Front Brake Disc for Buick Envision

The front brake disc we're discussing today, with part number 13517848, is a brake disc designed specifically for the Buick Envision models from SAIC-GM. As a mid-size SUV, the Envision has a considerable weight, which means the front wheels have to bear a large braking force; as a result, the requirements for brake discs are higher than those for ordinary cars.

This brake disc features a ventilated design – in other words, there are ventilation channels built into the center of the disc. When braking, the temperature of the disc rises sharply, and these ventilation channels act like fan blades, helping to dissipate heat as the wheel rotates, thus facilitating active cooling. This design is particularly useful when driving downhill continuously or when braking frequently, as it helps to delay heat buildup and ensures that the braking performance remains optimal.

In terms of material, this brake disc is made from high-quality gray cast iron, with carbon content and graphite structure that comply with OE standards. Some drivers may not understand what the graphite structure means – simply put, graphite exists in flake form within the cast iron, and its shape and distribution directly affect the disc's ability to dissipate heat and its resistance to thermal cracking. If not manufactured properly, the brake disc can deform or vibrate after being used for some time. Our brake discs are crafted with careful attention to material composition and casting processes, so that they can maintain their performance even under high temperatures.

In terms of size, this front brake disc is suitable for the Envision's front axle and falls under standard ventilated disc specifications. Whether it's a 1.5T or 2.0T version of the Envision, as long as the OE number matches, the disc will fit perfectly.

Ultimately, brake discs aren't something that can be seen or touched on a daily basis, but they are crucial in critical moments for ensuring safety. Choosing a reliable brake disc is far more important than choosing an attractive set of wheels..

The Front Brake Disc for Buick Envision 13517848 is compatible with a wide range of cars, as follows:

There are different corresponding codes for the Front Brake Disc for Buick Envision 13517848

Surface Spraying Technology: More Than Just Good Looks
When many car owners receive new brake rotors, their first thought is "Wow, they come with paint, that's thoughtful." But truth be told, this coating serves far more purposes than just aesthetics.
Our rotors feature a high-temperature anti-rust coating process on their surfaces, rather than a casual coat of ordinary paint.
Just consider the harsh operating conditions brake rotors endure: splashing rainwater in wet weather, de-icing agents in winter, high temperatures in summer, and instant temperature spikes of several hundred degrees during braking... Conventional paint will peel and flake off within just a couple of days under such conditions.

Our coating delivers these tangible practical benefits:
First, rust and corrosion resistance. The coating effectively blocks moisture and oxygen. Especially at the easily overlooked area behind the wheel hub, this protective layer prevents the rotor hub and edges from rusting badly like scrap metal. You may have seen old vehicles on the road whose rusted brake rotors make wheel removal nearly impossible-that is exactly what happens without a protective coating.
Second, ready-to-install straight out of the box with no cleaning required. Uncoated brake rotors are factory-treated with anti-rust oil, which requires heavy spraying with brake cleaner before installation. This process is both cumbersome and polluting. Our coated rotors can be mounted immediately after unpacking for greater convenience.
Third, easier disassembly in the future. The coating covers the mounting contact surfaces, preventing the rotor from fusing to the wheel hub over time. Mechanics will not need to use sledgehammers when replacing the rotors next time.
Fourth, superior visual appeal. If you have alloy wheels, the contrast is stark when peering through the spokes: a rust-stained brake rotor versus a clean, coated one.
The coating is made of eco-friendly materials free of harmful chemical solvents, making it environmentally sustainable.

Factory Processing Workshop: Every Single Rotor Undergoes Rigorous Inspection
A high-quality brake rotor has to pass far more rigorous checkpoints than you might imagine, from molten iron to finished product.
Our processing workshop is equipped with high-precision CNC machining centers and automatic casting lines. The casting process directly determines the internal quality of rotors-even tiny deviations in molten iron temperature, pouring speed or cooling duration are unacceptable. The cast blanks first go through rough machining, followed by precision finishing on vertical CNC lathes, which maintain the flatness and thickness tolerance of rotor surfaces within extremely strict limits.

Dynamic balance testing deserves special mention here. Uneven metal shrinkage during casting leads to inconsistent mass distribution across all sections of a brake rotor. Excessive unbalance will trigger violent vibration during high-speed braking after installation, which even transmits to the steering wheel. Our workshop implements 100% full dynamic balance inspection on every rotor. Testing equipment precisely marks unbalanced positions and weight discrepancies, which are then fine-tuned to restore perfect balance. It is no exaggeration to state that every rotor shipped out passes this critical procedure.

Beyond dynamic balance testing, a full range of inspection procedures are carried out, including full dimensional inspection, runout testing and flaw detection. The rotor surface runout is controlled within 0.03 millimeters-thinner than a human hair. Only with such precision can bumpy, jerky braking sensations be eliminated after vehicle fitting.

The entire production process complies with the IATF16949 quality management system certification standards, enabling full traceability from raw material intake to finished product delivery. Each rotor is assigned a unique identification code, allowing full backward tracing to melting numbers, production batches and even shift operators in the event of any quality issues.

After-sales Service Guarantee: Shop with confidence, use with peace of mind
Frankly speaking, even the highest-quality products may encounter unexpected issues. We do not fear malfunctions; what we dread is receiving no support once problems arise.

We offer clear quality assurance for this 13517848 brake disc. Any defects in materials or manufacturing that occur under normal operating conditions-such as disc surface cracks, abnormal wear, deformation and other issues caused by non-human factors-are covered by the guarantee.

