Discount Auto Parts and Accessories Auto Parts Since 2008
Call To Order: 1-800-541-9352

2004 Mazda RX8 Oxygen Sensor

Review Fitment Notes

Low Cost From $40.43 to $149.58

Showing 14 of 14 Results
Bosch Oxygen Sensor - Downstream 8610-05591282 Click to Enlarge
4.8 Stars
Bosch 15740
Oxygen Sensor
Loading Reviews...
Bosch Oxygen Sensor - Downstream
Part Number: 8610-05591282
Brand: Bosch
Notes: Universal Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
Position: Downstream
Condition: New
Shipping Options: Ground
$40.43
(58) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Mazda RX8 1.3L Rotary
Bosch Oxygen Sensor - Downstream 8610-05267077 Click to Enlarge
Website Reviews
Loading Reviews...
Bosch Oxygen Sensor - Downstream
Part Number: 8610-05267077
Brand: Bosch
Notes: Validated Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Downstream
Condition: New
Shipping Options: Ground
$90.43
(3) In Stock
This Part Fits:
Catalog: B
Vehicle Engine Transmission
2004 Mazda RX8 1.3L Rotary Automatic
Bosch Oxygen Sensor - Downstream 8610-05081119 Click to Enlarge
Website Reviews
Loading Reviews...
Bosch Oxygen Sensor - Downstream
Part Number: 8610-05081119
Brand: Bosch
Notes: Validated Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Downstream
Condition: New
Shipping Options: Ground
$79.43
(4) In Stock
This Part Fits:
Catalog: B
Vehicle Engine Transmission
2004 Mazda RX8 1.3L Rotary Manual
Denso Oxygen Sensor - Downstream W0133-1938351 Click to Enlarge
Website Reviews
Loading Reviews...
Denso Oxygen Sensor - Downstream
Part Number: W0133-1938351
Brand: Denso
Notes: OE Connector
Detailed Notes: May also be referred to as a Air Fuel Ratio Sensor.
  • SUPERIOR DESIGN - Maximizes engine performance and fuel efficiency while reducing harmful emissions.
  • DOUBLE-PROTECTION COVER - Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
  • ALUMINUM-OXIDE TRAP LAYER - Keeps silicone and lead outside the ceramic element through DENSO's exclusive design, preventing damage to the platinum electrode.
  • STAINLESS STEEL HOUSING - Resists corrosion and contamination with
Position: Downstream
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$241.95
Our Price: $149.58
(4) In Stock
This Part Fits:
Catalog: A
Vehicle Transmission
2004 Mazda RX8 Automatic
2004 Mazda RX8 Manual
Denso Oxygen Sensor - Downstream 8610-05169377 Click to Enlarge
5 Stars
Denso 234-4349
Oxygen Sensor
Loading Reviews...
Denso Oxygen Sensor - Downstream
Part Number: 8610-05169377
Brand: Denso
Notes: OE Style -- DENSO is the O.E. Manufacturer / Oxygen Sensor
Position: Downstream
Condition: New
Sensor Type: Heated
Shipping Options: Ground
$86.43
(9) In Stock
This Part Fits:
Catalog: B
Vehicle
2004 Mazda RX8
DIY Solutions Oxygen Sensor - Downstream 8610-07954537 Click to Enlarge
Website Reviews
Loading Reviews...
DIY Solutions Oxygen Sensor - Downstream
Part Number: 8610-07954537
Brand: DIY Solutions
Notes: Oxygen Sensor -- Downstream
  • Quality Tested - built to a strict level of product standards.
  • Direct Fit Replacement
Position: Downstream
Condition: New
Shipping Options: Free Ground Shipping
$89.95
with FREE Shipping
(2) In Stock
This Part Fits:
Catalog: Q
Vehicle
2004 Mazda RX8
Walker Oxygen Sensor - Upstream 8610-05733846 Click to Enlarge
Website Reviews
Loading Reviews...
Walker Oxygen Sensor - Upstream
Part Number: 8610-05733846
Brand: Walker
Notes: Aftermarket -- B1S1
  • Designed to meet or exceed OE specifications in form, fit and function. Global coverage for import and/or domestic applications. Direct fit replacement. Performance meets or exceeds OE performance. Increase fuel economy and lower emissions
Position: Upstream
Condition: New
Shipping Options: Ground
$116.43
(22) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Mazda RX8 1.3L Rotary FI Naturally Aspirated GAS
Walker Oxygen Sensor - Downstream 8610-05733269 Click to Enlarge
Website Reviews
Loading Reviews...
Walker Oxygen Sensor - Downstream
Part Number: 8610-05733269
Brand: Walker
Notes: Aftermarket -- B1S2
  • Designed to meet or exceed OE specifications in form, fit and function. Global coverage for import and/or domestic applications. Direct fit replacement. Performance meets or exceeds OE performance. Increase fuel economy and lower emissions
Position: Downstream
Condition: New
Shipping Options: Ground
$60.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Mazda RX8 1.3L Rotary FI Naturally Aspirated GAS
Walker Oxygen Sensor - Upstream 8610-05239401 Click to Enlarge
Website Reviews
Loading Reviews...
Walker Oxygen Sensor - Upstream
Part Number: 8610-05239401
Brand: Walker
Notes: OE -- B1S1
  • Designed to meet or exceed OE specifications in form, fit and function. Global coverage for import and/or domestic applications. Direct fit replacement. Performance meets or exceeds OE performance. Increase fuel economy and lower emissions
Position: Upstream
Condition: New
Shipping Options: Ground
$111.43
(21) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Mazda RX8 1.3L Rotary FI Naturally Aspirated GAS
Walker Oxygen Sensor - Downstream 8610-05239075 Click to Enlarge
Website Reviews
