INA ZG-91137 Engine Timing Chain Tensioner

INA Timing Chain Tensioner for Toyota and Lexus

INA ZG-91137 is an engine timing chain tensioner application for select Toyota, Lexus, and Scion vehicles. It is built to meet or exceed OE quality and performance expectations, with plastic material formulated to match OEM PA66 and PA46 grade hardness requirements.

Key Features

• Engine timing chain tensioner for valve train service
• OE-style material specification for consistent hardness and wear characteristics
• Designed for select Toyota Corolla, Prius, Prius Prime, Prius V, Matrix, Prius Plug-In, Corolla iM, Lexus CT200h, and Scion xD applications
• INA part number ZG-91137
• Cross-reference: 5550142100

Detailed Description

INA ZG-91137 is a timing chain tensioner component used in the engine valve train to maintain proper chain tension and timing stability. This part is listed for 2008-2019 Toyota and Lexus hybrid and compact applications, including Toyota Corolla, Toyota Prius, Toyota Prius Prime, Toyota Prius V, Toyota Matrix, Lexus CT200h, and Scion xD. For buyers searching for a Toyota Corolla timing chain tensioner or a Prius timing chain tensioner, this part number provides a direct OE-style service option.

The plastic construction follows OEM-grade PA66 and PA46 hardness targets, supporting consistent fit and material behavior in timing system service. INA ZG-91137 is also referenced under global number 555 0142 100 for select applications.

What It Is Used For

• Restoring proper timing chain tension after wear or failure
• Addressing chain noise from a worn tensioner assembly
• Correcting timing instability caused by weak chain control
• Replacing a damaged OE-style tensioner during engine service
• Supporting valve train operation in Toyota Prius and Corolla applications

Installation Notes and Tips

Verify engine code and exact vehicle application before installation. This part is listed across multiple Toyota, Lexus, and Scion models, so confirm the year, model, and notes shown in the fitment data. Inspect the timing chain, guides, and related valve train components during service, and follow the vehicle manufacturer’s timing procedure during installation.

Quality Assurance

INA states that this timing chain guide and tensioner material is engineered to meet or exceed OE quality and performance standards, with plastic hardness aligned to OEM PA66 and PA46 specifications.