Cummins B Series - 4-390, 4B390, 4BTA390, 4BT390, 4T390, 6-590, 6B590, 6BTA590, 6BT590, 6T590.
The upper and lower bearing halves are identical in this set. Both are part number 3939859 or 3901170
*Price is per pair. There is one pair per rod. Please make sure you have determined the correct bearing size that you will need. Installed bearings are not returnable.
FAQ
Q1: Are you a maunfacture or a trading company?
A: We are a manufacture & Trading company with over 10 years’experience for parts supply service
Q2: Do you have anything Special compete with others
A: We will accord customer’s specail needs to have a special processing. And we have nearly a year of warranty period. In addition to the above two points. We also ensure on time delivery.
Q3: How to ensure the quality of products?
A: Our relationship factory product by professional workers. In addition, We are also testing every product before delivery. And all material we used as international standard.
Q4: How can i do if i find the quality of the products with problem?
A: First of all, We have confidence in the quality of our products. If really found someting wrong. Please provide the picture. We have warranty within one year. So you can set your heart at rest to buy our products.
Q5. What is your terms of packing?
A: Generally, we pack our goods in Original box.
Q6. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q7. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q8. How about your delivery time?
A: Generally, most of items we keep stock for all season . it will take 7to 10 days after receiving your advance payment. if we didn’t have stock ,The delivery time depends on the items and the quantity of your order. Normaly 4 to 5 days .
Q9. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q10. Do you inspect all your goods before delivery?
A: Yes, we have 100% test before delivery
Q11: How do you make our business long-term and good relationship?
1.Meet small quantity orders and seasonal orders by our sufficient safety stock;
2.Assure best quality with our complete inspection system before shipment
3.Ensure timely delivery to customer’s designated site by our professional management of warehouse and van fleet;
4.Provide in time Feedback tracking and after-sales services to maximize the customer’s satisfactory.
Our Advantages
1. Original quality and competitive price.
2. Professional work team and quick service.
3. Package complies to Customer’s requirement.
4. Fast delivery, 1-3 days after received your advance payment.
5. Long-time exporting experience.
Our company pays more attention to honesty and credibility, We guarantee. The object you receive is consistent with pictures.
