Heating and Cooling› Heaters

SUBURBAN MFG

SUBURBAN 12V DC 3G FAN CONTROL BOARD

$124.97

SKU: S09E 521099

In Stock
In Stock
Ships by Nov 18
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Suburban 521099 is an OEM furnace igniter control board designed for 12V DC systems. This control board is the central component of your furnace, responsible for signaling the gas valve, generating the ignition spark, and managing safety sequences. It is compatible with a wide range of Suburban furnace series, including DD-17DSI, NT, SF, SFV, SH, and SHD2542.

This board serves as a direct replacement for nine legacy Suburban part numbers, simplifying the process of finding a compatible part. Its compact dimensions of 4-1/2" × 2-5/8" allow for straightforward installation within the furnace unit.
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SUBURBAN 12V DC 3G FAN CONTROL BOARD

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSUBURBAN MFG
Part NumberS09E 521099

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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