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Iridium IX Spark Plug 14mm x 3/8" Reach

Name: Iridium IX Spark Plug 14mm x 3/8" Reach
Brand: NGK SPARK PLUGS
SKU: 739-XR4IX
Price: 7.78 USD
Availability: InStock

^$7⁷⁸

1 left in stock

Ships on Nov 02, 2026

Lowest Price Guarantee

Extra Hot Heat Range

14mm x 3/8" Reach
13/16" Hex
Projected
Gasket seat
Sold Individually

The Plug for Serious Enthusiasts

Iridium has a very high melting point that's perfect for high-performance, high-tech engines. It is stronger than any other metal used in spark plugs.

Part TypeSpark Plug

Product LineNGK Iridium IX Spark Plugs

BrandNGK SPARK PLUGS

Package Height1.0

Package Width1.0

Package Length4.0

Weight0.1 PG

Part CategoryReplacement Parts

Part FitmentDirect Fit

Vendor Part Number7139

Package Qty1

Package TypeEA

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