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Bosch 15504 Oxygen Sensor - Upstream or Upstream Right
| Brand | Bosch 15504 |
|---|---|
| Position | Upstream Right |
| Product line | Bosch Engineered Oxygen Sensor |
| Fits | Dodge · 77 vehicles |
Standard replacement. Direct-fit oxygen sensor for straightforward installation.
Heated narrow-band design. Delivers faster closed-loop response and stable combustion control.
Bosch Engineered line. Built on decades of OE development and proven sensor expertise.
Cross-references Mopar 56041698AA for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Bosch Oxygen Sensor 15504 Overview
Bosch Engineered Oxygen Sensor 15504 is a narrow-band heated oxygen sensor built for precise air-fuel ratio feedback to the ECU. It supports stable combustion control and emissions management across changing operating conditions, making it a direct-fit replacement for select Ram, Dodge, Chrysler, Mercedes-Benz, Jeep, and Volkswagen applications.
As part of the Bosch Engineered Oxygen Sensor line, this sensor reflects Bosch’s OE development history in oxygen sensing, including faster sensor response, improved lambda accuracy, and reliable closed-loop operation. The Bosch 15504 uses a threaded mounting design, a rectangular connector, and a 4-wire harness for specific-fit installation.
Key Features
- Part number: 15504
- Narrow-band heated oxygen sensor for precise exhaust feedback
- Specific-fit design with included wiring harness
- 4-wire configuration with 4 terminals
- Rectangular male connector with female terminals
- Threaded mount with 18 mm thread size and 22 mm hex size
- Standard replacement grade for OE-style service work
- Metal housing built for high-temperature and vibration exposure
Product Details
Bosch 15504 is engineered to measure oxygen content in the exhaust stream and send accurate signals to the engine control unit. That feedback helps the ECU maintain the correct air-fuel mixture during warm-up, cruise, and closed-loop operation. The heated narrow-band design supports quicker light-off and faster sensor activity after startup, which is important for emissions control and drivability on vehicles such as Ram 1500, Ram 2500, Dodge Charger, and Chrysler 300 applications.
This part cross-references Mopar 56041698AA for the same application. It is a direct replacement choice for vehicles including 2023-2024 Ram 1500 Classic, 2022-2023 Chrysler 300, 2021-2023 Dodge Charger, and 2014-2018 Ram 2500 and Ram 3500 configurations listed below.
What It Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel ratio feedback to the ECU
- Rough idle or inconsistent combustion control
- Emissions test failure caused by sensor degradation
- Slow sensor response during closed-loop operation
Installation Notes
Verify the connector shape, wire count, thread diameter, and sensor position before installation. This Bosch 15504 uses a threaded mount and a 12-inch sealing-surface-to-connector length, so routing should match the original layout. Confirm the vehicle’s upstream or downstream location exactly as listed for your application, including left or right side where specified.
Compatible With: 2023-2024 Ram 1500 Classic, upstream left; 2022-2023 Chrysler 300, downstream right; 2021-2023 Dodge Charger, downstream right; 2020 Dodge Charger, upstream right; 2019-2020 Ram 2500, upstream right; 2019-2020 Ram 3500, upstream right; 2017-2018 Mercedes-Benz CLS550, downstream right; 2014-2018 Ram 2500, upstream left; 2014-2018 Ram 3500, upstream left; 2015 Mercedes-Benz GL450, downstream left; 2015 Mercedes-Benz ML400, downstream left; 2011-2014 Volkswagen Routan, upstream; 2005 Dodge Ram 1500, upstream left; 2004 Dodge Dakota, upstream; 2004 Dodge Durango, upstream; 2004 Dodge Ram 1500, upstream; 2004 Dodge Ram 2500, upstream; 2004 Dodge Ram 3500, upstream; 2004 Jeep Grand Cherokee, upstream; 2004 Jeep Liberty, upstream; 2004 Jeep TJ, upstream; 2004 Jeep Wrangler, upstream; 2001-2003 Dodge Dakota, upstream right; 2001-2003 Dodge Durango, upstream right; 2003 Dodge Ram 1500, upstream; 2003 Dodge Ram 2500, upstream; 2003 Dodge Ram 3500, upstream; 2001-2002 Dodge Ram 1500, upstream; 2001-2002 Dodge Ram 1500 Van, upstream; 2001-2002 Dodge Ram 2500, upstream; 2001-2002 Dodge Ram 2500 Van, upstream; 2001-2002 Dodge Ram 3500, upstream; 2001-2002 Dodge Ram 3500 Van, upstream.
