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Standard Ignition WP640 Windshield Wiper Switch
Standard Ignition WP640 Wiper Switch
The Standard Ignition WP640 is a new direct-fit wiper switch for select Lexus vehicles with conventional wiper control systems. It restores windshield washer spray, intermittent delay, and multi-speed wiper operation through a black plastic switch assembly with a female rectangular connector layout.
Compatible With 2013-2018 Lexus GS, IS, and RC models listed below, this WP640 replacement is built for vehicles without Rain Sensitive Wipers. It is a practical OE-style solution when the original switch no longer responds correctly or the driver controls feel inconsistent.
Key Features
- Direct attachment method for straightforward replacement
- Black plastic finish with displayed markings
- Windshield washer spray included
- Windshield wiper delay setting included
- Windshield wiper speed setting included
- 3 delay settings and 4 wiper speed settings
- 12-volt electrical design
- Female 3-connector layout with 22 blade-and-pin terminals
- New Standard Ignition part number WP640
Detailed Description
Standard Ignition WP640 is a windshield wiper switch designed to control front wiper functions from the steering column interface on supported Lexus applications. It provides washer spray activation along with delay and speed selection, helping restore normal driver control when the original switch is worn, intermittent, or electrically unreliable. This part cross-references OE-style numbers 8465230681 and WS6895 for the same application. For shoppers searching for a Lexus GS350 wiper switch, Lexus IS350 windshield wiper switch, or Lexus RC350 wiper control replacement, WP640 offers a direct replacement path for the listed vehicles.
What It Helps Fix
- Inoperative windshield washer spray command
- Loss of intermittent wiper delay selection
- Limited or missing wiper speed control
- Intermittent switch response at the column controls
- Worn or damaged original wiper switch assembly
Installation Notes and Tips
- Direct-fit replacement with a female rectangular connector and blade-and-pin terminals
- Verify the vehicle is not equipped with Rain Sensitive Wipers before ordering
- Confirm the original connector shape, cavity count, and terminal layout match WP640
- Review the vehicle’s existing column switch configuration before installation
- Fits 2013 Lexus GS350, N/A; 2014-2018 Lexus IS250, N/A; 2014-2018 Lexus IS350, N/A; 2015-2018 Lexus RC F, N/A; 2015-2018 Lexus RC350, N/A; 2016 Lexus GS200t, N/A; 2016 Lexus GS350, N/A; 2016 Lexus IS200t, N/A; 2016 Lexus RC200t, N/A; 2016-2018 Lexus GS F, N/A; 2016-2018 Lexus RC300, N/A
Quality Assurance
Standard Ignition supplies this WP640 as a new replacement switch built to match the listed electrical and connector specifications for the covered Lexus applications. Use the fitment notes to confirm vehicle configuration before installation.
| Brand | Standard Ignition |
|---|---|
| Part Number | WP640 |
| Attachment Method | Direct |
| Color | Black |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Cruise Control Cancel Included | No |
| Cruise Control On/Off Operator Inc | No |
| Cruise Control Resume Included | No |
| Cruise Control Set Included | No |
| Cruise Control Speed Adjustment In | No |
| Displayed | Yes |
| Finish | Plastic |
| Fog Light Operator Included | No |
| Indicator Markings Included | No |
| Latching High Beam Operator Includ | No |
| Main Light Operator Included | No |
| Momentary High Beam Flasher Includ | No |
| New or Reman | New |
| Number Of Connector Cavities | 2 |
| Number Of Wiper Delay Settings | 3 |
| Number Of Wiper Speed Settings | 4 |
| Rear Window Washer Spray Included | No |
| Rear Window Wiper Delay Control In | No |
| Rear Window Wiper Speed Setting In | No |
| Running Light Operator Included | No |
| Terminal Gender | Male |
| Terminal Type | Blade & Pin |
| Turn Signal Control Included | No |
| Turn Signal/Directional Indicator | No |
| Voltage | 12 |
| Windshield Washer Spray Included | Yes |
| Windshield Wiper Delay Setting Inc | Yes |
| Windshield Wiper Speed Setting Inc | Yes |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2018 | Lexus | GS F | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2018 | Lexus | GS350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2018 | Lexus | IS350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2018 | Lexus | RC F | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2018 | Lexus | RC300 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2018 | Lexus | RC350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2017 | Lexus | GS F | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2017 | Lexus | GS350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2017 | Lexus | IS350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2017 | Lexus | RC F | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2017 | Lexus | RC300 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2017 | Lexus | RC350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2016 | Lexus | GS F | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2016 | Lexus | GS200t | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2016 | Lexus | GS350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2016 | Lexus | IS200t | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2016 | Lexus | IS350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2016 | Lexus | RC F | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2016 | Lexus | RC200t | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2016 | Lexus | RC300 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2016 | Lexus | RC350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2015 | Lexus | IS250 | Sedan | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. |
| 2015 | Lexus | IS350 | Sedan | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. |
| 2015 | Lexus | RC F | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2015 | Lexus | RC350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. | |
| 2014 | Lexus | IS250 | Sedan | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. |
| 2014 | Lexus | IS350 | Sedan | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. |
| 2013 | Lexus | GS350 | N/A | Not compatible with vehicles equipped with Rain Sensitive Wipers. |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.