INA ZG-91239 Engine Timing Chain Tensioner

INA Timing Chain Tensioner for Mazda Applications

The INA ZG-91239 engine timing chain tensioner is built for Mazda engines that require precise valve train control and stable chain tension. It is a direct-fit engine timing chain component for select Mazda 3, Mazda 6, CX-5, and CX-9 applications.

INA timing chain guides and related valve train components are engineered to meet OE-level material and performance expectations, with plastic construction matched to OEM PA66 and PA46 hardness requirements.

Key Features

• Engine timing chain tensioner for valve train service
• Direct-fit application coverage for select Mazda models
• INA part number ZG-91239
• Cross-reference: 5550158100
• OE-style material specification for consistent chain guidance

Detailed Description

Use the INA ZG-91239 when replacing a worn or noisy timing chain tensioner on compatible Mazda engines. This component is listed for 2014-2018 Mazda CX-5, 2014-2016 Mazda 3, 2014-2016 Mazda 6, 2016-2018 Mazda CX-9, and 2017-2018 Mazda 3 and Mazda 6 applications, with fitment notes showing the INA Global Number 555 0158 100 on select arm-style listings. If you are searching for a Mazda CX-5 timing chain tensioner or a Mazda 3 engine timing chain tensioner, this part number is the relevant OE-style reference.

What It Helps Address

• Timing chain slack
• Chain noise from a worn tensioner
• Valve timing instability
• Rattling during startup
• Service replacement for a damaged chain guide/tensioner assembly

Installation Notes and Tips

Confirm engine code and timing system layout before installation. Replace the tensioner only after verifying chain condition, guide wear, and related valve train components. Follow factory timing procedures and torque specifications during service.

Quality Assurance

INA states this timing chain component is manufactured to meet or exceed OE quality and performance expectations, with plastic material hardness aligned to OEM PA66 and PA46 requirements.