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Automotive Sensors

A failing oxygen sensor can ruin your fuel economy and cause engine damage. Our high-quality aftermarket O2 sensors are designed for perfect compatibility and long-lasting data precision. Whether you are looking for upstream or downstream sensors, we provide the reliable emission control components needed to pass smog tests and keep your engine in top shape.

💡 Note: Our vehicle fitment database is massive. If dropdowns don't respond immediately, please wait a few seconds.

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FAQ & Support

🚦 1. Trouble Codes & Symptoms

Q1: My car shows codes like P0420 / P0171 / P0138. What do they mean?

These are common codes related to the fuel system or oxygen sensors:

P0420: Catalyst efficiency below threshold
P0171: System too lean
P0138: O2 sensor voltage high

They often indicate a worn oxygen sensor, exhaust leak, or ignition issue. If you're not sure, simply tell us your year, make, model, and engine—we'll check the exact part you need.

Q2: My engine shakes at idle. Is my ignition coil bad?

It's very possible. Common symptoms of a failing ignition coil include:

Rough idle or shaking
Hard cold starts
Poor acceleration
Higher fuel consumption
Misfire popping noise

Tell us your vehicle info—our team can help you identify the cause.

Q3: What are the symptoms of a bad oxygen sensor?

Typical signs include: Check Engine Light on, Increased fuel consumption, Poor acceleration, Strong fuel smell, and Slow throttle response.

Most sensors should be replaced every 80,000–100,000 km.

🔍 2. Fitment & Compatibility

Q4: How do I know which oxygen sensor fits my car?

Just provide: Year, Make, Model, and Engine size.

We'll confirm: Upstream or downstream, Correct connector, Proper reference number, and Federal vs. California emissions compatibility.

Q5: What's the difference between ignition coils?

High-quality aftermarket: Close to Standard but more affordable.

We only offer high-grade, reliable ignition coils.

Q6: How many oxygen sensors does my car have?

Most vehicles have 2–4 sensors (Upstream front and Downstream rear). We can confirm the exact number for your vehicle.

🛒 3. Buying, Quality & Concerns

Q7: Are cheap oxygen sensors reliable?

They work for a short time but usually cause issues like short lifespan, slow response, and frequent check engine lights.

We only sell new, high-quality, fully tested sensors.

Q8: How can I avoid buying a refurbished or used auto part?

Check for scratches on the connector, dirty wiring, or marks on threads.

Our parts are 100% brand new, never refurbished, and fully tested.

🧰 4. Installation & Usage

Q9: Can I install an oxygen sensor myself?

Yes. Difficulty: medium.

You'll need an O2 sensor socket, Anti-seize compound, and a Torque wrench. We recommend clearing fault codes with an OBD scanner after installation.

Q10: Do ignition coils need programming after replacement?

In most vehicles, no programming is required. Just swap the old coil with the new one.

💰 5. Value & Performance

Q11: Your parts cost less than Other accessories. Are they really reliable?

Yes—our parts use the same-grade materials and testing standards as suppliers. Because we don't go through dealer channels, the price is much more affordable.

About us

Since its inception, Automotive Leader has been guided by a simple mission: to provide high-performance aftermarket parts for automotive technicians and DIY enthusiasts.

The website is jointly operated by Trademark Name: Automotive-leader Store registered at Physical Address: Room 602, No. 152 Helong East Road, Helong Subdistrict, Baiyun District, Guangzhou City Postal Code: 510000 and Company name：BLUE STAR TRADING LIMITED registered at Company address：RM C，6/F，WORLD TRUST TOWER 50 STANLEY STREET CENTRAL HK

U.S. Address:
7600 LTC Parkway 34986
PORT SAINT LUCIE, FL - United States

Phone Number: +86 15812449181

Email: support@automotive-leaderstore.com

Logistics Policy

1. U.S. Warehouse (Standard Option)
Handling time: 1-3 business days
Transit time (days): 3-6 business days via USPS/UPS/FedEx.

