INA ZG-71178 Engine Timing Chain Guide - Upper

INA Timing Chain Guide for Mazda Applications

INA ZG-71178 is an upper engine timing chain guide for select Mazda vehicles. It is built to meet or exceed OE quality and performance, with plastic material formulated to match OEM PA66 and PA46 grade requirements for hardness and durability.

Key Features

• Upper engine timing chain guide
• OE-style replacement from INA
• Plastic construction matched to OEM PA66 and PA46 grade standards
• Designed for precise timing chain guidance in the valve train
• Cross-references INA Global Number 552 0479 100
• Part number: ZG-71178

Detailed Description

This INA timing chain guide is made for Mazda 3, Mazda 6, CX-5, and CX-9 applications that use an upper guide in the engine timing system. The guide helps maintain proper chain routing and contact control inside the valve train, supporting consistent timing chain operation. If you are replacing a worn or damaged upper guide on a Mazda 3, Mazda 6, CX-5, or CX-9, INA ZG-71178 provides a direct-fit service part for the listed applications.

This part cross-references INA Global Number 552 0479 100 for the same application.

What It Helps Address

• Timing chain noise from a worn upper guide
• Chain misalignment in the timing system
• Plastic guide wear or surface damage
• Valve train timing instability caused by guide deterioration
• Service replacement for a damaged Mazda timing chain guide

Installation Notes and Tips

• Verify engine code and timing system configuration before ordering.
• Inspect the timing chain, tensioner, and related guides during service.
• Follow factory timing procedures and torque specifications during installation.
• Replace the guide only with the correct upper-position part for the listed vehicle.

Quality Assurance

INA states this timing chain guide is engineered to meet or exceed OE quality and performance standards. The guide material is matched to OEM PA66 and PA46 grade requirements for hardness, supporting consistent fit and function in the specified Mazda applications.