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Home / Airframe Parts / Piper Parts / Fuel Transmitters /Fuel Quantity Transmitter For Piper Aircraft
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Fuel Quantity Transmitter For Piper Aircraft

6 Reviews 3 Answered Questions
$790.00/Each
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Part# 05-04870
MFR Model# MC68101-02

Overview

Fuel Quantity Transmitters. More accurate and lasts longer!
McFarlane fuel quantity transmitters are a direct replacements for originally installed Stewart Warner type fuel quantity transmitters. Eliminates the need for expensive transmitter conversion kits that require replacement of fuel gauges and wiring. These transmitters are engineered to be compatible with the original fuel quantity gauge and wiring which uses time proven technology and reliability.

Each transmitter is manufactured using the new Stewart Warner "thick film ceramic" resistor technology. The benefits are longer life and increased accuracy. All components are thoroughly tested to ensure reliable operation.

•Save hundreds of dollars!
•Stewart Warner direct replacement
•No modifications required

NOTE: Does NOT include screw/seal assembly or gasket (see accessories to order seperatly).

*** Installation Warning ***

Do not replace the Rochester fuel quantity transmitter with the Stewart Warner transmitters. The electrical function is not compatible. Stewart Warner transmitters must be used to replace Stewart Warner transmitters only. Replacing the Rochester transmitter with the Stewart Warner transmitter will result in erroneous fuel quantity indications.

Some Cessna and Piper aircraft have been modified with a Service Kit to use the Rochester fuel quantity indicating system. This modification required changing the fuel quantity gauge, transmitter, and other electrical components. Do not use the McFarlane (Stewart Warner) transmitters as a replacement for these aircraft.
Rochester Transmitter:
Early Style Stewart Warner Transmitter:

Eligibility Chart

Model
Beginning S/N
Ending S/N
PA-28-140
28-7225001
28-7225612
PA-28-140
28-7425001
28-7425454
PA-28-140
28-7625001
28-7625234
PA-28-140
28-20551
28-26956
PA-28-140
28-7325001
28-7325684
PA-28-140
28-7525001
28-7525350
PA-28-140
28-7725001
28-7725290
PA-28-150
28-1761
28-4377
PA-28-151
28-7515001
28-7515449
PA-28-151
28-7715001
28-7715314
PA-28-151
28-7415001
28-7415703
PA-28-151
28-7615002
28-7615435
PA-28-160
28-1761
28-4377
PA-28-161
28-7816001
28-7816680
PA-28-161
28-8016001
28-8016373
PA-28-161
28-8216007
28-8216007
PA-28-161
28-8216017
28-8216017
PA-28-161
28-8216021
28-8216021
PA-28-161
28-7716002
28-7716323
PA-28-161
28-7916001
28-7916598
PA-28-161
28-8116001
28-8116268
PA-28-161
28-8216014
28-8216014
PA-28-161
28-8216019
28-8216019
PA-28-180
28-1761
28-5869
PA-28-180
28-7205001
28-7205328
PA-28-180
28-7405001
28-7405290
PA-28-180
28-7105001
28-7105244
PA-28-180
28-7305001
28-7305611
PA-28-180
28-7505001
28-7505261
PA-28-181
28-7790001
28-7790607
PA-28-181
28-7990001
28-7990589
PA-28-181
28-8190001
28-8190279
PA-28-181
28-8290018
28-8290018
PA-28-181
28-8290033
28-8290034
PA-28-181
28-7690001
28-7690467
PA-28-181
28-7890001
28-7890551
PA-28-181
28-8090001
28-8090372
PA-28-181
28-8290017
28-8290017
PA-28-181
28-8290028
28-8290028
PA-28-181
28-8290036
28-8290036
PA-28-235
28-7110001
28-7110042
PA-28-235
28-7310001
28-7310187
PA-28-235
28-7510001
28-7510145
PA-28-235
28-7710001
28-7710089
PA-28-235
28-10003
28-11393
PA-28-235
28-7210001
28-7210038
PA-28-235
28-7410001
28-7410120
PA-28-235
28-7610001
28-7610206
PA-28R-180
28R-30005
28R-30481
PA-28R-180
28R-7130001
28R-7130019
PA-28R-180
28R-30483
28R-31279
PA-28R-200
28R-30482
28R-30482
PA-28R-200
28R-7135001
28R-7135238
PA-28R-200
28R-7235001
28R-7235330
PA-28R-200
28R-35001
28R-35830
PA-28R-200
28R-7200055
28R-7200055
PA-28R-200
28R-7335001
28R-7335455
PA-28R-200
28R-7435001
28R-7435331
PA-28R-200
28R-7535001
28R-7535303
PA-28R-200
28R-7635001
28R-7635545
PA-32-260
32-1
32-1320
PA-32-260
32-7100001
32-7100038
PA-32-260
32-7200001
32-7299999
PA-32-260
32-7300001
32-7300076
PA-32-260
32-7400001
32-7400061
PA-32-260
32-7500001
32-7500053
PA-32-260
32-7600001
32-7600033
PA-32-260
32-7700001
32-7700023
PA-32-260
32-7800001
32-7800008
PA-32-300
32-40000
32-41018
PA-32-300
32-7140001
32-7140086
PA-32-300
32-7240001
32-7240147
PA-32-300
32-7340001
32-7340201
PA-32-300
32-7440001
32-7440182
PA-32-300
32-7540001
32-7540198
PA-32-300
32-7640001
32-7640142
PA-32-300
32-7740001
32-7740113
PA-32-300
32-7840001
32-7840222

Reviews

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Pa32-300 perfect fit. Fuel indication was at five gallon after filling the tank with five gallons of fuel. Recommend this product!

Burrows A Verified Purchase

Transmitter MC68101-02
November 30, 2024

worked perfectly

Air T Verified Purchase

Transmitter MC68101-02
January 13, 2023

Perfect replacement for my old Cherokee Six (PA32-260). For $425 bucks, you would have thought they would include the gasket, but nope. )

William S
August 24, 2022

Worked great.

Paul K Verified Purchase

Transmitter MC68101-02
May 24, 2022

Installs and functions as it should. Looks more robust then the original unit.

Eric S Verified Purchase

Transmitter MC68101-02
February 19, 2022

Will check this for proper operation today

Rick E
July 19, 2019

Q&A

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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: I have a generic fuel sending unit. I want a Viton rubber gasket for it. I see that MC462-021 and MC461-931 are both of that type of rubber. However the dimensions are not given any where to compare these to. Can you give me the outside, inside and bolt ring diameters so that I can determine if they will work?

Part # 05-04872 (GASKET MC462-021): O/D= 2 5/8", I/D= 1 5/8", and Bolt Ring= 3/16".
Part # 05-04871 (GASKET MC461-931): O/D= 5 1/2", I/D= 1 7/16, and Bolt Ring= 1/8".

Q: What is the resistance range from empty to full?

Approx 32 ohms when full and 250 ohms when empty.

Q: Which gasket and screw seals are needed for this transmitter?

screw/seals: MC1802. Gaskets are based off the aircraft serial: MC462-021 or MC462-931

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