PRODUCTS
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1. Application & Related Suspension Parts
The U-bolt clamps the leaf spring pack to the axle seat. Related parts include U-bolt nuts, washers, spring plates and axle seats.
2. Fitment Confirmation Before Order
Please confirm whether the 150 mm width is measured between the inside faces of the legs or from center to center. Verify what the 20-48 range represents and its unit, along with the bend profile, thread pitch and threaded length.
3. Suitable Buyer & Supply Use
Suitable for semi-trailer parts wholesalers, suspension repair workshops and trailer maintenance suppliers.
Our Advantages
A full range of semi-trailer spare parts, including trailer axles, suspension components, brake parts and wheel-end parts
Bulk wholesale supply and support for mixed container orders
Part matching by part number, photo or sample
Neutral and customized packaging options
Export experience across Africa, the Middle East, South America, Southeast Asia and Central Asia
Flexible shipping by express courier, air freight or sea freight
Long-term supply support for semi-trailer parts importers, wholesalers, repair shops and fleet maintenance teams



------>Q1. How can I confirm the correct truck parts before ordering?
Please provide the part number, truck model, axle model, engine model or transmission model. If the part number is unavailable, you can send us product photos, dimensions, nameplate information or samples. Our team will check the details with you before confirming the order to reduce matching errors.
------>Q2. Can I purchase different truck parts in one order?
Yes. WOPU supplies a wide range of heavy-duty truck parts, including axle, chassis, transmission, engine and cab components. We support mixed-product orders and consolidated shipments, helping repair shops, wholesalers and importers reduce purchasing time, shipping costs and supplier management work.
------>Q3. What is your minimum order quantity?
The MOQ depends on the product type, weight, packaging method and stock availability. Small trial orders are available for many stocked items, while more competitive pricing can be offered for wholesale and container orders. Please send us your purchasing list for a detailed proposal.
------>Q4. How do you control product quality?
We check key specifications, dimensions, materials, appearance and packaging according to the requirements of each product. Photos or videos can be provided before shipment when required. For large or customized orders, samples can also be confirmed before batch production.
------>Q5. Can you provide samples before a bulk order?
Yes, samples are available for many products. If the item is in stock, we can arrange it after confirming the sample and courier costs. For customized products, sample preparation time and charges will be evaluated according to the drawing, sample or technical requirements.
------>Q6. Do you support OEM, ODM and customized packaging?
Yes. We support product development based on samples or drawings, as well as customized dimensions, materials, markings, labels and packaging. WOPU packaging, neutral packaging and authorized customer-brand packaging are available according to order quantity and product requirements.
------>Q7. How do you quote prices, and what payment terms do you accept?
Prices are calculated according to the part number, quantity, quality level, packaging and delivery terms. A detailed quotation will be provided after we review your purchasing list. Common payment methods include T/T and L/C, with payment terms confirmed according to the order value and cooperation conditions.
------>Q8. What are your delivery and after-sales arrangements?
Delivery time depends on stock availability, order quantity and customization requirements. We can arrange consolidated shipment through Qingdao, Tianjin, Shanghai or Guangzhou. If any product issue occurs, please provide photos, videos, quantities and package labels, and our team will review the case and offer an appropriate solution.
To learn more about our products, please leave your email and we will contact you within 24 hours.



