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Details
| Specification | Value |
|---|---|
| Brand | DIEDERICHS |
| Category | glas, exterior mirror |
| Fitting Position | Left |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- VW—3B1 857 521
- VW—7M1 857 521A
Where this part fits
Original-fit position for OE 3B1857521. The red ring marks where this part installs on the vehicle.
About this product
The DIEDERICHS glas, exterior mirror (2290127) 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: Left, Registration Type: Cast Iron, Exterior/Interior Mirror: Ceramic, Exterior/Interior Mirror: 0, paired article number: 2290126. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit FORD, SEAT, SKODA, 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: 12705, 31855041, 337-0038-1, 3402G03 and 8 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DIEDERICHS 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Equivalent products (10)
glas, exterior mirror DIEDERICHS 2290127 — compatible car models
| Car models | FORD: GALAXY I (WGR); SEAT: ALHAMBRA (7V8, 7V9), AROSA (6H1), CORDOBA (6K1, 6K2), IBIZA II (6K1), LEON (1M1), TOLEDO II (1M2); SKODA: SUPERB I (3U4); VW: BORA I (1J2), BORA Variant (1J6), GOLF IV (1J1), LUPO I (6X1, 6E1), PASSAT B5 (3B2), PASSAT B5.5 (3B3), PASSAT B5.5 Variant (3B6), PASSAT B5 Variant (3B5), POLO III CLASSIC (6V2), SHARAN (7M8, 7M9, 7M6) |
|---|---|
| Engines | 1.9 TDI; 1.8 T 20V; 1.0; 1.4 16V; 1.0 16V; 1.8 T; 1.6; 100 1.6 |
| Year of manufacture | 1993-2013 |
| Manufacturer article number (MPN) | 2290127 |
| OE part numbers | 3B1 857 521, 7M1 857 521A |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DIEDERICHS 2290127 glas, exterior mirror. Exterior/Interior Mirror: 0. Exterior/Interior Mirror: 7. Fitting Position: L. paired article number: 2290126. Registration Type: 3
- 1x glas, exterior mirror
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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 glas, exterior mirror compatible with my car?
This glas, exterior mirror fits FORD, SEAT, SKODA, 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 DIEDERICHS glas, exterior mirror have?
This DIEDERICHS glas, exterior mirror has the following specifications: Fitting Position: L; Registration Type: 3; Exterior/Interior Mirror: 7; Exterior/Interior Mirror: 0; paired article number: 2290126. Check the full specifications table above for complete details.
What OE part numbers does this glas, exterior mirror replace?
This glas, exterior mirror replaces OE part numbers: 3B1 857 521, 7M1 857 521A. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a glas, exterior mirror cost?
This DIEDERICHS glas, exterior mirror is available for £31.99. Glas, exterior mirror prices vary depending on brand, specifications, and vehicle compatibility. DIEDERICHS parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my glas, exterior mirror?
Regular inspection of your glas, exterior mirror 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 glas, exterior mirror?
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 glas, exterior mirror fitted by a professional mechanic.
Can I use this part as a replacement for OE 3B1 857 521?
Yes, this DIEDERICHS glas, exterior mirror is a direct replacement for OE part number 3B1 857 521. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the DIEDERICHS 2290127 the same as the DIEDERICHS 1454127?
No, while both are glas, exterior mirror parts, they are different products. The DIEDERICHS 2290127 has Fitting Position: L, Registration Type: 3, Exterior/Interior Mirror: 7. The DIEDERICHS 1454127 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
