Ignitions and Electrical Ignition Components

Denso

SPARK PLUG

$3.63

SKU: D00A 5040

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Denso 5040 Standard Spark Plug is engineered with precision to enhance engine performance. Featuring an innovative U-Groove design, this spark plug offers superior ignitability, promoting optimal engine combustion for increased fuel efficiency and smoother rides. It is ideal for both DIY enthusiasts and professional mechanics and is a perfect match for Ford Taurus and Jaguar models including XJ12, XJRS, and XJS. This spark plug meets OE standards and is compatible with parts such as T22EP-U and EBC4021.
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SPARK PLUG

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

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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

BrandDenso
Part NumberD00A 5040

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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.

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