Dometic AC Drain Pan Assembly - Fits AU18HVZ AU18DCZ - Part# 264400141

The Dometic AC Drain Pan Assembly (Part# 264400141) is a critical replacement component for select Dometic rooftop air conditioners. This OEM drain pan collects and channels condensation away from your RV's interior, preventing water damage and maintaining proper AC operation. Designed specifically for AU18HVZ and AU18DCZ models, this assembly ensures proper fit and reliable performance in your RV's climate control system.

Key Features

• OEM Replacement Part: Genuine Dometic component engineered to exact factory specifications for AU18HVZ and AU18DCZ air conditioner models
• Complete Assembly: Includes drain pan with integrated drainage channels and mounting points for straightforward installation
• Corrosion-Resistant Construction: Durable materials designed to withstand constant moisture exposure and temperature fluctuations
• Prevents Water Damage: Properly channels condensation away from electrical components and RV interior spaces
• Direct Fit Design: Precision-molded to match original equipment dimensions and mounting configuration
• Essential Maintenance Component: Replaces cracked, warped, or damaged drain pans that can cause leaks and AC malfunction

Technical Specifications

Compatible Dometic Models

Frequently Asked Questions

How do I know if my drain pan needs replacement?

Signs of a failing drain pan include water leaking inside your RV near the AC unit, visible cracks or warping in the pan, water pooling around the AC base, or reduced cooling efficiency. If you notice water stains on your ceiling or condensation dripping from the AC unit, inspect the drain pan immediately.

Is this drain pan assembly difficult to install?

Installation requires removing the AC shroud and accessing the interior components of your rooftop unit. While mechanically straightforward, you'll need to work on your RV's roof and handle the AC unit carefully. Basic hand tools are required, and following Dometic's service manual for your specific model is recommended. Many RV owners with moderate DIY skills can complete this repair.

Will this fit other Dometic AC models besides AU18HVZ and AU18DCZ?

This drain pan assembly is specifically engineered for AU18HVZ and AU18DCZ models. Using it with other Dometic AC models may result in improper fit, drainage issues, or installation problems. Always verify your exact model number (found on the AC unit's data plate) before ordering to ensure compatibility.

What causes drain pans to crack or fail?

Drain pans typically fail due to thermal cycling (repeated heating and cooling), UV exposure, age-related material degradation, or physical stress from improper installation. Road vibration and impact during travel can also contribute to cracking. Regular inspection during routine RV maintenance helps catch issues before they cause interior water damage.

Why Choose Elkhart RV Parts?

At Elkhart RV Parts, we specialize in hard-to-find Dometic replacement components like this AC drain pan assembly. Located in Elkhart, Indiana—the RV capital of the world—we understand the importance of keeping your RV's climate control system functioning properly. We stock genuine OEM Dometic parts and provide fast shipping to get your air conditioner back in service quickly. Our team has the expertise to help you identify the right part for your specific model, ensuring you get exactly what you need the first time.