Standard Ignition WP604 Windshield Wiper Switch

Wiper Switch for Toyota and Lexus

Standard Ignition WP604 is a replacement wiper switch for select Toyota and Lexus vehicles with column-mounted controls. It is built with a female connector, 13 blade terminals, and the correct switch layout for vehicles equipped with rear wiper and variable intermittent functions where specified.

Key Features

• Female connector with 13 blade terminals for direct electrical interface
• Replacement wiper switch for column-mounted applications
• Supports select vehicles with rear wiper and variable intermittent wiper functions
• Direct-fit coverage for Toyota Sequoia, Sienna, 4Runner, Prius, RAV4, Venza, Highlander, Matrix, Prius C, Prius V, Land Cruiser, and Lexus LX570, RX330, RX350, RX400h, and CT200h applications listed below
• Standard Ignition WP604 replacement part number for service and repair matching

Detailed Description

Standard Ignition WP604 is a wiper switch designed for specific Toyota and Lexus steering column applications. It uses a female connector and 13 blade terminals, making it a direct replacement for vehicles that rely on this connector style and terminal count. This part number is commonly searched as WP604 and Standard Ignition WP604 for repair matching on Toyota Sequoia, Toyota Sienna, and Lexus LX570 service jobs.

Compatible vehicle coverage includes 2012-2022 Toyota Sequoia, 2012-2020 Toyota Sienna, 2011-2016 Toyota 4Runner with rear wiper and U.S. emissions, 2012-2016 Toyota Prius C with variable intermittent wipers and rear wiper, 2012-2015 Toyota Prius V without rain sensitive wipers and with variable intermittent wipers, 2011-2015 Toyota Prius with rear wiper, 2011-2016 Toyota Venza, 2013 Toyota Highlander, 2011-2013 Toyota Matrix, 2011-2012 Lexus CT200h, 2011-2012 Toyota Highlander with rear wiper and U.S. emissions, 2011-2012 Toyota RAV4 with rear wiper, 2008-2011 Toyota Land Cruiser, 2008 and 2012-2013 Lexus LX570, 2007-2008 Lexus RX350, 2004-2007 Toyota Prius, 2006-2007 Toyota RAV4, 2004-2006 Lexus RX330, and 2006 Lexus RX400h. It is not compatible with vehicles equipped with rain sensitive wipers where noted.

This part cross-references Dorman OE Solutions 920-750 for the same application.

What It Helps Fix

• Intermittent wiper operation that no longer responds correctly
• Rear wiper control issues on equipped Toyota and Lexus models
• Loss of variable intermittent wipe settings
• Wiper switch electrical faults caused by worn internal contacts
• Column switch replacement needs after switch failure or erratic operation

Installation Notes and Tips

• Verify connector style, terminal count, and vehicle equipment before installation.
• Check for rain sensitive wiper systems, since some listed applications exclude that feature.
• Match the vehicle’s rear wiper and emissions configuration where noted in fitment.
• Confirm the part number WP604 against the original switch before removal.

Quality Assurance

Standard Ignition WP604 is a service replacement part built to match the listed OE-style application requirements for the covered Toyota and Lexus vehicles.