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Cessna Carburetor Heat Air Box Assembly

Get rid of that tired, old air box!! Install NEW, not rebuilt!
Finally a cost effective, improved air/heat system!

  • New with improved components.
  • Direct replacement of original assembly.
  • Quality built with McFarlane bearing housings.
  • Transport Canada Part Design Approval - Ships with Transport Canada Form One.

Stop wasting time and money cobbling together that old air-box. Newly constructed air boxes reduce maintenance headaches, increase efficiency of the induction system and include vibration absorbing parts. Eliminate cracks and vibration fatigue repairs. Effective control and application of carburetor heat is a must. Damaged components, mis-repair and inferior seals can cause dangerous conditions and the inability to clear away ice. Improved components extend the service life of all components through the use of McFarlane vibration absorbing bearings, no more needle bearing failures!
Replacement components including flange and flappers are available separately.

Maintenance Tip:

When there is excessive “slack” or lack of “sufficient friction” on the carb heat control cable the flapper will vibrate back and forth wearing the airbox, the carb heat cable and create unneeded vibration.

McFarlane’s carb heat cables have a friction/tension system built in for reduced vibration wear, longer life and smooth, consistent control and a special heavier wire for more fatigue strength and reliability!


Stocking, processing
and delivering aerospace parts

Hello and welcome to our website. Contained within these pages is most of the information found in our printed catalogue, all available to order online! In addition you can search our entire inventory of over 125,000 part numbers.

Stock and pricing of all parts listed on this site is live, all prices exclude VAT and shipping. All orders are subject to our standard terms and conditions.

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Quality products
and easy ordering

All our stock is available for next day delivery. In addition we have distributorships for Aircraft Tool Supply, LP Aero Plastics, Falcon Gauge, Ceconite / Randolph and Shield Technology to name but a few!

We are also the UK and European distributor for Aircraft Spruce and Speciality, with whom we have been doing business with for over 25 years.

Should you ever need any further information then our experienced sales team are just a phone call or email away and will happily answer any questions you may have.