Basic Info.
| Parts no. | 7W9143 | Material | steel |
| Type | Valve Stem Seal | Parts Type | Engine Parts |
| Compatibility | Heavy Equipment | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model：7W9143
- Date First Listed：2026/04/27
- Manufacturer：Diron Parts
Product Description
- Part Number：7W9143
- Part Type：Valve Stem Seal
- Description: Valve Stem Seal 7W9143 for Heavy Equipment, New
The 7W9143 Valve Stem Seal is a high-quality aftermarket component designed for heavy equipment engine systems. Engineered to control lubrication flow and maintain proper sealing around valve stems, this component helps support stable engine operation and long-term reliability under demanding working conditions.
Key Features & Benefits
- Precision manufactured for consistent fit and dependable sealing performance
- Helps regulate oil flow and prevent excessive lubrication in the combustion area
- Supports improved engine efficiency and stable operation
- Designed for reliable performance under continuous heavy-duty use
- Thoroughly inspected for dimensional accuracy and overall quality
- Suitable for engine maintenance, repair, and overhaul applications
Common Applications
- Heavy equipment engine systems
- Cylinder head and valve train assemblies
- Construction and earthmoving machinery
- Maintenance and rebuild of high-hour engines
Typical Function:
Used as a valve stem seal to control oil distribution along the valve stem, helping maintain proper lubrication while preventing excess oil from entering the combustion chamber.
Technical Specifications
- Part Number Reference: 7W9143
- Type: Valve Stem Seal
- Application: Engine valve train system
- Installation Position: Cylinder head / valve guide area
- Dimensions: Matches application requirements
- Quantity per Engine: Varies depending on engine configuration
Important Note:
- While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. 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.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. 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.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.
- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.
- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.
