INA ZT0025 Engine Timing Chain Tensioner Piston

Timing Drive Repair Solution

The INA ZT0025 engine timing chain tensioner piston is a timing drive repair component for select Volkswagen and Audi applications. It is built for correct gear ratio control in the valve train and supports reliable power transmission with low maintenance requirements.

Fits 2001-2018 Volkswagen Passat, Volkswagen CC, Volkswagen Touareg, Audi Q7, Volkswagen Passat CC, Audi A3 Quattro, Audi TT Quattro, Volkswagen Eos, Volkswagen R32, Volkswagen Golf, Volkswagen Jetta, and Volkswagen EuroVan, with application-specific notes listed in the fitment data. The INA ZT0025 is identified by INA Global Number 551 0025 100.

Key Features

• Engine timing chain tensioner piston for timing drive service
• Supports accurate timing drive operation and gear ratio control
• Repair-solution component for chain and belt drive systems
• Designed for select Volkswagen and Audi valve train applications
• INA Global Number 551 0025 100

Detailed Description

INA ZT0025 is a valve train timing drive component used in repair applications where chain or belt drive performance must be restored. The part is intended to maintain proper timing drive function so the engine can keep the correct relationship between rotating components. This makes it a relevant choice for Volkswagen Passat, Volkswagen Touareg, and Audi Q7 timing service, as well as other listed Volkswagen and Audi models.

As part of INA's timing drive repair solutions, this component is supplied as a focused replacement for chain and belt drive systems rather than a general-purpose accessory. The ZT0025 part number is also referenced by cross-number applications, including Febi-Bilstein 32786 and OE-style references 066 109 507 and 5510025100.

What It Is Used For

• Restoring timing drive tension control
• Addressing timing chain service wear
• Correcting valve train timing irregularities
• Replacing a worn timing drive repair component
• Supporting stable engine timing operation

Installation Notes and Tips

Verify engine code, model year, and fitment notes before ordering. This part is listed with N/A position data, so application matching should follow the vehicle-specific fitment table rather than a mounting position. Professional timing service procedures should be followed during installation to maintain correct engine timing.

Quality Assurance

INA positions this part within its timing drive repair solutions for chain and belt components, with an emphasis on reliable operation and reduced maintenance needs. The ZT0025 part number and INA Global Number 551 0025 100 help confirm the correct application during parts lookup.