Walker 210-91038 Air Charge Temperature Sensor

Walker 210-91038 Air Charge Temperature Sensor

Walker Products FSK 210-91038 is an air charge temperature sensor for select Hyundai and Kia applications. It provides the engine management system with intake air temperature data needed for accurate fuel and ignition control.

Key Features

• Air charge temperature sensor for engine management systems
• Walker Products FSK product line for fuel system and sensor applications
• Manufactured to meet or exceed OEM standards and specifications
• Backed by Walker Products engineering, product management, and technical support
• ISO 9001 and IATF 16949 certified manufacturing
• Interchange reference: SU4121DG

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with a focus on accurate application data and OE-style performance. Part number 210-91038 is an air charge temperature sensor used in engine control strategies that rely on intake air temperature input. It is listed for 1995-1996 Hyundai Accent, 1997 Hyundai Accent, 1999-2005 Hyundai Sonata, 2001-2006 Hyundai Santa Fe, 2001-2006 Kia Optima, 2003-2008 Hyundai Tiburon, 2005-2009 Hyundai Tucson, and 2005-2010 Kia Sportage. This part number, 210-91038, is a direct fit reference for those vehicle applications.

What It Helps Address

• Incorrect intake air temperature readings
• Rough idle caused by faulty sensor input
• Hard starting related to air charge signal errors
• Fuel mixture concerns from inaccurate engine data
• Check engine light conditions tied to sensor faults

Installation Notes

Verify the connector style, sensor location, and vehicle application before installation. For fitment, use the exact model and year listing: Fits 1995-1996 Hyundai Accent, Fits 1997 Hyundai Accent, Fits 1999-2005 Hyundai Sonata, Fits 2001-2006 Hyundai Santa Fe, Fits 2001-2006 Kia Optima, Fits 2003-2008 Hyundai Tiburon, Fits 2005-2009 Hyundai Tucson, and Fits 2005-2010 Kia Sportage. Confirm the original part number and clear any stored diagnostic trouble codes after replacement.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to OEM-level standards and supports production with in-house engineering and technical resources. The company is ISO 9001 and IATF 16949 certified, reflecting controlled manufacturing and quality management practices.