Loading Reviews...
Walker Oxygen Sensor - Downstream
Part Number: 8610-05239075
Brand: Walker
Notes: OE -- B1S2
  • Designed to meet or exceed OE specifications in form, fit and function. Global coverage for import and/or domestic applications. Direct fit replacement. Performance meets or exceeds OE performance. Increase fuel economy and lower emissions
Position: Downstream
Condition: New
Shipping Options: Ground
$70.43
(5) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Mazda RX8 1.3L Rotary FI Naturally Aspirated GAS
Beck Arnley Oxygen Sensor 8610-05147744 Click to Enlarge
Website Reviews
Loading Reviews...
Beck Arnley Oxygen Sensor
Part Number: 8610-05147744
Brand: Beck Arnley
Notes: Oxygen Sensor -- DIRECT FIT,Post Catalytic Converter
Condition: New
Shipping Options: Ground
$90.43
(1) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Mazda RX8 1.3L Rotary
Delphi Oxygen Sensor - Rear 8610-05167949 Click to Enlarge
Website Reviews
Loading Reviews...
Delphi Oxygen Sensor - Rear
Part Number: 8610-05167949
Brand: Delphi
Notes: Oxygen Sensor
  • 100 years of OE experience, supplier to the world's top automakers, OE Heritage and knowledge built into every aftermarket part.
  • Smart design consolidates SKUs without using long wires
  • Delphi planar technology covers older, conical design sensors
  • Patented protective sensor coating helps prevent contamination
  • OE tested to 150,000 miles, plus 2,000 hours severe thermal testing
  • Validated for all fuel types, including ethanol blends like E85
  • Delphi is a global OE manufacturer for oxygen sensor and all oxygen sensors are built to Delphi's OE standards
Position: Rear
Condition: New
Position(s): Front, Rear. For the position specific to your vehicle, refer to the Application tab.
Shipping Options: Ground
$122.43
(11) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Mazda RX8 1.3L Rotary
Delphi Oxygen Sensor - Front 8610-05167949 Click to Enlarge
Website Reviews
Loading Reviews...
Delphi Oxygen Sensor - Front
Part Number: 8610-05167949
Brand: Delphi
Notes: Oxygen Sensor
  • 100 years of OE experience, supplier to the world's top automakers, OE Heritage and knowledge built into every aftermarket part.
  • Smart design consolidates SKUs without using long wires
  • Delphi planar technology covers older, conical design sensors
  • Patented protective sensor coating helps prevent contamination
  • OE tested to 150,000 miles, plus 2,000 hours severe thermal testing
  • Validated for all fuel types, including ethanol blends like E85
  • Delphi is a global OE manufacturer for oxygen sensor and all oxygen sensors are built to Delphi's OE standards
Position: Front
Condition: New
Position(s): Front, Rear. For the position specific to your vehicle, refer to the Application tab.
Shipping Options: Ground
$122.43
(11) In Stock
This Part Fits:
Catalog: B
Vehicle Engine Transmission
2004 Mazda RX8 1.3L Rotary Manual
NGK Oxygen Sensor - Downstream 8610-09127087 Click to Enlarge
Website Reviews
Loading Reviews...
NGK Oxygen Sensor - Downstream
Part Number: 8610-09127087
Brand: NGK
Notes: Direct Fit Oxygen Sensor -- B1S2; OE Equivalent Design
  • NTK oxygen sensors heat up rapidly to meet requirements of the vehicle to improve fuel economy and reduce emissions. NTK's proprietary ceramic element overcoat protects against sensor failure.
  • NTK oxygen sensors are equipped with OEM specified connectors and attaching hardware for easy installation. Dual-coated platinum element to increase longevity and ensure the quickest response time.
  • NTK is constantly improving sensor designs to provide excellent performance and improve resistance to failure. NTK works with their OEM manufacturers through each phase of development from concept to production.
Position: Downstream
Condition: New
Shipping Options: Ground
$108.08
(5) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
2004 Mazda RX8 1.3L Rotary

Oxygen Sensor Reviews - 2004 Mazda RX8

Denso | 234-4349

The item was exactly like the one in the car or even better. The fitment was even better then the factory one.

July 12th, 2014 | Posted by Denso O2 Sensor
Walker Products Inc. | W0133-1893930

Ordered the 02 censor for my rx8 and I am satisfied with the 3day delivery

May 23rd, 2014 | Posted by Manny
Denso | 234-4349

Great product reasonable price and very quick shipping great experience would recommend partsgeek to any of my buddies!

March 17th, 2017 | Posted by O2 Sensor
Walker Products Inc. | W0133-1893930

The parts I purchased from your company saved me almost $200 from the cost that my local o'reilly's was asking. The parts were shipped very quickly and it was a great deal with the free shipping. Thank you and I will use your company from now on for purchases for my vehicles.

July 5th, 2013 | Posted by Ticia
Walker | 250-54031

Best price and quality I found for a direct replacement of upstream (before cat) O2 sensor. Had in car for a few weeks no issues.

March 30th, 2015 | Posted by Rx8 upstream O2 sensor
Denso | 234-4349

I bought this item amd it's Great and high quality.

January 4th, 2017 | Posted by Partsgeek is the best