NGK 93501 LKAR7BIX-11S Iridium IX Spark Plug Cross Reference

The NGK 93501 LKAR7BIX-11S Iridium IX spark plug has several key specifications and features that make it suited for high-performance engines. This spark plug has a copper core electrode and an iridium tip material, ensuring high durability and a stable spark. Its electrical terminal type is a non-removable nut with a gap size of 0.043 inches.

The spark plug has a standard ground configuration with one ground electrode featuring a taper-cut design. Other specifications include a hex size of 14mm, an insulator height of 51.00mm, and a thread diameter of 12.00mm.

The Iridium IX spark plugs are designed for improved throttle response, superior anti-fouling, and high ignitability. The high melting point of iridium is particularly suitable for today’s high-temperature engines, promising outstanding acceleration, fuel efficiency, and durability.

ShellGasket seat type
Thread Diameter12mm
Thread Pitch1.25mm
Reach26.5mm (1.04″)
Hex Size9/16″ (14mm)
Terminal TypeSolid
Gap.043″ (1.1mm)
Center Electrode MaterialIridium
Center Electrode TypeFine Wire
Center Electrode Size0.6mm
Center Electrode ProjectionProjected
Ground Electrode MaterialNickel
Ground Electrode TypeStandard
Ground Electrode ShapeTaper Cut
Heat Range7
Longevity50k miles

NGK 93501 LKAR7BIX-11S Cross Reference Chart

Renowned for their adaptability, NGK spark plugs, like the 93501 LKAR7BIX-11S, are also appreciated for their interchangeability with other prominent brands. As an example, this NGK spark plug stands as an alternative to specific Autolite and Omnicraft models, as indicated below:

BrandPart number

Need more cross-references on NGK spark plugs? Check this page.

With the cross-reference information readily accessible, you’re well-placed to make a knowledgeable decision that caters to the specific needs of your vehicle’s engine. While other brands may offer suitable alternatives, the remarkable characteristics of the NGK 93501 LKAR7BIX-11S make it a highly recommended choice for those seeking unmatched engine performance.

Autolite XP5682 and XP5683: How do They Stack Up?

In our analysis of cross-referenced items, we find that both the Autolite XP5682 and XP5683 serve as potential alternatives to the NGK 93501. The table below elucidates their respective features and how they compare to NGK’s offering:

FeatureNGK 93501 (LKAR7BIX-11S)Autolite XP5682Autolite XP5683
Tip MaterialIridium (0.6mm)IridiumIridium
Ground Electrode DesignTaper CutTaper CutTaper Cut
Core Material98% Pure CopperCopper-AlloyCopper-Alloy
Metal PlatingTrivalentFull-Plated ShellFull-Plated Shell

It’s evident from the table that the Autolite models share some features similar to the NGK spark plug. Yet, nuanced differences in design and materials could impact engine performance and longevity.

Omnicraft QSP7: A Competitor’s Alternative

The Omnicraft QSP7 is recognized for its compatibility with the NGK line, strengthening its position as a viable substitute. Below are the characteristics they share:

In both the NGK 93501 and the Omnicraft QSP7, we find a dedication to durability and performance. This intersection of qualities solidifies the role of the QSP7 as a capable alternative.

NGK 93501 (LKAR7BIX-11S)Omnicraft QSP7
Iridium TipIridium Alloy Tip
Taper Cut Ground ElectrodeTaper Cut Electrode
Solid Copper CoreCopper-Alloy Core
Trivalent Metal PlatingCorrosion-Resistant Metal Plating

The parallels drawn in the table above suggest that the Omnicraft QSP7 bears features conducive to a high-performance spark plug setup. Although similar, each option may behave differently under various engine conditions.

Deciphering the Cross Reference Terminology

Navigating through NGK spark plug cross-reference chart can be daunting without understanding key terminologies. Let’s clarify a few of these critical aspects:

  • Hex Size: The socket size required to install or remove the spark plug. Compatibility in this area ensures a proper fit within your engine’s cylinder head.
  • Heat Range: Indicates the ability of the spark plug to dissipate heat from its tip. Selecting the correct heat range is essential for preventing overheating or fouling.
  • Seat Type: The spark plug’s sealing surface with the cylinder head. It must match to avoid compression leaks.
  • Reach: The length of the threads on the spark plug. The reach must be adequate to avoid engine or spark plug damage.

