Modern Elantra Front Brake Discs

It features original 1:1 dimensions, allowing for direct in - situ replacement without any modifications. Cast integrally with HT250 cast iron and trace titanium - boron alloy, it is equipped with 34 optimized internal straight rib ventilation grooves. Tailored for standard Elantra models with 15 - inch wheel hubs (excluding the N - Line version), it perfectly meets the braking demands of both gasoline and hybrid variants. It provides a smooth driving experience for urban commuting and complies with the low - emission standards for new energy vehicles.

Euro 7 and China 7 regulations are indeed driving the brake system industry toward low-emission transformation. However, this change primarily affects original equipment matching for new vehicles rather than existing cars already on the road. The part 51712AA000 fits multiple models, including Hyundai Elantra CN7 (2020-2023 versions excluding multi-link rear suspension editions), Hyundai Kona (15-inch wheel versions excluding N/N-Line variants), Kia Niro (2023-2025 non-all-electric versions) and the 2025 Kia K4. The performance of this brake disc on actual roads is analyzed under three distinct driving scenarios.

Scenario 1: Pickup Trucks and Off-road SUVs - Hyundai Kona, Kia Niro
Though classified as compact SUVs, the Kona and Niro bear substantial front axle braking loads when fully loaded with five passengers, luggage and a roof cargo box during long highway trips. The disc temperature can easily exceed 400 degrees Celsius during continuous downhill driving on mountain roads. This ventilated brake disc features an outer diameter of 280mm and a standard thickness of 25mm. Its internal ventilation fins continuously draw cold air through the disc core as wheels rotate. Combined with engine braking, reliable braking stability is maintained under high-temperature conditions. The fully encapsulated electrophoretic coating prevents rust formation on non-friction surfaces after driving through water or muddy terrain, a practical advantage valued by SUV owners who frequently travel on rough roads.

Scenario 2: Japanese and Korean Family Sedans - Hyundai Elantra CN7, Kia K4
Drivers of the Elantra and K4 commonly face frequent stop-and-go urban traffic and light braking operations. Rather than extreme braking power, annoying issues include squealing noises during low-speed stops, slight steering wheel vibration when braking lightly at high speeds, and inconsistent brake pedal feedback. The surface roughness of this disc is controlled within Ra 1.0-2.0 micrometers during machining, lower than the 1.8-2.5 micrometer tolerance range of most original factory parts. Matched with original-equipment-grade ceramic brake pads, it delivers smooth pedal response from light application to full stop. Every disc undergoes individual dynamic balance weight correction via automatic equipment before delivery, eliminating disturbing steering wheel wobble during gentle braking at a cruising speed of 110 kilometers per hour.

Scenario 3: High-performance Sport Vehicles - Elantra N-Line, K4 GT-Line
Sport-tuned models such as the Elantra N-Line and K4 GT-Line generate intense heat energy during sharp deceleration from 120 kilometers per hour to 60 kilometers per hour. The 25mm standard thickness provides ample heat capacity reserve. Made of HT250 high-carbon gray cast iron, the disc boasts evenly distributed type A graphite and stable pearlite structure, granting strong resistance to microscopic thermal distortion under repeated heating and cooling cycles. This property proves more crucial than nominal parameters during successive heavy braking before curves.

The front brake disc for HYUNDAI 51712AA000 is compatible with a wide range of cars, as follows:

There are different corresponding codes for the front brake disc for HYUNDAI 51712AA000.

Graphene-reinforced Zinc-aluminum Self-healing Coating Combined with Laser Micro-texture Technology
Adopting the combined surface treatment technology of graphene-reinforced zinc-aluminum self-healing coating and laser micro-texture, this product stands as the cutting-edge environmentally friendly anti-corrosion technical solution in the braking industry. It outperforms traditional electrophoretic coating, Dacromet coating and zinc-aluminum-magnesium coating, achieving substantial improvements in anti-rust performance, environmental protection and braking stability.

