Dometic Replacement Drier Filter 1/4" Bi-Flow 8 Cubic - Part# 4471003292

This Dometic replacement drier filter is an essential component for your RV's air conditioning and refrigeration system. The 1/4" bi-flow design removes moisture and contaminants from refrigerant lines, protecting your cooling system from damage and ensuring efficient operation. If your Dometic AC or refrigerator isn't cooling properly or you're performing routine maintenance, this OEM filter is the exact replacement you need.

Key Features

• 1/4" bi-flow connection for standard Dometic refrigerant lines
• 8 cubic inch capacity for effective moisture absorption
• Genuine OEM Dometic part — exact factory replacement
• Protects compressors and expansion devices from acid and moisture damage
• Compatible with R-134a and other common RV refrigerants
• Reliable performance in extreme RV climate conditions

Technical Specifications

Frequently Asked Questions

How often should I replace my RV drier filter?
Dometic recommends replacing the drier filter every 2-3 years or whenever you service your refrigeration system. If you notice reduced cooling performance or have had a refrigerant leak, replace it immediately to prevent compressor damage.

Will this filter work with my Dometic RV air conditioner and refrigerator?
Yes, this 1/4" bi-flow drier filter is used in many Dometic cooling systems. However, verify your current filter connection size (1/4" is standard, but some units use 3/8"). Check your existing filter or consult your RV manual to confirm compatibility.

What's the difference between a drier filter and a regular filter?
A drier filter removes both particulate contaminants AND moisture from refrigerant lines. Moisture in your AC or refrigerator system causes acid formation and compressor failure, making the drier function critical for system longevity.

Why Choose Elkhart RV Parts

We specialize in hard-to-find Dometic replacement parts and ship directly from Elkhart, Indiana — the RV capital of the world. This is a genuine OEM Dometic part backed by our expert support team. When you need the exact replacement your RV was built with, Elkhart RV Parts has it in stock and ready to ship.