OE Quality
60-Day Returns

Beck Arnley 159-1120 Fuel Injector
Reliable Fuel Injector for Lexus and Toyota Vehicles
The Beck Arnley 159-1120 fuel injector is designed to deliver precise fuel injection for select Lexus and Toyota models. Featuring a blade terminal type and MPI fuel injection technology, this injector supports efficient engine performance and fuel delivery.
- Terminal Type: Blade for secure electrical connection
- Fuel Injection Type: Multi-Point Injection (MPI) for consistent fuel atomization
- Compatible with Lexus and Toyota models including Avalon, Camry, ES350, Highlander, RX350, Sienna, and Tacoma
- OEM-quality fit and function for reliable operation
- Part Number: 159-1120 for accurate identification and replacement
Product Details and Specifications
This Beck Arnley fuel injector (part number 159-1120) is engineered to meet the specific fuel delivery requirements of various Lexus and Toyota vehicles. The blade terminal type ensures a stable electrical connection, reducing the risk of misfires or poor injector response. Utilizing multi-point injection (MPI) technology, this injector delivers fuel evenly to each cylinder, supporting optimal combustion and engine efficiency. It is compatible with popular models such as the Toyota Camry, Avalon, Sienna, Tacoma, and Lexus RX350, ES350, and Highlander, making it a versatile replacement part for these vehicles.
Common Applications and Problem Resolution
- Restores proper fuel delivery in Lexus RX350 and Toyota Highlander engines
- Resolves rough idling and engine misfires in Toyota Camry and Avalon
- Improves fuel efficiency and throttle response in Lexus ES350 and Toyota Sienna
- Addresses poor acceleration issues in Toyota Tacoma
- Eliminates injector-related check engine light triggers
Installation Notes and Tips
When installing the Beck Arnley 159-1120 fuel injector, ensure the blade terminal connections are clean and secure to maintain proper electrical contact. It is recommended to inspect the fuel rail and injector seals for wear or damage during replacement. Proper torque specifications should be followed to avoid leaks or injector damage. Professional installation is advised for optimal results and safety.
Quality Assurance and Warranty
Beck Arnley fuel injectors are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 159-1120 injector undergoes rigorous testing to verify fitment and function for compatible Lexus and Toyota models. Warranty coverage details should be confirmed with the supplier or manufacturer to ensure protection against defects.
| Brand | Beck Arnley |
| Part Number | 159-1120 |
| Terminal Type | Blade |
| Fuel Injection Type | Mpi |
This part fits 42 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Lexus | ES350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2024 | Lexus | ES350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2023 | Lexus | ES350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2023 | Toyota | Camry | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2023 | Toyota | Tacoma | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2022 | Lexus | ES350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2022 | Lexus | RX350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1; Except Japan Built Vehicle; Except Japan Built Part | |
| 2022 | Toyota | Avalon | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2022 | Toyota | Camry | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2022 | Toyota | Highlander | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2022 | Toyota | Tacoma | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2021 | Lexus | ES350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2021 | Lexus | RX350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1; Except Japan Built Vehicle; Except Japan Built Part | |
| 2021 | Toyota | Avalon | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2021 | Toyota | Camry | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2021 | Toyota | Highlander | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2021 | Toyota | Tacoma | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2020 | Lexus | ES350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2020 | Lexus | RX350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1; Except Japan Built Vehicle; Except Japan Built Part | |
| 2020 | Toyota | Avalon | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2020 | Toyota | Camry | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2020 | Toyota | Highlander | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2020 | Toyota | Sienna | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2020 | Toyota | Tacoma | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2019 | Lexus | ES350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2019 | Lexus | RX350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1; Except Japan Built Vehicle; Except Japan Built Part | |
| 2019 | Toyota | Avalon | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2019 | Toyota | Camry | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2019 | Toyota | Highlander | 3.5L | V6 | GAS | N/A | NEW, DIRECT INJECTION; Mark 1 |
| 2019 | Toyota | Sienna | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2019 | Toyota | Tacoma | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2018 | Lexus | RX350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1; Except Japan Built Vehicle; Except Japan Built Part | |
| 2018 | Toyota | Camry | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2018 | Toyota | Highlander | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2018 | Toyota | Sienna | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2018 | Toyota | Tacoma | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2017 | Lexus | RX350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1; Except Japan Built Vehicle; Except Japan Built Part | |
| 2017 | Toyota | Highlander | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2017 | Toyota | Sienna | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2017 | Toyota | Tacoma | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 | |
| 2016 | Lexus | RX350 | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1; Except Japan Built Vehicle; Except Japan Built Part | |
| 2016 | Toyota | Tacoma | 3.5L | V6 | N/A | NEW, DIRECT INJECTION; Mark 1 |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.