Product Overview

This high-performance exhaust gasket (Part #3937479) is engineered for the Cummins QSL9 diesel engine, a cornerstone of industrial and commercial power. Designed for durability under extreme thermal and pressure cycles, it is an essential component for engine overhaul, rebuild, and maintenance kits. We supply this critical part globally to major markets, ensuring reliable operation for construction, agriculture, power generation, marine, and material handling applications worldwide.

Key Features & Benefits

• Precision OEM Fit: Manufactured to exact OEM dimensions (OEM Size) for a perfect seal, ensuring optimal engine performance and preventing exhaust leaks.
• Enhanced Durability: Constructed from high-grade materials resistant to heat, corrosion, and compression set, providing long-lasting service life in demanding environments.
• Reliable Sealing Performance: Ensures a tight seal between the exhaust manifold and cylinder head, maintaining backpressure and protecting engine components from hot gas erosion.
• Global Compliance Ready: Supplied with complete documentation, including machinery test reports, facilitating smooth import and customs clearance for international B2B buyers.
• Streamlined Procurement: Available as a single item with flexible OEM service, ideal for distributors, workshops, and fleet operators managing global parts inventories.

Technical Specifications

OEM Cross-Reference

This part is a direct replacement for the following OEM number:

• Cummins: 3937479

Note: OEM service is available for custom requirements or bulk orders. Contact our sales team for specific cross-reference inquiries beyond the standard part number.

Compatibility

This exhaust gasket is specifically designed for use with the Cummins QSL9 diesel engine. This engine platform is widely used in a diverse range of heavy-duty equipment, including:

• Construction Machinery: Excavators, loaders, bulldozers, cranes.
• Industrial Power Units: Generator sets (Gensets), pumps, compressors.
• Marine Applications: Auxiliary and propulsion engines for workboats.
• Agricultural Equipment: Tractors, harvesters, and irrigation systems.
• Material Handling: Port cranes, forklifts, and terminal tractors.

Global Supply & Distribution

We are a trusted partner for diesel engine parts supply chains across the globe. Our logistics network ensures efficient delivery to key industrial and port regions.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands), Asia-Pacific (Australia, Singapore, Japan), the Middle East (UAE, Saudi Arabia), and South America.
• Fast Port-to-Port Delivery: Consolidated shipments to major hubs like Los Angeles, Rotterdam, Singapore, and Jebel Ali for streamlined regional distribution.
• Expert Export Handling: Full commercial invoice, packing list, and compliance documentation provided. Experienced in Incoterms (FOB, CIF, DAP) to suit your import preferences.

Quality Assurance

Every part is manufactured to meet rigorous performance standards, ensuring reliability for your business and end-users.

• Manufacturing Standard: Produced using certified processes to match OEM specifications for fit, form, and function.
• Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your inventory.
• Stringent Testing: Each batch undergoes quality checks. Machinery test reports are available, and video outgoing-inspection can be provided upon request to verify product condition before shipment.

FAQ

Q1: Is this gasket a direct fit for my Cummins QSL9 engine, or will modification be required?
A1: This is a direct OEM replacement. It is manufactured to the exact OEM Size and specifications of the original Cummins part #3937479, ensuring a perfect fit without any modification required during installation.

Q2: What documentation is provided with the shipment for international customs clearance?
A2: We provide full export documentation, including a commercial invoice, packing list, and a machinery test report. This documentation is standardized for international trade and helps facilitate smooth customs processing in your destination country.

Q3: Can this gasket be used in both high-hour overhaul kits and for routine maintenance?
A3: Absolutely. This exhaust gasket is designed as a critical sealing component for comprehensive engine overhaul kits. It is also perfectly suitable for routine maintenance or repair jobs where the exhaust manifold is serviced, preventing leaks and maintaining engine efficiency.

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 .