Ignitions and Electrical› Ignition Components

Atkins Rotary

Rotary Ignition Coil

$125.88

SKU: N3H1-18-100B-9U

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
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Easy — 1–2 hours

Overview

The Atkins Rotary ignition coil is a replacement component for the Mazda RX-8. It is designed for use in 2004-2011 models and replaces several other part numbers, including n3h118100, n3h1181009u, n3h118100a, n3h118100a9u, n3h118100b, and n3h118100c. This 12V component is essential for the vehicle's ignition system.
Show original supplier description
The Atkins Rotary ignition coil is a direct replacement part specifically designed for the 2004-2011 Mazda RX-8. This 12-volt component is engineered to ensure reliable ignition performance, replacing Mazda part numbers N3H118100, N3H1181009U, N3H118100A, N3H118100A9U, N3H118100B, and N3H118100C. As a critical part of the ignition system, this coil helps deliver the spark needed for combustion in the rotary engine. This ignition coil is a direct fit for the specified Mazda RX-8 model years, ensuring ease of installation for DIY enthusiasts and professional mechanics alike. While specific technical specifications beyond its voltage and replacement capabilities are not detailed, its function is to generate the high-voltage electrical pulse required to ignite the air-fuel mixture within the engine's cylinders. Ensuring proper spark delivery is crucial for optimal engine performance, fuel efficiency, and emissions control.

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

BrandAtkins Rotary
Part NumberN3H1-18-100B-9U
CategoryIgnitions and Electrical

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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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