The BT4-7594 Receiver Drier for Caterpillar Off-Road Applications is built for Caterpillar off-road A/C systems.
It helps remove moisture and debris from the refrigerant circuit.
This steel receiver drier measures 3 inches in diameter and 6 1/2 inches long.
It uses 3/8 inch #6 male O-ring fittings on both the inlet and outlet.
As a result, it is a strong replacement option for compatible Caterpillar, excavator, and off-road HVAC systems.
Function and Performance
A receiver drier helps protect the A/C system from moisture and contaminants.
It also supports steady refrigerant flow.
Moisture inside the system can cause poor cooling and corrosion.
In addition, debris can damage the compressor, expansion valve, and other A/C parts.
Therefore, replacing the receiver drier during major A/C service is an important step.
It helps protect the system and supports reliable cooling performance.
Durability and Design
The BT4-7594 receiver drier uses steel construction for demanding off-road HVAC use.
It is compatible with R12 and R134a refrigerant systems.
This drier includes a male switch port.
Because of this layout, it can support control functions in compatible mobile A/C systems.
It is commonly used in Caterpillar off-road applications, including CAT excavator and M318 applications.
It may also fit select FNH excavator EC270 applications when the part numbers match.
Installation
Install this receiver drier in the correct direction of refrigerant flow.
Then connect the 3/8 inch #6 male O-ring inlet and outlet fittings.
Before ordering, compare your current drier size, fitting style, switch port, and cross-reference number.
Also, confirm that the part matches your Caterpillar or off-road application.
For best results, replace the receiver drier any time the A/C system is opened for major service.
Product Details
- BTRAC Part Number: BT4-7594
- Description: Receiver drier
- Application: Caterpillar off-road applications
- Material: Steel
- Refrigerant Type: R12 / R134a
- Diameter: 3 in.
- Overall Length: 6 1/2 in.
- Inlet: 3/8 in. #6 male O-ring
- Outlet: 3/8 in. #6 male O-ring
- Switch Port: Male
- O-Ring #1: 0011
- Note: CAT excavator, M318 / FNH excavator EC270
OEM / Part Numbers
- MEI Part Number: 7594
- OEM Numbers: 73186213, 196-9083, 3008485
- AP Air: 803-309
Cross Reference
This part may cross reference with:
- AP Air: 803-309
- MEI: 7594
- Caterpillar: 196-9083
- OEM: 73186213
- OEM: 3008485
Need Help?
Not sure if BT4-7594 is the correct receiver drier for your Caterpillar off-road A/C system?
Contact BTRAC with your part number, machine model, photos, or fitting details. Our team can help confirm fitment or find the right option.
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