Ignitions and Electrical› Ignition Components

NGK

Ignition Coil Rail

$50.00

SKU: U6003

Special Order
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The NGK U6003 is an ignition coil rail designed to supply high voltage to multiple spark plugs. This coil typically connects directly to the spark plugs, eliminating the need for ignition cables, though exceptions exist. The product features a 5-pin connector with SAE connector type and has 4 inlets/outlets.

NGK is a leading aftermarket brand known for its OE quality ignition components. Their extensive range offers over 300 part numbers, ensuring high coverage for many vehicle makes and models.
Show original supplier description
The NGK U6003 is an ignition coil rail that supplies high voltage to multiple spark plugs. This component features a 5-pin connector with an SAE type and is capable of feeding four ignition outputs. NGK is recognized globally as a specialist in ignition and sensor technology, leveraging over 80 years of experience. The company is a leading OE supplier for car spark plugs, glow plugs, and various sensors. The U6003 ignition coil benefits from NGK's commitment to OE quality, providing a product backed by a trusted aftermarket name. Key specifications for the U6003 include 4 inlets/outlets and 5 pins, with an SAE connector type. It is recommended to consult the NGK Coil Pack Application Guide or the NGK Part Finder website to confirm specific vehicle compatibility before purchasing, as exceptions to the direct-to-plug design can occur. The brand also emphasizes the importance of proper installation, noting that important information may be included in the product packaging. Buyers should also be aware of the return policy, which may restrict returns if the sealed plastic packaging is opened due to the nature of the product.

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

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandNGK
Part NumberU6003
CategoryIgnitions and Electrical
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy