74R4218 Pad-Mount Receiver Drier – Freightliner High-Capacity Mobile A/C

Description

The BTRAC 74R4218 Pad-Mount Receiver Drier helps mobile air conditioning systems operate reliably by removing moisture and contaminants from the refrigerant circuit. As a result, it reduces corrosion, protects internal components, and supports steady cooling performance during daily operation.

This unit uses a pad-mount configuration designed to bolt directly to a mating manifold. Because of this layout, it installs cleanly in Freightliner HVAC systems that use compact, integrated receiver-drier assemblies. In addition, the manifold-style port arrangement helps reduce hose routing complexity while maintaining a secure seal.

The cylindrical body provides high-capacity desiccant performance, which supports systems that operate under long duty cycles and higher thermal loads. Therefore, the 74R4218 works well in on-highway trucks that see extended run times and demanding operating conditions.

Based on confirmed labeling and validated interchange usage, the 74R4218 is commonly used in Freightliner® applications, including platforms that use pad-mount receiver driers integrated into the condenser or manifold assembly.

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Key Features

• Heavy-duty pad-mount receiver drier for mobile A/C systems

• High-capacity desiccant core for improved moisture control

• Manifold-style pad-mount port configuration

• Compact design for integrated HVAC assemblies

• Compatible with R-134a refrigerant

• Designed for Freightliner® applications

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Specifications

• Part Number: 74R4218

• Receiver Type: Pad-mount receiver drier

• Capacity: High capacity

• Mounting Style: Pad-mount

• Port Style: Manifold / pad-mount ports

• Refrigerant Compatibility: R-134a

• Application Type: Mobile / heavy-duty A/C systems

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OEM Application Notes

Based on confirmed configuration and validated interchange positioning, the 74R4218 receiver drier is commonly used in:

• Freightliner® on-highway trucks

• Freightliner HVAC systems using pad-mount receiver driers

• Mobile A/C systems with integrated condenser/manifold assemblies

• Fleet and vocational vehicles operating under long duty cycles

Applications are confirmed at the system level and are intended for service identification rather than VIN-specific fitment.

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Interchange Numbers

37-19888, 4379-RD5156891P, 74R4218, 7586, A22-66600-000, A22-69799-000, A22-77123-002, ABP N83 319005, RDHRD5156891P, RDT74R4218