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Bosch 13777 Oxygen Sensor - Downstream Rear
Reliable Oxygen Sensor for Acura TL Emission Control
The Bosch Validated Oxygen Sensor 13777 is designed specifically for Acura TL models, providing precise air-fuel mixture readings to optimize engine performance and reduce emissions. This narrow-band heated oxygen sensor ensures accurate feedback to your vehicle's engine control unit for efficient combustion.
Key Features of Bosch Oxygen Sensor 13777
- Specific fit for Acura TL for precise compatibility
- Narrow-band heated sensor type for accurate oxygen level detection
- Threaded mounting type with 18 mm thread diameter and 22 mm hex size for secure installation
- Includes a 19-inch wiring harness with 4 wires and blade terminals
- Durable metal housing finished in steel for long-lasting performance
- Connector features a rectangular shape with male gender terminals
- Overall length of 22.4 inches and wiring harness length of 19 inches
Detailed Description of Bosch Validated Oxygen Sensor
The Bosch Validated Oxygen Sensor 13777 is engineered to meet the emission control requirements of Acura TL vehicles. This standard replacement sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level readings. The sensor’s metal housing and threaded mounting ensure durability and a secure fit. With a 4-wire configuration and a 19-inch wiring harness, it connects seamlessly to the vehicle’s existing system using blade-type terminals and a rectangular male connector. The sensor’s overall length of 22.4 inches and sealing surface to connector length of 21.3 inches are optimized for proper installation and reliable operation.
Applications and Common Issues Addressed
- Helps resolve poor fuel economy caused by incorrect air-fuel mixture
- Reduces engine misfires and rough idling related to faulty oxygen sensors
- Assists in lowering harmful emissions to meet regulatory standards
- Prevents check engine light triggers related to oxygen sensor faults
- Supports optimal engine performance and smoother acceleration
Installation Notes and Tips
When installing the Bosch Validated Oxygen Sensor 13777 on an Acura TL, ensure the threaded sensor is tightened to the manufacturer’s torque specifications using a 22 mm hex socket. Verify the wiring harness length and connector type match the vehicle’s harness to avoid connection issues. The sensor’s heated design requires proper electrical connections for optimal function, so inspect terminals for corrosion or damage before installation.
Quality Assurance and Warranty
Bosch is a recognized name in automotive components, and the Bosch Validated Oxygen Sensor line is designed to meet OEM standards for fit and function. This oxygen sensor undergoes rigorous testing to ensure reliability and durability in emission control applications. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed warranties to support quality assurance.
| Brand | Bosch |
| Part Number | 13777 |
| Position | Bosch Validated Oxygen Sensor, Downstream Rear |
| Wiring Harness Length | 19 |
| Terminal Type | Blade |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Grade Type | Standard replacement |
| Connector Shape | Rectangle |
| Terminal Quantity | 4 |
| Connector Gender | Male |
| Terminal Gender | Male |
| Overall Length | 22.4 |
| Mounting Type | Threaded |
| Automotive Color / Finish | Steel |
| Automotive Item Weight (lbs) | 0.308647 lb |
| Heated (Oxygen Sensor) | Yes |
| Hex Size (Oxygen Sensor) | 22 mm |
| Housing Material | Metal |
| Length (Sealing Surface To End Of Connector) | 21.3 in |
| Mounting Bracket Included | No |
| Oxygen Sensor Type | Narrow-band heated |
| Sensor Type | Narrow-band |
| Thread Diameter (Oxygen Sensor) | 18 mm |
| Thread Size | 18 |
| Wiring Harness Included | Yes |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Acura | TL | 3.5L | V6 | Downstream Rear | Bosch Validated Oxygen Sensor |
| 2008 | Acura | TL | 3.2L | V6 | Downstream Rear | Bosch Validated Oxygen Sensor |
| 2007 | Acura | TL | 3.2L | V6 | Downstream Rear | Bosch Validated Oxygen Sensor |
| 2007 | Acura | TL | 3.5L | V6 | Downstream Rear | Bosch Validated Oxygen Sensor |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.