. As excessive pressure builds, the valve opens and stays open until the manifold pressure again falls within acceptable limits. The aneroid-style bellows allows the valve to "crack" open at a specified pressure regardless of the operational altitude of the engine.

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