
Product Overview
This is a premium replacement Cylinder Liner (Sleeve) engineered for the Cummins NH220 diesel engine. Designed to meet or exceed OEM specifications, this critical component is essential for restoring engine compression, performance, and longevity. We supply this part globally to major industrial and commercial markets, supporting sectors from construction and power generation to marine and agriculture with reliable engine solutions.
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 within the combustion chamber.
- Enhanced Heat Dissipation: Designed for efficient heat transfer to the engine block coolant, preventing overheating and thermal distortion.
- Reduced Oil Consumption: Precision-machined inner bore surface provides an ideal finish for piston ring seating, minimizing blow-by and oil consumption.
- Direct Replacement: A direct-fit component that eliminates the need for modifications, ensuring straightforward installation.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 6610-21-2213 / 184400 |
| Engine Model | Cummins NH220 |
| Part Type | Cylinder Liner / Sleeve |
| Engine Type | Diesel |
| Size | OEM Standard Size |
| Weight | Approx. 25 kg |
| Place of Origin | Guangdong, China |
| Packing | Plastic Bag, Box, Carton |
OEM Cross-Reference
This cylinder liner is a direct replacement for the following OEM part numbers:
- Cummins: 6610-21-2213, 184400
Always verify the part number from your original component or engine manual before ordering to ensure correct fitment.
Compatibility
This cylinder liner is specifically designed for use in Cummins NH220 series diesel engines. These engines are commonly found in a wide range of heavy-duty applications, including:
- Construction Machinery: Excavators, bulldozers, loaders, and cranes.
- Power Generation: Industrial generator sets (Gensets).
- Marine Applications: Auxiliary and propulsion engines for workboats.
- Material Handling: Large forklifts and port equipment.
- Agriculture: Heavy-duty tractors and harvesters.
Global Supply & Distribution
We are a trusted global supplier of heavy-duty engine components with extensive export experience. We ensure seamless international trade compliance and logistics.
- Worldwide Shipping: We ship to all major markets, including North America, Europe, the Asia-Pacific region, the Middle East, Africa, and South America.
- Fast Delivery Network: Efficient logistics partnerships enable fast delivery to major industrial ports and inland freight hubs.
- B2B Focus: Dedicated support for wholesalers, distributors, repair workshops, and fleet operators.
Quality Assurance
Every component is backed by our commitment to quality and customer satisfaction.
- Manufacturing Standards: Produced in ISO-certified facilities using advanced precision machining.
- Rigorous Testing: Each liner undergoes dimensional inspection and quality checks. Machinery test reports are available upon request.
- Video Outgoing-Inspection: Provided for quality verification before shipment.
- Warranty: Backed by a 6-month warranty from the date of purchase.
- After-Sales Support: Comprehensive online technical support is available after the warranty period.
FAQ
Q1: How do I confirm this cylinder liner is the correct part for my Cummins NH220 engine?
A1: The most reliable method is to cross-reference the part number stamped on your original cylinder liner or listed in your engine’s service manual with our listed part numbers (6610-21-2213 or 184400). You can also provide your engine’s serial number for our technical team to verify.
Q2: What precautions should be taken during installation?
A2> Proper installation is critical. Ensure the engine block bore is thoroughly cleaned and inspected for damage. The liner should be installed using the correct tools and techniques to avoid distortion. Always follow the OEM engine service manual procedures for liner installation, including checking protrusion and using recommended sealants.
Q3: Do you provide technical documentation or specifications with the part?
A3: Yes. Along with the product, we can provide relevant machinery test reports and a video of the outgoing inspection to document the quality and specifications. Detailed installation guidelines based on OEM standards are also available upon request.
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 .