
Product Overview
This genuine MAHLE L-059B cylinder liner is a premium replacement component engineered for Isuzu 4BD1 and 6BD1 series diesel engines. As a leading global supplier, we provide reliable OEM-quality parts with direct shipping to major industrial hubs across North America, Europe, Asia-Pacific, and the Middle East, ensuring your operations stay on schedule.
Key Features & Benefits
- Genuine MAHLE Quality: Manufactured to original equipment specifications, ensuring perfect fitment, optimal heat dissipation, and long-term reliability.
- Enhanced Durability: Precision-cast from high-grade alloy iron to withstand extreme pressures and temperatures within the combustion chamber.
- Superior Surface Finish: Advanced honing process provides excellent oil retention for reduced friction, improved piston ring sealing, and extended engine life.
- Direct OEM Replacement: Designed as a direct cross-reference for the original Isuzu part, guaranteeing compatibility and performance.
- Global Availability: Stocked for immediate dispatch with consolidated shipping options to reduce lead times and logistics costs for international B2B clients.
Technical Specifications
| Specification | Detail |
|---|---|
| Manufacturer Part Number | L-059B |
| OEM Part Number | 1-11261242-0 |
| Alternative Part Number | 1112612420 |
| Brand | MAHLE |
| Component Type | Cylinder Liner / Sleeve |
| Primary Engine Model | Isuzu 4BD1, 6BD1 |
| Material | High-Grade Alloy Cast Iron |
OEM Cross-Reference
This MAHLE liner directly replaces the following OEM and aftermarket part numbers:
- Isuzu: 1-11261242-0, 1112612420
- MAHLE: L-059B
Compatibility
This cylinder liner is compatible with the following Isuzu diesel engine models, commonly found in industrial, generator, and commercial vehicle applications:
- Engine Models: Isuzu 4BD1, Isuzu 6BD1
- Typical Applications: Industrial generators, construction equipment (excavators, loaders), medium-duty trucks, and marine auxiliary power units.
Global Supply & Distribution
We specialize in seamless international B2B logistics for automotive and industrial engine parts. Our supply chain is optimized for fast, reliable delivery to key markets worldwide.
- Worldwide Shipping: We export to all major regions including North America (USA, Canada, Mexico), Europe (Germany, UK, Poland), Asia-Pacific (Australia, Japan, Singapore), and the Middle East (UAE, Saudi Arabia).
- Efficient Logistics: Consolidated air and sea freight to major ports and inland hubs (e.g., Rotterdam, Los Angeles, Singapore, Jebel Ali) to minimize transit times and costs.
- Trade Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) to ensure smooth customs clearance.
Quality Assurance
Every part is sourced to meet the highest industry standards, providing peace of mind for your critical engine rebuilds and maintenance projects.
- Manufacturing Standard: Produced in ISO-certified facilities to MAHLE’s stringent quality control protocols.
- Inspection: Each liner undergoes dimensional accuracy checks and visual inspection to confirm flawless surface finish and structural integrity.
- Warranty: Backed by a comprehensive warranty against manufacturing defects. Specific terms are provided with your commercial invoice.
FAQ
Q: Is this a direct fit for my Isuzu 6BD1 engine, or will machining be required?
A: This is a direct OEM replacement part. It is designed to the exact specifications of the original liner. However, as with any cylinder liner installation, we recommend professional measurement of the liner bore in the engine block to ensure proper clearance before final assembly.
Q: Do you provide the necessary sealing rings (O-rings) for installation?
A> This listing is for the cylinder liner itself. The corresponding sealing ring kit is typically sold separately. Please contact our sales team to inquire about complete liner and seal kits for a full overhaul solution.
Q: What is the typical lead time for delivery to a warehouse in the European Union?
A> For standard orders, delivery to major EU logistics hubs typically takes 7-15 business days via air freight, depending on final destination and customs processing. We provide tracking information from the moment your order ships.
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 .