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Part #: 13777

Bosch 13777 Oxygen Sensor - Downstream Rear

Bosch Validated Oxygen Sensor, Downstream Rear
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Bosch Validated Oxygen Sensor, Downstream Rear
🚗Fitment: Acura, TL
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandBosch
Part Number13777
PositionBosch Validated Oxygen Sensor, Downstream Rear
Wiring Harness Length19
Terminal TypeBlade
Universal Or Specific FitSpecific
Wire Quantity4
Grade TypeStandard replacement
Connector ShapeRectangle
Terminal Quantity4
Connector GenderMale
Terminal GenderMale
Overall Length22.4
Mounting TypeThreaded
Automotive Color / FinishSteel
Automotive Item Weight (lbs)0.308647 lb
Heated (Oxygen Sensor)Yes
Hex Size (Oxygen Sensor)22 mm
Housing MaterialMetal
Length (Sealing Surface To End Of Connector)21.3 in
Mounting Bracket IncludedNo
Oxygen Sensor TypeNarrow-band heated
Sensor TypeNarrow-band
Thread Diameter (Oxygen Sensor)18 mm
Thread Size18
Wiring Harness IncludedYes

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008AcuraTL3.5LV6Downstream RearBosch Validated Oxygen Sensor
2008AcuraTL3.2LV6Downstream RearBosch Validated Oxygen Sensor
2007AcuraTL3.2LV6Downstream RearBosch Validated Oxygen Sensor
2007AcuraTL3.5LV6Downstream RearBosch 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:

36542RDAA01

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