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Details
| Specification | Value |
|---|---|
| Brand | MERTZ |
| MPN | m-s4347 |
| Fitting Position | Right Rear |
OE numbers (3)
Search by this OE number to find compatible parts
- AUDI—4A0 399 420 C
- AUDI—4A0 399 420 D
- AUDI—4A0 399 420 E
Where this part fits
Original-fit position for OE 4A0399420E. The red ring marks where this part installs on the vehicle.
About this product
The MERTZ Mounting Automatic Transmission Support (M-S4347) 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: Fitting Position: RH, Material: 43. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit AUDI 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: 00059502, 02739, 046030B, 07.20.051 and 50 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MERTZ 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 (52)
Show all 52 OE numbers
Mounting Automatic Transmission Support MERTZ M-S4347 — compatible car models
| Car models | AUDI: 100 C4 Avant (4A5), 100 C4 Saloon (4A2), A6 C4 (4A2), A6 C4 Avant (4A5) |
|---|---|
| Engines | 2.3 E; 2.3 |
| Year of manufacture | 1990-1998 |
| Manufacturer article number (MPN) | M-S4347 |
| OE part numbers | 4A0 399 420 C, 4A0 399 420 D, 4A0 399 420 E |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
MERTZ m-s4347 . Fitting Position: RH. Material: 43
- 1x Mounting Automatic Transmission Support
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 Mounting Automatic Transmission Support compatible with my car?
This Mounting Automatic Transmission Support fits AUDI 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 MERTZ Mounting Automatic Transmission Support have?
This MERTZ Mounting Automatic Transmission Support has the following specifications: Fitting Position: RH; Material: 43. Check the full specifications table above for complete details.
What OE part numbers does this Mounting Automatic Transmission Support replace?
This Mounting Automatic Transmission Support replaces OE part numbers: 4A0 399 420 C, 4A0 399 420 D, 4A0 399 420 E. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Mounting Automatic Transmission Support cost?
This MERTZ Mounting Automatic Transmission Support is available for £10.99. Mounting Automatic Transmission Support prices vary depending on brand, specifications, and vehicle compatibility. MERTZ parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Mounting Automatic Transmission Support?
Regular inspection of your Mounting Automatic Transmission Support 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 Mounting Automatic Transmission Support?
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 Mounting Automatic Transmission Support fitted by a professional mechanic.
Can I use this part as a replacement for OE 4A0 399 420 C?
Yes, this MERTZ Mounting Automatic Transmission Support is a direct replacement for OE part number 4A0 399 420 C. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
