Auto Spare Parts Front Brake Disc(Rotor) for OE#31471752

• Being a world leading professional brake parts manufacturer, Winhere produces more than 55 million units of brake discs and 10 million sets of brake pads annually for OEM and IAM. 

• 96%+ car parc coverage of brake discs and brake pads from A to Z for both passenger cars and commercial vehicles. 

• IATF16949, ISO14001, ISO45001, ECE R90, CNAS certificated. 

• National Green Manufacturer and China’s Champion Enterprise awarded by M.I.I.T. and C.F.I.E. 

• National Standard of “Brake Disc for Automobile” GB/T 34422-2017 is led by National Quality Supervision and Inspection Center for automobile parts, Winhere is the responsible drafting company for this national standard.

Brake Discs Features:                                                   

•Equivalent to OE design 

•Smooth and quick stop 

•Anti-rust 

•Low noise, low dust 

•Optimal thermal performance 

1. Thermal Fatigue Resistance: Engineered for Repeated Heavy Braking Cycles

Our front brake discs are engineered to withstand repeated thermal cycling — the rapid heating and cooling during mountain descents, stop-and-go traffic, and performance driving — without developing thermal cracks that can compromise braking performance and safety. The high-carbon cast iron composition, controlled cooling after casting, and optimized vane geometry work together to minimize thermal stress, ensuring the disc maintains structural integrity and consistent friction performance throughout its service life even under the most demanding conditions.

2. Hub-Centric Accuracy: Center Bore & Bolt Pattern for Vibration-Free Fit

The center bore and bolt pattern are CNC machined to exact OE specifications with tolerances of ±0.02mm, ensuring a perfect hub-centric fit that centers the disc precisely on the wheel hub for vibration-free operation. This precision eliminates the need for hub-centric rings or modification during installation, and ensures the disc rotates concentrically with the hub — preventing the runout, judder, and uneven pad wear that can occur with discs with inaccurate center bore or bolt hole positioning.

3. Friction Surface Parallelism: Controlled for Uniform Pad Wear & Long Life

Both friction surfaces are ground to strict parallelism tolerances (≤ 0.02mm variation across the surface), ensuring the brake pad makes uniform contact across the entire friction surface for even pad wear and consistent braking performance. This precise parallelism also prevents tapered pad wear, extends both pad and disc service life, and eliminates the need for on-car resurfacing before installation — the disc is ready to install straight from the box with no additional machining required.

4. In-House Foundry Advantage: Winhere Casting Control from Raw Material

Unlike many aftermarket suppliers that purchase castings from external foundries, Winhere operates its own in-house foundry, giving us complete control over raw material composition, casting quality, heat treatment, and inspection from the very beginning of the manufacturing process. This vertical integration ensures consistent material quality, allows strict quality control at every stage, and enables rapid production adjustments — resulting in brake discs with predictable, repeatable performance that distributors can rely on batch after batch, without the quality variability common in products from multiple external foundries.

Brake Pads Features:

•High performance 

•Long-life service 

•Anti-fade 

•Low noise, low dust 

•Environmental friendly

1. Friction Layer Bonding: Strong Adhesion to Prevent Delamination

The friction material is bonded to the steel backing plate using a high-strength adhesive and mechanical bonding process that ensures the friction layer remains securely attached throughout the full service life of the pad, even under high temperatures and heavy braking loads. This strong bonding prevents delamination — the separation of friction material from the backing plate that can cause sudden brake failure — and is verified through shear strength testing on every production batch, ensuring each pad set meets or exceeds OE adhesion standards for reliable, safe operation.

2. Cold Bite Performance: Strong Initial Braking from Ambient Temperatures

Our friction compound is formulated to provide strong initial bite from cold starts (ambient temperature to 100°C), ensuring responsive braking performance immediately after the vehicle begins moving — without the delayed or spongy pedal feel that can occur with pads requiring heat buildup before reaching optimal friction. This cold bite performance is particularly important for city and suburban driving where the first stop often occurs before the brakes have warmed up, providing drivers with confident, predictable braking from the moment they press the pedal.

3. Pad Set Consistency: Uniform Thickness & Friction Across All Four Pads

Each brake pad set is manufactured with strict thickness consistency (±0.1mm across all four pads in the set) and uniform friction material composition, ensuring all pads wear evenly and contribute equally to braking performance on both sides of the axle. This consistency prevents the uneven wear and braking imbalance that can occur when pads in a set have varying thickness or friction characteristics, and ensures the vehicle maintains straight, stable braking with no pull to one side — an important safety consideration often overlooked by lower-quality aftermarket pad manufacturers.

4. Non-Corrosive Dust: Light-Colored Particles That Protect Alloy Wheels

The friction compound is engineered to produce light-colored, non-corrosive dust particles that are less visible on alloy wheels and less damaging to wheel finishes compared to the dark, corrosive dust generated by standard semi-metallic pads. This dust composition preserves the appearance of Mercedes-Benz and Volkswagen factory alloy wheels, reduces wheel cleaning frequency, and prevents the pitting and discoloration that can occur when corrosive brake dust remains on wheel surfaces for extended periods — an important benefit for owners who take pride in their vehicle's appearance and want to maintain wheel resale value.

• 100% critical dimensions, runout and DTV inspection 

• Material physical and chemical inspection

• Test shear strength, compressibility, density, flatness and parallelism 

• Test performance and noise/NVH