Beck Arnley 159-1121 Fuel Injector

OE-Style Fuel Injector for Toyota and Lexus

Beck Arnley 159-1121 is a direct replacement fuel injector built for foreign nameplate applications that demand OE form, fit, and function. It uses a blade terminal and MPI fuel injection type, making it a focused replacement for direct-injection applications across select Toyota and Lexus models.

Compatible With 2016-2025 Toyota and Lexus applications, this injector is a practical choice when you need a replacement that matches the original design and electrical connection. Beck Arnley 159-1121 is engineered to help restore proper fuel delivery on vehicles such as the Toyota Camry, Toyota Tacoma, and Lexus ES350.

Key Features

• Beck Arnley fuel injector, part number 159-1121
• Blade terminal connection for the specified application
• MPI fuel injection type
• OE-style direct replacement for select foreign nameplate vehicles
• Built to match form, fit, and function requirements
• Application coverage for Toyota Camry, Tacoma, Avalon, Highlander, Sienna, and Lexus RX350, ES350

Detailed Description

Beck Arnley 159-1121 is sourced to meet Beck/Arnley specifications for replacement parts used on foreign vehicles. The injector is intended for direct replacement use on select Toyota and Lexus models, including 2018-2023 Toyota Camry, 2016-2023 Toyota Tacoma, 2019-2025 Lexus ES350, and other listed applications. If you are replacing a worn or failing injector on a Toyota Camry or Lexus RX350, this part number provides a fitment-focused solution with the correct terminal style and fuel injection type.

This part cross-references no additional part numbers in the provided data.

What It Helps Address

• Hard starting caused by inconsistent fuel delivery
• Rough idle related to injector wear or contamination
• Misfire conditions tied to poor fuel atomization
• Fuel trim imbalance from a failing injector
• Loss of performance on direct-injection applications

Installation Notes and Tips

• Verify the vehicle’s engine and injector configuration before ordering.
• Confirm blade terminal style and MPI fuel injection type match the original part.
• Use the fitment notes for direct-injection and Japan-built exclusions where listed.
• Inspect seals, connectors, and fuel system condition during replacement.
• Follow factory service procedures for fuel system depressurization and injector installation.

Quality Assurance

Beck Arnley parts are selected to meet OE-style replacement requirements for foreign nameplate vehicles, with attention to fit, function, and durability. The brand’s sourcing process is built around matching the original application so the correct part can be installed with confidence.