Core Replacements

Shop OEM RV Furnace Core Replacements for Suburban Models

Keep your RV warm and functional with our selection of high-quality RV furnace core replacements. Designed specifically for Suburban models like the NT, SF, and Park Series, these direct-fit components are essential for maintaining efficient heating during travel or full-time RV living. Whether you're replacing a worn unit or upgrading for better performance, find the exact core for your furnace model, including the popular SF-20FQ, NT-30SP, and P-40 park model systems.

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  • Suburban SF-20Q 20,000 BTU Furnace Replacement Core
    Item #: 98847
    $482.99
    5+ In Stock
  • Suburban NT-SEQ Series Furnace Core For NT-16 SEQ & NT-20 SEQ Models
    Item #: 97982
    $482.98
    5+ In Stock
  • Suburban NT-SQ Series Furnace Core Replacement For NT-16 SQ & NT-20 SQ Models
    Item #: 97983
    $539.98
    In Stock
  • Suburban NT Series Furnace Core Replacement For NT-30SP & NT-34SP Models
    Item #: 97984
    $769.98
    5+ In Stock
  • Suburban NT Series Furnace Core Replacement For NT-40 Models
    Item #: 97985
    $892.48
    5+ In Stock
  • Suburban Park Model Series Furnace Core Replacement For P-40 (Park Model)
    Item #: 97986
    $1,039.49
    5+ In Stock
  • Suburban SF-Q Series Furnace Core Replacement For SF-25Q & SF-30Q Models
    Item #: 97990
    $514.46
    5+ In Stock
  • Suburban SF-FQ Series Furnace Core Replacement For SF-25FQ & SF-30FQ Models
  • Suburban SF-Q Series Furnace Core Replacement For SF-35Q & SF-42Q Models
    Item #: 97992
    $607.52
    5+ In Stock
  • Suburban SF-FQ Series Furnace Core Replacement For SF-35FQ & SF-42FQ Models
  • Suburban Furnace Core
    Item #: 100676
    $524.98
    5+ In Stock

11 Items

Why Choose Suburban RV Furnace Core Replacements?

Suburban is a trusted name in RV heating systems, and our selection of furnace core replacements ensures compatibility, reliability, and ease of installation. Ideal for RVers experiencing heating failures or inconsistent warmth, these core units bring new life to your existing furnace setup. Whether you're outfitting a motorhome, travel trailer, or park model RV, we have the exact fit for models like SF-25Q, SF-35FQ, and NT-16 SEQ.

Frequently Asked Questions

What is an RV furnace core replacement?

An RV furnace core replacement is the internal heating element of your RV’s furnace unit. It’s the main component responsible for generating heat and is often replaced when the furnace fails to produce sufficient warmth.

How do I know which furnace core fits my Suburban model?

Each replacement core is designed for specific Suburban furnace models, such as SF-20FQ, NT-30SP, or P-40. You can find the model number on your furnace’s data label to ensure compatibility.

What are the signs that I need to replace my RV furnace core?

Common signs include weak or no heat output, strange smells, inconsistent performance, or visible corrosion on the old core. A certified technician can help diagnose the issue if you're unsure.

Can I install a furnace core replacement myself?

While some RV owners with mechanical experience choose to install it themselves, we recommend professional installation to ensure proper safety and performance, especially with gas components involved.

Are these Suburban core replacements OEM parts?

Yes, most of the furnace cores we carry are OEM or direct-fit equivalents for Suburban models, ensuring reliable performance and adherence to original manufacturer specifications.

Do I need any additional parts to replace my furnace core?

In most cases, the replacement core is all you need. However, it's a good time to inspect or replace related components like thermostats, igniters, or limit switches if wear is evident.

Do you carry furnace cores for older Suburban models?

Yes, we offer core replacements for a wide range of older and current Suburban models, including legacy series like NT-16 SQ and newer models like SF-42FQ.

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