Product Details

Product Overview

This high-performance Cummins Cylinder Liner (Part Number: 3904167) is specifically engineered for the Cummins QSB4.5 and 4D107 engine platforms. As a critical component of the engine block assembly, this liner ensures optimal combustion chamber sealing and heat dissipation. We are a leading global supplier, offering competitive pricing and reliable shipping to major industrial markets including North America, Europe, Southeast Asia, and the Middle East. Our parts are sourced from certified manufacturers, ensuring they meet or exceed OEM specifications for demanding B2B applications.

Key Features & Benefits

• Superior Durability: Manufactured from high-grade cast iron alloy, providing exceptional wear resistance and extended service life.
• Precision Engineering: Machined to exact OEM tolerances for a perfect fit and consistent compression, reducing the risk of blow-by.
• Enhanced Heat Transfer: Optimized surface finish ensures efficient heat rejection, preventing hot spots and potential engine damage.
• Corrosion Resistance: Advanced plating treatment protects against pitting and corrosion from fuel and coolant contaminants.
• Drop-in Ready: Pre-finished and ready for installation, minimizing downtime during engine overhauls.

Technical Specifications

OEM Cross-Reference

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

• Cummins OEM: 3904167
• Alternative Cross-Reference: 3973097, 4089436
• Engine Series: QSB4.5, 4D107, 4BT (select variants)

Note: Always verify the OEM number on your original part before ordering.

Compatibility

This cylinder liner is compatible with the following engine models and applications:

• Engine: Cummins QSB4.5, 4D107 (4-cylinder)
• Vehicle Applications: Agricultural tractors (e.g., Case IH, New Holland), Construction equipment (e.g., Komatsu, JCB), Marine engines, and Industrial generators.
• Year Range: Typically used in models manufactured from 2008 onward. Check your engine serial number for precise compatibility.

Global Supply & Distribution

• Worldwide Shipping: We offer fast and reliable shipping via DHL, FedEx, UPS, and sea freight to all major global ports (e.g., Shanghai, Rotterdam, Los Angeles, Dubai).
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, Netherlands), Asia-Pacific (China, Australia, India), Middle East (UAE, Saudi Arabia), and Africa.
• Logistics Expertise: With years of export experience, we handle all customs documentation and ensure compliance with international trade regulations (ISF, HS Code 8409.99).
• Bulk Orders: Volume discounts available for wholesale and workshop orders.

Quality Assurance

• Manufacturing Standards: Produced in ISO 9001:2015 certified facilities.
• Testing: Each liner undergoes strict dimensional inspection, hardness testing, and surface finish verification before packaging.
• Warranty: Backed by a 12-month warranty against manufacturing defects. We stand by the quality of our parts.

FAQ

Q1: Is this cylinder liner a direct fit for my Cummins QSB4.5 engine?
A: Yes, the part number 3904167 is the OEM specification for the QSB4.5 and 4D107 engines. It is a direct replacement. We recommend checking the original part number on your old liner to confirm compatibility.

Q2: What is the installation procedure for this wet sleeve liner?
A: Clean the cylinder block bore thoroughly. Apply a light coat of clean engine oil to the O-rings on the liner. Hand-press the liner into the block. Do not use force. Ensure the liner is seated flush with the block deck. Always use a new head gasket and follow the manufacturer’s torque specifications for the cylinder head.

Q3: How can I ensure a long service life for this liner?
A: Use high-quality coolant to prevent cavitation. Maintain proper engine operating temperature. Always replace the liner O-rings and piston rings during installation. Regular oil changes with the correct viscosity (e.g., 15W-40) will significantly extend the liner’s lifespan.

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 .