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4HK1 Head Gasket 8973754330 Engine Cylinder Head Gasket 8-97375-433-0

Basic Properties
Place of Origin: china
Model Number: 8-97375-433-0 8973754330
Trading Properties
Minimum Order Quantity: 10 pcs
Payment Terms: T/T
Supply Ability: 30000 pcs/yesr
Product Summary
Isuzu 4HK1 Excavtor Engine Cylinder Head Gasket 8-97375-433-0 8973754330 1. Quick Notice Confirm the Isuzu engine code (4HK1-TC, 4HK1-TCN, 4HK1X, etc.) and the gasket thickness mark on your original cylinder head gasket before ordering. This gasket is also available in 1.55 mm (8-97375-434-0) and 1...

Product Details

Highlight:

4hk1 head gasket 8973754330

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8973754330 engine cylinder head gasket

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engine cylinder head gasket 8-97375-433-0

OEM NUMBER: 8-97375-433-0 8973754330
Alternate Numbers: 8943927213, 8-97375-434-0 (1.55 Mm), 8-97375-435-0 (1.60 Mm)
Product Type: Cylinder Head Gasket
Material: Multi-Layer Steel (MLS) With Elastomer Coating
Product Description

Isuzu 4HK1 Excavtor Engine Cylinder Head Gasket 8-97375-433-0 8973754330

1. Quick Notice

 Confirm the Isuzu engine code (4HK1-TC, 4HK1-TCN, 4HK1X, etc.) and the gasket thickness mark on your original cylinder head gasket before ordering. This gasket is also available in 1.55 mm (8-97375-434-0) and 1.60 mm (8-97375-435-0) variants. Professional installation required-3.

2. Description

 The 8-97375-433-0 / 8973754330 cylinder head gasket is an OE-specification sealing component for Isuzu 4HK1 series 5.2L four-cylinder turbo diesel engines. Constructed from Multi-Layer Steel (MLS) with precision-embossed sealing beads, this gasket withstands extreme combustion pressures and high-temperature thermal cycling. The 4HK1 engine features a robust cast iron block, 115 mm bore × 125 mm stroke, 5,193 cc displacement, and compression ratio varying by model year: 18.5:1 (2005–2006), 17.5:1 (2007–2015), or 16.5:1 (2016–2020). Direct replacement for Isuzu 700P trucks, N-Series, NPR, NQR, FRR, FSR, and Hitachi excavators including ZX200-3, ZX330, ZX350H, ZX350K, ZX500. Common failure symptoms include external coolant seepage at the head joint, persistent engine overheating, white exhaust smoke, milky oil, compression loss, and exhaust bubbles in the radiator overflow tank.

 

4HK1 Head Gasket 8973754330 Engine Cylinder Head Gasket 8-97375-433-0

4HK1 Head Gasket 8973754330 Engine Cylinder Head Gasket 8-97375-433-0

 

3. Parameters Table

 
 
Parameter Specification
OEM Numbers 8-97375-433-0, 8973754330
Alternate Numbers 8943927213, 8-97375-434-0 (1.55 mm), 8-97375-435-0 (1.60 mm)
Product Type Cylinder Head Gasket
Material Multi-Layer Steel (MLS) with elastomer coating
Diameter 115.5 mm
Thickness 1.50 mm
Width 192 mm
Length 590 mm
Engine Fitment Isuzu 4HK1-TC, 4HK1-TCN, 4HK1X, 4HK1XQA
Displacement 5,193 cc / 5.2 L
Bore × Stroke 115 mm × 125 mm
Compression Ratio 18.5:1 / 17.5:1 / 16.5:1 (varies by model year)
Vehicle Fitment Isuzu 700P, NPR, NQR, FRR, FSR, N-Series
Excavator Fitment Hitachi ZX200-3, ZX330, ZX350H, ZX350K, ZX500W
Included Items Gasket only (no head bolts, no seals)
Installation Professional diesel engine technician required

4. Custom Content

Thickness Grades: The 4HK1 cylinder head gasket is available in three thickness grades. Selection is determined by the notch count on your original gasket tab: Grade 1 (1.50 mm / 8-97375-433-0), Grade 2 (1.55 mm / 8-97375-434-0), Grade 3 (1.60 mm / 8-97375-435-0)-3. Piston protrusion measurement is required for correct grade selection.

Surface Preparation: Both cylinder head and engine block surfaces must be thoroughly cleaned with a plastic scraper. Do not use abrasive discs or wire brushes on sealing surfaces.

Torque Specification: Tighten head bolts in the specified sequence (center outward) using multiple progressive stages. First stage: 98 N·m; second stage: 147 N·m; final stage: 30°–60° angle tightening. Always replace head bolts with new units. Apply molybdenum disulfide to M14 bolt threads and engine oil to M10 bolt threads before installation.

No Additional Sealant: MLS gaskets require no sealant. Install gasket dry on clean surfaces. Do not apply RTV or any gasket sealant.

4HK1 Head Gasket 8973754330 Engine Cylinder Head Gasket 8-97375-433-0

4HK1 Head Gasket 8973754330 Engine Cylinder Head Gasket 8-97375-433-0

4HK1 Head Gasket 8973754330 Engine Cylinder Head Gasket 8-97375-433-0

5. FAQ

Q1: Which Isuzu engines use the 8-97375-433-0 cylinder head gasket?
A1: This gasket fits Isuzu 4HK1-TC, 4HK1-TCN, 4HK1X, and 4HK1XQA 5.2L four-cylinder turbo diesel engines.

Q2: Are 8-97375-433-0 and 8973754330 the same gasket?
A2: Yes. Both numbers reference the identical cylinder head gasket. 8-97375-433-0 is the OEM hyphenated format; 8973754330 is the condensed form.

Q3: What thickness cylinder head gasket do I need?
A3: Select based on the notch count on your original gasket: 1.50 mm (Grade 1 / 8-97375-433-0), 1.55 mm (Grade 2 / 8-97375-434-0), or 1.60 mm (Grade 3 / 8-97375-435-0). Piston protrusion measurement from the cylinder block determines the correct grade.

Q4: What are common head gasket failure symptoms on a 4HK1?
A4: External coolant seepage at the head joint, persistent engine overheating, white exhaust smoke, milky oil (coolant-oil mixing), compression loss, rough idle, and exhaust bubbles in the radiator overflow tank.

Q5: What is the cylinder head bolt torque specification for the 4HK1?
A5: First stage: 98 N·m; second stage: 147 N·m; final stage: 30°–60° angle tightening. Always replace head bolts with new torque-to-yield (TTY) units and apply molybdenum disulfide to M14 bolt threads.

Q6: Do I need new cylinder head bolts?
A6: Yes. Always replace cylinder head bolts with new units. Reused bolts have permanent stretch from previous torque cycles and may not achieve correct clamp load.

Q7: Is sealant required for installation?
A7: No. MLS cylinder head gaskets seal without additional sealant. Install dry on clean, properly prepared surfaces. Do not apply gasket sealant or RTV silicone to the gasket.

Q8: What vehicles and equipment use the 4HK1 engine?
A8: The 4HK1 engine is found in Isuzu 700P trucks, N-Series, NPR, NQR, FRR, FSR, and Hitachi excavators including ZX200-3, ZX330, ZX350H, ZX350K, ZX500W.

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