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Ignitions and Electrical› Ignition Components
Autolite
SINGLE XTREME PERF SPK PLG
SKU: A035 XP53251
Easy — 1–2 hours
Overview
This copper core spark plug is constructed with a cold-formed steel shell, precision-rolled threads, and a full copper core electrode for enhanced performance. It utilizes a copper-glass seal to bond the insulator and center electrode, ensuring a gas-tight seal and full voltage at the spark gap. Autolite offers an extensive application guide for this product, making it suitable for many internal combustion engines to maintain smooth and reliable operation.
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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
| Brand | Autolite |
| Part Number | A035 XP53251 |
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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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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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