INA ZG-91121 Engine Timing Chain Tensioner Guide

INA Timing Chain Guide for Mini Cooper

INA ZG-91121 is an engine timing chain tensioner guide built for select 2002-2008 Mini Cooper applications. It is made to OE-level material and hardness standards, with plastic formulated to match OEM PA66 and PA46 grade requirements.

Key Features

• Engine timing chain tensioner guide for valve train service
• OE-quality replacement from INA
• Plastic material engineered to OEM PA66 and PA46 grade standards
• Direct fitment for select Mini Cooper models
• Part number: ZG-91121

Detailed Description

This INA timing chain guide is designed for 2002-2008 Mini Cooper engines that use the listed guide configuration. It is a practical replacement for worn or damaged chain guide components in the valve train, helping restore proper chain routing and tensioner contact. The part number ZG-91121 is also referenced under INA global number 555 0005 100.

Compatible With 2002-2008 Mini Cooper timing chain guide applications, this component is suited for owners addressing timing system noise or guide wear on Mini Cooper models. This part cross-references 5550005100 for the same application.

What It Is Used For

• Replacing a cracked or worn timing chain guide
• Addressing timing chain rattle caused by guide wear
• Restoring proper chain alignment in the valve train
• Repairing timing system noise during engine operation
• Servicing Mini Cooper timing chain components during engine maintenance

Installation Notes and Tips

Verify engine code and existing guide style before ordering. Fitment includes 2002-2008 Mini Cooper, N/A, and 2002-2006 Mini Cooper, N/A, Arm. Inspect the timing chain, tensioner, and related wear surfaces during installation, and replace any damaged mating components as needed. Confirm the guide matches the original shape and mounting points before assembly.

Quality Assurance

INA states that its timing chain guides are built to meet or exceed OE quality and performance expectations, with plastic material matched to OEM PA66 and PA46 hardness requirements.