NGK 4095 Spark Plug

NGK Laser Iridium Spark Plug 4095 Overview

NGK Laser Iridium Spark Plug 4095 is built for precise ignition performance in a wide range of import and domestic applications. This NGK spark plug uses an iridium center electrode, nickel ground electrode, and a 0.044-inch pre-gap for dependable spark delivery and consistent combustion.

The Laser Iridium line focuses on OE-style fit and stable operation, backed by NGK’s long history as an original equipment supplier. Part number 4095, also identified as IZFR6F11, is a direct replacement option for drivers servicing vehicles such as the Acura TL, Jeep Grand Cherokee, and Dodge Ram 1500.

Key Features

• Laser Iridium spark plug with iridium center electrode tip material
• Copper center electrode core and nickel ground electrode core
• 0.044-inch pre-gap for specified applications
• 5,000 ohm resistance for ignition system compatibility
• 14 mm thread diameter, 0.75-inch reach, and flat seat design
• 5/8-inch hex size with non-removable nut terminal
• NGK part number 4095 / IZFR6F11

Product Details

NGK 4095 is engineered as a Laser Iridium spark plug for vehicles that call for a 14 mm, flat-seat plug with a 0.75-inch reach. The iridium tip supports stable spark characteristics, while the standard ground configuration and nickel ground electrode follow OE-style construction. This makes it a practical choice for maintenance on vehicles that specify this plug design, including Acura CL and TL, Jeep Grand Cherokee, and Dodge Durango applications.

NGK’s manufacturing background as a major OE supplier in North America adds confidence for buyers looking for a replacement spark plug that follows original equipment standards. This part cross-references AMS Automotive 4095 and 4508 for the same application.

Vehicle Fitment

• Fits 2009-2011 Chevrolet Aveo, N/A; spark plug with a gap of 0.036 inches; Laser Iridium Spark Plug
• Fits 2009-2011 Chevrolet Aveo5, N/A; spark plug with a gap of 0.036 inches; Laser Iridium Spark Plug
• Fits 2009 Pontiac G3, N/A; spark plug with a gap of 0.036 inches; Laser Iridium Spark Plug
• Fits 2002-2004 Jeep Grand Cherokee, N/A; adjust spark plug gap to 0.044 inches; Laser Iridium Spark Plug
• Fits 1999 Jeep Grand Cherokee, N/A; adjust spark plug gap to 0.044 inches; Laser Iridium Spark Plug
• Fits 2001-2003 Acura CL, N/A; adjust spark plug gap to 0.044 inches; Laser Iridium Spark Plug
• Fits 2002-2003 Acura TL, N/A; adjust spark plug gap to 0.044 inches; Laser Iridium Spark Plug
• Fits 2000-2002 Dodge Durango, N/A; adjust spark plug gap to 0.044 inches; Laser Iridium Spark Plug
• Fits 2002 Dodge Ram 1500, N/A; adjust spark plug gap to 0.044 inches; Laser Iridium Spark Plug
• Fits 1999-2000 Dodge Ram 2500 Van, N/A; set spark plug gap to 0.040 inches; Laser Iridium Spark Plug
• Fits 1999-2000 Dodge Ram 3500 Van, N/A; set spark plug gap to 0.040 inches; Laser Iridium Spark Plug
• Fits 1998 Dodge B2500, N/A; set spark plug gap to 0.040 inches; Laser Iridium Spark Plug
• Fits 1998 Dodge B3500, N/A; set spark plug gap to 0.040 inches; Laser Iridium Spark Plug

Common Issues This Part Can Address

• Misfire caused by worn or fouled spark plugs
• Hard starting from weak ignition output
• Rough idle linked to inconsistent spark delivery
• Reduced fuel economy from degraded plug performance
• Loss of throttle response due to aging ignition components

Installation Notes

Verify the specified gap for your exact application before installation; listed fitments call for either 0.036, 0.040, or 0.044 inches depending on vehicle. Confirm thread diameter, reach, seat type, and terminal style match the original plug before service. Use proper spark plug removal and installation procedures to avoid thread damage and ensure correct torque.

Quality Assurance

NGK is a long-established OE supplier with broad coverage across automotive, motorcycle, marine, and small engine applications. Part number 4095 is manufactured to support original equipment standards for durability and consistent ignition performance.