OE Quality
60-Day Returns

INA ZT-91140 Engine Timing Chain Tensioner
INA ZT-91140 Timing Chain Tensioner
INA ZT-91140 is an engine timing chain tensioner for select Toyota and Lexus applications. It supports stable timing drive operation by helping maintain proper chain tension in the valve train.
Key Features
- Engine timing chain tensioner for the timing drive
- Fits 1993-1997 Toyota Land Cruiser, N/A
- Fits 1996-1997 Lexus LX450, N/A
- INA Global Number 551 0462 100
- Part number ZT-91140 for direct catalog lookup
Application Details
This timing chain tensioner is used in the engine valve train to help keep the chain properly tensioned during operation. For Toyota Land Cruiser and Lexus LX450 models in the listed years, INA ZT-91140 supports consistent timing drive function and reliable gear ratio control in the chain system. This part cross-references part number 5510462100 for the same application.
Common Problems It May Address
- Timing chain slack in the engine timing drive
- Noise from a worn or unstable chain tensioner
- Irregular valve timing caused by tension loss
- Reduced timing drive reliability on high-mileage engines
Installation Notes and Tips
Verify engine code and timing drive configuration before installation. Inspect the chain, guides, and related valve train components for wear while servicing the tensioner. Follow factory timing procedures and torque specifications during replacement.
Quality Assurance
INA supplies repair solutions for chain and belt drive components with an emphasis on correct gear ratios, dependable operation, and low maintenance requirements.
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1997 | Lexus | LX450 | 4.5L | L6 | N/A | INA Global Number 551 0462 100; Primary |
| 1997 | Toyota | Land Cruiser | 4.5L | L6 | N/A | INA Global Number 551 0462 100; Primary |
| 1996 | Lexus | LX450 | 4.5L | L6 | N/A | INA Global Number 551 0462 100; Primary |
| 1996 | Toyota | Land Cruiser | 4.5L | L6 | N/A | INA Global Number 551 0462 100; Primary |
| 1995 | Toyota | Land Cruiser | 4.5L | L6 | N/A | INA Global Number 551 0462 100; Primary |
| 1994 | Toyota | Land Cruiser | 4.5L | L6 | N/A | INA Global Number 551 0462 100; Primary |
| 1993 | Toyota | Land Cruiser | 4.5L | L6 | N/A | INA Global Number 551 0462 100; Primary |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.