HomeWiper and Washer > SwitchesStandard Ignition WP-421 Windshield Wiper Switch
Part #: WP-421

Standard Ignition WP-421 Windshield Wiper Switch

⚙️ 13 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda, Pilot
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Reliable Wiper Switch for Honda Odyssey and Pilot

The Standard Ignition WP-421 wiper switch is designed to restore proper windshield wiper control for Honda Odyssey and Pilot models. Featuring a durable black plastic finish and a female blade connector, this switch ensures consistent performance and easy integration with your vehicle's existing wiring.

Key Features of Standard Ignition WP-421 Wiper Switch

  • Compatible with Honda Odyssey and Honda Pilot models
  • Black plastic finish for durability and corrosion resistance
  • Female connector with 8 blade-type terminals for secure electrical connection
  • Standard Ignition quality meeting OEM specifications
  • Part number WP-421 for precise identification and fitment

Detailed Description of the WP-421 Wiper Switch

This wiper switch from Standard Ignition is engineered to provide reliable control over your vehicle's windshield wipers. The black plastic housing offers resistance to wear and environmental factors, while the female connector with eight blade terminals ensures a stable and secure electrical connection. Designed specifically for Honda Odyssey and Pilot models, the WP-421 switch integrates seamlessly with the vehicle’s existing wiring harness, maintaining factory functionality and safety standards.

Common Issues Addressed by the WP-421 Wiper Switch

  • Intermittent or non-responsive windshield wiper operation
  • Failure of wiper speed selection or intermittent settings
  • Electrical connection problems due to worn or damaged switch terminals
  • Inconsistent wiper control affecting driver visibility
  • Replacement of faulty or worn original equipment wiper switch

Installation Notes and Tips

  • Ensure vehicle ignition is off before beginning installation
  • Disconnect the battery to prevent electrical shorts
  • Verify connector type and terminal count match the existing switch (female connector with 8 blade terminals)
  • Carefully remove the old switch to avoid damage to the wiring harness
  • Test the new switch operation before reassembling dashboard components

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The WP-421 wiper switch undergoes rigorous quality control to ensure proper fit and function. Warranty coverage details can be obtained from the product documentation or authorized distributors.

BrandStandard Ignition
Part NumberWP-421
ColorBlack
Connector GenderFemale
FinishPlastic
Terminal TypeBlade

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017HondaOdyssey3.5LV6N/A
2016HondaOdyssey3.5LV6N/A
2015HondaOdyssey3.5LV6N/A
2015HondaPilotN/A
2014HondaOdyssey3.5LV6N/A
2014HondaPilotN/A
2013HondaOdyssey3.5LV6N/A
2012HondaOdyssey3.5LV6N/A
2012HondaPilotN/A
2011HondaOdyssey3.5LV6N/A
2011HondaPilotN/A
2010HondaPilotN/A
2009HondaPilotN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1S1166835256SZAA0153-65343SW8866WS6674WW721

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.