Standard Ignition HZS291 Hazard Warning Switch
OE Quality 60-Day Returns
Standard Ignition

Standard Ignition HZS291 Hazard Warning Switch

Brand Standard Ignition HZS291
Connector Gender Female
Contents 1 Switch
Terminal Gender Male
Terminal Type Blade
Fits Lexus · 9 vehicles

Hazard warning switch. Controls the vehicle's hazard lights with a simple, dedicated switch.

Blade terminals. Four male terminals and a female connector for straightforward electrical hookup.

Cross-references Standard Ignition HZS291, 843300E010 and HDS291 for the same application. See all 4.

$92.61Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $92.61
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Hazard Warning Switch options

Hazard Warning Switch for Lexus RX

Restore reliable hazard light operation with this Standard Ignition hazard warning switch, part number HZS291. It is built for direct replacement use in select Lexus RX applications and uses a 4-terminal blade connection with a female connector and male terminals for proper electrical interface.

Key Features

  • Hazard warning switch for dashboard emergency flasher control
  • Female connector with male blade terminals
  • 4-terminal electrical design
  • Direct-fit replacement for select Lexus RX350 and RX450h models
  • Standard Ignition HZS291 replacement part

Detailed Description

Standard Ignition HZS291 is a hazard warning switch designed for select 2010-2015 Lexus RX450h and 2010-2012 Lexus RX350 vehicles. This switch restores the driver-controlled hazard function used to activate the turn signal lamps in emergency situations. The electrical layout includes a female connector, male blade terminals, and four terminals for a secure factory-style connection. If you are searching for a Lexus RX350 hazard warning switch replacement or a Lexus RX450h hazard switch by part number HZS291, this unit matches the listed application data.

This part cross-references 843300E010 for the same application.

What It Helps Solve

  • Inoperative hazard flashers
  • Intermittent emergency light activation
  • Broken or worn switch contacts
  • Electrical connection issues at the switch
  • Dashboard switch failure on Lexus RX350 and Lexus RX450h models

Installation Notes and Tips

Verify connector style, terminal count, and vehicle fitment before installation. Match the replacement switch to the original electrical layout and confirm proper operation after installation. For best results, compare the existing switch and connector configuration on the vehicle before removing the old unit.

Quality Assurance

Standard Ignition supplies replacement electrical components for service applications, and HZS291 is listed with OE-style interchange references for the specified Lexus RX fitments.

Related reading

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2015LexusRX450hN/A—
2014LexusRX450hN/A—
2013LexusRX450hN/A—
2012LexusRX350N/A—
2012LexusRX450hN/A—
2011LexusRX350N/A—
2011LexusRX450hN/A—
2010LexusRX350N/A—
2010LexusRX450hN/A—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — HZS291843300E010HDS291HSW291