1. Delivery and Logistics

• Packaging Protection: Each brake disc is individually wrapped with three layers of bubble bag, EPE foam and cardboard partition, then packed into five-layer corrugated cartons. Corner protectors are installed on four corners to avoid collision damage and coating scratches during transportation.
• Shipping Warehouse: Direct shipment from Qingdao Port, Shandong. Adjacent to the port with convenient logistics. Dedicated inventory for Hyundai CN7 platform with sufficient stock available.
• Delivery Cycle: Standard orders will be shipped within 18-33 days after confirmation. Expedited production is available for urgent orders, with delivery within 6-13 days.
• Logistics Options: Customers can appoint freight forwarders. COSCO SHIPPING or Maersk are adopted by default to cut transportation costs. Full container direct delivery is offered for bulk orders of compact cars, and consolidated container service is applicable for small-batch orders.
• Customization Service: Custom packaging and labels printed with customer logos are supported. The minimum order quantity is 60 pieces, and mixed batch orders are acceptable.

2. After-sales Service and Warranty

• Warranty Policy: This Front brake disc for HYUNDAI ELANTRA 51712AA000 enjoys a warranty of 80,000 kilometers or 12 months. Special warranty of 75,000 kilometers or 11 months is provided for hybrid vehicle users, and 55,000 kilometers or 9 months for online car-hailing vehicles. The warranty covers casting defects, surface treatment faults and dimensional deviations.
• After-sales Response: If products have surface defects, dimensional errors or coating peeling, customers can submit clear photo evidence. We promise an initial response within 10 hours and a final solution within 30 hours, with free replacement or full refund available.
• Quality Assurance: Every brake disc undergoes 100% factory inspection with diameter tolerance of ±0.1mm and thickness tolerance of ±0.05mm. Unqualified products are prohibited from delivery. After-sales review will be finished within 2 working days.
• Return and Exchange Policy: We bear all round-trip freight for returns and exchanges caused by manufacturing defects. Free replacement will be arranged within 12 hours for damaged products upon opening. Customers shall cover return shipping fees for non-quality related returns, and refund or replacement will be completed within 4 working days after receiving returned goods.

1.Installation Notes

• Clean oil, dirt, and debris on the wheel hub and bearing seat before installation.
• Confirm all parameters (diameter, thickness, PCD, centering diameter) match the original part.
• Use standard torque for assembly to avoid vibration or noise.

2. Service Life

• Normal service life: 40,000–80,000 km (related to driving habits & road conditions).
• Recommended inspection every 20,000 km.

3. Can you customize drilled/slotted/color?
Yes, we support customized surface treatment, logo, and packaging.

4. Do you accept OEM/ODM?
Yes, we provide professional OEM/ODM service for global distributors.

In May 2026, the braking system industry stands at a crossroads, shifting from traditional cast iron processes to advanced coating technologies driven by Euro 7 and China 7 emission standards.

Euro 7 will take effect for new vehicle type approval on November 29, 2026. It will for the first time impose mandatory limits on brake particulate emissions, with the PM10 emission cap set at merely 3mg per kilometer for pure electric vehicles.

Brake discs with laser-clad hard alloy coatings feature a surface hardness of no less than 600HV, 3 to 5 times higher wear resistance, and over 50% reduced particulate emissions. Europe has built a production capacity of 12 million units, while relevant domestic association standards were officially initiated and released in 2025.

Although the domestic price of carbon-ceramic brake discs has dropped to 13,000 yuan per pair, industry insiders generally agree that they are only suitable for high-performance vehicles weighing over 2 tons at present. Ordinary family cars do not need their extreme heat resistance for daily commuting.

In practical terms, for owners and auto parts dealers of Korean economical models including Elantra, Kona, Niro and K4, the 280mm high-precision ventilated cast iron brake disc marked 51712AA000 serves as the most practical, reasonable and cost-effective maintenance solution for braking systems. It requires neither new production lines for laser cladding nor high budgets for carbon-ceramic products. It only relies on solid casting techniques, precise CNC machining, strict full inspection of every single disc, and reliable electrophoretic coating that resists salt spray and muddy water erosion.

Operators running independent Google websites shall create in-depth content based on such insights. Overseas buyers searching for "51712AA000 brake disc" focus on far more than basic parameters. Once they fully understand industry trends, recognize strict quality control standards and confirm after-sales policies, purchase orders will follow naturally.

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