HomeEmission Control > SensorsDenso 234-4850 Oxygen Sensor - Downstream or Downstream Right
Part #: 234-4850

Denso 234-4850 Oxygen Sensor - Downstream or Downstream Right

OE Style, Downstream
⚙️ 11 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$84.98Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Downstream
🚗Fitment: Volkswagen, Beetle, Touareg, and Jetta
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso OE Style Oxygen Sensor 234-4850

The Denso OE Style Oxygen Sensor 234-4850 is designed specifically for Volkswagen vehicles including the Beetle, Jetta, and Touareg. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

  • Heated sensor type for faster response times
  • Specific fit for Volkswagen Beetle, Jetta, and Touareg models
  • Threaded mounting type with 0.708 inch thread diameter
  • Four-wire design with male connector for secure connection
  • Wiring harness length of 20.08 inches for proper installation

Detailed Product Features and Specifications

The Denso 234-4850 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with Volkswagen Beetle, Jetta, and Touareg models, providing a direct replacement without modification. The sensor includes a threaded mounting type with a 0.708 inch thread diameter, making installation straightforward. The four-wire configuration and male connector guarantee a reliable electrical connection, while the 20.08-inch wiring harness length offers flexibility during installation.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications for fit, form, and function. This oxygen sensor is engineered to match the performance and durability standards of the original sensor installed on Volkswagen vehicles. Choosing the OE Style 234-4850 ensures consistent operation and compliance with emissions requirements.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture control
  • Resolves engine performance issues related to faulty oxygen sensors
  • Helps reduce emissions and pass vehicle inspections
  • Eliminates rough idling and poor fuel economy caused by sensor failure
  • Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Denso 234-4850 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 0.708 inch threaded sensor to prevent damage. Verify the wiring harness length of 20.08 inches is sufficient for your specific Volkswagen model. Confirm the male connector aligns properly with the vehicle’s wiring harness for a secure fit. It is recommended to apply anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Denso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure reliability and durability. The OE Style 234-4850 part number is backed by Denso’s quality assurance processes. Please refer to Denso’s official warranty policy for specific coverage details.

BrandDenso
Part Number234-4850
PositionOE Style, Downstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length20.08

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2010VolkswagenBeetleDownstreamLoc. In Catalyst; OE Style
2009VolkswagenBeetleDownstreamLoc. In Catalyst; OE Style
2008VolkswagenBeetleDownstreamLoc. In Catalyst; OE Style
2007VolkswagenBeetleDownstreamLoc. In Catalyst; OE Style
2006VolkswagenBeetleDownstreamLoc. In Catalyst; OE Style
2006VolkswagenTouaregDownstream RightOE Style
2005VolkswagenBeetleDownstreamw/ 20" Downstream Sensor; OE Style
2005VolkswagenJettaDownstreamLoc. In Catalyst; OE Style
2005VolkswagenTouaregDownstream RightOE Style
2004VolkswagenJettaDownstreamLoc. In Catalyst; OE Style
2004VolkswagenTouaregDownstream RightOE Style

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

213-3044213-3130

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.