Product Overview

This genuine Isuzu 4JB1 engine gasket set is engineered for professional rebuilds and critical repairs. Sourced directly from Japan, this comprehensive kit ensures a perfect seal and reliable performance for demanding industrial applications. We specialize in global B2B supply, serving major markets including North America, Europe, the Asia-Pacific region, and the Middle East with efficient logistics to key industrial hubs and ports.

Key Features & Benefits

• Genuine OEM Quality: Manufactured to original Isuzu specifications for guaranteed fit, performance, and durability.
• Complete Rebuild Solution: Provides all necessary sealing components for a thorough engine overhaul, ensuring optimal compression and preventing fluid leaks.
• Long-Lasting Performance: Constructed from high-grade materials designed to withstand extreme temperatures and pressures within the 4JB1 engine.
• Reliability for Heavy-Duty Use: Specifically engineered for the rigorous demands of excavator trucks and similar industrial machinery.
• Simplified Procurement: A single-SKU solution reduces sourcing complexity and ensures all gaskets are perfectly matched for the rebuild.

Technical Specifications

OEM Cross-Reference

This gasket set is compatible with the following OEM and associated part numbers. Ensure correct application by verifying your engine model.

• 5-87812685-04 (Primary Number)
• 5-87813401-1 (Related Rebuild Kit Number)
• 5-87812706-0 (Related Rebuild Kit Number)

Compatibility

This gasket set is designed specifically for the Isuzu 4JB1 diesel engine. This engine is commonly found in:

• Isuzu-powered excavator trucks and heavy machinery.
• Various industrial and construction equipment utilizing the 4JB1 power plant.

Note: Always verify your engine’s model number and existing part numbers before purchase to ensure correct fitment.

Global Supply & Distribution

We are a dedicated B2B partner for automotive and industrial parts distributors worldwide. Our supply chain is optimized for international trade.

• Worldwide Shipping: We export to all major markets, including the USA, Canada, Germany, UAE, Australia, and Japan.
• Efficient Logistics: Fast delivery to major ports such as Los Angeles, Rotterdam, Singapore, and Jebel Ali.
• Trade Compliance: All shipments are prepared with complete and accurate commercial documentation (invoice, packing list, certificate of origin) for smooth customs clearance.
• Bulk & Single Orders: Flexible fulfillment from single-unit MOQ to full container loads (FCL) to meet your inventory needs.

Quality Assurance

We supply only verified genuine parts to ensure the integrity of your engine rebuilds.

• Source Verification: Parts are sourced directly from certified Japanese supply channels.
• Warranty: Backed by a 6-month warranty on material and workmanship.
• Post-Warranty Support: Access to video technical support for installation guidance, even after the warranty period.
• Condition: Guaranteed to be genuine OEM, not aftermarket or imitation.

FAQ

Q1: Is this a complete gasket set for a full 4JB1 engine rebuild?
A1: Yes, this part number (5-87812685-04) designates a complete gasket set intended for a comprehensive engine overhaul, including critical seals for the cylinder head, oil pan, valve cover, and other key components. Always cross-reference with your machine’s specific parts manual.

Q2: How can I verify this part will fit my specific equipment?
A2: The primary identifier is your engine model (Isuzu 4JB1). For absolute certainty, we recommend matching the part number from your original parts catalog or from the old gasket set you are replacing. The numbers listed in the “OEM Cross-Reference” section are all directly associated with this kit.

Q3: What support is available for installation?
A3> We provide video technical support to assist with installation procedures and best practices. This ensures proper sealing and helps avoid common installation errors that could lead to leaks or premature failure.

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 .