Standard Ignition WP-327 Windshield Wiper Switch

Standard Ignition WP-327 Wiper Switch for Toyota Sienna

Standard Ignition WP-327 is a 12-volt wiper switch built with a black plastic finish and a female blade-terminal connector layout. It is listed for 1999-2003 Toyota Sienna applications and is intended for direct replacement of the original switch in the vehicle’s wiper and washer control system.

Key Features

• Black finish with plastic construction
• Female connector gender for the vehicle harness interface
• 15 + 1 blade terminals
• 12-volt electrical specification
• Direct-fit replacement for 1999-2003 Toyota Sienna wiper switch applications
• Standard Ignition WP-327 part number for catalog matching

Product Details

This wiper switch is used to control windshield wiper and washer functions from the driver interface. The WP-327 is specified with blade terminals and a 15 + 1 terminal layout, which helps match the original electrical connection pattern on the applicable Toyota Sienna models. If you are searching for a Toyota Sienna wiper switch replacement, Standard Ignition WP-327 provides the correct fitment range for 1999, 2000, 2001, 2002, and 2003 vehicles. This part cross-references Denso 8465208020 and Standard Motor Products S3988 for the same application.

Common Issues This Part Can Address

• Intermittent or non-functioning windshield wiper operation
• Washer control input not responding at the switch
• Wiper speed selection not changing as expected
• Worn or damaged switch contacts in the steering column control
• Electrical connection problems at the original switch interface

Installation Notes and Tips

Verify the connector style, terminal count, and 12-volt specification before installation. Compare the original switch to the WP-327 to confirm the blade-terminal layout and housing finish match the vehicle’s existing setup. For 1999-2003 Toyota Sienna repair work, confirm the steering column switch configuration and test all wiper and washer functions after installation.

Quality Assurance

Standard Ignition is a recognized aftermarket source for electrical and switch components, and WP-327 is cataloged for the listed Toyota Sienna fitment range. Use the vehicle year and original part reference to confirm application before purchase.