MONROE Spring (SP4409) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Length [mm]: 365 mm, Weight [kg]: Cast Iron, 35 kg, Spring Design: Brass, Outer Diameter 1 [mm]: 145 mm, Outer Diameter 2 [mm]: 127 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with FIAT, OPEL, RENAULT, VAUXHALL vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 20165, 4063576, 8750 24208, 90248461 and 9 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.

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.