Denso 234-4693 Oxygen Sensor - Downstream

Denso OE Style Oxygen Sensor 234-4693

Denso 234-4693 is an OE Style heated oxygen sensor built for exact replacement and first-time fit. It is engineered for downstream use on select Hyundai applications, including Hyundai Tiburon, Hyundai Elantra, and Hyundai Accent models listed below.

The OE Style line focuses on direct-fit replacement parts that match factory specifications. For Hyundai Tiburon downstream oxygen sensor replacement, Hyundai Elantra downstream oxygen sensor replacement, or Hyundai Accent downstream oxygen sensor replacement, this sensor is built to align with the original mounting and connector style.

Key Features

• Heated oxygen sensor for downstream exhaust monitoring
• Specific-fit design for direct replacement
• 4-wire configuration with male connector
• Threaded mounting type with 0.708 in. thread diameter
• Wiring harness length: 16.14 in.
• Denso OE Style construction for factory-style fit and function
• Aluminum oxide trap layer helps protect the ceramic element from silicone and lead contamination

Product Details

This Denso oxygen sensor is manufactured and tested to OE standards for precise replacement performance. The heated design helps the sensor reach operating temperature efficiently, while the specific-fit layout supports proper installation on the listed Hyundai downstream positions. Part number 234-4693 is also cross-referenced to Bosch 13394 for the same application.

Compatible With 1998-2001 Hyundai Tiburon, downstream; 1998-2000 Hyundai Elantra, downstream; 1998-1999 Hyundai Accent, downstream; and 1997 Hyundai Accent, downstream from 05/01/97. Denso 234-4693 is a direct-fit option for drivers replacing a worn or failing downstream sensor on these vehicles.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel feedback from a degraded downstream sensor
• Reduced fuel economy caused by inaccurate exhaust readings
• Emissions test failures tied to sensor response issues
• Rougher engine operation when the exhaust monitoring system is not functioning correctly

Installation Notes

Verify the connector, thread size, and downstream location before installation. Use the vehicle application data to confirm the correct Hyundai Tiburon, Hyundai Elantra, or Hyundai Accent fitment for your model year. Inspect the harness routing and exhaust threads during replacement to ensure the sensor seats properly and the wiring is kept clear of heat sources.

Quality Assurance

Denso manufactures this OE Style oxygen sensor to strict original-equipment standards and tests each component for replacement accuracy and fit. The design includes contamination protection for the sensing element, supporting long-term durability in demanding exhaust conditions.