INA ZT00071 Engine Timing Chain Tensioner - Left

INA ZT00071 Engine Timing Chain Tensioner for Porsche 911

The INA ZT00071 is an engine timing chain tensioner for select Porsche 911 applications. It is built for the timing drive, where accurate chain control helps maintain proper gear ratio transfer and consistent engine operation.

Key Features

• Engine timing chain tensioner for valve train service
• Fits 1989-1993 Porsche 911, left
• INA Global Number 551 0007 100
• OE-style repair solution for chain and belt drive components
• Supports reliable timing drive operation with low maintenance requirements

Product Details

INA ZT00071 is a timing chain tensioner developed for the left-side application on 1989-1993 Porsche 911 models. It is part of INA’s repair-focused timing drive component range, which addresses chain and belt drive service needs with components engineered for correct gear ratio transfer and dependable operation. This part cross-references Porsche 964 105 079 00 and 5510007100 for the same application.

For Porsche 911 owners servicing the valve train, the INA ZT00071 provides a direct-fit timing drive component for the specified years and position. The part number ZT00071 is also identified by INA Global Number 551 0007 100.

Common Issues This Part May Address

• Timing chain slack at the left-side tensioner location
• Noise from worn timing drive components
• Inconsistent chain control affecting valve timing stability
• Service replacement for aging Porsche 911 timing hardware

Installation Notes and Tips

Verify engine side and application before installation. On 1989-1993 Porsche 911 models, this tensioner is specified for the left position only. Inspect the timing drive system for wear, contamination, and related component damage during service, and confirm part number ZT00071 matches the vehicle application before assembly.

Quality Assurance

INA supplies repair solutions for chain and belt drive systems with an emphasis on correct gear ratios, reliable operation, and reduced maintenance needs. The ZT00071 follows that product approach for the specified Porsche 911 timing drive application.