Product Overview

This professional-grade Cummins QSX15 engine rebuild kit is engineered for durability and peak performance in heavy-duty applications. We supply this comprehensive kit to B2B clients worldwide, with major markets including North America, Europe, the Middle East, and the Asia-Pacific region. It provides a complete solution for engine overhauls, ensuring optimal compression and longevity.

Key Features & Benefits

• Complete Rebuild Solution: Includes the essential cylinder liner, piston, and ring components for a comprehensive engine overhaul, saving procurement time.
• OEM-Spec Precision: Manufactured to exact OEM dimensions and tolerances, guaranteeing a perfect fit and seamless installation into the QSX15 engine block.
• Enhanced Durability: Components are crafted from high-grade materials to withstand extreme pressures and temperatures, extending engine service life.
• Optimized Performance: Precision-machined surfaces and rings ensure excellent sealing for maximum compression, fuel efficiency, and power output.
• Rigorous Quality Control: Each kit undergoes stringent inspection, backed by machinery test reports and video outgoing-inspection for verified quality.

Technical Specifications

OEM Cross-Reference

This kit is a direct replacement for the following genuine Cummins part numbers. It ensures full compatibility with OEM service procedures.

• Cylinder Liner: 4101507
• Piston Assembly: 4923745
• Piston Ring Set: 4089406

Compatibility

Engine Application: Specifically designed for the Cummins QSX15 diesel engine.

Vehicle & Machinery Application: This rebuild kit is suitable for a wide range of heavy-duty equipment powered by the QSX15 engine, including but not limited to:

• Industrial & Container Forklifts
• Excavators and Construction Diggers
• Heavy-Duty Trucks and Haulage Vehicles
• Wheel Loaders and Skid Steers
• Bulldozers and Crawler Tractors
• Coaches and Large Buses
• Mining, Agricultural, and Generator Set Applications

Global Supply & Distribution

We are a trusted supplier for international distributors, workshops, and fleet operators. Our logistics network ensures reliable worldwide shipping to all major industrial hubs.

• Worldwide Shipping: Efficient export to North America (USA, Canada), Europe (UK, Germany, Netherlands), the Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore), and South America.
• Fast Delivery: Consolidated shipments to major ports and inland logistics centers for faster clearance and reduced lead times.
• Export Expertise: Comprehensive experience in international B2B trade, including complete commercial invoice, packing list, and compliance documentation (COO, etc.).

Quality Assurance

• Manufacturing Standards: Components are produced in ISO-certified facilities using precision CNC machinery to meet or exceed original performance specifications.
• Warranty: Backed by a 6-month warranty from the date of purchase, covering material and workmanship defects.
• Testing & Inspection: Every batch is subject to dimensional checks, material analysis, and functional testing. A machinery test report and video outgoing-inspection are provided for quality verification.

FAQ

Q1: Is this kit a direct fit for my Cummins QSX15 engine, or is machining required?

A: This is a direct OEM-size replacement kit. However, as with any major engine rebuild, we strongly recommend that the engine block be inspected and measured by a qualified technician. Honing of the cylinder bore may be required for optimal ring seating and finish.

Q2: Does the kit include all necessary components for a single cylinder, or for the entire engine?

A: This listing is for a single-cylinder kit, containing one cylinder liner (4101507), one piston assembly (4923745), and one corresponding piston ring set (4089406). Please order the quantity required based on the number of cylinders in your engine (QSX15 is typically a 6-cylinder engine).

Q3: What is the recommended procedure for installing the new piston rings?

A: Always follow the official Cummins QSX15 service manual. Key steps include: checking ring end-gap in the cylinder bore, ensuring rings are installed in the correct order and orientation (marked sides typically face upward), and staggering the ring gaps around the piston circumference. Proper lubrication during assembly is critical.

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 .