WW-6H186 8976023011 8 97602301 1 Injector Nozzle Seat ISUZU 4HL1/6HK1/4HK1/6HH1
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The role of the Injector Nozzle Seat

1.Precisely Position the Injector:

Ensures accurate installation position, center height and angle of the injector.

Directs the nozzle toward the combustion chamber for proper spray pattern without deflection or wall wetting.

Prevents injector vibration, gas leakage and fuel leakage.

2.Sealing and Heat Insulation (Key Function):

Upper seal: Prevents leakage of high-pressure combustion gas from the cylinder.

Lower seal: Prevents coolant from entering the cylinder or oil passages.

The copper sleeve has high thermal conductivity, drawing heat away from the injector nozzle to avoid overheating, seizing and coking of the injector.

3.Isolate Coolant and Prevent Leakage:

Acts as a metal sealing barrier against circulating coolant in the cylinder head.

Failure can result in coolant entering the cylinder, bubbling in the expansion tank, and water spraying from the exhaust pipe.

Working Principle of the Injector Nozzle Seat

1.Positioning and Centering Principle

The sleeve maintains strict coaxiality between the injector nozzle and the combustion chamber center. This ensures the fuel spray is accurately directed into the chamber, avoiding wall wetting, carbon deposits, and abnormal combustion.

2.Heat Conduction and Thermal Balance

Copper’s high thermal conductivity efficiently absorbs excess heat from the injector tip and transfers it to the surrounding coolant. This stabilizes injector temperature, preventing coking, nozzle blockage, and overheating failure.

3.Sealing and Isolation Principle

The upper end of the sleeve forms a high-pressure gas seal with the cylinder head fire deck, preventing combustion gas leakage. The lower part is surrounded by coolant but sealed to prevent water from entering the cylinder, oil gallery, or injector mounting cavity.

4.Vibration Damping and Protection

By providing a close-fitting, rigid support, the sleeve dampens engine vibration and reduces mechanical stress on the injector. It also prevents direct metal-to-metal impact between the injector and cylinder head during assembly and operation.

What shipping methods do you offer?

We have the following shipping options for customer to choose. We will strictly follow your requirements and instructions to deliver your goods safely and quickly.
Full container (FCL) Shipment: When the customer's goods reach the amount of FCL transportation, you can choose FCL transportation.
Bulk cargo: If the goods CBM is little, you can choose Less Container Load (LCL) shipment.
Transportation methods: Air Transportation, Sea Transportation, Land (Railway) Transportation.
Inland Delivery: We can deliver your goods to the customer's designated or agent warehouse.
We are willing to be professional throughout the logistics and delivery process to ensure that the goods arrive at your location safely and in time.

FAQ

1.Q:What is your terms of payment?
A:T/T 30% as deposit, and 70% before delivery. We will send you the packing list and the photos of the products before your payment.

2.Q:Do you have MOQ request?
A: We don’t have MOQ request. We are wholesaler for ISUZU Truck spare parts, we have a large stock of products.

3.Q: What is the delivery time?
A: The delivery is depends on the storage. If the items we have in stock, we can make delivery within 7days. For the items need to be ordered the delivery is betwen20-45 days.

4.Q.:Can you produce according to the samples?
A: Clients’sample is welcome. We are able to produce the specific products according to your sample.

5.Q: Can l get a lower price if l order large quantities?
A: Yes, cheaper prices with bigger amount of order.

Our advantage
1． Quality stable, price competitive, good after-sale service
All of the products we offer are good quality with reasonable price. We focus on the product quality and after-sales services to ensure the benefit of our customers. To give customers confidence in long-term cooperation with our company.
2． Many of our products have stock, the delivery time is fast.
Our Isuzu products have a large amount of stock inventory, can save time cost for customers. The stock products we can ship within 3 days. if the product need to produce, the delivery time will be depends on the items and the quantity of the order.
3. No MOQ Request, small order acceptable.
Our ISUZU products we do not have MOQ requirements, we accept any quantity of orders from customers. Of course, the order quantity is bigger, the price will be more favorable.
4. One-stop service
We can provide to customers with other products except Isuzu parts, and we can receive goods for customers from other suppliers and make shipment.