Denso 234-4216 Oxygen Sensor - Upstream

Denso OE Style Oxygen Sensor 234-4216

Denso 234-4216 is an OE Style heated oxygen sensor built for exact replacement and first-time fit. It is engineered for specific applications on Chrysler Town & Country, Chrysler Voyager, Dodge Caravan, and Dodge Grand Caravan models with upstream placement.

The OE Style line focuses on direct-fit replacement parts that match factory requirements. This Denso oxygen sensor uses a threaded mounting design, a female connector, 4 wires, and a 14.96-inch wiring harness length for a precise installation on the listed vehicles.

Key Features

• Heated oxygen sensor for upstream exhaust monitoring
• Specific-fit design for direct replacement on listed Chrysler and Dodge applications
• Threaded mounting type with 0.708-inch thread diameter
• Female connector with 4-wire configuration
• 14.96-inch wiring harness length for factory-style routing
• Built to OE standards for accurate fit and dependable sensor response
• Part number 234-4216 for easy identification and ordering

Product Details

Denso 234-4216 is part of the brand’s OE Style sensor line, which is focused on replacement parts that mirror original equipment fit and function. The sensor is manufactured and tested to OE-level standards and includes Denso’s aluminum oxide trap layer, which helps protect the ceramic element from silicone and lead contamination. That protection supports stable engine management, fuel control, and long service life in the specified applications. This part cross-references Bosch 13709 and NTK 23538 for the same application.

Fits 2001-2003 Chrysler Town & Country, upstream. Fits 2001-2003 Chrysler Voyager, upstream. Fits 2001-2003 Dodge Caravan, upstream. Fits 2001-2003 Dodge Grand Caravan, upstream. If you are searching for an upstream oxygen sensor for a 2001-2003 Chrysler Town & Country or a direct-fit oxygen sensor for a 2001-2003 Dodge Grand Caravan, Denso 234-4216 matches the listed OE-style applications.

What It Helps Address

• Check engine light caused by a failing upstream oxygen sensor
• Incorrect air-fuel feedback to the engine control system
• Reduced fuel economy from slow or inaccurate sensor response
• Rough idle or drivability issues tied to exhaust sensor faults
• Emissions test failures related to oxygen sensor performance

Installation Notes and Tips

Confirm the connector style, wire count, thread diameter, and upstream position before installation. This is a specific-fit sensor, so matching the vehicle year, make, model, and sensor location is important for proper installation. Inspect the harness routing and exhaust threads before fitting the new sensor, and verify the connector locks securely after installation.

Quality Assurance

Denso manufactures and tests this oxygen sensor to strict OE standards for direct replacement use. The OE Style design is intended to deliver the right fit for the listed Chrysler and Dodge applications, including 2001-2003 Chrysler Town & Country, Chrysler Voyager, Dodge Caravan, and Dodge Grand Caravan.