Walker 900-P2049 Coil Boot

Walker ThunderCore-Ultra Coil Boot for Nissan and INFINITI

Walker ThunderCore-Ultra coil boot part number 900-P2049 is a direct-fit ignition hardware component for select Nissan and INFINITI applications. It is used in the ignition system to maintain a secure connection between the coil and spark plug area on covered applications.

Key Features

• Walker ThunderCore-Ultra product line
• Coil boot for ignition hardware service
• Fits select Nissan Frontier, Pathfinder, Xterra, Quest, Maxima, Murano, 350Z, Altima, TITAN, NV1500, NV2500, and NV3500 applications
• Also fits select INFINITI FX35, M35, G35, I35, QX4, and QX4 late-production applications
• Part number 900-P2049 for application matching

Detailed Description

Walker 900-P2049 is part of the ThunderCore-Ultra line, built for ignition service on specific Nissan and INFINITI vehicles. This coil boot is listed for model-year coverage from 2001 through 2014, with fitment varying by vehicle and engine application. Use it when replacing a worn or damaged coil boot on vehicles such as the Nissan Altima, Nissan Maxima, and INFINITI G35.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Cracked or deteriorated coil boot material
• Misfire concerns related to ignition boot wear
• Weak coil-to-plug connection on covered applications
• Ignition service needs on Nissan and INFINITI V6 platforms

Installation Notes and Tips

Verify the vehicle year, make, model, and ignition configuration before ordering. Fitment is application-specific and includes notes such as ThunderCore-Ultra and a late-production QX4 listing from 7/2001. Match the part number 900-P2049 to the vehicle’s ignition setup before installation.

Quality Assurance

Walker ThunderCore-Ultra parts are cataloged for specific vehicle applications and should be selected by exact fitment data to support proper ignition service.