Bendix K046211 AD-9 PuraGuard Air Dryer Part Number: 060-K046211

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The Bendix K046211 AD‑9® Air Dryer is a stand‑alone, body‑mounted air dryer assembly designed for heavy‑duty air brake systems requiring coalescing filtration. This model includes a 12‑volt, 75‑watt heater/thermostat, PuraGuard® coalescing cartridge, stainless‑steel strap mounting, and a standard purge exhaust configuration. The unit features 1/2‑14 NPT supply and delivery ports, 1/4‑18 NPT control port, and a hard‑seat purge valve for reliable moisture and oil aerosol removal.

Built for durability and serviceability, the AD‑9® uses a PuraGuard® coalescing cartridge with 11 inches of removal clearance and includes both upper and lower slotted mounting brackets for flexible installation. With a 200 PSI safety valve opening pressure and no governor included, this air dryer is engineered for applications requiring enhanced oil filtration and consistent air system protection. Bendix cautions that PuraGuard® cartridges must not be replaced with standard or GC‑type cartridges.

Product Description

Manufacturer: Bendix

Part Number: K046211

AD-9 Air Dryer

Oil Coalescing: Yes

Voltage: 12 Volts DC

Specifications

Air Dryer Type: Stand-Alone

Body Mounting: Ø 0.425 in Hole with 3/8-24 UNF-2A Bolted Joint (8x)

Lower Mounting Bracket: 0.41 in x 1.15 in Slot (2x)

Lower Mounting Bracket Angle (CCW from SUP): Loose in Box

Upper Mounting Type: Strap (Stainless Steel)

Upper Mounting Bracket: 0.39 in x 1.15 in Slot (2x)

Upper Mounting Bracket Angle (CCW from SUP): Loose in Box

Upper Mounting Bracket Height: Loose in Box

Supply Port: 1/2-14 NPT

Control Port: 1/4-18 NPT

Delivery Port 1: 1/2-14 NPT

Purge Exhaust Port: Standard

Purge Valve Type: Hard Seat

Purge Volume: Standard

Safety Valve Opening Pressure: 200 PSI

Heater / Thermostat Rating: 12V / 75W

Heater Connector Type: Metri-Pack 280 Series 2-Way Sealed Connector (Male)

Heater Connector Color: White

Cartridge Type: PuraGuard (Coalescing)

Cartridge Thread: 5/8-11 UNC-2A

Cartridge Stabilizer Ring Included: No

Clearance to Remove Cartridge: 11.00 in

Governor Included: No

Maximum Inlet Temperature: 160 °F (71 °C)

Minimum Operating Temperature: -40 °F (-40 °C)

Cautionary Note(s): Do not replace PG cartridge with Standard/GC cartridge.

Cross References: K046211, 060-K046211, K046211BXW, BW K046211, BWK046211
A cross reference listing means that this item should be a suitable replacement for the part numbers listed. You should check the description to be sure it will work in your application.