2. China Warehouse (Standard Option)
Handling time: 1-3 business days
Transit time (days): 14-22 business days via USPS/UPS/FedEx.

Refund and Return Policy

30-Day Returns and Refunds / Return shipping is free（Due to a product issue）

We do not accept direct exchanges.

After receiving and inspecting your returned item, we will notify you whether your refund has been approved.

If approved, the refund will be processed back to your original payment method within 5 business days.

Please note that your bank or credit card company may also require additional time to process and reflect the refund.

If you have not received your refund within 10 business days after your return request has been approved, please contact us.

Contact: support@automotive-leaderstore.com

Account

Automotive Sensors

Filters

Upstream O2 Sensor for Toyota Tundra Land Cruiser Lexus LX570 5.7L | 234-9111 8946704090

Suitable for Upstream O2 Sensor for Cadillac DTS Buick Lucerne 4.6L V8 (2006-2011) | 12597990 234-4339

Upstream Wideband O2 Sensor for Subaru Forester Impreza Outback 2.5L (2000-2002) | 17018

Suitable for Upstream Air Fuel Ratio Sensor for Subaru Forester Impreza Crosstrek | 234-9109 22641AA610

Suitable for Upstream Wideband O2 Sensor for Mini Cooper Clubman 1.6L (07-10) | 234-5135

Suitable for Upstream Air Fuel Ratio Sensor for Nissan Altima Maxima Pathfinder 3.5L V6 | 234-9135

Suitable for Upstream Air Fuel Ratio Sensor for Suzuki Grand Vitara 2.0L AWD | 1821365J00 250-54092

Suitable for Upstream O2 Sensor for Hyundai Sonata Santa Fe Kia Optima 2.4L | 39210-2G600

Suitable for Upstream Air Fuel Ratio Sensor for Suzuki Grand Vitara 2.7L V6 (2006) | 234-9032 1821366J00

Suitable for Upstream O2 Sensor for Chevy Camaro Impala Malibu 2.5L (13-19) | 234-4763, 12627139

Upstream Wideband O2 Sensor for BMW 325i 328i 525i X3 X5 (E90/E60) | 234-5139, 11787558055

Suitable for Upstream Air Fuel Ratio Sensor for Subaru WRX STI Impreza 2.5L | 234-9034 22641AA510

Suitable for Upstream O2 Sensor for Chevy Silverado Tahoe GMC Sierra Yukon (03-10)| 234-4669/15282

Suitable for Upstream Air Fuel Ratio Sensor for Suzuki Grand Vitara Kizashi 2.4L | 234-9299 2112004620

Suitable for Upstream O2 Sensor for Infiniti G35 M35 Nissan 350Z 3.5L | 234-5061 22693-CD700

Upstream Wideband O2 Sensor for Mercedes C300 E350 GL450 (W204/W212) | 68012050AA 234-5096

Suitable for Upstream O2 Sensor for Mercedes Benz E350 Sprinter 2500 3.0L Diesel | 234-5084 0065424918

Upstream Air Fuel Ratio Sensor for Toyota Highlander Lexus GS300 GS350 | 234-9058 89467-30020

Suitable for Upstream Air Fuel Ratio Sensor for Subaru Outback Forester Impreza 2.5L (2004-2005) | 234-9122, 22641AA150

Upstream Wideband O2 Sensor for BMW 320i 120i X1 (E90/E84/E81) | 11787570104 11787590713

Suitable for Upstream O2 Sensor for Lexus LX470 Toyota Land Cruiser V8 | 13104 213-1435

Upstream Wideband O2 Sensor for BMW X5 550i 750i V8 (N63) | 234-5136 11787535269

Upstream Air Fuel Ratio Sensor for Toyota RAV4 Tacoma Venza | 234-9022 8946760050

