FAQ

Use our 4S-Level Matching System. Provide your vehicle make, model, year, and position (front/rear, left/right), or send us your VIN. Our database covers 500+ models across 50+ vehicle brands with 99.5% match accuracy. Contact our sales team for free fitment assistance.

Gen 1 is a standalone bearing (separate from hub). Gen 2 integrates the bearing with the hub flange. Gen 3 adds an ABS sensor and is a complete bolt-on assembly. Gen 3 is standard on most vehicles from 2005 onwards. Read our detailed comparison guide.

Gen 3 wheel hub units include pre-installed, pre-calibrated ABS sensors. Gen 1 and Gen 2 do not include ABS sensors as they are bearing-only units. Check your vehicle's original equipment to determine which generation you need.

Yes. Huayuan bearings are manufactured to IATF 16949 standards (the same quality management standard used by OEM suppliers). We use the same GCr15 bearing steel, achieve HRC 58-62 hardness, and our 0% return rate compares favorably to OEM average return rates of 1-3%.

We cover 50+ vehicle brands including Honda, Toyota, Ford, BMW, Audi, Nissan, Hyundai, Kia, Volkswagen, Mercedes-Benz, Chevrolet, Mazda, Subaru, Suzuki, Mitsubishi, Renault, Peugeot, and more. 500+ models in total.

Yes, many of our bearings are suitable for light commercial vehicles. For heavy-duty commercial applications, please contact our technical team for specific recommendations.

DVSK is our premium brand for demanding applications and brand-conscious markets. HJDP is our mid-range brand balancing quality and value. SDW is our value brand for budget-conscious buyers. All three brands share the same manufacturing standards but differ in surface treatment, packaging, and price point.

Yes, every product listing includes OEM reference numbers (e.g., Honda 42200-S9A-A01) and aftermarket cross-references (e.g., 513179, BR930631). Use these to verify fitment before ordering.

MOQ varies by brand: DVSK starts at 100 pieces, HJDP at 50 pieces, SDW at 200 pieces. Sample trial orders from 10 pieces are available for new customers. Contact sales for specific MOQ on custom items.

Yes. We encourage sample testing. Sample orders start from 10 pieces. Sample pricing is slightly higher than bulk pricing, but the difference is credited back when you place a bulk order (minimum 500 pieces).

We accept T/T (bank transfer), PayPal (for orders under $5,000), Western Union, and Letter of Credit (L/C) for orders over $30,000. 30% deposit + 70% before shipment is standard for new customers.

Yes. After 3 successful orders and a credit assessment, we offer Net 15 or Net 30 terms to qualified distributors. Minimum annual purchase volume of $50,000 required.

Due to the large number of models and volume-based pricing, we provide custom quotations. Send us your product list with estimated quantities, and we'll send a detailed quotation within 24 hours.

Yes. We have 4 pricing tiers: Sample (10-49 pcs), Small (50-499 pcs), Medium (500-4,999 pcs), and Large (5,000+ pcs). Volume discounts range from 5% to 25% off sample pricing.

Express shipping (DHL/FedEx/UPS): 3-7 business days globally. Air freight: 5-10 business days. Sea freight: 15-35 days depending on destination. In-stock items ship within 24 hours of payment confirmation.

Shipping costs depend on weight, volume, destination, and method. We provide FOB Qingdao pricing by default. For DDP (delivered duty paid) shipping, we can arrange door-to-door delivery — request a shipping quote with your order.

We currently ship to 80+ countries. If you don't see your country at checkout, contact us and we'll arrange shipping through our freight partners. We cannot ship to countries under UN/US/EU trade sanctions.

Defective products: full replacement or refund within 12 months of delivery. Wrong fitment (our error): full replacement at our cost. Wrong fitment (customer error): 20% restocking fee. Unopened stock: returnable within 30 days for 15% restocking fee.

Standard warranty: 12 months / 30,000km from delivery date. Extended warranty available for OEM partners (up to 24 months). Warranty covers manufacturing defects only — not damage from improper installation or abuse.

We provide detailed installation guides for each product type. See our installation tutorial blog series, or contact our technical team for one-on-one guidance via WhatsApp or video call. Always use a torque wrench and follow manufacturer torque specifications.

Torque specs vary by vehicle. As a general rule: axle nut torque ranges from 150-280 Nm, and hub-to-knuckle bolt torque ranges from 80-120 Nm. Always check the vehicle manufacturer's service manual for exact values. Over-torquing is the #1 cause of premature bearing failure.

Common symptoms include: grinding or humming noise (increases with speed), ABS warning light, uneven tire wear, steering wheel vibration, and play/wobble when jacking up the wheel. If you notice any of these, have the bearing inspected immediately.

No. Our bearings are permanently sealed and lubricated. The triple-lip seal prevents grease from escaping and contaminants from entering. Attempting to open or re-grease the bearing will damage the seal and void the warranty.

Under normal driving conditions, our bearings have an L10 life (the life at which 90% of bearings will still be functioning) of 100,000+ km. Actual lifespan depends on driving conditions, installation quality, and vehicle maintenance.

Yes. We offer free technical training sessions via video call for our distributors, covering product knowledge, installation techniques, common troubleshooting, and sales strategies. Contact your account manager to schedule.

Technical support is available via:
- Email: tech@skfzc.cc (response within 24 hours)
- WhatsApp: +86-15550212309 (response within 4 hours, business hours)
- Video call: schedule through your account manager
Support available in English, Spanish, Russian, and Chinese.