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Details
| Specification | Value |
|---|---|
| Brand | MERTZ |
| MPN | m-s4531 |
| Category | bushing, control/trailing arm |
| Fitting Position | Front |
| Fitting Position | Front Left |
| Fitting Position | Front Right |
| Fitting Position | Bottom |
| Fitting Position | Outer |
| Thickness [mm] | 37 mm |
| Inner Diameter [mm] | 12 mm |
| Outer Diameter [mm] | 40 mm |
| Outer Diameter [mm] | 24 mm |
OE numbers (2)
Search by this OE number to find compatible parts
- AUDI / SEAT—8E0 407 181 B
- AUDI / SEAT—8E0 407 181 C
Where this part fits
Original-fit position for OE 8E0407181C. The red ring marks where this part installs on the vehicle.
About this product
Sourced from MERTZ, this bushing, control/trailing arm (M-S4531) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Fitting Position: Front, Fitting Position: Front Left, Fitting Position: Front Right, Fitting Position: U, Fitting Position: A — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, SEAT 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: 001-10-20690, 017-00068, 046446B, 06578 and 83 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 (86)
Show all 86 OE numbers
bushing, control/trailing arm MERTZ M-S4531 — compatible car models
| Car models | AUDI: A4 B6 (8E2), A4 B6 Avant (8E5), A4 B6 Convertible (8H7), A4 B7 (8EC), A4 B7 Avant (8ED), A4 B7 Convertible (8HE); SEAT: EXEO (3R2), EXEO ST (3R5) |
|---|---|
| Engines | 1.6; 1.8 T |
| Year of manufacture | 2000-2013 |
| Manufacturer article number (MPN) | M-S4531 |
| OE part numbers | 8E0 407 181 B, 8E0 407 181 C |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
MERTZ m-s4531 bushing, control/trailing arm. Fitting Position: A. Fitting Position: U. Fitting Position: V. Fitting Position: VL. Fitting Position: VR. Inner Diameter [mm]: 12 mm. Material: 43. Outer Diameter [mm]: 24 mm
- 1x bushing, control/trailing arm
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 bushing, control/trailing arm compatible with my car?
This bushing, control/trailing arm fits AUDI, SEAT 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 bushing, control/trailing arm have?
This MERTZ bushing, control/trailing arm has the following specifications: Fitting Position: V; Fitting Position: VL; Fitting Position: VR; Fitting Position: U; Fitting Position: A; Thickness [mm]: 37 mm. Check the full specifications table above for complete details.
What OE part numbers does this bushing, control/trailing arm replace?
This bushing, control/trailing arm replaces OE part numbers: 8E0 407 181 B, 8E0 407 181 C. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a bushing, control/trailing arm cost?
This MERTZ bushing, control/trailing arm is available for £4.99. Bushing, control/trailing arm 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 bushing, control/trailing arm?
Regular inspection of your bushing, control/trailing arm 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 bushing, control/trailing arm?
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 bushing, control/trailing arm fitted by a professional mechanic.
Can I use this part as a replacement for OE 8E0 407 181 B?
Yes, this MERTZ bushing, control/trailing arm is a direct replacement for OE part number 8E0 407 181 B. 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.
