Dometic RM Series Refrigerator Main Control Board PCB - Part# K9056-90

DometicSKU: K9056-90
Added to catalog: March 11, 2026
Last product update: June 16, 2026 at 8:56 AM

Sale price$117.99 Regular price$187.60
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In stock (124 units), ready to be shipped
FREE Delivery Estimate June 20 – June 23
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The Dometic RM Series refrigerator main control board (PCB) is the central electronic hub that regulates temperature, manages cooling cycles, and controls all operational functions of your RV fridge. If your Dometic RM refrigerator won't cool, displays error codes, or has intermittent power issues, a faulty control board is often the culprit. This genuine OEM replacement restores full functionality to your RV's cooling system.

  • Genuine OEM Dometic replacement part for RM Series refrigerators
  • Controls temperature regulation and cooling cycle management
  • Manages all electronic functions and safety systems
  • Direct replacement—no modifications required
  • Tested and verified for compatibility with RM Series models
  • Resolves cooling failures, error codes, and power issues
Specification Detail
Part Number K9056-90
Manufacturer Dometic
Fits Models Dometic RM Series Refrigerators
Component Type Main Control Board (PCB)
Function Temperature control and cooling cycle management

Frequently Asked Questions

Q: How do I know if my control board has failed?
A: Common signs include the fridge not cooling, error codes on the display, intermittent power cycling, or complete loss of power to the unit. If basic troubleshooting (checking power, gas supply, and ventilation) doesn't resolve the issue, the control board is likely the problem.

Q: Will this board work with my specific RM model?
A: This K9056-90 board is designed for Dometic RM Series refrigerators. Confirm your exact model number (found on the fridge nameplate) before ordering. Contact our expert team if you're unsure about compatibility.

Q: Is this a genuine Dometic part or an aftermarket replacement?
A: This is a genuine OEM Dometic part, ensuring exact fit, proper function, and reliability. We stock only authentic Dometic components—no aftermarket substitutes.

Why Buy from Elkhart RV Parts

We specialize in hard-to-find Dometic RV replacement parts and ship from Elkhart, Indiana—the RV capital of the world. Every part is genuine OEM stock, backed by expert support to help you find the exact component your rig 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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