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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.

Find Parts by Vehicle

Year

Make

Model

Part Number (Optional)

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 OEM reference number, and Federal vs. California emissions compatibility.

Q5: What's the difference between OEM and aftermarket ignition coils?

OEM: Same quality as the factory part; long-lasting.
High-quality aftermarket: Close to OEM 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 OEM. Are they really reliable?

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

About us

Automotive Leader started with a simple mission: to provide mechanics and DIYers with OEM-grade parts at affordable prices.

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 Return Policy / Return shipping is free.

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）

Find Parts by Vehicle

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

Upstream Air Fuel Ratio Sensor for Subaru Outback Legacy BRZ - 22641-AA71A 22641-AA670

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

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 - 06A906262Q 234-4809 234-4808

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

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

5-Wire Wideband Upstream Air Fuel Ratio Oxygen Sensor for VW Jetta GTI Passat Audi A3 2.0L | 06J906262AA 234-5107

4Pcs Fuel Injectors for VW CC Eos GTI Tiguan Golf Beetle Jetta Passat Audi A3 A4 Q5 2.0T | 06H906036G

Upstream Nitrogen Oxide NOx Sensor for VW Touareg Audi Q7 A6 A8 TDI Diesel (2011-2015) | 059907807C 5WK96637B

NOx Sensor for Audi A4 Seat Alhambra VW Sharan 2.0L TDI (2007-2012) | 8K0907807E 5WK96688

Wideband Oxygen Sensor (LSU 4.2) for VW Jetta, Golf & Audi A4 | 0258007090 0258007057

4Pcs Fuel Injectors for VW Caddy, Skoda Fabia & Seat | 04E906031F

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）

Find Parts by Vehicle

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

Upstream Air Fuel Ratio Sensor for Subaru Outback Legacy BRZ - 22641-AA71A 22641-AA670

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

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 - 06A906262Q 234-4809 234-4808

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

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

5-Wire Wideband Upstream Air Fuel Ratio Oxygen Sensor for VW Jetta GTI Passat Audi A3 2.0L | 06J906262AA 234-5107

4Pcs Fuel Injectors for VW CC Eos GTI Tiguan Golf Beetle Jetta Passat Audi A3 A4 Q5 2.0T | 06H906036G

Upstream Nitrogen Oxide NOx Sensor for VW Touareg Audi Q7 A6 A8 TDI Diesel (2011-2015) | 059907807C 5WK96637B

NOx Sensor for Audi A4 Seat Alhambra VW Sharan 2.0L TDI (2007-2012) | 8K0907807E 5WK96688

Wideband Oxygen Sensor (LSU 4.2) for VW Jetta, Golf & Audi A4 | 0258007090 0258007057

4Pcs Fuel Injectors for VW Caddy, Skoda Fabia & Seat | 04E906031F

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