Beck Arnley 159-1138 Fuel Injector

Fuel Injector Overview

Beck Arnley fuel injector 159-1138 is a direct replacement for select Lexus port-injection applications. It is built around OE form, fit, and function expectations for foreign nameplate vehicles, with fitment covering multiple Lexus models from 2016 through 2025.

Key Features

• Direct replacement fuel injector for port-injection applications
• Blade terminal type for the specified electrical connection
• MPI fuel injection type
• OE-focused design for form, fit, and function
• Beck Arnley part number 159-1138

Detailed Description

This Beck Arnley fuel injector is engineered for select Lexus vehicles that use new port injection, including Fits 2018-2025 Lexus IS300, N/A, Fits 2018-2025 Lexus RC300, N/A, Fits 2018-2021 Lexus NX300, N/A, Fits 2018-2019 Lexus GS300, N/A, Fits 2016-2017 Lexus GS200t, N/A, Fits 2016-2017 Lexus IS200t, N/A, Fits 2017 Lexus NX200t, N/A, and Fits 2016-2017 Lexus RC200t, N/A. The MPI design and blade terminal type support the specified fuel system configuration, while Beck Arnley’s OE replacement approach focuses on matching original equipment requirements for proper installation and operation. Part number 159-1138 is a practical choice when replacing a fuel injector on Lexus IS300, RC300, or NX300 applications that call for this exact specification.

Common Replacement Issues

• Hard starting caused by a worn or restricted injector
• Rough idle from inconsistent fuel delivery
• Misfire conditions related to injector performance
• Fuel trim imbalance from poor atomization or flow
• Check engine light concerns tied to injector faults

Installation Notes

Verify the vehicle’s fuel system type, connector style, and engine application before installation. Confirm that the replacement matches the listed port-injection configuration and blade terminal specification. For best results, compare the original injector to part number 159-1138 before service.

Quality Assurance

Beck Arnley sources parts through a global network and specifies OE-quality standards for foreign nameplate applications. The brand’s focus on form, fit, and function helps ensure the replacement meets the requirements of the intended application.