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Bendix  |  SKU: K049199

K049199 | Genuine Bendix® AD-IS Air Dryer Assembly 12V

$66900
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Description:
An Air Dryer K049199 is a component used in heavy-duty vehicles and equipment with air brake systems (trucks, buses, trailers) that removes moisture and contaminants from compressed air before it enters the air system. AD-IS Air Dryer Assembly 12V For Freightliner / Daimler, Kenworth, International, Volvo, Mack

Part Number: K049199
Condition: New
Manufacture/Brand: Bendix

Specifications K049199:

Air Dryer Type Stand-Alone
AUX 1 Delivery Opening Pressure 112 PSI
AUX 1 Delivery Port 1 1/4-18 NPT
AUX 1 Delivery Port 2 1/4-18 NPT
AUX 1 Delivery Port 3 1/4-18 NPT
AUX 1 Delivery Port 4 1/4-18 NPT
AUX 2 Delivery Opening Pressure 112 PSI
AUX 2 Delivery Port 1/4-18 NPT
Cartridge Thread M39 x 1.5-6H RH
Cartridge Type Standard
Cautionary Note(s) Pressure protection valve configs are not interchangeable.
Clearance to Remove Cartridge 1.00 IN
Compressor Unloader Port Not applicable to this part
Cut-In Pressure 110 PSI
Cut-Out Pressure 130 PSI
Governor Included Yes
Governor Reservoir Port 1/8-27 NPT (Plugged)
Governor Type Non-Adjustable
Governor Unloader Port 1/8-27 NPT
Heater / Thermostat Rating 12V / 90W
Heater Connector Color White
Heater Connector Type Metri-Pack 280 Series 2-Way Sealed Connector (Male)
Market Indicator Aftermarket New
Maximum Inlet Temperature 160 AdegF (71 AdegC)
Minimum Operating Temperature -40 AdegF (-40 AdegC)
Mounting Mount to Purge Reservoir (Not Included)
Number of Compartments Not applicable to this part
Pressure Protection Valve Configuration 4 in Parallel
Pressure Range Not applicable to this part
PRI Delivery Opening Pressure 103 PSI
PRI Delivery Port 21 1/4-18 NPT
Purge Exhaust Port Standard
Purge Valve Type Hard Seat
Purge Volume Not applicable to this part
Remote Charge / Fill Port (through Desiccant) Not applicable to this part
Remote Charge / Fill Port 1 (after Desiccant) Not applicable to this part
Remote Charge / Fill Port 2 (after Desiccant) Not applicable to this part
Reservoir Diameter Not applicable to this part
Reservoir Fill Type Not applicable to this part
Reservoir Length Not applicable to this part
Reservoir Material Not applicable to this part
Safety Valve Opening Pressure 153 PSI
SEC Delivery Opening Pressure 112 PSI
SEC Delivery Port 22 1/4-18 NPT
Supply Port 1/2-14 NPT


Fits K049199 For

  • Freightliner / Daimler
  • Kenworth
  • International
  • Volvo
  • Mack
Make Model Model Years
Mack LEU612 2007–2018
Mack LEU613 2008–2018
Mack MRU612 2008–2018
Mack MRU613 2008–2018
Mack MRU633 2014–2018


Purpose of using K049199:

  • Remove moisture from compressed air

    • Prevents water buildup that can cause corrosion and freezing.

  • Protect air brake system

    • Keeps valves, air lines, and brake chambers working reliably.

  • Prevent air system freezing

    • Especially important in cold weather where moisture can freeze in lines.

  • Filter oil and contaminants

    • Removes compressor oil and debris from the air supply.

  • Extend component life

    • Reduces wear and damage to air system parts.

  • Maintain proper air pressure

    • Helps the system build and hold air pressure efficiently.


Signs of Bad Air Dryer K049199

  • Excess moisture in air tanks

    • Water drains from tanks more than normal

  • Air system freezing

    • Frozen air lines or valves, especially in cold weather

  • Slow air pressure build-up

    • Takes longer than normal to reach operating pressure

  • Frequent or constant purging

    • Dryer purges too often or doesn’t stop purging

  • Air leaks

    • Hissing sounds around the air dryer or purge valve

  • Low air pressure warnings

    • Dashboard air pressure light or buzzer activates

  • Brake performance issues

    • Brakes feel slow to apply or release

  • Oil or debris in air system

    • Contaminants found in air tanks or valves


About the Manufacturer – Bendix:
Bendix is a leading manufacturer of air brake systems, safety technologies, and control components for commercial trucks, buses, and trailers. Known for innovations in braking, stability, and traction control, Bendix supplies OEM and aftermarket parts across North America. It is a subsidiary of Knorr-Bremse, a global leader in braking systems.

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