4JB1T Diesel Engine Cylinder Head Gasket 8-94145839-0 Metal Head Gasket for Isuzu Excavator Parts

Product Details

Product Overview

This premium cylinder head gasket is specifically designed for the Isuzu 4JB1T diesel engine, a power unit commonly found in various excavator and industrial machinery applications. As a critical sealing component between the engine block and cylinder head, this gasket ensures proper combustion pressure retention and prevents coolant and oil leakage.

The part number 8-94145839-0 (OEM 8941458390) is manufactured to genuine specifications, providing a reliable replacement for worn or failed gaskets. While primarily intended for excavator applications, this gasket may also be compatible with other equipment utilizing the 4JB1T engine platform. Buyers should verify engine model and application compatibility before purchase.

Key Features & Benefits

• Precision Fitment: Manufactured to exact OEM specifications for the 4JB1T engine, ensuring proper alignment with cylinder head and block surfaces
• High-Temperature Resistance: Metal construction withstands extreme combustion chamber temperatures and pressures for reliable sealing performance
• Long-Lasting Durability: Engineered for extended service life in demanding excavator and heavy equipment applications
• Leak Prevention: Multi-layer design effectively seals combustion gases, coolant, and oil passages to prevent cross-contamination
• Genuine Specification: Produced to match original equipment quality standards for confident replacement
• Direct Replacement: No modifications required for installation on compatible 4JB1T engines
• Cost-Effective Solution: Factory-direct pricing without compromising on quality or performance

Technical Specifications

OEM Cross-Reference

This cylinder head gasket directly replaces the following OEM part numbers:

• Isuzu OEM: 8941458390
• Alternate Reference: 8-94145839-0

These numbers are verified cross-references for the 4JB1T engine head gasket. For other engine variants, please verify compatibility using your engine serial number.

Compatibility

Engine Compatibility:

• Isuzu 4JB1T diesel engine

Common Applications:

• Excavators utilizing Isuzu 4JB1T engines
• Industrial machinery equipped with 4JB1T power units

Note: Fitment is inferred based on engine model. Always verify engine model and application before ordering. This gasket is specifically designed for the turbocharged 4JB1T variant, not naturally aspirated 4JB1 engines.

Global Supply & Distribution

We offer worldwide shipping solutions for this Isuzu cylinder head gasket to support international B2B buyers. Our distribution network covers major industrial markets including North America, Europe, Asia-Pacific, the Middle East, South America, and Africa.

Orders are processed promptly upon payment receipt, with fast delivery options available to major ports and industrial centers globally. We maintain export experience and comply with international trade regulations to ensure smooth customs clearance. Bulk orders and regular supply arrangements are welcome for workshops, distributors, and equipment fleets.

Quality Assurance

This cylinder head gasket is manufactured under strict quality control standards to ensure dimensional accuracy and material integrity. Each gasket undergoes inspection for proper hole alignment, surface finish, and material composition.

Warranty: 3-month warranty against manufacturing defects provides peace of mind for your purchase.

After-Warranty Support: Video technical support is available to assist with installation questions or troubleshooting after the warranty period.

Testing: Products are tested for sealing performance and material durability to meet heavy-duty application requirements.

FAQ

Q: How do I verify this head gasket fits my engine?
A: Confirm your engine model is Isuzu 4JB1T. Check your existing gasket for the part number 8-94145839-0 or OEM number 8941458390. Measure cylinder bore diameter and head bolt pattern if possible. The gasket is specifically for the turbocharged 4JB1T, not the naturally aspirated 4JB1.

Q: What installation precautions should I take?
A: Ensure both the cylinder head and block surfaces are clean, flat, and free of debris or old gasket material. Follow the manufacturer’s torque specifications and tightening sequence for the 4JB1T engine. Use new head bolts if recommended. Do not reuse this gasket once installed and torqued.

Q: How long does this head gasket typically last?
A: Service life depends on operating conditions, maintenance practices, and engine health. In normal excavator applications with proper cooling system maintenance and correct installation, this genuine-spec metal gasket can provide extended service comparable to OEM components. Regular engine maintenance and addressing overheating issues promptly will maximize gasket lifespan.