NGK 4339

Product Details Attribute

NGK standard plugs are constructed for long life and optimum performance. NGK Spark Plugs are at the heart of smooth-running engines around the world.

Features & Benefits:

Triple-Gasket Sealing Process
Corrugated ribs to prevent flashover
High dielectric strength
Proper heat transfer
Consistent Performance

This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.

Which NGK Spark Plug Is Right For You?

Material / Series	Lifespan / Durability	Performance / Ignitability	Efficiency / Fuel Economy
Copper / Nickel V-Power	★	★	★
Platinum G-Power	★★	★★★★	★
Double Platinum Laser	★★★★★	★★	★★
Iridium IX	★★★	★★★★★	★★
Iridium Laser	★★★★★★	★★★★	★★★
Ruthenium HX	★★★★★★★	★★★★★	★★★★

Videos

Check, Set & Adjust Spark Plug Gaps

Alternate/OEM Part Number(s)

{Alternate Inventory Numbers: DCPR8E}OEM / Interchange Numbers: 0046481273, 0046484273, 0948200450, 1A0618110, 22401KA310, 313253225, 4162, 46481273, 46484273, 5663, 59039093100, 61039093000, 67040351A, 67040351B, HD10R12, HD10R12A, M152222

Warranty Information

Warranty Information:60 Days

CAPA CERTIFIED or NSF CERTIFIED

CAPA Certified or NSF Certified parts bear the seal of independent, third party organizations guaranteeing fitment and quality equal to original equipment. These parts may be required if your insurance company is paying for the repair.

Specifications
Center Electrode Core Material	Copper
Center Electrode Tip Material	Nickel
Ground Configuration	Standard
Ground Electrode Core Material	Nickel
Ground Electrode Quantity	1
Ground Electrode Tip Design	Standard
Manufacturer Heat Range	8
Seat Type	Flat
Electrical Terminal Type	Removable Nut
Hex Size (IN)	5/8
Reach (IN)	.75
Thread Diameter (MM)	12.00
Gap Size (IN)	.028
Insulator Height (mm)	50.00
Part Number	DCPR8E
Resistance (ohms)	5000
Stock Number	4339