O2 Sensor Pair 2X for Upstream & Downstream Toyota 4Runner 1999

Includes: - 2X O2 Sensor

Fits Models: - Toyota 4Runner

Model Years: - 1999

Submodels: - Limited, SR5, 4WD, 2WD, N120

Engine Options: - 3.4L V6 (5VZ-FE)

Description: This O2 sensor set is designed for the 1999 Toyota 4Runner, providing both upstream and downstream sensors to ensure optimal engine performance and emissions control. These sensors monitor the exhaust gases and send data to the engine control unit, helping to maintain fuel efficiency and reduce harmful emissions.

Features: - Direct fit for 1999 Toyota 4Runner - Includes both upstream and downstream sensors - Enhances fuel efficiency and reduces emissions - Durable construction for long-lasting performance - Easy installation with no modifications required

Part Number: Not specified