Upstream Wideband O2 Sensor for Audi A4 TT VW Beetle 1.8T | 0258007353 234-5028

Subscribe to our email list to receive a VIP discount

FAQ & Support

🚦 1. Trouble Codes & Symptoms

🔍 2. Fitment & Compatibility

🛒 3. Buying, Quality & Concerns

🧰 4. Installation & Usage

💰 5. Value & Performance

About us

Logistics Policy

Refund and Return Policy

Country/Region

Country/Region

Automotive Sensors

Filters

Upstream O2 Sensor for Toyota Tundra Land Cruiser Lexus LX570 5.7L | 234-9111 8946704090

Suitable for Upstream O2 Sensor for Cadillac DTS Buick Lucerne 4.6L V8 (2006-2011) | 12597990 234-4339

Upstream Wideband O2 Sensor for Subaru Forester Impreza Outback 2.5L (2000-2002) | 17018

Suitable for Upstream Air Fuel Ratio Sensor for Subaru Forester Impreza Crosstrek | 234-9109 22641AA610

Suitable for Upstream Wideband O2 Sensor for Mini Cooper Clubman 1.6L (07-10) | 234-5135

Suitable for Upstream Air Fuel Ratio Sensor for Nissan Altima Maxima Pathfinder 3.5L V6 | 234-9135

Suitable for Upstream Air Fuel Ratio Sensor for Suzuki Grand Vitara 2.0L AWD | 1821365J00 250-54092

Suitable for Upstream O2 Sensor for Hyundai Sonata Santa Fe Kia Optima 2.4L | 39210-2G600

Suitable for Upstream Air Fuel Ratio Sensor for Suzuki Grand Vitara 2.7L V6 (2006) | 234-9032 1821366J00

Suitable for Upstream O2 Sensor for Chevy Camaro Impala Malibu 2.5L (13-19) | 234-4763, 12627139

Upstream Wideband O2 Sensor for BMW 325i 328i 525i X3 X5 (E90/E60) | 234-5139, 11787558055

Suitable for Upstream Air Fuel Ratio Sensor for Subaru WRX STI Impreza 2.5L | 234-9034 22641AA510

Suitable for Upstream O2 Sensor for Chevy Silverado Tahoe GMC Sierra Yukon (03-10)| 234-4669/15282

Suitable for Upstream Air Fuel Ratio Sensor for Suzuki Grand Vitara Kizashi 2.4L | 234-9299 2112004620

Suitable for Upstream O2 Sensor for Infiniti G35 M35 Nissan 350Z 3.5L | 234-5061 22693-CD700

Upstream Wideband O2 Sensor for Mercedes C300 E350 GL450 (W204/W212) | 68012050AA 234-5096

Suitable for Upstream O2 Sensor for Mercedes Benz E350 Sprinter 2500 3.0L Diesel | 234-5084 0065424918

Upstream Air Fuel Ratio Sensor for Toyota Highlander Lexus GS300 GS350 | 234-9058 89467-30020

Suitable for Upstream Air Fuel Ratio Sensor for Subaru Outback Forester Impreza 2.5L (2004-2005) | 234-9122, 22641AA150

Upstream Wideband O2 Sensor for BMW 320i 120i X1 (E90/E84/E81) | 11787570104 11787590713

Suitable for Upstream O2 Sensor for Lexus LX470 Toyota Land Cruiser V8 | 13104 213-1435

Upstream Wideband O2 Sensor for BMW X5 550i 750i V8 (N63) | 234-5136 11787535269

Upstream Air Fuel Ratio Sensor for Toyota RAV4 Tacoma Venza | 234-9022 8946760050

Upstream Wideband O2 Sensor for Audi A4 TT VW Beetle 1.8T | 0258007353 234-5028

Subscribe to our email list to receive a VIP discount

FAQ & Support

🚦 1. Trouble Codes & Symptoms

🔍 2. Fitment & Compatibility

🛒 3. Buying, Quality & Concerns

🧰 4. Installation & Usage

💰 5. Value & Performance

About us

Logistics Policy

Refund and Return Policy