SKP SP1029 Spark Plug

SKP SP1029 Spark Plug for Nissan, Toyota, Subaru

SKP SP1029 is a spark plug built for secondary ignition service across a wide range of Nissan, Toyota, Subaru, and INFINITI applications. It combines a copper center electrode core with an iridium tip to support consistent ignition performance in vehicles such as the Nissan Altima, Toyota Corolla, and Subaru Forester.

Key Features

• Copper center electrode core material for stable conductivity
• Iridium center electrode tip material for durable spark delivery
• OE-style fitment coverage for many import and domestic applications
• Direct replacement option for common Nissan, Toyota, Subaru, and INFINITI spark plug applications
• Part number SP1029 for catalog and cross-reference lookup

Detailed Description

SKP SP1029 is engineered for vehicles that call for an iridium-tipped spark plug with a copper core electrode. That material combination supports reliable ignition response and helps maintain steady combustion characteristics in everyday driving. This part cross-references Autolite XP5683 for the same application. It is listed for a broad range of vehicles, including Fits 2007-2018 Nissan Altima, N/A; Fits 2009-2019 Toyota Corolla, N/A; and Fits 2011-2018 Subaru Forester, N/A. The SP1029 part number also appears in fitment for models such as the Nissan Rogue, Toyota Prius, and INFINITI Q50.

What This Spark Plug Helps Address

• Hard starting caused by worn ignition components
• Rough idle from degraded spark delivery
• Misfire conditions tied to aged plugs
• Reduced throttle response from inconsistent combustion
• Maintenance replacement for high-mileage ignition service

Installation Notes and Tips

Verify engine application, year, and plug gap before installation. Fitment notes vary by vehicle, including .043/1.1mm, .044/1.1mm, and .035/0.9mm gaps depending on the application. Confirm the correct gap specification for your exact vehicle before installing SP1029. Use proper spark plug service procedures, inspect ignition coils and boots during replacement, and follow the vehicle manufacturer’s torque specification.

Quality Assurance

SKP SP1029 is built to meet cataloged fitment requirements for the listed applications and is supported by interchange references for parts lookup and verification. Confirm compatibility against your VIN and engine code before ordering.