This Grade 3X cylinder liner is engineered to deliver outstanding durability and precise piston operation for Isuzu 4HE1 diesel engines manufactured between 1998 and 2004. Designed to match OEM specifications, the liner provides an ultra-smooth and perfectly machined internal surface that supports efficient piston travel, excellent compression retention, and reduced engine friction.
Manufactured using high-strength alloy steel, Grade 3X liners are known for superior structural integrity, thermal resistance, and excellent anti-wear properties. This makes them ideal for engines operating under high loads, commercial conditions, or continuous duty cycles.
Whether you’re performing a full overhaul, replacing a worn or scored liner, or restoring compression levels, this 3X liner ensures your 4HE1 engine maintains maximum performance and longevity.
Key Features & Benefits
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Grade 3X Oversize Specification for precise oversize piston compatibility
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Perfect Fit for Isuzu 4HE1 engines (1998–2004)
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Precision-Machined Surface ensures smooth piston travel
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High Alloy Steel Construction provides maximum durability
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Enhanced Compression Sealing prevents blow-by and power loss
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Excellent Heat & Wear Resistance suitable for heavy-duty operation
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Ideal for Engine Overhauls & Rebuilds in trucks and commercial vehicles
FREQUENTLY ASKED QUESTIONS (FAQ)
What engines does this Grade 3X cylinder liner fit?
This liner is designed for Isuzu 4HE1 diesel engines manufactured between 1998 and 2004.
What does Grade 3X mean?
Grade 3X indicates an oversize specification that ensures precise piston fit during engine rebuilds.
Is this liner suitable for engine overhauls?
Yes, it is ideal for full engine rebuilds, repairs, and replacements in heavy-duty vehicles.
Is it made from durable material?
Yes, it is constructed from high-strength alloy steel to ensure long service life and wear resistance.
Does this part meet OEM standards?
Yes, the liner is manufactured to meet or exceed OEM specifications for performance and fitment.
Cylinder Liner – Grade 3X | Isuzu 4HE1 Engine | 1998-2004
OE Replacement: Not Available
Fits Following: Isuzu NPR NPR-HD NQR / 4HE1 4.8L / OD Grade 1X – Black
Year: 1998-2004
