Standard Ignition WP-342 Windshield Wiper Switch

Wiper Switch for Toyota Sienna and Lexus RX

Standard Ignition WP-342 is a 12-volt wiper switch built with a black plastic finish, a female connector, and 13 blade-and-pin terminals. It is a column-mounted replacement for select Toyota Sienna and Lexus RX applications, including models with automatic wipers.

Key Features

• Black plastic construction for a factory-style interior appearance
• Female connector with 13 blade and pin terminals
• 12-volt electrical design
• Column-mounted fitment for listed Toyota and Lexus applications
• Direct replacement part number WP-342

Detailed Description

Standard Ignition WP-342 is a wiper switch for vehicles that use a column-mounted control assembly. The switch is specified with a black finish, plastic housing, female connector gender, and 13 terminals in a blade-and-pin layout. This configuration supports the electrical interface used in the listed Toyota Sienna and Lexus RX models, including Lexus RX applications with automatic wipers.

This part cross-references Standard Ignition WP-342 for the same application. It is also associated with interchange part numbers such as 846520E021 and SW7466.

What It Is Used For

• Restoring windshield wiper control response
• Replacing a worn or intermittent column switch
• Correcting wiper function issues on Toyota Sienna and Lexus RX vehicles
• Addressing automatic wiper control concerns on listed Lexus RX models
• Replacing a damaged female-connector switch assembly

Installation Notes and Tips

• Verify the connector style, terminal count, and column-mounted configuration before installation.
• Match the vehicle year and model exactly to the listed fitment.
• Confirm automatic wiper equipment on 2006-2008 Lexus RX applications where noted.
• Inspect the steering column switch wiring and terminals for wear or corrosion during replacement.

Quality Assurance

Standard Ignition supplies replacement electrical components for service applications, and WP-342 is built to match the listed fitment and connector specifications for the covered Toyota Sienna and Lexus RX vehicles.