5.0 · 1 review
SKU: 4176

U-Groove Spark Plug: OE Performance, W31ESR-U

$3.49
FREE delivery
Description

ABOUT THIS PRODUCT

The U-Groove Spark Plug features a patented U-groove ground electrode design that enhances ignitability, allowing for leaner fuel mixtures and improved engine efficiency. Crafted with precision machine-rolled threads, it minimizes the risk of seizing or cross-threading in delicate aluminum heads, ensuring a secure and hassle-free installation. Built with a nickel center electrode tip and a flat seat type, this spark plug delivers reliable performance and durability, lasting twice as long as most conventional plugs - over 30,000 miles. Its wide compatibility range makes it suitable for thousands of applications, including classic and collector cars. Pre-fired for consistent operation, this spark plug is a dependable choice for maintaining optimal engine performance.

Product Features:
  • Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
  • Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Lasts twice as long as most conventional plugs
  • 100 percent pre-fired to assure reliable operation
  • U-Groove Conventional
Specifications
Brand
DENSO (1182)
SKU
4176
Product type
Automotive
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Returns Policy
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

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Customer Reviews

5.0

Based on 1 review

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Alex P. Verified Buyer
01/09/2025

Fast shipping too

Impressed with the quality for the price. Will be back for more.

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