Holstein 2KNC0503 Ignition Knock (Detonation) Sensor

Holstein Knock Sensor for Toyota and Lexus

Holstein Parts 2KNC0503 is an ignition knock sensor for select Toyota and Lexus applications. It is a direct-fit emission control sensor replacement for vehicles that need accurate detonation detection to help maintain proper engine operation.

Key Features

• Ignition knock (detonation) sensor for engine knock detection
• Holstein Parts product line replacement for select Toyota and Lexus models
• Direct application coverage for common Toyota Camry, Avalon, Sienna, Highlander, Solara, and Lexus ES300/RX300 fitments
• Cross-references Dorman OE Solutions 917-032 and TechSmart J72002 for the same application
• Part number 2KNC0503 for catalog and fitment lookup

Detailed Description

Holstein Parts 2KNC0503 is built for vehicles that rely on a functioning knock sensor to monitor engine detonation and support correct ignition control. This part fits 1995-2006 Toyota Camry, 1996-2005 Toyota Avalon, 2001-2003 Toyota Highlander, 1998-2003 Toyota Sienna, 1999-2002 Toyota Solara, 1996-2001 Lexus ES300, and 1999-2002 Lexus RX300. If you are searching for a knock sensor for Toyota Camry, Avalon, Sienna, Highlander, Solara, or Lexus ES300/RX300 applications, 2KNC0503 is the catalog number to reference.

Holstein Parts 2KNC0503 also cross-references Dorman OE Solutions 917-032 and TechSmart J72002 for the same application.

What It Helps Address

• Knock sensor fault codes
• Engine pinging or detonation-related drivability concerns
• Rough running caused by inaccurate knock detection
• Check engine light concerns tied to the ignition knock sensor circuit
• Incorrect ignition timing response from a failed sensor

Installation Notes and Tips

Confirm the vehicle year, make, and model before ordering. This part is listed for N/A position applications, so match the original sensor location and connector style to the vehicle service information before installation. Clear diagnostic trouble codes after replacement and verify proper engine operation with a scan tool if needed.

Quality Assurance

Holstein Parts offers an OE-style replacement approach for emission control sensor applications, with fitment coverage listed for select Toyota and Lexus vehicles.