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Nissan（Infiniti）

From the Maxima to the Q50, we provide engine management parts that Nissan and Infiniti owners trust. Our comprehensive inventory of direct-fit fuel system components and emission sensors are tested for harsh-environment durability. Automotive-LeaderStore delivers the reliability you need to keep your Nissan or Infiniti running at peak efficiency.

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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

whatsAPP Number: +86 18316212443

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.

3.UK Warehouse (Standard Option)

Handling time: 1-3 business days.

Transit time (days): 3-7 business days via Royal Mail/UPS/FedEx/DPD.

4.Canada Warehouse (Standard Option)

Handling time: 1-3 business days.

Transit time (days): 3-7 business days via Canada Post/UPS/FedEx.

5.German Warehouse (Standard Option)

Handling time: 1-3 business days.

Transit time (days): 3-7 business days via DHL/UPS/FedEx/DPD.

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

Nissan（Infiniti）

Filters

Suitable for Upstream Air Fuel Ratio Sensor for Nissan Altima 370Z Infiniti Q50 | 234-9148 226939HP0A

2Pcs Upstream Air Fuel Ratio Sensor for Nissan 370Z Infiniti Q50 Q60 3.7L | 234-9148, 226939HP0A

Downstream O2 Sensor for Nissan 350Z Altima Infiniti G35 FX35 | 234-4301

Suitable for Upstream Air Fuel Ratio Sensor for Infiniti QX56 QX80 Nissan Patrol 5.6L (VK56VD) | 234-5095

4Pcs Air Fuel Ratio & O2 Sensor Set for Nissan 370Z & Infiniti G37 3.7L 11-13(VQ37VHR)| 234-9135 234-4380

Suitable for Downstream O2 Sensor for Infiniti QX60 Nissan Altima Pathfinder V6 | 234-4986, 0258030315

Suitable for Upstream Air Fuel Ratio Sensor for Nissan Pathfinder Altima Maxima | 226936CA0A

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

Suitable for 4Pcs Ignition Coil Pack for Nissan Altima Rogue Sentra 1.8L 2.5L | UF719

Suitable for 6Pcs Ignition Coil for Nissan Altima Maxima Pathfinder V6 3.5L 4.0L | UF349, 224488J11C

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

2Pcs Air Fuel Ratio Sensor for Nissan Versa & Versa Note 1.6L (2012-2017) | 234-9106 234-4535

Downstream O2 Sensor for Nissan Altima Rogue Sentra & Infiniti | 234-4380 22690EN200

2Pcs O2 Sensor Up & Down for Nissan Altima Maxima 3.5L V6 (2010-2013) | 234-9096 234-4380

Upstream Air Fuel Ratio Sensor for Nissan Altima 2.5L (2013-2017 Calif. Emission) | 211500-7590

Suitable for 4Pcs Oxygen Sensor for Nissan NV2500 NV3500 5.6L V8 (2012-2017)| 234-9104 234-4381

Suitable for 2Pcs Oxygen Sensor for Nissan Sentra Altima Versa (2007) | 234-9070 234-4380

4Pcs Air Fuel Ratio & O2 Sensor Set for Nissan 370Z & Infiniti Q50 3.7L (2015-2020) | 234-9148 234-4535

Suitable for 2Pcs Right Side O2 Sensor for Infiniti QX60 Nissan Altima V6 | 234-9148 234-4986

Suitable for 4Pcs Ignition Coil for Nissan Sentra 1.8L QG18DE (2000-2001) | UF326 22448-4M500

Suitable for 4Pcs Ignition Coil Kit for Nissan Sentra 1.8L (2001-2006) | UF351 22448-6N002

Suitable for Upstream Air Fuel Ratio Oxygen Sensor for Nissan Rogue 2.5L QR25DE (2014-2017) | 234-9149 22693-4BA0A

Downstream Oxygen Sensor for Infiniti G37 3.7L Nissan Versa Note Micra 1.6L | 22690-ED000 234-4381

Upstream Oxygen Sensor for Nissan Juke Sentra 1.6L Turbo MR16DDT (2014-2018) | 22693-BV80A 234-9147

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

Nissan（Infiniti）

Filters

Suitable for Upstream Air Fuel Ratio Sensor for Nissan Altima 370Z Infiniti Q50 | 234-9148 226939HP0A

2Pcs Upstream Air Fuel Ratio Sensor for Nissan 370Z Infiniti Q50 Q60 3.7L | 234-9148, 226939HP0A

Downstream O2 Sensor for Nissan 350Z Altima Infiniti G35 FX35 | 234-4301

Suitable for Upstream Air Fuel Ratio Sensor for Infiniti QX56 QX80 Nissan Patrol 5.6L (VK56VD) | 234-5095

4Pcs Air Fuel Ratio & O2 Sensor Set for Nissan 370Z & Infiniti G37 3.7L 11-13(VQ37VHR)| 234-9135 234-4380

Suitable for Downstream O2 Sensor for Infiniti QX60 Nissan Altima Pathfinder V6 | 234-4986, 0258030315

Suitable for Upstream Air Fuel Ratio Sensor for Nissan Pathfinder Altima Maxima | 226936CA0A

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

Suitable for 4Pcs Ignition Coil Pack for Nissan Altima Rogue Sentra 1.8L 2.5L | UF719

Suitable for 6Pcs Ignition Coil for Nissan Altima Maxima Pathfinder V6 3.5L 4.0L | UF349, 224488J11C

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

2Pcs Air Fuel Ratio Sensor for Nissan Versa & Versa Note 1.6L (2012-2017) | 234-9106 234-4535

Downstream O2 Sensor for Nissan Altima Rogue Sentra & Infiniti | 234-4380 22690EN200

2Pcs O2 Sensor Up & Down for Nissan Altima Maxima 3.5L V6 (2010-2013) | 234-9096 234-4380

Upstream Air Fuel Ratio Sensor for Nissan Altima 2.5L (2013-2017 Calif. Emission) | 211500-7590

Suitable for 4Pcs Oxygen Sensor for Nissan NV2500 NV3500 5.6L V8 (2012-2017)| 234-9104 234-4381

Suitable for 2Pcs Oxygen Sensor for Nissan Sentra Altima Versa (2007) | 234-9070 234-4380

4Pcs Air Fuel Ratio & O2 Sensor Set for Nissan 370Z & Infiniti Q50 3.7L (2015-2020) | 234-9148 234-4535

Suitable for 2Pcs Right Side O2 Sensor for Infiniti QX60 Nissan Altima V6 | 234-9148 234-4986

Suitable for 4Pcs Ignition Coil for Nissan Sentra 1.8L QG18DE (2000-2001) | UF326 22448-4M500

Suitable for 4Pcs Ignition Coil Kit for Nissan Sentra 1.8L (2001-2006) | UF351 22448-6N002

Suitable for Upstream Air Fuel Ratio Oxygen Sensor for Nissan Rogue 2.5L QR25DE (2014-2017) | 234-9149 22693-4BA0A

Downstream Oxygen Sensor for Infiniti G37 3.7L Nissan Versa Note Micra 1.6L | 22690-ED000 234-4381

Upstream Oxygen Sensor for Nissan Juke Sentra 1.6L Turbo MR16DDT (2014-2018) | 22693-BV80A 234-9147

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