Quality Assurance
Bosch backs this oxygen sensor with more than five decades of OE development in oxygen sensing technology. The sensor is built with advanced ceramic elements, optimized heater control, and high-temperature-resistant materials to support consistent operation in demanding exhaust environments.
| Year | Make | Model | Submodel | Body Type | Drive Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | Ram | 1500 Classic | — | — | — | — | 3.6L | V6 | Upstream Left | OE Quality Oxygen Sensor |
| 2023 | Chrysler | 300 | — | — | — | — | 5.7L | V8 | Downstream Right | OE Quality Oxygen Sensor |
| 2023 | Dodge | Charger | — | — | — | — | 5.7L | V8 | Downstream Right | OE Quality Oxygen Sensor |
| 2023 | Ram | 1500 Classic | — | — | — | — | 3.6L | V6 | Upstream Left | OE Quality Oxygen Sensor |
| 2022 | Chrysler | 300 | — | — | — | — | 5.7L | V8 | Downstream Right | OE Quality Oxygen Sensor |
| 2022 | Dodge | Charger | — | — | — | — | 5.7L | V8 | Downstream Right | OE Quality Oxygen Sensor |
| 2021 | Dodge | Charger | — | — | — | — | 5.7L | V8 | Downstream Right | OE Quality Oxygen Sensor |
| 2020 | Dodge | Charger | R/T | — | — | — | 5.7L | V8 | Upstream Right | OE Quality Oxygen Sensor |
| 2020 | Ram | 2500 | — | — | — | — | 6.4L | V8 | Upstream Right | OE Quality Oxygen Sensor |
| 2020 | Ram | 3500 | — | — | — | — | 6.4L | V8 | Upstream Right | OE Quality Oxygen Sensor |
| 2019 | Ram | 2500 | — | — | — | — | 6.4L | V8 | Upstream Right | OE Quality Oxygen Sensor |
| 2019 | Ram | 3500 | — | — | — | — | 6.4L | V8 | Upstream Right | OE Quality Oxygen Sensor |
| 2018 | Mercedes-Benz | CLS550 | — | — | AWD | — | 4.7L | V8 | Downstream Right | OE Quality Oxygen Sensor |
| 2018 | Ram | 2500 | — | — | — | — | 6.4L | V8 | Upstream Left | OE Quality Oxygen Sensor |
| 2018 | Ram | 3500 | — | — | — | — | 6.4L | V8 | Upstream Left | OE Quality Oxygen Sensor |
| 2017 | Mercedes-Benz | CLS550 | — | — | — | — | 4.7L | V8 | Downstream Right | OE Quality Oxygen Sensor |
| 2017 | Ram | 2500 | — | — | — | — | 6.4L | V8 | Upstream Left | OE Quality Oxygen Sensor |
| 2017 | Ram | 3500 | — | — | — | — | 6.4L | V8 | Upstream Left | OE Quality Oxygen Sensor |
| 2016 | Ram | 2500 | — | — | — | — | 6.4L | V8 | Upstream Left | OE Quality Oxygen Sensor |
| 2016 | Ram | 3500 | — | — | — | — | 6.4L | V8 | Upstream Left | OE Quality Oxygen Sensor |
| 2015 | Mercedes-Benz | GL450 | — | — | — | — | 3.0L | V6 | Downstream Left | OE Quality Oxygen Sensor |
| 2015 | Mercedes-Benz | ML400 | — | — | — | — | 3.0L | V6 | Downstream Left | OE Quality Oxygen Sensor |
| 2015 | Ram | 2500 | — | — | — | — | 6.4L | V8 | Upstream Left | OE Quality Oxygen Sensor |
| 2015 | Ram | 3500 | — | — | — | — | 6.4L | V8 | Upstream Left | OE Quality Oxygen Sensor |
| 2014 | Ram | 2500 | — | — | — | — | 6.4L | V8 | Upstream Left | OE Quality Oxygen Sensor |
| 2014 | Ram | 3500 | — | — | — | — | 6.4L | V8 | Upstream Left | OE Quality Oxygen Sensor |
| 2014 | Volkswagen | Routan | — | — | — | — | 3.6L | V6 | Upstream | OE Quality Oxygen Sensor |
| 2013 | Volkswagen | Routan | — | — | — | — | 3.6L | V6 | Upstream | OE Quality Oxygen Sensor |
| 2012 | Volkswagen | Routan | — | — | — | — | 3.6L | V6 | Upstream | OE Quality Oxygen Sensor |
| 2011 | Volkswagen | Routan | — | — | — | — | 3.6L | V6 | Upstream | OE Quality Oxygen Sensor |
| 2005 | Dodge | Ram 1500 | — | — | — | — | 8.3L | V10 | Upstream Left | OE Quality Oxygen Sensor |
| 2004 | Dodge | Dakota | — | — | — | — | 3.7L | V6 | Upstream | OE Quality Oxygen Sensor |
| 2004 | Dodge | Durango | — | — | — | — | 5.7L | V8 | Upstream | OE Quality Oxygen Sensor |
| 2004 | Dodge | Ram 1500 | — | — | — | — | 5.7L | V8 | Upstream | OE Quality Oxygen Sensor |
| 2004 | Dodge | Ram 2500 | — | — | — | — | 5.7L | V8 | Upstream | OE Quality Oxygen Sensor |
| 2004 | Dodge | Ram 3500 | — | — | — | — | 5.7L | V8 | Upstream | OE Quality Oxygen Sensor |
| 2004 | Jeep | Grand Cherokee | — | — | — | — | 4.0L | L6 | Upstream | OE Quality Oxygen Sensor |
| 2004 | Jeep | Liberty | — | — | — | — | 3.7L | V6 | Upstream | OE Quality Oxygen Sensor |