Detailed guarantee periods and terms will be fully explained at the time of purchase. One principle is crystal clear: we will not engage in misleading fine print with vehicle owners. Compensation and replacements will be provided where due, with no evasion or haggling.

An additional reminder for Envision owners: always replace both left and right brake discs on the same axle simultaneously. Some vehicle owners opt to replace only one side to cut costs, which results in uneven wear between the two discs. This causes the vehicle to pull to one side during braking, creating greater hazards. This expense should never be skimped on.

It is also recommended to have the brake discs installed by an experienced auto repair shop, with fasteners tightened to the specified torque (the front brake disc mounting bolts for Envision typically require a torque of 120–140 N·m). Overly loose fasteners lead to wobbling, while over-tightening may damage the screw threads; neither scenario is acceptable.

Q: What are the differences between this 13517848 brake disc and the original disc sold at the 4S shop?

A: They share the same OE number, and their specifications, dimensions, material standards and process requirements all comply with original factory standards. You can think of them as being made with identical formulas and manufacturing techniques, the only difference lies in sales channels. They are more cost-effective than those at 4S shops since there are fewer intermediate distributors involved.

Q: How often should the brake discs of Envision be replaced?

A: The official recommendation is to inspect them around every 100,000 kilometers. In practice, checking the wear condition is more reliable. The original front brake disc has an initial thickness of approximately 28 mm, and replacement is required once it wears down to below 22 mm. If there are grooves deeper than 0.5 mm or visible cracks on the disc surface, replace it promptly without hesitation. Besides, if the steering wheel or vehicle body shakes during braking and tire issues are ruled out, the brake discs are almost certainly the culprit.

Q: Is a break-in period needed after installing new brake discs?

A: This model of brake disc undergoes precision turning before leaving the factory, delivering an extremely flat surface, so intentional break-in is largely unnecessary after installation. However, avoid hard or sudden braking for the first several hundred kilometers to let the brake pads and disc surface fit gradually, which will deliver increasingly smooth braking performance.

Q: Why does my brake disc rust right after washing the car?

A: Brake discs are mainly made of iron, so surface light rust after contact with water is a normal occurrence. A few brake applications will grind off the rust. Severe rust that penetrates deep into the disc surface and flakes off in large pieces indicates inadequate anti-rust treatment on the disc. Our coated brake discs feature protective coatings on non-friction surfaces, preventing severe penetrating rust.

Q: Are the brake discs for the 1.5T and 2.0T versions of Envision interchangeable?

A: For front brake discs, compatibility depends on the specific OE number. The part number 13517848 corresponds to a specific specification. For maximum safety, verify the part number of your original brake disc on the vehicle before purchase, or provide your vehicle identification number for the seller to match the correct product.

Over the past two years, several notable shifts have taken place in the brake disc industry:

First, coating technology has gained widespread adoption. In the past, only premium brands could afford to apply coating treatments to brake discs, yet nowadays an increasing number of mid-range vehicle models and aftermarket products come with coatings as standard equipment. A diverse array of technical solutions has emerged, including UV-curable coatings, zinc flake coatings, and water-based paint coatings. Consumers' mindsets have also evolved-they no longer focus solely on price, but start prioritizing long-term benefits such as rust resistance and durability.

Second, stricter environmental regulations are driving technological upgrades. The EU Euro 7 emissions standards are set to take effect in November 2026, introducing mandatory limits on brake particulate emissions for the first time. China's National Stage VII emissions standard is also in the pipeline. This means brake discs must not only deliver reliable stopping power but also enable "clean braking" by cutting down dust emissions generated during friction. Laser cladding technology stands as a key solution to address this trend. By cladding a hard alloy coating onto disc surfaces, the wear resistance of brake discs multiplies several times over, while particulate emissions drop by more than 50%. Though this technology is currently primarily deployed on high-end vehicles, it will inevitably trickle down to mainstream models in due course.

Third, production automation levels keep rising. Leading domestic brake disc manufacturers have rolled out large-scale intelligent production lines that automate the entire workflow, from blank processing and dynamic balance testing to painting and packaging. This has significantly boosted production capacity and consistent product quality.

Here are two practical tips for owners of Envision vehicles to keep in mind:

Tip 1: Inspect the brake disc when replacing brake pads. Many vehicle owners only remember to swap out brake pads while overlooking the condition of brake discs. If worn brake pads are left unmodified until their metal backplates grind directly against the disc, the entire disc will be ruined. It is recommended to measure the disc thickness with a vernier caliper and check for obvious grooves on the disc surface every time brake pads are replaced. Early detection and maintenance prevent minor issues from escalating into costly repairs.

Tip 2: Avoid frequent hard braking. While this advice may sound commonplace, it is the most effective way to extend brake disc service life. Hard braking causes the brake disc temperature to spike sharply, followed by rapid cooling. Repeated thermal expansion and contraction constitute the primary cause of brake disc warpage and cracking. Anticipate road conditions in advance and decelerate gently-this practice saves both fuel and brake discs, making it a win-win choice.

One final note: Brake discs operate inconspicuously in daily use, yet every brake application relies entirely on them. A well-chosen brake disc silently safeguards you for 100,000 kilometers; a poor-quality one may fail at critical moments, which carries far greater consequences than mere financial loss. The front brake disc model 13517848 undergoes rigorous scrutiny at every stage, from raw material selection and manufacturing processes to quality inspections. Owners of Buick Envision vehicles, secure peace of mind by choosing the right brake disc.

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