Installing and Maintaining Your NGK 93501 Iridium IX Spark Plug

Proper installation and upkeep are critical to the performance and lifespan of your NGK 93501 Iridium IX Spark Plugs. When it comes to installing NGK 93501, you must adhere to the torque specifications as recommended by your vehicle’s manufacturer or NGK’s guidelines.

The correct torque on NGK IX Iridium Spark Plugs 93501 ensures a secure fit without damaging the spark plug or the engine cylinder head. This precise installation prevents potential engine misfires and maximizes the efficacy of the spark plugs.

Regular inspections are essential to maintain NGK Iridium IX Spark Plugs. This means periodically checking the NGK 93501 LKAR7BIX-11S cross reference for the pre-gap size, as adjustments may be required to maintain the ideal gap for a flawless spark. Maintenance also entails looking out for any signs of wear or fouling, which can affect the plug’s ability to ignite the air-fuel mixture effectively.

By keeping these spark plugs well-maintained, you preserve the benefits, including improved acceleration, better fuel efficiency, and extended durability- all aspects for which NGK is renowned.

We understand the importance of detail in the care of high-performance components. Our recommendations for the ongoing care of your NGK 93501 Iridium IX Spark Plugs are crafted with years of expertise in the automotive industry. Trust that by following these guidelines, your vehicle’s engine will continue to perform at its peak, maintaining the exceptional standards that NGK has set for its products.

Prioritize regular assessment and prudent handling during installation, and you’ll find that these spark plugs indeed live up to their reputation for consistent performance and reliability.


What is the NGK 93501 LKAR7BIX-11S Iridium IX Spark Plug?

The NGK 93501 LKAR7BIX-11S Iridium IX Spark Plug is a high-performance spark plug that features an iridium alloy center electrode and a tapered cut ground electrode, designed for better acceleration, fuel efficiency, and durability when compared to standard nickel alloy spark plugs.

Are there any equivalent spark plugs to the NGK 93501?

Yes, there are equivalents to the NGK 93501, such as the Autolite XP5682 and XP5683 and the Omnicraft QSP7, which can serve as suitable alternatives for various engine requirements.

How does the NGK 93501 compare to the Autolite XP5682 and XP5683 models?

The NGK 93501 is designed to be compatible and is a cross-reference to both Autolite XP5682 and XP5683 models. These are all high-performance spark plugs with similar characteristics aimed at enhancing engine performance.

What should I consider when cross-referencing spark plugs like the NGK 93501?

When cross-referencing spark plugs, important factors to consider include the hex size, heat range, seat type, reach, and more. These specifications must align with the engine’s requirements to ensure proper functionality and compatibility.

What maintenance is required for the NGK 93501 Iridium IX Spark Plugs?

Regular inspection and maintenance of the NGK 93501 Iridium IX Spark Plugs include checking and possibly adjusting the pre-gap size and ensuring proper torque during installation. This routine care extends the plugs’ service life and maintains the engine performance benefits they provide.

The recommended torque for installing NGK IX Iridium Spark Plugs 93501 can vary based on the specific vehicle’s manufacturer recommendations. NGK also provides guidelines for the proper torque settings, which should be adhered to during installation.

How do I know if the NGK 93501 is the right spark plug for my vehicle?

To determine if the NGK 93501 is the right spark plug for your vehicle, you should consult your vehicle’s owner’s manual or the NGK spark plug cross reference guide to match the plug’s specifications with your engine’s requirements.

Where can I find a cross-reference chart for the NGK 93501?

A cross-reference chart for the NGK 93501 can be found on NGK’s official website or through various automotive parts suppliers’ catalogs and websites that provide detailed compatibility listings for the spark plug.

Can I use the NGK 93501 in modified or high-performance engines?

Yes, the NGK 93501 Iridium IX Spark Plug is recommended for use in modified or high-performance engines due to its advanced design that provides improved ignition and performance under demanding conditions.

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