Genuine 99610516400 Engine Timing Chain Guide

Porsche Timing Chain Guide for Slack Side

This Genuine engine timing chain guide, part number 99610516400, is a direct-fit valve train component for Porsche flat-six applications. It is used on the slack side of the timing chain to help maintain proper chain control in supported Porsche 911, Boxster, and Cayman models.

Key Features

• Genuine OEM-quality engine timing chain guide
• Part number 99610516400
• Fits the slack side of the timing chain
• Direct application for Porsche 911, Boxster, and Cayman models
• Engine valve train component for cylinders 4-6

Fitment Details

• Fits 2003-2008 Porsche 911, N/A, Cylinders 4-6; Slack Side
• Fits 2004-2008 Porsche Boxster, N/A, Cylinders 4-6; Slack Side
• Fits 2006-2008 Porsche Cayman, N/A, Cylinders 4-6; Slack Side
• Fits 2003 Porsche Boxster, N/A, Cylinders 4-6; Slack Side

What This Part Helps Address

• Timing chain noise from a worn guide surface
• Chain movement on the slack side of the valvetrain
• Improper chain tracking in the timing system
• Wear-related service needs during engine repair

Installation Notes

Verify engine configuration and model year before installation. This timing chain guide is specified for cylinders 4-6 on the slack side, so match the part to the correct bank and chain position during service. For Porsche 911, Boxster, and Cayman timing work, inspect related chain components and sealing surfaces before reassembly.

Quality Assurance

Genuine parts are built to OE specifications for the listed Porsche applications. Part number 99610516400 is the reference to confirm the correct timing chain guide for your vehicle.