Product Overview

This is a premium replacement piston, part number 3907163, engineered for Cummins 4BT and 6BT series diesel engines. Manufactured to exact OEM specifications, it is an essential component for engine overhauls and repairs, ensuring restored performance and longevity. We specialize in global B2B supply, serving major industrial markets across North America, Europe, the Middle East, and Asia-Pacific with reliable logistics and export compliance.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM dimensions and tolerances for a perfect fit and optimal compression.
• Enhanced Durability: Constructed from high-grade materials to withstand the high-pressure and thermal stresses of diesel operation.
• Performance Restoration: Directly replaces worn pistons to restore engine power, efficiency, and reduce oil consumption.
• Global Quality Standard: Produced in ISO-certified facilities, ensuring consistency and reliability for international buyers.
• Comprehensive Support: Backed by machinery test reports, video outgoing-inspection records, and a solid warranty for peace of mind.

Technical Specifications

OEM Cross-Reference

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

• Cummins: 3907163

Note: OEM service is available. Please contact our technical support for specific cross-references or alternative part number inquiries.

Compatibility

Compatible Engine Models: Cummins 4BT3.9, 6BT5.9, and other 4BT & 6BT series diesel engines.

Vehicle & Machinery Application: This piston is suitable for a wide range of equipment powered by the above engines, including but not limited to:

• Forklifts
• Excavators and Loaders
• Trucks
• Bulldozers
• Buses
• Generators and Industrial Power Units

Global Supply & Distribution

We are a trusted partner for engine parts distributors and repair shops worldwide. Our streamlined export process ensures efficient delivery to major ports and industrial hubs in:

• North America: USA (Los Angeles, Houston, New York), Canada (Vancouver, Toronto)
• Europe: Germany (Hamburg), Netherlands (Rotterdam), UK (Felixstowe)
• Asia-Pacific: Australia (Sydney, Melbourne), Singapore, Japan (Tokyo, Osaka)
• Middle East & Africa: UAE (Dubai), Saudi Arabia (Dammam), South Africa (Durban)

We handle all international trade documentation and compliance, offering flexible shipping terms (FOB, CIF, DAP) to suit your supply chain needs.

Quality Assurance

• Manufacturing Standards: Produced in facilities adhering to strict quality control protocols, with capabilities for OEM-level manufacturing.
• Warranty: Covered by a 6-month warranty from the date of purchase against manufacturing defects.
• Testing & Inspection: Each batch is supported by a Machinery Test Report. Video Outgoing-Inspection is provided upon request, verifying dimensional accuracy, material integrity, and finish before shipment.

FAQ

Q: Is this piston a direct fit for my Cummins 6BT5.9 engine, or will it require machining?
A: This piston is manufactured to OEM size specifications. It is designed as a direct replacement. However, standard engine rebuilding practice always involves measuring the cylinder bore and the new piston to ensure correct clearance. We recommend consultation with a qualified mechanic for installation.

Q: Do you provide the piston rings and wrist pin with this piston?
A: This listing is for the piston assembly (single item) as specified. Piston rings and wrist pins are typically sold separately. Please inquire about complete piston kit availability if needed.

Q: What is the lead time for shipping to a warehouse in Frankfurt, Germany?
A: For standard orders, shipping to major European ports like Rotterdam or Hamburg typically takes 25-35 days by sea. We offer expedited air freight options for faster delivery (5-10 days). Please contact us with your specific quantity requirements for a precise shipping quote and timeline.

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 .