# NGK Toyota 4Runner 1989-1988 Direct Fit Oxygen Sensor

NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

-   ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning

This Part Fits:

Year

Make

Model

Submodel

1988-1989

Toyota

4Runner

DLX

1988-1989

Toyota

4Runner

SR5

1988

Toyota

Pickup

Base

1988

Toyota

Pickup

DLX

1988

Toyota

Pickup

SR5

## Details

- **Price:** 93.11 CAD
- **Vendor:** NGK
- **Type:** Oxygen Sensors

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 93.11 CAD | In stock |

## Images

- Photo - Primary
- Photo - Primary
- Photo - out of package
- Photo - out of package
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- Photo - out of package
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> Source: [Standard Auto Part](https://www.standardautopart.com/products/ngk-toyota-4runner-1989-1988-direct-fit-oxygen-sensor)
> Updated: 2026-06-28