| 2004 | Jeep | TJ | — | — | — | — | 4.0L | L6 | Upstream | OE Quality Oxygen Sensor |
| 2004 | Jeep | Wrangler | — | — | — | — | 4.0L | L6 | Upstream | OE Quality Oxygen Sensor |
| 2003 | Dodge | Dakota | — | Crew Cab Pickup | — | — | 3.9L | V6 | Upstream Right | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2003 | Dodge | Dakota | — | Crew Cab Pickup | — | — | 5.9L | V8 | Upstream Right | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2003 | Dodge | Dakota | — | Standard Cab Pickup | — | — | 5.9L | V8 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2003 | Dodge | Dakota | — | Standard Cab Pickup | — | — | 3.9L | V6 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2003 | Dodge | Dakota | — | Extended Cab Pickup | — | — | 5.9L | V8 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2003 | Dodge | Dakota | — | Extended Cab Pickup | — | — | 3.9L | V6 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2003 | Dodge | Durango | — | — | — | — | 5.9L | V8 | Upstream Right | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2003 | Dodge | Ram 1500 | — | — | — | — | 5.7L | V8 | Upstream | Bosch Engineered Oxygen Sensor |
| 2003 | Dodge | Ram 2500 | — | — | — | — | 5.7L | V8 | Upstream | Bosch Engineered Oxygen Sensor |
| 2003 | Dodge | Ram 3500 | — | — | — | — | 5.7L | V8 | Upstream | Bosch Engineered Oxygen Sensor |
| 2003 | Dodge | Ram 3500 | — | — | — | — | 8.0L | V10 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Dakota | — | Crew Cab Pickup | — | — | 5.9L | V8 | Upstream Right | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Dakota | — | Standard Cab Pickup | — | — | 3.9L | V6 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Dakota | — | Crew Cab Pickup | — | — | 3.9L | V6 | Upstream Right | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Dakota | — | Standard Cab Pickup | — | — | 5.9L | V8 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Dakota | — | Extended Cab Pickup | — | — | 5.9L | V8 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Dakota | — | Extended Cab Pickup | — | — | 3.9L | V6 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Durango | — | — | — | — | 5.9L | V8 | Upstream Right | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Ram 1500 | — | — | — | — | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Ram 1500 Van | — | — | — | — | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Ram 2500 | — | — | — | Automatic | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Ram 2500 Van | — | — | — | — | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Ram 3500 | — | — | — | Automatic | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2002 | Dodge | Ram 3500 Van | — | — | — | — | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Dakota | — | Extended Cab Pickup | — | — | 3.9L | V6 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Dakota | — | Standard Cab Pickup | — | — | 3.9L | V6 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Dakota | — | Standard Cab Pickup | — | — | 5.9L | V8 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Dakota | — | Extended Cab Pickup | — | — | 5.9L | V8 | Upstream Right | Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Dakota | — | Crew Cab Pickup | — | — | 3.9L | V6 | Upstream Right | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Dakota | — | Crew Cab Pickup | — | — | 5.9L | V8 | Upstream Right | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Durango | — | — | — | — | 5.9L | V8 | Upstream Right | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Ram 1500 | — | — | — | Automatic | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Ram 1500 Van | — | — | — | — | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Ram 2500 | — | — | — | Automatic | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Ram 2500 Van | — | — | — | — | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Ram 3500 | — | — | — | Automatic | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
| 2001 | Dodge | Ram 3500 Van | — | — | — | — | 5.9L | V8 | Upstream | with California Emission System; Bosch Engineered Oxygen Sensor |
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