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Details
| Specification | Value |
|---|---|
| Brand | WALKER |
| MPN | wst00351 |
| Voltage [V] | 12 V |
| Rated Power [kW] | 1.7 kW |
| Clamp | Pin "50" Plug |
| Flange Diameter [mm] | 66 mm |
| Net weight [kg] | 3.8 kg |
OE numbers (8)
Search by this OE number to find compatible parts
- AUDI—03L911021E
- AUDI—03L911021EX
- AUDI—03L911021G
- AUDI—03L911021GX
- AUDI—03L911024
- AUDI—03L911024A
- AUDI—03L911024B
- AUDI—03L911024BX
Where this part fits
Original-fit position for OE 03L911024BX. The red ring marks where this part installs on the vehicle.
About this product
The WALKER Starter (WST00351) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Voltage [V]: Zinc V, Number of Teeth: Bronze, Number of Teeth: Brass, Rated Power [kW]: Steel, Ceramic kW, Plug Type ID: 0156. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit AUDI, BENTLEY models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 0001139019, 0001139020, 0001139075, 0001139076 and 38 more. Matching these numbers confirms a like-for-like replacement with no loss of function. WALKER is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About WALKER
Walker, part of the Tenneco group, is a well-established manufacturer of exhaust system components with decades of engineering experience. Walker specialises in catalytic converters, diesel particulate filters, exhaust pipes, silencers, and flexible connectors. As a supplier meeting strict European emission regulations, Walker products are designed for precise fitment and optimal exhaust gas treatment. With extensive vehicle coverage and products engineered to restore factory exhaust performance, Walker is a dependable choice for exhaust system repairs across all major European vehicle brands.
Suitable cars
Equivalent products (35)
Show all 35 OE numbers
Starter WALKER WST00351 — compatible car models
| Car models | AUDI: A4 Allroad B8 (8KH), A4 B8 (8K2), A4 B8 Avant (8K5), A5 (8T3), A5 Convertible (8F7), A5 Sportback (8TA), A6 C7 (4G2, 4GC), A6 C7 Avant (4G5, 4GD), Q5 (8RB), Q5 Van (8RB); BENTLEY: BENTAYGA (4V1) |
|---|---|
| Engines | 2.0 TDI quattro; 2.0 TDI; 6.0 |
| Year of manufacture | 2007-2019 |
| Manufacturer article number (MPN) | WST00351 |
| OE part numbers | 03L911021E, 03L911021EX, 03L911021G, 03L911021GX, 03L911024, 03L911024A, 03L911024B, 03L911024BX |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
WALKER wst00351 . Clamp: Pin "50" Plug. Flange Diameter [mm]: 66 mm. Net weight [kg]: 3,8 kg. Number of mounting bores: 2. Number of Teeth: 10. Number of Teeth: 11. Number of threaded holes: 1. Plug Type ID: 0156
- 1x Starter
Shipping, returns, warranty
Free UK delivery on orders over £50.00. Tracked standard shipping.
- Standard delivery: 4–8 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Starter compatible with my car?
This Starter fits AUDI, BENTLEY vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this WALKER Starter have?
This WALKER Starter has the following specifications: Voltage [V]: 12 V; Number of Teeth: 11; Number of Teeth: 10; Rated Power [kW]: 1,7 kW; Plug Type ID: 0156; Clamp: Pin "50" Plug. Check the full specifications table above for complete details.
What OE part numbers does this Starter replace?
This Starter replaces OE part numbers: 03L911021E, 03L911021EX, 03L911021G, 03L911021GX, 03L911024, 03L911024A, 03L911024B, 03L911024BX. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Starter cost?
This WALKER Starter is available for £188.99. Starter prices vary depending on brand, specifications, and vehicle compatibility. WALKER parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Starter?
Signs include clicking noise when turning the key, grinding sound during starting, intermittent starting issues, or the engine not cranking at all.
What tools do I need to replace a Starter?
Tools needed: socket set (10-17mm), ratchet with extension, battery terminal clamp remover, torque wrench. Difficulty: Moderate DIY. Safety warning: Disconnect the battery negative terminal first. The main cable to the starter carries full battery current -- accidental contact with bodywork will cause a severe short circuit and fire risk.
Can I use this part as a replacement for OE 03L911021E?
Yes, this WALKER Starter is a direct replacement for OE part number 03L911021E. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
