Part #: 3437

NGK 3437 Spark Plug

Standard Spark Plug
⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$11.28Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Standard Spark Plug
🚗Fitment: Kawasaki, KTM, Moto Guzzi, and Lamborghini, EN500C Vulcan 500 LTD, EX500 Ninja 500R, 660 Rally, V10 Centauro GT, V10 Centauro Sport, Diablo, and ZR550 Zephyr
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Ignition Performance for Lamborghini Diablo

The NGK Standard Spark Plug 3437 is engineered to deliver consistent ignition performance specifically for the Lamborghini Diablo. Designed with durable materials and precise specifications, this spark plug ensures optimal combustion and engine efficiency.

  • Resistance: 5000 ohms for stable electrical flow
  • Ground Electrode Tip and Configuration: Standard design for reliable spark delivery
  • Core Materials: Copper center electrode with nickel tip and nickel ground electrode core
  • Pre-Gap Size: .028 inches for accurate spark gap
  • Thread Diameter: 12.00 mm with .75 inch reach and flat seat type
  • Hex Size: 18 mm for easy installation and removal
  • Electrical Terminal Type: Stud for secure connection
  • Manufacturer Heat Range: 9, suitable for high-performance engines
  • Insulator Height: 50.00 mm for proper insulation and heat dissipation

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line offers dependable ignition components designed to meet OEM specifications. The Standard Spark Plug 3437 provides a balance of durability and performance, making it suitable for secondary ignition systems in vehicles like the Lamborghini Diablo. This line focuses on consistent spark delivery and compatibility with a wide range of engine types.

Technical Details and Application

The NGK 3437 spark plug features a copper core center electrode with a nickel tip, enhancing conductivity and wear resistance. The single ground electrode with a standard tip design ensures a stable spark path. With a resistance of 5000 ohms, it helps reduce electrical noise and interference. The flat seat and 12 mm thread diameter provide a secure fit in the combustion chamber, while the heat range of 9 supports the thermal demands of the Lamborghini Diablo's engine.

Common Issues Addressed by NGK 3437 Spark Plug

  • Misfiring or rough idling due to worn or faulty spark plugs
  • Reduced fuel efficiency caused by incomplete combustion
  • Difficulty starting the engine in cold conditions
  • Engine hesitation or loss of power under acceleration
  • Excessive exhaust emissions from poor ignition

Installation Notes and Tips

Before installation, verify the spark plug gap is set to .028 inches to ensure proper ignition. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specification to avoid damage. The 18 mm hex size allows for standard spark plug socket compatibility. Inspect the spark plug threads and combustion chamber for debris before installation to ensure a clean fit.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Standard Spark Plug 3437 undergoes rigorous testing for electrical resistance and heat tolerance. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support long-term use in vehicles like the Lamborghini Diablo.

BrandNGK
Part Number3437
PositionStandard Spark Plug
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel
Electrical Terminal TypeStud
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignStandard
Hex Size18
Insulator Height50.00
Manufacturer Heat Range9
Part NumberDR9EA
Pre-Gap Size.028
Reach.75
Resistance5000
Seat TypeFlat
Stock Number3437
Thread Diameter12.00

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1996LamborghiniDiablo5.7LV12N/A0.032" Gap; OE Equivalent Design; Standard Spark Plug
1995LamborghiniDiablo5.7LV12N/A0.032" Gap; OE Equivalent Design; Standard Spark Plug
1994LamborghiniDiablo5.7LV12N/A0.032" Gap; OE Equivalent Design; Standard Spark Plug
1993LamborghiniDiablo5.7LV12N/A0.032" Gap; OE Equivalent Design; Standard Spark Plug
1992LamborghiniDiablo5.7LV12N/A0.032" Gap; OE Equivalent Design; Standard Spark Plug

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

09482-004003437411677007701777092070-118994701-0034094703-00340RAX92CX27ESR-UX3CP0

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.