---
product_id: 70393231
title: "O2 Oxygen Sensor Compatible with Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, 2.7L 4.0L 5.7L, Upstream, 2-PC Set, Replace# ES20194-11B1"
brand: "a-premium"
price: "S$87"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/70393231-o2-oxygen-sensor-compatible-with-lexus-gs400-gx470-ls400-lx470
store_origin: SG
region: Singapore
---

# 2-piece set for full upstream replacement Threaded mount for secure fit 4-wire heated sensor O2 Oxygen Sensor Compatible with Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, 2.7L 4.0L 5.7L, Upstream, 2-PC Set, Replace# ES20194-11B1

**Brand:** a-premium
**Price:** S$87
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate your ride’s efficiency with precision oxygen sensing!

## Quick Answers

- **What is this?** O2 Oxygen Sensor Compatible with Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, 2.7L 4.0L 5.7L, Upstream, 2-PC Set, Replace# ES20194-11B1 by a-premium
- **How much does it cost?** S$87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/70393231-o2-oxygen-sensor-compatible-with-lexus-gs400-gx470-ls400-lx470)

## Best For

- a-premium enthusiasts

## Why This Product

- Trusted a-premium brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Confidence with Coverage:** Backed by 1-year unlimited mileage warranty for peace of mind
- • **Plug & Play Installation:** Threaded mount with male connector ensures hassle-free setup
- • **Wide Vehicle Compatibility:** Fits premium Lexus & Toyota V8 models (1995-2005)
- • **Durable Stainless Steel Build:** Engineered for longevity and corrosion resistance
- • **Precision Engine Optimization:** High-accuracy oxygen sensing for perfect air-fuel balance

## Overview

The A-Premium O2 Oxygen Sensor 2-piece set is a high-accuracy, heated 4-wire sensor designed for upstream replacement on select Lexus and Toyota V8 models from 1995 to 2005. Crafted from durable stainless steel with a threaded mount and male connector, it ensures reliable real-time oxygen monitoring to optimize engine performance and fuel efficiency. Comes with a 1-year unlimited mileage warranty, making it a trusted upgrade for discerning drivers.

## Description

Full description not available

## Features

- [Vehicle Fitment-1]: Compatible with Lexus GS400 1998-2000 V8 4.0L, GX470 2003-2004 V8 4.7L, LS400 1995-2000 V8 4.0L, LX470 1998-2005 V8 4.7L(To 05/01/2005), SC400 1996-2000 V8 4.0L---Upstream
- [Vehicle Fitment-2]: Compatible with Toyota 4 Runner 2003-2004 V8 4.7L, Land Cruiser 1998-2005 V8 4.7L, Sequoia 2001-2004 V8 4.7L, Tundra 2000-2004 V8 4.7L---Upstream
- [Reference Number]: 250-24169, 2344138, ES20194, ES20194-11B1, 8946550120, 8946560150
- [Specification]: ① Wire Quantity: 4; ② Sensor Type: Heated; ③ Mounting Type: Threaded; ④ Connector Gender: Male; ⑤ Package Quantity: 2 x Oxygen Sensor; ⑥ Packaging Type: Box
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted O2 Oxygen Sensor. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | A-Premium |
| Material | Stainless Steel |
| Item Weight | 0.27 Kilograms |
| Style | Box |
| Measurement Accuracy | High |
| Mounting Type | ‎Threaded Mount |
| Output Type | Analog |
| Specific Uses For Product | Real-time monitoring of oxygen content to help the ECU realize closed-loop control of air-fuel ratio |
| Manufacturer | PremiumpartsWhosale |
| Item Weight | 9.6 ounces |
| Package Dimensions | 6.3 x 4.53 x 2.64 inches |
| Item model number | ES20194-11B1 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | OS138C |
| OEM Part Number | 250-24169, 2344138, ES20194, ES20194-11B1, 8946550120, 8946560150 |

## Product Details

- **Brand:** A-Premium
- **Material:** Stainless Steel
- **Item Weight:** 0.27 Kilograms
- **Style:** Box
- **Measurement Accuracy:** High

## Images

![O2 Oxygen Sensor Compatible with Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, 2.7L 4.0L 5.7L, Upstream, 2-PC Set, Replace# ES20194-11B1 - Image 1](https://m.media-amazon.com/images/I/71PUVqjQ0qL.jpg)

## Questions & Answers

**Q: does it fits Toyota Sequoia 2003 year? bank 1 sensor 1 bank 2 sensor 1**
A: Yes, it will fit Toyota Sequoia 2003 and also fit Sensor 1 Bank 1 and 2.

## Frequently Bought Together

- A-Premium O2 Oxygen Sensor Compatible with Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, 2.7L 4.0L 5.7L, Upstream, 2-PC Set, Replace# ES20194-11B1
- Offset Oxygen Sensor Socket, 3/8-Inch Drive, 7/8-Inch (22mm), Wire Gate Accesses Sensor from Side, Preventing Damage to Wires, Universal for Most Cars
- A-Premium O2 Oxygen Sensor Compatible with Toyota 4Runner 1996-2000, Tacoma 1995-2000, Tundra 2000-2004, Land Cruiser 1998-2005, Sequoia 2001-2004, T100 95-98 & Lexus LX470 98-05, 2.4L 2.7L 3.4L 4.7L

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-18*