Isuzu 4BG1 Engine Gasket Kit for Excavator – Complete Overhaul Set | Isuzu Excavator Engine Parts
This premium Isuzu 4BG1 Engine Gasket Kit is specifically engineered for Isuzu 4BG1 diesel engines used in medium-sized excavators including Hitachi EX100, EX120, EX150, EX200 series, Kobelco SK100, SK120, SK135SR, SK200SR, JCB JS110, JS130, JS160, SANY SY135C, XCMG XE135C/G/B, and other construction machinery. Manufactured to meet or exceed OEM specifications, this comprehensive gasket set includes every sealing component necessary for a complete upper and lower engine overhaul.
The Isuzu 4BG1 is a 4.3L (4330cc), inline 4-cylinder, 4-stroke, water-cooled diesel engine known for robust cast iron construction, fuel efficiency, and reliable performance. Available in naturally aspirated and turbocharged configurations (4BG1T), delivering 63-82 kW (85-110 hp) at 2200 rpm with maximum torque of 300-350 Nm at 1600 rpm.
4BG1 Gasket Kit Contents
| Component |
Quantity |
Material / Remarks |
| Cylinder Head Gasket |
1 |
Multi-Layer Steel (MLS) / Stainless Steel |
| Exhaust Manifold Gasket |
1 |
Graphite with steel core |
| Intake Manifold Gasket |
1 |
Composite fiber |
| Valve Cover Gasket |
1 |
Silicone rubber |
| Oil Pan Gasket |
1 |
Rubber / cork blend |
| Front Timing Cover Gasket |
1 |
Fiber / paper |
| Rear Main Seal |
1 |
PTFE / nitrile rubber |
| Front Crankshaft Oil Seal |
1 |
Nitrile rubber |
| Turbocharger Gaskets (set) |
2 |
Metal / graphite (for 4BG1T turbo models) |
| Fuel Injection Pump Gasket |
1 |
Paper |
| Water Pump Gasket |
1 |
Fiber |
| Thermostat Housing Gasket |
1 |
Rubber |
| EGR Cooler Gasket |
1 |
Multi-layer steel (where applicable) |
| Valve Stem Seals |
8 |
Viton |
| Injector Seals (copper) |
4 |
Annealed copper |
| Rocker Cover Gasket |
1 |
Silicone rubber |
| Oil Cooler Gasket |
1 |
Rubber / fiber composite |
| Cylinder Head Cover Plug |
1 |
Rubber |
| O-Ring Assortment |
Set |
Various sizes (Viton / NBR) |
Note: Kit contents may vary slightly depending on engine configuration (naturally aspirated vs. turbocharged, mechanical injection) and application. Please verify your engine serial number before ordering.
Key Features
- OEM-Equivalent Quality - Strictly adheres to Isuzu dimensions and material standards, ensuring perfect fit and function
- Complete Overhaul Set - Includes all gaskets and seals for both upper and lower engine sections
- Superior Durability - MLS head gasket withstands extreme temperatures up to 1200°C and pressures exceeding 50 bar
- Corrosion-Resistant Materials - Stainless steel and coated components resist rust and chemical degradation
- Precision Fit - Direct bolt-on replacement; no modifications needed
- Comprehensive Leak Protection - Ensures oil, coolant, and combustion gases remain perfectly sealed
- Heat-Resistant Construction - Graphite and steel composite exhaust gaskets withstand extreme temperatures
Applications
Engine: Isuzu 4BG1, 4BG1T (Turbocharged), 4BG1-TC, BB-4BG1TRP diesel engine (4.33L / 4330cc) - mechanical injection, direct injection
Excavators: Hitachi EX100, EX100-3C, EX100-5, EX120, EX120-3C, EX120-5, EX150, EX200 series; Kobelco SK100, SK120, SK135SR, SK200SR; JCB JS110, JS130, JS160; SANY SY135C; XCMG XE135C, XE135G, XE135B; Case CX130, CX160; and other major brands
Other Equipment: Denyo generator sets; Doosan forklift; Isuzu trucks and industrial machinery; wheel loaders; agricultural machinery
Why Choose Our Gasket Kit?
Each kit undergoes rigorous quality checks to guarantee consistent performance and longevity. Gaskets are engineered using advanced material technology combining MLS steel strength with high-temperature elastomer flexibility to outperform standard aftermarket alternatives.
Material Advantages
MLS Cylinder Head Gasket: Multi-layer steel construction provides superior sealing force and heat dissipation
Viton Valve Stem Seals: Excellent heat and oil resistance, extending service life
Precision-Machined Components: Ensures optimal alignment for maximum sealing performance
This full gasket set saves time and money compared to sourcing individual components separately, while ensuring all sealing points are addressed with matched, compatible components designed specifically for the 4BG1 engine.
Proper installation is critical for optimal performance. Ensure engine is cool, thoroughly clean all mating surfaces, and follow specified torque values and sequences during reassembly.
Restore your excavator's power and efficiency - order your Isuzu 4BG1 gasket kit today.
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