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Details
| Specification | Value |
|---|---|
| Brand | MONROE |
| MPN | sp4521 |
| Category | Spring |
| Length [mm] | 333 mm |
| Weight [kg] | 2,237 kg |
| Outer Diameter [mm] | 145 mm |
| Outer Diameter 1 [mm] | 108 mm |
| Outer Diameter 2 [mm] | 98 mm |
| Inner Diameter 1 [mm] | 82 mm |
| Inner Diameter 2 [mm] | 72 mm |
| Number of coils | 5.3 |
| Packaging length [cm] | 41.2 cm |
| Packaging width [cm] | 16.8 cm |
| Packaging height [cm] | 16.8 cm |
| Wire Diameter [mm] | 13 mm |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- SEAT / VW—7N0411105A
- SEAT / VW—7N0411105B
Where this part fits
Original-fit position for OE 7N0411105A. The red ring marks where this part installs on the vehicle.
About this product
The MONROE Spring (SP4521) 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: Length [mm]: 333 mm, Weight [kg]: Aluminium, 237 kg, Spring Design: Brass, Outer Diameter [mm]: 145 mm, Outer Diameter 1 [mm]: 108 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit SEAT, 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: 100 639 0052, 14.950.107, 25103, 4095117 and 8 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MONROE is a recognised supplier of automotive suspension 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.
About MONROE
Monroe, founded in 1916 in Monroe, Michigan, USA, is one of the world's most recognised shock absorber brands, now part of the Tenneco group. Monroe specialises in shock absorbers, struts, coil spring assemblies, and suspension mounting kits. As an OE supplier to major American and European car manufacturers, Monroe products are designed for precise fitment and optimal ride comfort. With over a century of ride control expertise and patented damping technologies, Monroe delivers safe, comfortable suspension performance for millions of vehicles worldwide.
Suitable cars
Equivalent products (10)
Spring MONROE SP4521 — compatible car models
| Car models | SEAT: ALHAMBRA (710, 711); VW: SHARAN (7N1, 7N2) |
|---|---|
| Engines | 1.4 TSI |
| Year of manufacture | 2010-2022 |
| Manufacturer article number (MPN) | SP4521 |
| OE part numbers | 7N0411105A, 7N0411105B |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
MONROE sp4521 MONROE SPRINGS. Guarantee: 5. Inner Diameter 1 [mm]: 82 mm. Inner Diameter 2 [mm]: 72 mm. Length [mm]: 333 mm. Number of coils: 5,3. Outer Diameter 1 [mm]: 108 mm. Outer Diameter 2 [mm]: 98 mm. Outer Diameter [mm]: 145 mm
- 1x Spring
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 Spring compatible with my car?
This Spring fits SEAT, 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 MONROE Spring have?
This MONROE Spring has the following specifications: Length [mm]: 333 mm; Weight [kg]: 2,237 kg; Spring Design: 10; Outer Diameter [mm]: 145 mm; Outer Diameter 1 [mm]: 108 mm; Outer Diameter 2 [mm]: 98 mm. Check the full specifications table above for complete details.
What OE part numbers does this Spring replace?
This Spring replaces OE part numbers: 7N0411105A, 7N0411105B. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Spring cost?
This MONROE Spring is available for £37.99. Spring prices vary depending on brand, specifications, and vehicle compatibility. MONROE parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Spring?
Regular inspection of your Spring 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 Spring?
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 Spring fitted by a professional mechanic.
Can I use this part as a replacement for OE 7N0411105A?
Yes, this MONROE Spring is a direct replacement for OE part number 7N0411105A. 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 MONROE SP4521 the same as the MONROE SE0042?
No, while both are Spring parts, they are different products. The MONROE SP4521 has Length [mm]: 333 mm, Weight [kg]: 2,237 kg, Spring Design: 10. The MONROE SE0042 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.
