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In order to better serve you, we have complied a list, updated periodically, of parts that are frequently misidentified. Prior to
purchasing an exchange item, we encourage you to consult with us should you have any uncertainty as to the acceptability
or credit value of your exchange core. By contacting us in advance of purchase with your core p/n, manufacturer's name & manufacturer's
p/n, and reason for removal, we can reduce the potential for core billing or other charges. Please feel free to
contact us concerning your core
if you have any questions.
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Cessna Landing
Gear Actuators
(9910139- series and 9910136- series)
With three different manufacturers (Teijin Seiki, Cessna Fluid Power & Western Hydraulics), these cores range in value but
are easy to identify. The primary core consideration is whether or not it is a Teijin Seiki or one of the other two manufacturers.
You will notice the the Teijin Seiki manufactured unit has a micro switch that is parallel
to the the actuator's body, where as the other two manufactures have micro switches that are perpendicular to the actuator body.
Click on the image for details.
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Cessna Fuel Pumps
(P/N 1C12-17 vs. RR53710 series)
The Airborne 1C12-17 differs from the older Romec RR53710 series several ways. Here’s some
visual clues to look for. Look closely at the mount face, motor cover, and for the presence of screws joining the motor / pump
body to the pump lower half. Our comparison photo will assist you in the respective differences.
Click on the image for details.
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Cessna Other
(Trim Actuators P/N 1260074-4 vs. P/N 0815097-2)
Even though these trim actuators fit different aircraft, they are often mistakenly bought
in place of one another. There are several obvious differences between these two units.
Click on the image for details.
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(Rudder Trim Actuators P/N 5115207-1 vs. P/N 5115207-6)
The 5115207-1 & 5115207-6 are very similar but can be quickly differentiated by measuring the
shaft diameter of the exposed jackscrew. A measurement of 1/4" indicates a -1, whereas a 5/16" diameter is found in the -6 actuator.
Click on the image for details.
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(Dimmers P/N 5118424-1 vs. P/N 5118424-3)
In our experience examining various -1 & -3 cores over the years, we have come to believe the
5118424-3 dimmer has an additional component affixed next to the toggle switch not found on the -1 dimmer and a wire present at
connector pin 24. The -1 dimmer appears not to have the additional component and connector pins 24 & 25 are not utilized.
Click on the image for details.
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Cheyenne
(Fuel Pump RG52400B & RG52400D vs. 1C15-4 & 1C54-1)
The Romec RG52400B / D pumps usually have data plates affixed and have a pump body that is
significantly different than the Airborne 1C54-1 or 1C15-4. When installed in the aircraft fuel bay, pump identification is very
difficult with the most reliable identification method being removal of the pump.
Click on the image for details.
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Citation Landing Gear Actuators
(Teijin Seiki vs. Dowty Decoto)
Dowty Decoto and Teijin Seiki MLG actuators are both popular with our Citation owners. Dowty units are
usually grey in color with a 2-port arrangement that typically shares a single raised boss. The Dowty may have a multi-piece housing
end vs. the Teijin Seiki’s solid end.
Click on the image for details.
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Raytheon King Air
(Actuators P/N 101-389006-7 vs. P/N 101-389006-11)
Since these actuators are interchangable, they are commonly mis-ordered. Both actuators have the same
fit, form and function, but very different values. The -7 is manufactured by Barber Coleman, where as the -11 is manufactured by Electromech.
When placing these two units side by side, the differences are obvious.
Click on the image for details.
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(Deice Distribution Valves P/N 1532-3c vs. P/N 101-384144-1 & -3)
The 1532-x series valves are all very similar at first glance. The 1532-3 (style A, B, or C) are
black in color with a metal body. The newer 1532-11D (101-384144-1) and the newest version, the 1532-10C (101-384144-3) have
plastic bodies. The -11D’s are green / blue in color whereas the -10C’s are black. Upon close visual inspection differences
in the -3x vs. -10C bodies are noticeable.
Click on the image for details.
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