HomeElectrical, Lighting and Body > SwitchesStandard Ignition PSW55 Seat Lumbar Switch
Part #: PSW55

Standard Ignition PSW55 Seat Lumbar Switch

⚙️ 26 vehicles fit this part
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Select your vehicle to confirm fitment
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✅ 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: Toyota and Lexus, Land Cruiser, Prius, LX570, GX470, Solara, and Tundra
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Standard Ignition PSW55 Seat Lumbar Switch

The Standard Ignition PSW55 seat lumbar switch is designed for reliable operation in select Lexus and Toyota vehicles. This switch features a durable plastic finish in black and gray, engineered to match the interior aesthetics of models like the Lexus GX470 and Toyota Land Cruiser.

  • Compatible with Lexus GX470, Land Cruiser, LX570, Prius, Solara, and Tundra models
  • Durable plastic construction with black and gray finish
  • Female connector with 5 male blade terminals for secure electrical connection
  • Terminal quantity: 5 blade terminals ensuring proper fit and function
  • Part number PSW55 for precise identification and replacement

Detailed Product Description

The PSW55 seat lumbar switch from Standard Ignition is a direct replacement part designed to restore lumbar support control in compatible Lexus and Toyota vehicles. Its plastic housing in black and gray blends seamlessly with vehicle interiors, while the female connector and five male blade terminals provide a secure and reliable electrical connection. This switch is engineered to meet OEM specifications, ensuring consistent performance and durability. The 5 blade terminal design supports stable connectivity, reducing the risk of electrical faults or intermittent operation.

Common Applications and Issues Addressed

  • Restores lumbar support control functionality in Lexus GX470 and Toyota Land Cruiser seats
  • Replaces faulty or worn seat lumbar switches causing unresponsive seat adjustments
  • Fixes intermittent electrical connection issues related to damaged terminals
  • Addresses cosmetic wear with a switch that matches original interior colors
  • Supports proper operation of seat lumbar adjustments in Toyota Prius, Solara, and Tundra models

Installation Notes and Tips

  • Ensure vehicle ignition is off before beginning installation to prevent electrical shorts
  • Disconnect the battery to avoid accidental airbag deployment during switch replacement
  • Carefully remove the old lumbar switch by disconnecting the female connector and detaching the switch from the seat panel
  • Align the PSW55 switch terminals correctly and secure the connector firmly to avoid loose connections
  • Test lumbar adjustment functionality before reassembling the seat panel

Quality Assurance and Warranty

Standard Ignition manufactures the PSW55 seat lumbar switch to meet or exceed OEM standards for fit, form, and function. Each switch undergoes quality control inspections to ensure reliable performance. While specific warranty details may vary, Standard Ignition typically offers coverage against manufacturing defects to provide confidence in product durability and longevity.

BrandStandard Ignition
Part NumberPSW55
ColorBlack, Gray
Connector GenderFemale
FinishPlastic
Terminal GenderMale
Terminal Type5 Blade Terminals

This part fits 26 vehicles. Search below:

YearMakeModelPositionNotes
2013ToyotaLand CruiserN/APower seat switch, front left position
2012ToyotaPriusN/AFront Left Gray
2011LexusLX570N/APower seat switch, front left position
2011ToyotaLand CruiserN/APower seat switch, front left position
2011ToyotaPriusN/AFront Left Gray
2010LexusLX570N/APower seat switch, front left position
2010ToyotaLand CruiserN/APower seat switch, front left position
2010ToyotaPriusN/AFront Left Gray
2009LexusGX470N/AFront Left Gray
2009LexusLX570N/APower seat switch, front left position
2009ToyotaLand CruiserN/APower seat switch, front left position
2008LexusGX470N/AFront Left Gray
2008LexusLX570N/APower seat switch, front left position
2008ToyotaLand CruiserN/APower seat switch, front left position
2007LexusGX470N/AFront Left Gray
2007ToyotaSolaraN/AFront Left Gray
2006LexusGX470N/AFront Left Gray
2006ToyotaSolaraN/AFront Left Gray
2006ToyotaTundraN/AFront Left Gray
2005LexusGX470N/AFront Left Gray
2005ToyotaSolaraN/AFront Left Gray
2005ToyotaTundraN/AFront Left Gray
2004LexusGX470N/AFront Left Gray
2004ToyotaSolaraN/AFront Left Gray
2004ToyotaTundraN/AFront Left Gray
2003LexusGX470N/AFront Left Gray

* 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:

1S979453-439478492060050B2PA2432STW55SW7207

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