Dometic Foamed Cooling Unit Assembly - Fits RM85XX Series - Part# 289031307

DometicSKU: 289031307
Added to catalog: March 10, 2026
Last product update: June 6, 2026 at 12:08 PM
Last in stock: Apr 15, 2026

Sale price$1,946.99 Regular price$3,095.71
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In stock (2 units), ready to be shipped
FREE Delivery Estimate June 10 – June 13
1-Hour Cancellation Window

1-Hour Cancellation Window

You'll have 1 hour after placing your order to update your shipping address or cancel completely.

After that, we begin coordinating with our vendors to fulfill your order — at that point, cancellations and address changes usually aren't possible.

If you're unsure about anything, please reach out before ordering or cancel within the window.

The Dometic foamed cooling unit assembly is the heart of your RV refrigerator's cooling system. This component maintains proper temperature regulation in RM85XX series models by circulating coolant through the evaporator. If your fridge isn't cooling properly or you're experiencing temperature fluctuations, this assembly may need replacement.

Key Features

  • Factory-sealed foamed cooling unit designed for optimal thermal efficiency
  • Compatible with Dometic RM85XX series refrigerators
  • Direct OEM replacement—no modifications required
  • Maintains consistent cooling performance in all climates
  • Genuine Dometic construction ensures reliability and longevity
  • Pre-assembled and ready to install

Technical Specifications

Specification Details
Part Number 289031307
Manufacturer Dometic
Compatible Series RM85XX
Component Type Foamed Cooling Unit Assembly
Application RV Absorption Refrigerators

Frequently Asked Questions

How do I know if my cooling unit assembly needs replacement?

Signs include: the refrigerator not cooling to the set temperature, uneven cooling between compartments, frost buildup in unusual locations, or complete cooling failure. If your fridge runs but doesn't cool, the cooling unit assembly is often the culprit.

Is this a difficult installation?

Installation complexity depends on your specific RM85XX model and your mechanical comfort level. We recommend consulting your Dometic service manual or contacting our expert support team for model-specific guidance before beginning work.

Will this part work with my RM85XX model?

This assembly is designed for Dometic RM85XX series refrigerators. Verify your exact model number (found on the fridge nameplate) before ordering. Our support team can help confirm compatibility if you're unsure.

Why Choose Elkhart RV Parts

We specialize in hard-to-find Dometic RV replacement parts and ship directly from Elkhart, Indiana—the RV capital of the world. Every part we sell is genuine OEM Dometic inventory backed by expert support to ensure you get the exact component your RV needs.

100% Authentic OEM Parts

Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.

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