HomeWiper and Washer > SwitchesStandard Ignition WP-274 Windshield Wiper Switch
Part #: WP-274

Standard Ignition WP-274 Windshield Wiper Switch

⚙️ 5 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$291.75Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lexus, IS300
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Wiper Switch for Lexus IS300

The Standard Ignition WP-274 wiper switch is designed specifically for Lexus IS300 models, providing precise control over your vehicle's windshield wiper system. This black switch features a durable chrome and plastic finish, ensuring both functionality and a clean appearance.

  • Compatible with Lexus IS300 vehicles
  • Black color with chrome and plastic finish
  • Female connector for secure wiring
  • 15 + 1 blade-type terminals for reliable electrical connections
  • Operates on 12-volt electrical systems

Product Details and Specifications

The Standard Ignition WP-274 wiper switch is engineered to meet OEM standards for fit and function. Its black housing with chrome and plastic finish offers durability and resistance to wear. The switch includes a female connector designed to fit seamlessly with the vehicle’s wiring harness. Featuring 15 plus 1 blade-type terminals, this 12-volt switch ensures consistent electrical contact and reliable operation of the wiper system. This part is specifically made for Lexus IS300 models, ensuring proper fitment and performance.

Common Applications and Problem Resolution

This wiper switch is used to control the windshield wipers on Lexus IS300 vehicles. It addresses several common issues, including:

  • Intermittent or non-functioning wiper operation
  • Failure of wiper speed control
  • Unresponsive wiper switch due to electrical faults
  • Loose or damaged connector terminals
  • Wear and tear from prolonged use

Installation Notes and Tips

Installation of the Standard Ignition WP-274 wiper switch requires basic automotive electrical knowledge. Ensure the vehicle’s battery is disconnected before beginning installation to prevent electrical shorts. Verify the female connector matches the vehicle’s wiring harness and that all 15 + 1 blade terminals are properly seated. After installation, test all wiper functions to confirm correct operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The WP-274 wiper switch undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship.

BrandStandard Ignition
Part NumberWP-274
ColorBlack
Connector GenderFemale
FinishChrome, Plastic
Terminal TypeBlade
Voltage12

This part fits 5 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2005LexusIS300SedanN/A
2004LexusIS300SedanN/A
2003LexusIS300SedanN/A
2002LexusIS300SedanN/A
2001LexusIS300N/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:

1S418353-648078465253010S3935SW4455WS6512

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