Product Overview

This is a premium OEM-specification cylinder liner designed for the Cummins 6LTAA9.3 diesel engine. Engineered for durability and precise fitment, it is an essential component for engine overhaul and rebuild projects. We specialize in the global supply of high-quality engine components, serving major industrial markets across North America, Europe, the Middle East, and Asia-Pacific with reliable shipping and logistics support.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM dimensions and tolerances for a perfect fit and optimal engine performance.
• Superior Durability: Made from high-grade cast iron alloy to withstand extreme pressures and temperatures, ensuring long service life.
• Enhanced Heat Dissipation: Designed for efficient heat transfer to maintain optimal engine operating temperature and prevent overheating.
• Reduced Oil Consumption: Precision-machined surface finish promotes proper piston ring seating, minimizing oil burn and blow-by.
• Direct Replacement: A direct-fit component that eliminates compatibility concerns, simplifying the engine rebuilding process.

Technical Specifications

OEM Cross-Reference

This cylinder liner corresponds directly to the following OEM part number:

• Cummins: 5290937

Note: Always verify the part number from your original engine or service manual before ordering. Cross-reference data is for guidance only.

Compatibility

This cylinder liner is specifically designed for the Cummins 6LTAA9.3 diesel engine platform. This engine is commonly found in a wide range of heavy-duty machinery and vehicles, including:

• Forklifts
• Excavators
• Trucks
• Loaders (Wheel Loaders, Skid Steer Loaders)
• Bulldozers
• Buses and Coaches
• Industrial Power Units

Global Supply & Distribution

We are a trusted B2B supplier with extensive experience in international logistics for automotive and industrial parts. Our streamlined export process ensures timely delivery to key global markets.

• Worldwide Shipping: We ship to all major destinations, including the USA, Canada, Germany, UAE, Australia, and Japan.
• Fast Delivery to Hubs: Priority shipping available to major ports and industrial centers like Rotterdam, Los Angeles, Singapore, and Dubai.
• Trade Compliance: All shipments are prepared with complete and accurate commercial documentation (Invoice, Packing List, Certificate of Origin) to ensure smooth customs clearance.
• Bulk & Wholesale: We support large-volume orders for distributors, workshops, and fleet operators with competitive FOB/CIF terms.

Quality Assurance

We are committed to supplying components that meet the highest standards of quality and reliability.

• Manufacturing Standards: Produced in ISO-certified facilities using advanced CNC machining and quality-controlled materials.
• Warranty: Backed by a 6-month warranty against manufacturing defects from the date of purchase.
• Testing & Inspection: Each batch undergoes rigorous quality checks. A machinery test report is available, and video outgoing-inspection can be provided upon request to verify product condition before shipment.

FAQ

Q: How do I confirm this is the correct cylinder liner for my Cummins 6LTAA9.3 engine?
A: The primary identifier is the OEM part number 5290937. We recommend matching this number with the one listed in your engine’s service manual or from the original part you are replacing. You can also provide your engine’s serial number for additional verification.

Q: What preparation is required before installing this new cylinder liner?
A: The engine block must be thoroughly cleaned and inspected for any damage or wear in the counterbore. The new liner should be checked for size and surface finish. Proper installation typically involves precise cooling/heating methods and the use of a suitable sealant as specified by the engine manufacturer’s service procedures.

Q: Do you provide technical support or documentation for installation?
A> While we supply the component, installation should be performed by a qualified mechanic familiar with Cummins engines. We recommend consulting the official Cummins Overhaul Manual for the 6LTAA9.3 engine for detailed step-by-step procedures, torque specifications, and critical measurements.

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 .