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Details
| Specification | Value |
|---|---|
| Brand | AIC |
OE numbers (2)
Search by this OE number to find compatible parts
- AUDI / VAG / VW—058 103 385A
- AUDI / VAG / VW—058 103 385B
Where this part fits
Original-fit position for OE 058103385B. The red ring marks where this part installs on the vehicle.
About this product
The AIC Cylinder Head Bolt (51229) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. Verified to fit AUDI, VW 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: 058 103 385A, 058 103 385B, 100 103 0033, 101030385058B and 8 more. Matching these numbers confirms a like-for-like replacement with no loss of function. AIC 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.
Suitable cars
Equivalent products (10)
Cylinder Head Bolt AIC 51229 — compatible car models
| Car models | AUDI: A4 B5 (8D2), A4 B5 Avant (8D5), A6 C4 (4A2), A6 C4 Avant (4A5), A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6); VW: PASSAT B5 (3B2), PASSAT B5 Variant (3B5) |
|---|---|
| Engines | 1.8; 1.8 T |
| Year of manufacture | 1994-2006 |
| Manufacturer article number (MPN) | 51229 |
| OE part numbers | 058 103 385A, 058 103 385B |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AIC 51229 Original AIC Quality
- 1x Cylinder Head Bolt
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 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 Cylinder Head Bolt compatible with my car?
This Cylinder Head Bolt fits AUDI, VW 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 AIC Cylinder Head Bolt have?
The package includes the Cylinder Head Bolt as described in the specifications above. Check the "What's included" section for a full list of components. If mounting hardware or accessories are required, they will be listed separately.
What OE part numbers does this Cylinder Head Bolt replace?
This Cylinder Head Bolt replaces OE part numbers: 058 103 385A, 058 103 385B. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Cylinder Head Bolt cost?
This AIC Cylinder Head Bolt is available for £4.99. Cylinder Head Bolt prices vary depending on brand, specifications, and vehicle compatibility. AIC parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Cylinder Head Bolt?
Regular inspection of your Cylinder Head Bolt is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Cylinder Head Bolt?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Cylinder Head Bolt fitted by a professional mechanic.
Can I use this part as a replacement for OE 058 103 385A?
Yes, this AIC Cylinder Head Bolt is a direct replacement for OE part number 058 103 385A. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
