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Volkswagen（VW, Skoda, Seat）

Volkswagen engineering requires components that can handle precise tolerances. Our premium aftermarket engine parts for VW, Skoda, and Seat provide the high-quality performance you need to maintain your vehicle’s driving dynamics. From electronic sensors to ignition components, Automotive-LeaderStore ensures your engine management systems operate with factory-level precision.

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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

Volkswagen（VW, Skoda, Seat）

Filters

Upstream Nitrogen Oxide Sensor for VW Touareg Audi Q7 A6 A8 TDI Diesel (11-15) | 059907807C, 059907807H

Upstream Wideband A/F Sensor for VW Jetta Golf Audi A4 TT | 234-5115

Upstream Wideband A/F Sensor for Bentley Continental Porsche Cayenne (06-18) | 234-5119

2Pcs O2 Sensor Upstream & Downstream for Audi TT VW Golf Jetta 1.8L 2.0L (1998-2001) | 234-4859 234-4874

Upstream Wideband A/F Sensor for Audi R8 RS4 S8 A8 VW Touareg (2006-2015) | 234-5114, 06E906262L

Upstream Wideband A/F Sensor for Porsche Cayenne Audi Q7 VW Touareg R32 (2007-2010) | 234-5125, 022906262CA, 1K0998262K

Upstream O2 Sensor for Audi TT A6 Allroad VW Beetle Golf Jetta (1998-2010) | 234-4859

Upstream O2 Sensor for Audi Porsche VW Ford Lincoln | 234-5108

Downstream O2 Sensor for Audi A4 Q5 Q7 VW Porsche Cayenne | 234-4754

Downstream Lambda O2 Sensor for Audi A4 TT & VW Passat Touareg | 234-4809 058906265C

Downstream NOx Sensor for Audi Q7 VW Touareg 3.0L TDI Diesel | 059907807B, 059907807D

4Pcs Fuel Injector Set for VW Golf GTI Audi A4 Q5 2.0T (EA888 Gen3) | 06L906036J 06L906031B

Fuel Injector for VW GTI Jetta Passat & Audi A4 Q5 2.0T | 06H906036G 06H906036P

Suitable for Upstream Air Fuel Ratio Sensor for Subaru Outback Legacy BRZ | 234-9138, 22641AA670

4Pcs O2 Sensor Set for VW Volkswagen Touareg 3.6L V6 (2011-2014) | 234-5019 234-4754 234-4829

Suitable for Upstream O2 Sensor for Dodge Avenger Grand Caravan Chrysler Town & Country| 234-4881 56029084AA

Upstream Wideband O2 Sensor for Audi S3 TT VW Golf R GTI 2.0T | 0258027110, 234-5185

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

2Pcs O2 Sensor Upstream & Downstream for Audi TT VW Jetta Golf 1.8T | 234-4809 234-4808

Suitable for EGT Exhaust Gas Temperature Sensor for VW Jetta Beetle 2.0L (2004-2005) | 06A906088

4Pcs O2 Sensor Set for VW Touareg Audi A8 Quattro 4.2L V8 (2004-2007) | 234-5115 234-4874

Downstream Oxygen Sensor for Audi A4 TT VW Jetta Golf 2.0L | 234-4808

5-Wire Wideband O2 Sensor for Audi A4 TT VW Golf Jetta 1.8T | 234-5112 0258007351

2Pcs Oxygen Sensor Upstream & Downstream for VW GTI Jetta 2.0T (2006-2009) | 234-5107 234-4754

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

Volkswagen（VW, Skoda, Seat）

Filters

Upstream Nitrogen Oxide Sensor for VW Touareg Audi Q7 A6 A8 TDI Diesel (11-15) | 059907807C, 059907807H

Upstream Wideband A/F Sensor for VW Jetta Golf Audi A4 TT | 234-5115

Upstream Wideband A/F Sensor for Bentley Continental Porsche Cayenne (06-18) | 234-5119

2Pcs O2 Sensor Upstream & Downstream for Audi TT VW Golf Jetta 1.8L 2.0L (1998-2001) | 234-4859 234-4874

Upstream Wideband A/F Sensor for Audi R8 RS4 S8 A8 VW Touareg (2006-2015) | 234-5114, 06E906262L

Upstream Wideband A/F Sensor for Porsche Cayenne Audi Q7 VW Touareg R32 (2007-2010) | 234-5125, 022906262CA, 1K0998262K

Upstream O2 Sensor for Audi TT A6 Allroad VW Beetle Golf Jetta (1998-2010) | 234-4859

Upstream O2 Sensor for Audi Porsche VW Ford Lincoln | 234-5108

Downstream O2 Sensor for Audi A4 Q5 Q7 VW Porsche Cayenne | 234-4754

Downstream Lambda O2 Sensor for Audi A4 TT & VW Passat Touareg | 234-4809 058906265C

Downstream NOx Sensor for Audi Q7 VW Touareg 3.0L TDI Diesel | 059907807B, 059907807D

4Pcs Fuel Injector Set for VW Golf GTI Audi A4 Q5 2.0T (EA888 Gen3) | 06L906036J 06L906031B

Fuel Injector for VW GTI Jetta Passat & Audi A4 Q5 2.0T | 06H906036G 06H906036P

Suitable for Upstream Air Fuel Ratio Sensor for Subaru Outback Legacy BRZ | 234-9138, 22641AA670

4Pcs O2 Sensor Set for VW Volkswagen Touareg 3.6L V6 (2011-2014) | 234-5019 234-4754 234-4829

Suitable for Upstream O2 Sensor for Dodge Avenger Grand Caravan Chrysler Town & Country| 234-4881 56029084AA

Upstream Wideband O2 Sensor for Audi S3 TT VW Golf R GTI 2.0T | 0258027110, 234-5185

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

2Pcs O2 Sensor Upstream & Downstream for Audi TT VW Jetta Golf 1.8T | 234-4809 234-4808

Suitable for EGT Exhaust Gas Temperature Sensor for VW Jetta Beetle 2.0L (2004-2005) | 06A906088

4Pcs O2 Sensor Set for VW Touareg Audi A8 Quattro 4.2L V8 (2004-2007) | 234-5115 234-4874

Downstream Oxygen Sensor for Audi A4 TT VW Jetta Golf 2.0L | 234-4808

5-Wire Wideband O2 Sensor for Audi A4 TT VW Golf Jetta 1.8T | 234-5112 0258007351

2Pcs Oxygen Sensor Upstream & Downstream for VW GTI Jetta 2.0T (2006-2009) | 234-5107 234-4754

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