Product Overview

This premium Valve Seat is engineered for the Xinchai 490BT diesel engine, a core component for maintaining optimal compression and valve sealing. Designed to meet or exceed OEM specifications, it is a critical spare part for maintaining engine performance and longevity in demanding applications. We supply this part globally to major industrial and commercial markets, ensuring reliable operation for machinery worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM dimensions (“OEM Size”) for a perfect fit and seamless installation, ensuring no loss of engine performance.
• Enhanced Durability: Made from high-grade materials to withstand extreme temperatures and pressures within the diesel combustion chamber, reducing wear and extending service intervals.
• Optimal Sealing Performance: Ensures a perfect seal between the valve and cylinder head, preventing compression loss, oil consumption, and power degradation.
• Rigorous Quality Control: Each part undergoes stringent inspection, supported by machinery test reports and video outgoing-inspection documentation for guaranteed quality.
• Broad Application Readiness: Directly suitable for the versatile Xinchai 490BT engine platform used across multiple heavy-duty sectors.

Technical Specifications

OEM Cross-Reference

This part is manufactured as a direct replacement for the genuine Xinchai valve seat used in the 490BT engine model. For confirmation, please cross-reference with your engine’s technical manual or the original part number. While a specific OEM part number is not provided in the source data, this component is built to the original factory blueprint for the Xinchai 490BT.

Compatibility

This valve seat is specifically designed for the Xinchai 490BT diesel engine. This engine model is widely utilized in a diverse range of heavy-duty equipment, including:

• Construction Machinery: Small excavators, loaders, compactors.
• Industrial Equipment: Pumps, compressors, power units.
• Agricultural Machinery: Tractors, harvesters, irrigation systems.
• Power Generation (Genset): Standby and prime power generator sets.
• Marine Applications: Auxiliary engines for small vessels.
• Material Handling: Forklifts and other warehouse equipment.

Always verify your engine’s model number before purchase to ensure correct fitment.

Global Supply & Distribution

We are a professional exporter of heavy-duty engine components with extensive experience in international logistics and trade compliance. We ship worldwide via air and sea freight to all major markets, ensuring timely delivery to your nearest port or logistics hub.

• Primary Service Regions: North America, European Union, Southeast Asia, Australia, the Middle East, Africa, and South America.
• Efficient Logistics: We partner with reliable global carriers to offer competitive shipping rates and fast transit times to key industrial centers like Rotterdam, Los Angeles, Singapore, Dubai, and Sydney.
• Export-Ready Packaging: All parts are securely packed in export-standard cartons to prevent damage during long-distance transportation.
• B2B Expertise: We specialize in bulk orders for wholesalers, distributors, and large-scale repair workshops, providing all necessary commercial documentation (Packing List, Commercial Invoice, Certificate of Origin).

Quality Assurance

Our commitment to quality is integral to our manufacturing process, ensuring you receive reliable parts that perform under pressure.

• Manufacturing Standards: Produced in a certified facility in Guangdong, China, utilizing precision machining and heat-treatment processes.
• Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your operations.
• Stringent Testing: Every production batch is subject to dimensional checks and material analysis. Available machinery test reports and video records of outgoing inspections validate the consistency and quality of each shipment.

FAQ

Q1: How can I be sure this valve seat will fit my Xinchai 490BT engine?
A1: This part is manufactured to the exact “OEM Size” specifications of the original component. For absolute certainty, we recommend comparing the physical dimensions of your old valve seat with our product specifications or consulting your engine’s service manual. The 490BT model number is the primary compatibility indicator.

Q2: What is the typical installation process for this valve seat?
A2: Valve seat installation is a precision engine rebuilding task. It typically involves removing the cylinder head, extracting the old seat (often using specialized tools), cleaning the recess, chilling the new seat (to contract it), and pressing it into place. We recommend installation by a qualified mechanic with the proper tools to ensure correct interference fit and alignment.

Q3: Do you provide the machinery test report and inspection video with every order?
A3> Yes, these quality assurance documents are provided as standard. The machinery test report details the technical compliance of the part, and the video outgoing-inspection offers visual proof of the final check. These documents are typically made available digitally for B2B customers and can be included in hard copy upon request for larger shipments.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .