INA ZG-91142 Engine Timing Chain Tensioner - Right

INA Timing Chain Tensioner Arm for Toyota and Lexus

INA ZG-91142 is an engine timing chain tensioner arm for select Toyota and Lexus applications. It is built to meet OE-level material and hardness requirements, with plastic formulated to match OEM PA66 and PA46 grades.

Key Features

• Engine timing chain tensioner arm for the valve train
• OE-quality replacement from INA
• Plastic material engineered to match OEM PA66 and PA46 grade requirements
• Direct fit for right-side applications listed below
• Part number: ZG-91142

Detailed Description

INA ZG-91142 is a timing chain guide arm used in the engine valve train to help maintain proper chain routing and tensioner contact. This part is listed for the right side on 2007-2008 Lexus LS460, 2008-2011 Lexus GS460, 2010-2012 Toyota Sequoia, and 2010-2013 Toyota Tundra. The ZG-91142 part number is also referenced under INA global number 555 0168 100, and it cross-references 5550168100 for the same application.

For buyers searching for a Toyota Tundra right timing chain tensioner arm or a Lexus LS460 right engine timing chain guide, this INA component provides a direct replacement option for the specified vehicles. It is designed for engines that require a right-side chain guide arm with OE-matched plastic material characteristics.

Common Problems This Part May Address

• Worn or damaged timing chain guide arm
• Chain noise from a deteriorated guide surface
• Improper chain routing at the right-side guide location
• Timing system service on high-mileage engines
• Replacement during valve train repair or chain service

Installation Notes and Tips

Confirm engine code, right-side placement, and OE reference before installation. This part is listed as arm only, so verify the existing tensioner assembly and related components during service. Follow factory timing procedures and inspect the chain, guides, and sprockets for wear before reassembly.

Quality Assurance

INA states that its timing chain guides are made to meet or exceed OE quality and performance expectations, with plastic material matched to OEM PA66 and PA46 grade requirements for hardness and material consistency.

Compatible Vehicles

• Fits 2010-2013 Toyota Tundra, right; INA Global Number 555 0168 100; arm only
• Fits 2010-2012 Toyota Sequoia, right; INA Global Number 555 0168 100; arm only
• Fits 2008-2011 Lexus GS460, right; INA Global Number 555 0168 100
• Fits 2007-2008 Lexus LS460, right; INA Global Number 555 0168 100