My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

DENSO 234-9139 Air-Fuel Ratio Sensor Heated Direct Fit - 4-Wire

(1956-1957 Chevrolet Corvette Base; 2000-2005 Chevrolet Impala; 2006-2007 Subaru Impreza WRX/WRX Limited/WRX TR; 2015-2017 Subaru Outback + 4 more models)

Part of: DENSO Air-Fuel Ratio Sensor Heated Direct Fit

Other options in this family: DENSO 234-5113 DENSO 234-9042 DENSO 234-9009 DENSO 234-9123 DENSO 234-5010

Manufacturer

Picture for manufacturer DENSO

Part Number

234-9139
9 reviews
Sale Price

$170.66

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The DENSO 234-9139 is a precision-engineered air-fuel ratio sensor designed to monitor exhaust gas composition and optimize engine performance. This 4-wire heated sensor provides accurate real-time feedback to your vehicle's engine control module, ensuring proper fuel mixture for maximum efficiency, reduced emissions, and smooth operation.

Key Features:

  • Direct-fit design for exact OE replacement and first-time installation
  • 4-wire heated configuration for faster sensor activation and improved cold-start performance
  • 8.58-inch wire length for proper routing and connection
  • Manufactured and tested to strict OE standards for unmatched reliability
  • Precision-built components ensure accurate air-fuel ratio readings
  • Helps maintain optimal fuel economy and engine performance
  • Reduces harmful exhaust emissions

DENSO air-fuel ratio sensors are engineered with the same quality and precision as original equipment, ensuring dependable performance and long service life. Each sensor undergoes rigorous testing to meet or exceed OEM specifications, giving you confidence in accurate readings and proper engine management from installation through the life of the part.

Products specifications

Fits

1956-1957 Chevrolet Corvette Base; 2000-2005 Chevrolet Impala; 2006-2007 Subaru Impreza WRX/WRX Limited/WRX TR; 2015-2017 Subaru Outback; 2015-2016 Subaru Legacy; 2014-2021 Infiniti Q50; 2005-2016 Aston Martin DB9; 1994-1997 Audi Cabriolet Base

Sensor Type

Heated

Connector Gender

Male

Grade Type

Regular

Universal Or Specific Fit

Specific

Wire Quantity

4

Wiring Harness Length

8.58

Thread Diameter

0.708

Very easy to use Waiting for delivery Thanks

Easy to use.

Great

Good

very nice....quickbprocess and greatvprices

Buying was fine. Let's wait to see about fulfilling, shipping, and quality of order.

Great company..Great communication..Fast shipping. A+++++++++++++++.<br>Will do business again.

Easy. Best price anywhere.

Easy to search

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy