Front Brake Disc for Volvo V40 (Fuhao)

[Volvo V40 (Swedish Edition) Front Brake Disc Part No. 31341644] We developed this product following exactly this design logic. It is made of HT250/GG20 high-carbon grey cast iron with hardness controlled within 180 to 220 HB. What is the rationale behind this hardness range? Simply put, it strikes a perfect balance between softness and hardness. An overly soft disc wears rapidly, forcing vehicle owners to replace it frequently; an excessively hard disc tends to damage brake pads and may generate abnormal noise. This hardness rating was finalized after countless bench tests and real-vehicle verifications, striking an optimal balance between wear resistance and low noise performance.

Boasting a 320-millimeter diameter and 25-millimeter thickness, paired with an internal vented slot structure, it delivers vastly superior heat dissipation efficiency compared to solid brake discs. The vented slots should not be underestimated. During stop-and-go urban traffic jams, brake discs build up substantial heat. Poor heat dissipation will trigger brake fade, resulting in a spongy brake pedal feel. Our vented slots are optimized via flow field simulation. As the disc rotates, they draw in more cold air to rapidly lower the disc surface temperature, thereby maintaining stable braking performance at all times.

The Front Brake Disc for Volvo V40 (Fuhao) 31341644 is compatible with a wide range of cars, as follows:

Volvo (Fuhao) V40 Fastback (525) 2012/03-2019/08

The Front Brake Disc for Volvo V40 (Fuhao) 31341644 corresponds to several different codes

【Volvo V40 (Luxury Version) Front Brake Disc 31341644】We adopt a double-layer spraying solution of zinc-rich epoxy primer base coat + acrylic polyurethane top coat, instead of the low-cost products on the market that are simply coated with a single layer of black paint for shoddy finishing.

Many car owners may think painting brake discs is unnecessary, as the friction surface will be polished clean after a few brakes after installation. This is only half correct – the friction surface does get worn smooth, but what about the non-friction surfaces? These include the central hub, outer side edges and inner walls of ventilation grooves on the disc, areas that cannot be polished by braking and are most prone to rusting. As a urban commuter vehicle, the Volvo V40 is driven daily and constantly exposed to rain, snow, de-icing agents and coastal salt spray. Ordinary brake discs will develop patchy yellow and red rust on the central hub and edges within half a year of installation. Apart from being unsightly, the rust layer will expand over time, restricting the sliding space of brake pads inside the caliper, and in severe cases, causing brake drag and poor brake return.

Therefore, investment in surface treatment is absolutely worthwhile and cannot be compromised.

For the non-friction surfaces of the 【Volvo V40 (Luxury Version) Front Brake Disc 31341644】, we apply a water-based UV ultraviolet curing coating process. The biggest difference between this technology and traditional paint is straightforward: UV paint cures and forms a finished film instantly under ultraviolet irradiation, requiring no high-temperature oven baking and containing no pungent organic chemical solvents.
This process delivers tangible practical benefits:

First, it provides superior rust resistance. Ordinarily painted brake discs start to rust after 200 to 300 hours in a salt spray environment, while the UV coating boasts far superior salt spray resistance, withstanding over 700 hours of salt spray exposure. For regions with winter de-icing salt application such as Northern Europe or coastal cities, our brake discs keep the central hub and edges spotless throughout the year without severe rust accumulation.

Second, it simplifies vehicle installation. Uncoated brake discs usually develop surface rust on the edges once unpacked, requiring installers to spend extra time sanding and cleaning, which is labor-intensive and messy. Our discs are finished with protective coatings at the factory and can be directly installed after unpacking with no additional treatment needed, saving time and effort.

Third, it is environmentally friendly. Traditional paint forms a film through solvent volatilization and contains high levels of VOCs (Volatile Organic Compounds), which are environmentally harmful and detrimental to workers' health. UV paint uses water as a diluent with almost no odor, complying with EU environmental standards and avoiding environmental compliance issues for exports to Europe.

One crucial detail deserves emphasis: our coating is exclusively applied to non-friction surfaces, with zero paint coverage on friction surfaces. Some manufacturers cut corners by fully submerging and painting the entire disc, resulting in poor braking performance for the first few hundred kilometers after installation due to residual paint on friction surfaces. We avoid such superficial practices. We ensure full coating coverage on required areas and no paint on friction surfaces, guaranteeing immediate usability and uncompromised braking performance after installation.

We implement stringent quality control over our full range of brake discs right from the casting stage. Two 1.5-ton electric arc furnaces deliver stable and sufficient production capacity, while our automated machining workshop ensures exceptional dimensional accuracy. Our dedicated anti-rust cleaning line further provides reliable and long-lasting corrosion protection for every product.

Equipped with two electric arc furnaces, over 20 sets of CNC machines and a complete set of precision testing equipment, we boast independent mold R&D capabilities, enabling us to continuously develop customized brake discs for new vehicle models. To date, we offer more than 5,000 product models and over 3,000 sets of molds, supported by a full set of specialized surface treatment facilities.

Our surface treatment covers premium processes including drilled & slotted, painting and Dacromet coating. We also specialize in high-carbon, modified and racing-grade brake discs, fully satisfying the diverse and high-standard demands of global customers.

Packaging Details
Each set contains two brake discs. Each disc is wrapped twice with OPP pearl cotton before being placed into customized corrugated cartons. Molded pulp separators inside each carton separate the two discs to prevent collision and scratching. One complete set weighs approximately 22 kilograms, enabling easy handling. Markings including "Handle With Care", "This Side Up" and "Keep Dry" are printed on the exterior of every carton for clear guidance during loading and unloading.

For full container shipments, palletized packaging is available. We follow standardized operating procedures specifying the exact number of cartons per pallet and the most stable stacking method. This ensures the goods remain neatly stacked without shifting or scattering upon the container's arrival at the destination port.

Delivery Lead Time: Standard orders will be delivered within 25 to 35 working days upon confirmation. For regular models we produce frequently, such as 【Volvo V40 Premium Front Brake Disc 31341644】, finished goods may be available in our warehouse occasionally. After you place the order and confirm specifications, shipment can be arranged within three to five days. You may consult our sales team prior to placing your order to check stock availability.

Forwarder Coordination: We frequently handle cases where customers appoint their own freight forwarders, and this arrangement is fully acceptable. You only need to provide us with your forwarder's contact information within 72 hours after order confirmation. We will coordinate all subsequent procedures including space booking, trucking, customs declaration and bill of lading issuance with your forwarder, so you do not need to handle these matters personally.

Q1: Can this front brake disc Part No. 31341644 for Volvo V40 be used on the V40 Cross Country?
A: Yes, it is fully compatible. The front brake systems of the Volvo V40 and V40 Cross Country are identical, so the part number 31341644 is interchangeable. However, please note that the V40 comes with three different brake disc size options: 278mm, 300mm and 320mm, which depend on your vehicle's specific trim level. The part number 31341644 corresponds to the 320mm large disc, typically fitted to high-power T5 variants or vehicles equipped with an upgraded big brake package. If you are unsure about your vehicle's specifications, we recommend sending us your VIN or the original part number from your vehicle for verification to avoid mistakes.

Q2: The minimum wear thickness of this brake disc is 23 mm. At what thickness should it be replaced?
A: While 23 mm is the theoretical wear limit, we suggest replacing the disc when its thickness drops to approximately 23.5 mm in practical use. Here is the reason: newly installed brake pads require a running-in period. If the disc is already worn down to the absolute limit, the thickness may fall below the safety threshold once the new pads finish bedding in. Maintaining a small thickness margin also helps handle unexpected driving conditions and prevents brake failures on the road. Safety comes first-do not cut corners on this expense.

Changes in brake disc wear brought by electrification. Battery electric and plug-in hybrid vehicles are equipped with regenerative braking systems (energy recovery). The electric motor generates electricity in reverse during deceleration and takes on part of the braking work. This means the actual service frequency of mechanical brake discs is decreasing, slowing down their wear rate. At the same time, however, electric vehicles have increased curb weight due to heavy batteries. Whenever mechanical braking needs to engage, it is usually for hard braking or emergency scenarios, resulting in an even higher instantaneous thermal load. Though the V40 has a hybrid variant, it is predominantly powered by conventional fuel engines overall, so the impacts of this trend on the aftermarket will manifest more prominently in the long run.

Popularization of high-carbon materials. Conventional ordinary gray cast iron brake discs are being gradually replaced by high-carbon alloy materials.

High-carbon alloys maintain superior hardness at high temperatures, feature stronger resistance to thermal cracking, and deliver better control over brake noise. Our V40 brake discs adopt the high-carbon alloy solution to cope with high-temperature operating conditions caused by frequent braking in urban driving while suppressing brake noise - a critical advantage for vehicles like the V40 that prioritize ride comfort for drivers and passengers alike.

ECE-R90 certification as the market entry threshold for Europe. Certification requirements for brake discs in the European market have grown increasingly stringent.

ECE-R90 certification has become a mandatory market access threshold for aftermarket brake discs sold in Europe. Our mass-produced V40 brake discs are manufactured and inspected in strict compliance with this standard to guarantee full alignment with European market regulatory requirements. This factor deserves particular attention if your target customers are based in Europe.

Regionalized supply chains and cost advantages. The global automotive parts supply chain has undergone significant restructuring over the past few years. A growing number of overseas purchasers have recognized the stability and cost competitiveness of China's supply chain. As China's largest production base for brake discs, Shandong boasts an exceptionally complete industrial chain covering casting, machining and surface treatment - a rarity worldwide. This enables us to control costs during mass production while maintaining consistent delivery lead times.

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