INA ZT-91151 Engine Timing Chain Tensioner - Left

INA ZT-91151 Timing Chain Tensioner

INA ZT-91151 is an engine timing chain tensioner for the valve train and timing drive. It supports accurate chain control for consistent gear ratio transfer in the timing system, helping maintain reliable engine operation in the Infiniti applications listed below.

Key Features

• Engine timing chain tensioner for the timing drive
• INA repair solution for chain and belt drive components
• Supports correct gear ratios in the valve train system
• Built for reliable operation with low maintenance requirements
• Fits Infiniti M45, FX45, and Q45 applications with left-side placement
• Part number ZT-91151 for ordering and catalog lookup

Detailed Description

This INA timing chain tensioner is part of a repair-focused timing drive component line developed for dependable power transmission. It is used in the engine timing system to maintain proper chain tension and stable synchronization between rotating components. Compatible With 2003-2004 Infiniti M45, left; 2006-2010 Infiniti M45, left; 2003-2008 Infiniti FX45, left; and 2002-2006 Infiniti Q45, left. This part cross-references INA Global Number 551 0424 100 for the same application. The INA ZT-91151 is a direct-fit service part for the listed Infiniti models and positions.

Common Issues This Part May Address

• Timing chain slack or inconsistent chain tension
• Noise from the timing drive area
• Loss of precise valve timing control
• Wear-related timing system service needs
• Replacement during engine timing maintenance

Installation Notes and Tips

Verify engine code, model year, and left-side placement before installation. Inspect the timing chain, guides, and related valve train components during service so the full timing drive system is addressed at the same time. Follow the vehicle service manual for torque values and timing procedures.

Quality Assurance

INA supplies repair solutions for chain and belt drive components with an emphasis on correct gear ratios, dependable operation, and low maintenance costs. Part number ZT-91151 is cataloged for the Infiniti applications shown above.