P/№: 109689PG by Volvo® - Air Brake Dryer - New Skip to content
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109689PG | Genuine Volvo® Air Brake Dryer
Volvo & Mack

109689PG | Genuine Volvo® Air Brake Dryer

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  • Product SKU: 109689PG
  • Availability: In Stock
$549.00 - $549.00
$549.00
$549.00 - $549.00
$549.00
Hurry! only 1 left in stock!

Pickup available at 111 Belton Drive Unit -B Usually ready in 24 hours

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Description: AD-9 Air Dryer 12V For Freightliner, Mack, International, Volvo/White, Meritor/Rockwell
Condition: New
Brand: Volvo®  
Part Number: 109689PG 

Fitment Guide:

Freightliner, Mack, International, Volvo/White, Meritor/Rockwell, and similar vehicles that use Bendix‑style air dryers


Specifications:

Heater Voltage
12 Volt
Heater Watts
75 Watt
Supply
1/2" NPT
Delivery
1/2" NPT
Control
1/4" NPT


A Bendix AD-9 Air Dryer is a heavy-duty truck air system component that removes moisture, oil vapor, and contaminants from compressed air before the air goes into the air brake system.
 
  • Dry the compressed air
    • Removes water vapor from air coming from the air compressor.
  • Filter contaminants
    • Traps oil mist, dirt, and debris before they enter the system.
  • Protect air brake components
    • Helps prevent corrosion and damage to valves, tanks, and brake chambers.
  • Prevent freezing in cold weather
    • Stops water from freezing inside air lines and valves.
  • Improve brake system reliability
    • Keeps air pressure systems operating consistently and safely.
  • Reduce maintenance costs
    • Less moisture means fewer repairs and less manual draining of air tanks.
  • Extend component lifespan
    • Air tanks, valves, ABS components, and compressors last longer.

Signs of Faulty:
 
  1. Air leak from purge valve
    • Constant hissing from the bottom of the dryer.
    • One of the most common signs.
  2. Frequent or abnormal purging
    • Dryer purges too often, weakly, or continuously.
  3. Slow air pressure build-up
    • Truck takes longer than normal to reach operating air pressure.
  4. Excess moisture in air tanks
    • Water drains out of tanks frequently.
    • Indicates the desiccant is no longer drying air properly.
  5. Oil contamination in air system
    • Oily residue in tanks or valves.
    • Can indicate compressor or dryer failure.
  6. Frozen air lines or valves (cold weather)
    • Moisture bypasses the dryer and freezes in the system.
  7. Air governor cycling issues
    • Compressor cuts in/out improperly due to dryer problems.
  8. Brake system problems
    • Sticky valves, sluggish brakes, or ABS faults caused by contamination.
  9. Low air pressure warnings
    • Dash air pressure alarms or warning lights.
  10. Compressor overworking or overheating
  • Faulty dryer can increase compressor workload.


Volvo, a Swedish automobile company founded in 1927, is renowned for its steadfast commitment to safety and innovation. Beyond its core focus on automobiles, Volvo extends its expertise to other industries such as construction machinery and marine equipment. Prioritizing sustainable mobility, Volvo is at the forefront of developing electric and hybrid technologies. Its century-long history underscores Volvo's status as a leader in the automotive sector, where it continues to shape the future with its emphasis on safety, innovation, and environmental responsibility.

Warranty
First Truck Parts offers a 365-days warranty for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website


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