Description
MODEL 4 END COVER KIT – 12V, 1/2” PORTS (AD-4 STYLE)
PART NUMBER(S):
Fleet Products: 103980-G3
OE: 103980K
Automann: N/A
DESCRIPTION:
Model: Bendix AD-4 / Haldex Model 4
Engines: Compatible with all heavy-duty diesel applications using AD-4 style air dryers
Vehicles: Commercial Trucks, Buses, Tractors, Trailers
• Voltage: 12V
• Port Sizes: Supply – 1/2" NPT, Delivery – 1/2" NPT
• Mounting Style: Direct Replacement (Includes gasket & hardware)
Applications: Designed as a direct OE end cover replacement for AD-4 style air dryers (Haldex Model 4). Used in air brake systems to maintain structural and sealing integrity. Compatible with Haldex 65041X assembly and similar. Ideal for vocational and on-highway vehicle fleets.
CROSS-REFERENCE(S):
103980-G3, 103980K, 103980G, 103980, gdx103980, 103980, 103980N, 65044, 745103980, BEN103980, BES103980, ZZ103980K
A cross-reference listing means this part is functionally interchangeable with the above numbers. Always verify specifications.
IMPORTANT INSTALLATION NOTES:
Depressurize the vehicle’s air system before servicing.
Use included hardware and gaskets for proper sealing and fitment.
Follow manufacturer torque specs and alignment instructions.
Handle with care, risk of exposure to harmful chemicals.
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