--- product_id: 70393231 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 | for Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, Replace# ES20194-11B1" brand: "a-premium" price: "¥13691" currency: JPY in_stock: true category: "A Premium" url: https://www.desertcart.jp/products/70393231-a-premium-o2-oxygen-sensor-compatible-with-lexus-gs400-gx470 store_origin: JP region: Japan --- # Threaded mount for secure fit Compatible with 10+ Lexus & Toyota models 4-wire heated sensor for precision 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 | for Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, Replace# ES20194-11B1 **Brand:** a-premium **Price:** ¥13691 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your ride’s brain with precision oxygen sensing! ## 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 | for Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, Replace# ES20194-11B1 by a-premium - **How much does it cost?** ¥13691 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/70393231-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 - • **Easy Installation:** Threaded mounting and male connector design make replacement hassle-free and secure. - • **Confidence-Backed Warranty:** One-year unlimited mileage guarantee for worry-free driving and peace of mind. - • **Wide Vehicle Compatibility:** Fits Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4Runner, Land Cruiser, Sequoia, Tundra models (1995-2005). - • **Precision Engine Monitoring:** High-accuracy oxygen sensing ensures optimal air-fuel ratio for peak engine performance. - • **Durable Stainless Steel Build:** Robust construction withstands harsh engine conditions for long-lasting reliability. ## Overview The A-Premium O2 Oxygen Sensor is a 2-piece upstream sensor set designed for select Lexus and Toyota V8 engines (2.7L to 5.7L). Featuring a 4-wire heated stainless steel sensor with threaded mounting, it delivers high-accuracy real-time oxygen monitoring to optimize engine air-fuel mixture. Compatible with multiple models from 1995 to 2005, it comes with a one-year unlimited mileage warranty, ensuring durable performance and easy installation. ## Description Buy 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 | for Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, Replace# ES20194-11B1: Oxygen - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## 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 - **Item Weight:** 0.27 kg - **Material:** Stainless Steel - **Measurement Accuracy:** High - **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 | for Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, Replace# ES20194-11B1 - Image 1](https://m.media-amazon.com/images/I/61rnoLvIMQL.jpg) ![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 | for Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, Replace# ES20194-11B1 - Image 2](https://m.media-amazon.com/images/I/7158DexmOjL.jpg) ![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 | for Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, Replace# ES20194-11B1 - Image 3](https://m.media-amazon.com/images/I/71fECp2yzgL.jpg) ![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 | for Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, Replace# ES20194-11B1 - Image 4](https://m.media-amazon.com/images/I/71BjeYL66IL.jpg) ![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 | for Lexus GS400, GX470, LS400, LX470, SC400 & Toyota 4 Runner, Land Cruiser, Sequoia, Tundra, Replace# ES20194-11B1 - Image 5](https://m.media-amazon.com/images/I/61tT99d+dNL.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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/70393231-a-premium-o2-oxygen-sensor-compatible-with-lexus-gs400-gx470](https://www.desertcart.jp/products/70393231-a-premium-o2-oxygen-sensor-compatible-with-lexus-gs400-gx470) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-02*