Porsche Left or Right Timing Chain Tensioner 930-105-058-03-OEM for 911, 930, 964 (1983–1992) | OEM Engine Part

Restore your Porsche’s legendary engine precision with the Porsche Left or Right Timing Chain Tensioner (930-105-058-03). This OEM hydraulic tensioner automatically maintains proper chain tension to ensure accurate valve timing, reduced engine noise, and optimal performance. Designed for Porsche 911, 930, and 964 models from 1983 to 1992, it’s the perfect replacement during engine rebuilds or timing system service.

Key Features

• OEM Porsche Component – Manufactured to exact factory specifications for flawless fit and function

• Hydraulic Chain Tensioning – Automatically adjusts to maintain correct chain pressure and alignment

• Improves Engine Performance – Ensures accurate valve timing and reduces chain rattle or noise

• Durable Construction – Built from high-quality aluminum and steel for long-lasting reliability

• Direct Fit for Porsche 911, 930, and 964 (1983–1992) – Suitable for either left or right side installation

• Essential for Rebuilds and Restorations – Recommended when servicing or upgrading the timing chain system

• Restores Smooth Operation – Prevents chain slack and premature wear in high-performance engines

Frequently Asked Questions (FAQ)

1. What does the timing chain tensioner do in a Porsche engine?
It keeps the timing chain properly tensioned to ensure precise valve timing, preventing slack that can cause noise, misfires, or timing issues.

2. Which Porsche models is this part compatible with?
This OEM tensioner fits Porsche 911, 930, and 964 engines manufactured between 1983 and 1992.

3. Can this timing chain tensioner be used on either side?
Yes, this tensioner is designed for use on both the left or right side of the engine.

4. How do I know if my timing chain tensioner needs replacement?
Symptoms include chain rattling on startup, uneven idle, ticking noises, or poor engine performance.

5. Should I replace both tensioners at once?
Yes, it is strongly recommended to replace both tensioners together to maintain balanced tension and ensure even wear across the timing system.