Spark Plug, 5/8" Hex Sz, 0.393" Thread MPN:6535
Spark Plug, 5/8" Hex Sz, 0.393" Thread
Upgrade your engine's performance with the NGK Spark Plug, designed for commercial and industrial applications, as well as lawn and garden, marine, and heavy-duty use. Its 5/8in hex size and 0.393in thread size provide a secure fit, while the ceramic insulator and nickel core ground electrode ensure reliable ignition and long-lasting durability. The resistor plug design helps to prevent fouling and improve fuel efficiency. With a heat range of 5 and a flat seat type, this spark plug is perfect for high-performance engines, reducing emissions and increasing power output. Trust NGK for superior quality and performance.
Top product features:
- Has a resistor plug to reduce spark energy and prevent fouling
- Has a ceramic insulator for durability and heat resistance
- Has a nickel core ground electrode for improved spark quality
Top product applications:
- Commercial and Industrial
- Lawn and Garden
- Marine
Spark Plug, Application Commercial and Industrial, Lawn and Garden, Marine, Hex Size 5/8 in, Thread Size 0.393 in, Thread Reach 0.5 in, Ground Electrode Quantity 1, Ground Electrode Tip Design Standard, Gap Size 0.028 in, Resistor Plug Yes, Hex Size - Metric 15.88 mm, Thread Reach - Metric 12.7 mm, Insulator Material Ceramic, Manufacturer Heat Range 5, Seat Type Flat, Center Electrode Diameter 0.098 in, Ground Electrode Material Nickel Core, Center Electrode Material Nickel
Additional Information
- Country of Origin: JP
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 4
- Unit of Measure: EA
- Package Length: 3.07
- Package Width: 0.85
- Package Height: 0.74
- Package Weight: 0.07
Product info last updated on February 5, 2026 1:27am UTC
Category: Automotive Engine, Exhaust and Ignition