Carb Heat Controls

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Carburetor Heat Controls  


Cessna 140 thru 185 Aircraft

Longer life and up to 40% off OEM list price!


The most often replaced Cessna part just got better and now costs less!

  • High temperature Teflon lined conduit for reduced vibration wear, longer life and smooth, consistent control 
    • Cheapy controls with poly liners will not tolerate engine temperatures
  • Special heavier wire for more fatigue strength and reliability
  • Improved friction mechanism
  • High quality scratch resistant phenolic knob
    • Updated square knob meets the latest FAA standards


For ordering information, go to Cessna Carb Heat Controls.


Bolt style wire clamps also available.




Piper PA18 thru PA38 Aircraft

Longer life and save up to $200


The most often replaced controls just got better!

  • Special, heavier wire for more fatigue strength and reliability
  • Improved friction mechanism
  • Reduced vibration wear
  • Anti-rotate feature to reduce stress on the inner wire
  • High temperature Teflon lined conduit


High quality replacement knobs duplicate the original Piper color and shape to maintain the original factory appearance of the instrument panel. To select the correct knob for your aircraft, please see the Eligibility Chart.


For ordering information, go to Piper Carb Heat Controls.


Also see MC70371-00 for swivel fittings (bug nuts). 



McFarlane rod endsconduit clampsadel clamps, and wire clamps also available!

Part Number Description Your Price Stock
6289 DECAL, Carb Heat $1.95
MC454-120 CONTROL $76.32
MC471-052 KNOB, Round, Ivory, Polished $11.44
MC471-060 KNOB, Round, Black, Polished $11.44
MC471-084 KNOB, Round, Black, Carb Heat $9.29
MC553-874 CONTROL, Carb Heat $174.13
MC554-053 CONTROL, Carb Heat $138.66
MC554-093 CONTROL, Carb Heat $164.41
MC554-094 CONTROL, Carb Heat $181.94
MC554-095 CONTROL, Carb Heat $195.69
MC554-167 CONTROL, Carb Heat $176.73
MC554-387 CONTROL, Alt Air $162.34
MC554-511 CONTROL, Carb Heat $79.96
MC571-131 KNOB, Round, Chrome $47.82
MC63902-003 CONTROL, Carb Heat $193.33
MC63902-016 CONTROL, Carb Heat $187.37
MC63902-021 CONTROL, Carb Heat $174.13
MC66856-007 CONTROL, Carb Heat $188.28
MC70371-00 FITTING ASSEMBLY, Swivel $45.56
MC70371-002 FITTING, Swivel $13.08

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