Product Overview

This genuine MAHLE cylinder liner kit is engineered for the reliable rebuilding of ISUZU 4JB1 diesel engines. Designed for professional rebuilders and fleet operators, this complete kit ensures optimal engine performance and longevity. We specialize in global B2B supply, serving major markets across North America, Europe, Asia-Pacific, and the Middle East with efficient logistics to key industrial hubs and ports.

Key Features & Benefits

• Genuine MAHLE Quality: Manufactured to original equipment specifications for perfect fitment and reliable performance.
• Complete Rebuild Kit: Includes all necessary components—cylinder liner, piston, and piston rings—for a comprehensive engine overhaul.
• Enhanced Durability: Precision-engineered from high-grade materials to withstand high compression and thermal stresses, extending engine service life.
• Optimal Sealing & Compression: Precision-machined rings and liners ensure excellent combustion seal, maintaining power output and fuel efficiency.
• Global Availability: Supported by our international supply chain for reliable, timely delivery to workshops worldwide.

Technical Specifications

OEM Cross-Reference

This MAHLE kit directly replaces the following OEM and alternative part numbers:

• MAHLE: 003510WTC3, WTP031
• ISUZU: 8-94433177-1

Compatibility

This cylinder liner kit is designed for the ISUZU 4JB1 diesel engine. This engine is commonly found in a range of ISUZU commercial vehicles, light trucks, and industrial equipment. For specific vehicle model and year confirmation, please verify your engine serial number against the 4JB1 designation.

Global Supply & Distribution

We are a leading B2B supplier for automotive engine components with a robust global network. We ensure seamless export to major markets including North America (USA, Canada, Mexico), the European Union, the United Kingdom, Australia, Southeast Asia, and the GCC region. Our expertise in international trade compliance and partnerships with major freight carriers enable fast delivery to key ports in Rotterdam, Los Angeles, Singapore, Dubai, and Sydney, minimizing downtime for your operations.

Quality Assurance

Every component in this kit is a genuine MAHLE part, produced under strict ISO-certified manufacturing standards. All parts undergo rigorous dimensional and material testing to ensure they meet or exceed original performance specifications. This product is backed by MAHLE’s quality warranty, providing assurance for your engine rebuild investment.

FAQ

Q: Is this a complete kit for rebuilding one cylinder on a 4JB1 engine?
A: Yes, this is a complete liner kit for one cylinder. It includes the cylinder liner, piston, and piston ring set. For a full engine rebuild, you will need one kit per cylinder.

Q: Are the piston rings pre-gapped, or is fitting required?
A> While MAHLE rings are manufactured to precise tolerances, we always recommend professional engine builders check and adjust the ring end-gap during assembly according to the engine manufacturer’s service specifications to ensure optimal performance.

Q: Do you provide technical documentation or installation guidelines?
A> Genuine MAHLE parts are designed for direct OEM replacement. For detailed installation procedures, torque specifications, and clearances, please refer to the official ISUZU 4JB1 engine service manual. We can provide general guidance 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 .