Often specified as original equipment, NGK spark plugs offer the best combination of performance and longevity. We deliver the quality, reliability, and durability you expect from OEM manufacturers. Please research the application before purchasing to ensure this part will fit your vehicle, including engine, trim level, and quantity required. This listing is for 8 3403 TR55 spark plugs.

NGK TR55GP G-Power spark plug (3403). With copper core. Iridium Long Life Plug - Patented Iridium alloy plug (90% Ir) with platinum ground strap. NGK's Platinum Spark Plugs are designed to improve fuel economy, reduce emissions and provide faster starts. Maintains durability even under high temperatures. With a 0.6 mm platinum alloy tip laser welded to the center electrode, platinum spark plugs provide maximum spark with minimum voltage, ensuring precise gapping during plug life.


Manufacturer: ‎NGK
Brand: ‎NGK (NGK)
Product size: ‎8.41 x 2.39 x 16.87 cm; 326.59 g
Product model number: ‎TR55GP
Discontinued by the manufacturer: ‎No
Product dimensions: Depth x Width x Height: 8.4 x 2.4 x 16.9 cm
Product weight: 327 g