HomeEmission Control > SensorsBosch 13340 Oxygen Sensor - Downstream, Downstream Left or Upstream
Part #: 13340

Bosch 13340 Oxygen Sensor - Downstream, Downstream Left or Upstream

Bosch Engineered Oxygen Sensor, Downstream
⚙️ 19 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$83.28Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Bosch Engineered Oxygen Sensor, Downstream
🚗Fitment: Toyota, Sequoia, Tundra, Tacoma, and Pickup
🔄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 Toyota Pickup, Tacoma, Tundra, and Sequoia

The Bosch Engineered Oxygen Sensor 13340 is designed specifically for select Toyota models including the Pickup, Tacoma, Tundra, and Sequoia. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by precisely monitoring exhaust gases.

  • Specific fit for Toyota Pickup, Tacoma, Tundra, and Sequoia
  • Heated narrow-band oxygen sensor for improved response time
  • 12.4-inch wiring harness length with 4 wires and blade terminals
  • Durable metal housing with flange mounting type
  • Connector features a rectangular shape with male terminals
  • Standard replacement grade for reliable emissions control
  • Includes wiring harness and compatible with 18 mm thread diameter

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on precision and durability for emission control components. This product line is engineered to meet or exceed OEM specifications, providing a direct fit and reliable performance. The 13340 oxygen sensor is part of this line, offering a heated narrow-band sensor designed to maintain accurate air-fuel mixture readings for Toyota vehicles.

Product Details and Specifications

This Bosch oxygen sensor features a 12.4-inch wiring harness with four wires and blade-type terminals, ensuring secure electrical connections. The sensor’s metal housing and flange mounting type provide a sturdy installation. It has a 22 mm hex size for easy installation and removal, and the thread diameter is 18 mm, matching OEM requirements. The connector is rectangular with male terminals, designed for a specific fit rather than universal application. The sensor is heated to improve responsiveness and reduce warm-up time, which is critical for maintaining emissions compliance.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for Toyota Pickup, Tacoma, Tundra, and Sequoia
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing precise air-fuel ratio data
  • Helps reduce harmful emissions by ensuring proper catalytic converter function
  • Eliminates rough idling or poor engine performance caused by faulty sensors

Installation Notes and Tips

When installing the Bosch Engineered Oxygen Sensor 13340, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the wiring harness length and connector type match your vehicle’s specifications. The flange mounting type requires proper torque to avoid exhaust leaks. Since this is a specific fit sensor, confirm compatibility with your Toyota Pickup, Tacoma, Tundra, or Sequoia before installation.

Quality Assurance and Warranty

Bosch Engineered Oxygen Sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. This sensor is a standard replacement grade part designed to meet OEM specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship. Always refer to Bosch’s warranty policy for complete information.

This part fits 19 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersPositionNotes
2004ToyotaSequoiaRWD4.7LV8DownstreamBosch Engineered Oxygen Sensor
2004ToyotaTundraRWD4.7LV8Downstream LeftBosch Engineered Oxygen Sensor
2003ToyotaSequoiaRWD4.7LV8DownstreamBosch Engineered Oxygen Sensor
2003ToyotaTundraRWD4.7LV8Downstream LeftBosch Engineered Oxygen Sensor
2002ToyotaSequoiaRWD4.7LV8DownstreamBosch Engineered Oxygen Sensor
2001ToyotaSequoiaRWD4.7LV8DownstreamBosch Engineered Oxygen Sensor
2000ToyotaTacoma4WDManual3.4LV6Downstreamwithout California Emission System; Bosch Engineered Oxygen Sensor
2000ToyotaTacomaAutomatic2.4LL4UpstreamBosch Engineered Oxygen Sensor
2000ToyotaTundra3.4LV6Downstreamwithout California Emission System; Bosch Engineered Oxygen Sensor
1999ToyotaTacomaAutomatic2.4LL4UpstreamBosch Engineered Oxygen Sensor
1999ToyotaTacoma4WDManual3.4LV6DownstreamBosch Engineered Oxygen Sensor
1995ToyotaPickup4WD2.4LL4DownstreamShort Bed; USA Built; with California Emission System; Bosch Engineered Oxygen Sensor
1995ToyotaPickupRWD2.4LL4DownstreamUSA Built; with California Emission System; Bosch Engineered Oxygen Sensor
1995ToyotaPickup4WD3.0LV6Downstreamwith California Emission System; Bosch Engineered Oxygen Sensor
1994ToyotaPickup4WD3.0LV6Downstreamwith California Emission System; Bosch Engineered Oxygen Sensor
1994ToyotaPickupRWD2.4LL4DownstreamUSA Built; with California Emission System; Bosch Engineered Oxygen Sensor
1994ToyotaPickup4WD2.4LL4DownstreamShort Bed; USA Built; with California Emission System; Bosch Engineered Oxygen Sensor
1993ToyotaPickupRWD2.4LL4DownstreamUSA Built; with California Emission System; Bosch Engineered Oxygen Sensor
1993ToyotaPickup4WD2.4LL4DownstreamShort Bed; USA Built; with California Emission System; Bosch Engineered 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.