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MC 521099MC Suburban RV Furnace Ignition Control Board 12V DC

Manufacturer

MC

<h3>About MC Enterprises</h3><p>MC Enterprises, based in Camarillo, California, has built a well-earned reputation as a trusted source for after-warranty recreational vehicle appliance replacement parts. For decades, the brand has served RV owners, mobile repair technicians, and dealerships who need reliable, cost-effective alternatives to expensive OEM components without sacrificing quality or fit.</p><p>The company focuses specifically on the appliance systems that keep RVs comfortable and functional — furnaces, refrigerators, water heaters, and HVAC systems. By sourcing components that meet strict federal and state manufacturing regulations, MC Enterprises ensures that each part delivers the dependability customers expect from a direct OEM replacement, often at a meaningfully lower cost.</p><h3>A Specialty Built Around RV Comfort Systems</h3><p>RV appliances endure unique stresses — constant vibration, temperature extremes, and the rigors of life on the road. When a furnace stops pushing warm air or an HVAC system loses its ability to regulate the cabin environment, the problem often traces back to a single component. MC Enterprises has made it their mission to stock precisely those parts.</p><p>Among their most sought-after products are <a href="/5807-mc-hvac-blower-motor-6916">HVAC blower motors</a>, which are critical to the operation of RV furnaces from leading OEM brands like Atwood, Suburban, and Dometic. These motors power the blower wheel and combustion air wheel inside the furnace, and MC Enterprises offers a wide range of replacement options to match specific furnace models with precision.</p><p>Beyond motors, MC Enterprises also supplies the electronic and thermostatic controls that govern how RV climate systems operate. Their <a href="/5807-mc-hvac-control-module-47959">HVAC control modules</a> — including thermostat control assemblies and related switching components — are engineered to serve as drop-in replacements for Dometic and Suburban units, making repairs straightforward for technicians and confident DIYers alike.</p><p>For water system needs, MC Enterprises extends its coverage to engine water pump and water heater components, reflecting the brand's broader commitment to keeping every major system aboard an RV in working order.</p><h3>Why Choose MC Enterprises?</h3><ul style="list-style:disc"><li><strong>After-warranty focus:</strong> Designed specifically for out-of-warranty vehicles where OEM support may no longer be available</li><li><strong>Broad compatibility:</strong> Parts cover major RV appliance brands including Dometic, Atwood, Suburban, Norcold, and Hydro Flame</li><li><strong>Quality assurance:</strong> Products are manufactured in compliance with applicable federal and state regulations</li><li><strong>One-year guarantee:</strong> All MC Enterprises parts are backed by a one-year guarantee from date of purchase</li><li><strong>Value pricing:</strong> Replacement parts are typically priced well below the original equipment manufacturer&apos;s cost</li></ul><p>Whether you&apos;re a full-time RVer, a weekend adventurer, or a professional RV technician, MC Enterprises provides the confidence of a quality replacement part with the convenience of broad model coverage across the most common RV appliance platforms.</p>

Part Number

521099MC
09/12/2036 8:27 AM
Sale Price

$88.59

In Stock (10+)

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Usually delivered within 2 days

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The MC 521099MC is an aftermarket ignition control board designed for Suburban RV furnaces. This 3G generation board performs all the functions necessary to turn the furnace on and keep it running safely and reliably.

How It Works:

Powered by 12V DC, this control board manages the complete ignition sequence. It sends signals to open the gas valve and emits a high output voltage that creates an ignition spark to light the burner. The board continuously monitors furnace operation to ensure safe, consistent heating performance.

Key Features:

  • Direct replacement for multiple Suburban furnace control boards
  • 12V DC operation for RV electrical systems
  • State-of-the-art, high-quality components
  • Compact design compared to previous models
  • Works with all Suburban 12V furnaces (excluding NT-45S models)

Replaces Suburban Part Numbers:

230483, 230587, 231328, 231427, 231741, 520741, 520820, 520871

Important Installation Note:

If the board you are replacing does not have fan control, you may need a separate wiring harness for proper installation.

Awesome experience

Have not installed yet but look like it is high quality.

As described good shipping time

easy

So far so good now just the waiting game for my part

I ordered a midpipe within 3-4 days of purchasing I received it it was in good condition but a couple of the welds on it were terrible and not even grinded off but other than that everything was good

Ordering process was very easy. Found what I needed quickly.

Always get the best price here

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