---
product_id: 386061459
title: "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"
brand: "a-premium"
price: "511.76 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "A Premium"
url: https://www.desertcart.tn/products/386061459-a-premium-o2-oxygen-sensor-compatible-with-lexus-gs400-gx470
store_origin: TN
region: Tunisia
---

# 4-wire heated sensor Upstream fit for Lexus & Toyota V8s 1-year unlimited mileage warranty 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

**Brand:** a-premium
**Price:** 511.76 DT
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your ride’s breath of fresh air with precision and confidence!

## Quick Answers

- **What is this?** 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 by a-premium
- **How much does it cost?** 511.76 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/386061459-a-premium-o2-oxygen-sensor-compatible-with-lexus-gs400-gx470)

## 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

- • **Durable Threaded Mount:** Stainless steel threaded mounting guarantees secure installation and long-lasting durability.
- • **Peace of Mind Guarantee:** Backed by a 1-year unlimited mileage warranty to keep your ride smooth and compliant.
- • **Precision Heated Sensor:** 4-wire design ensures rapid, accurate oxygen readings for optimal engine performance.
- • **Wide Vehicle Compatibility:** Seamlessly fits Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4Runner, Land Cruiser, Sequoia, Tundra V8 engines.
- • **OEM-Grade Quality Assurance:** Meets or exceeds OEM specs with ±1.0% measurement accuracy for reliable emissions control.

## Overview

The A-Premium O2 Oxygen Sensor 2-piece set is a heated, 4-wire upstream sensor designed for select Lexus and Toyota V8 models (1995-2005). Crafted from stainless steel with threaded mounting, it meets OEM standards and offers ±1.0% accuracy. This sensor set comes with a 1-year unlimited mileage warranty, ensuring reliable engine performance and emissions control.

## Description

A-premium oxygen sensors are an ideal choice to replace your broken oxygen sensors. All oxygen sensors meet or exceed OEM specifications. Due to high manufacturing standard, it will come with one year quality guarantee. Application: Compatible with Lexus GS400 1998-2000 V8-4.0L 1UZFE Upstream Compatible with Lexus GX470 2003-2004 V8-4.7L 2UZFE Upstream Compatible with Lexus LS400 1995-2000 V8-4.0L 1UZFE Upstream Compatible with Lexus LX470 1998-2005 V8-4.7L 2UZFE Upstream To 05/01/2005 Compatible with Lexus SC400 1996-2000 V8-4.0L 1UZFE Upstream Compatible with Toyota 4 Runner 2003-2004 V8-4.7L 2UZFE Upstream Compatible with Toyota Land Cruiser 1998-2005 V8-4.7L 2UZFE Upstream Compatible with Toyota Sequoia 2001-2004 V8-4.7L 2UZFE Upstream Compatible with Toyota Tundra 2000-2004 V8-4.7L 2UZFE Upstream OEM Number: ES20194-11B1, 8946550120, 8946560150, 8946560430, 250-24169 Location: Upstream Quantity Sold: A Set of Two Pieces

Review: Good product
Review: Came damaged and used very pissed and disappointed the o2 was striped

## 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 |
|---------------|-------|
| ASIN | B07CRKG2LB |
| ASIN  | B07CRKG2LB |
| Brand Name | A-Premium |
| Customer Reviews | 3.6 3.6 out of 5 stars (57) |
| Customer reviews | 3.6 3.6 out of 5 stars (57) |
| Date First Available  | 27 May 2018 |
| Is Discontinued By Manufacturer  | No |
| Item Weight | 0.27 Kilograms |
| Item model number  | ES20194-11B1 |
| Manufacturer | PremiumpartsWhosale |
| Manufacturer  | PremiumpartsWhosale |
| Material Type | Stainless Steel |
| Measurement Accuracy | ±1.0% |
| Model | ES20194-11B1 |
| Mounting Type | Threaded Mount |
| Output Type | Push-Pull |
| Package Dimensions  | 16 x 11.51 x 6.71 cm; 272 g |
| Specific Uses For Product | Oxygen Sensor |
| Style Name | Box |

## Product Details

- **Brand:** A-Premium
- **Item weight:** 0.27 Kilograms
- **Material:** Stainless Steel
- **Measurement accuracy:** ±1.0%
- **Style:** Box

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/61rnoLvIMQL.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***Z on 14 February 2026*

Good product

### ⭐ Review
*by J***N on 10 April 2026*

Came damaged and used very pissed and disappointed the o2 was striped

### ⭐ Review
*by M***O on 15 April 2025*

not worth i removed the 30 year old original sensor In 5 minutes installed this junk and it have antiseize on it and i got frozen in the manifold try to remove it with o2 tool and it bended the body and rounded the sensor so i cut it to use 6 point and did not work welded 32mm axle nut to it and did not move kept trying until it strip all the thread from the manifold not i need to replace the manifold to remove it i need to drop the engine doooont buy this go oem please

## 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 Tunisia*
*Store origin: TN*
*Last updated: 2026-05-29*