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  • IZUMI Original Engine Rebuild Kit 4JG1 4JG2 4JB1 4JJ1 4BA1 Liner Kit 4HF1 4HE1T 4BD1 ISUZU Overhaul Repair Kit
  • IZUMI Original Engine Rebuild Kit 4JG1 4JG2 4JB1 4JJ1 4BA1 Liner Kit 4HF1 4HE1T 4BD1 ISUZU Overhaul Repair Kit
  • IZUMI Original Engine Rebuild Kit 4JG1 4JG2 4JB1 4JJ1 4BA1 Liner Kit 4HF1 4HE1T 4BD1 ISUZU Overhaul Repair Kit
  • IZUMI Original Engine Rebuild Kit 4JG1 4JG2 4JB1 4JJ1 4BA1 Liner Kit 4HF1 4HE1T 4BD1 ISUZU Overhaul Repair Kit
  • IZUMI Original Engine Rebuild Kit 4JG1 4JG2 4JB1 4JJ1 4BA1 Liner Kit 4HF1 4HE1T 4BD1 ISUZU Overhaul Repair Kit
  • IZUMI Original Engine Rebuild Kit 4JG1 4JG2 4JB1 4JJ1 4BA1 Liner Kit 4HF1 4HE1T 4BD1 ISUZU Overhaul Repair Kit
IZUMI Original Engine Rebuild Kit 4JG1 4JG2 4JB1 4JJ1 4BA1 Liner Kit 4HF1 4HE1T 4BD1 ISUZU Overhaul Repair Kit

IZUMI Original Engine Rebuild Kit 4JG1 4JG2 4JB1 4JJ1 4BA1 Liner Kit 4HF1 4HE1T 4BD1 ISUZU Overhaul Repair Kit

$100.00-$500.00/ Set|1 Set/Sets(Min. Order)

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

IZUMI Original Engine Rebuild Kit 4JG1 4JG2 4JB1 4JJ1 4BA1 Liner Kit 4HF1 4HE1T 4BD1 ISUZU Overhaul Repair Kit

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Engine Rebuilding & Overhaul: Provides a comprehensive set of genuine IZUMI ORIGINAL components (gaskets, pistons, piston rings, connecting rods, crankshafts, bearings, etc.) for overhauling Isuzu engines (4JG1, 4JG2, 4JB1, 4JJ1, 4BA1, 4HF1, 4HE1T, 4BD1).
  • Precision Performance: Engineered with high-strength materials (aluminum, steel, and durable rubber/cork) to ensure optimal sealing, reduced friction, and enhanced longevity for reliable engine operation.

Key features

  • 1. Material Technology

    • With corrosion-resistant steel pistons and durable rubber gaskets, ensure reliable sealing and longevity in harsh engine environments. The piston rings are crafted from wear-resistant materials to prevent oil leakage and maintain optimal combustion efficiency.

  • 2. Performance Parameters

    • With high-strength steel crankshafts and precision-engineered connecting rods, deliver enhanced load-bearing capacity and rotational stability, outperforming generic aftermarket parts*.

  • 3. Scenario Solutions

    • Designed for ISUZU engines (4JG1, 4JG2, etc.), this kit provides tailored compatibility for construction machinery rebuilds, enabling seamless installation and reducing downtime during overhauls.

  • 4. Certification Standards

    • Izumi Original certification ensures compliance with industry standards for engine component durability and safety, backed by a 1-year shelf life guarantee for consistent performance.

  • 5. Interactive Design (Functional Adaptability)

    • Precisely machined valve seats and bearings minimize friction and heat buildup, optimizing engine efficiency for both commercial and heavy-duty applications*.

  • Notes:

    • Material Technology: Highlighted corrosion resistance and sealing properties of key components.

Product details

IZUMI Original Engine Rebuild Kit 4JG1 4JG2 4JB1 4JJ1 4BA1 Liner Kit 4HF1 4HE1T 4BD1 ISUZU Overhaul Repair Kit

The IZUMI Original Engine Rebuild Kit is a comprehensive solution for overhauling Isuzu engines (4JG1, 4JG2, 4JB1, 4JJ1, 4BA1, 4HF1, 4HE1T, 4BD1). This kit includes critical components like gaskets, pistons, connecting rods, and bearings, designed for precise fitment and durability. With a 1-year shelf life, it ensures reliable performance for engine rebuilds in construction machinery and industrial applications.

Technical specifications

FeatureSpecificationBenefit
GasketsHigh-temperature rubber/cork compositePrevents fluid leaks under extreme stress
PistonsAluminum alloy with steel skirtLightweight yet durable for high RPM use
Piston RingsChromium-plated steelReduces oil consumption and wear
Connecting RodsForged steel with heat treatmentWithstands high torsional forces
CrankshaftsCase-hardened steelEnsures long-term rotational stability
BearingsBronze-backed steelLow friction and resistance to corrosion
Valve ComponentsPrecision-machined alloy steelMaintains optimal fuel/exhaust flow

Customization guide

Adjustable parameters include:

  • Material Thickness: Customize gasket dimensions for non-standard cylinder head gaps.
  • Coating Options: Select anti-corrosion coatings for marine or chemical-exposure environments.
  • Component Hardness: Tailor bearing and piston ring hardness for specific engine load requirements.

Get inspired

Rebuild your Isuzu engine with confidence using IZUMI’s precision-engineered components. Whether repairing a construction vehicle or industrial generator, this kit ensures seamless integration, reduced downtime, and enhanced engine longevity.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material GradeStandard alloy steelHigh-carbon alloy (+20%)Aerospace-grade titanium (+40%)*
Temperature Range-20°C to 120°C-30°C to 150°C-40°C to 180°C
Durability Rating5000 hours8000 hours12,000 hours
WeightStandardLightweight alloy (-15%)Ultra-light composite (-30%)

Supplier's note

  1. Technical Breakthroughs:

    • Advanced Coatings: The Pro Model’s titanium nitride-coated pistons reduce friction by 25% compared to traditional models.
    • Thermal Stability: The crankshaft’s case-hardening process extends operational lifespan by 40% in high-heat scenarios.
    • Precision Fit: CNC-machined valve seats ensure 99.9% alignment accuracy, minimizing combustion inefficiencies.

  2. Optimal Version Selection:

    • Base Model: Ideal for routine repairs in standard environments (e.g., agricultural machinery).
    • Advanced Model: Suitable for heavy-duty applications (e.g., mining equipment) needing lightweight yet robust components.
    • Pro Model: Designed for extreme conditions (e.g., offshore drilling rigs) where corrosion resistance and ultra-high durability are critical. With its triple-industry-standard chemical resistance, the Pro Model enables safe handling of corrosive fuels, paired with its aerospace-grade materials to withstand extreme pressures.

*Comparative values vs. industry benchmarks.

Frequently asked questions

  • Which IZUMI Original Engine Rebuild Kit model suits Isuzu engines like 4JG1 or 4JJ1?

  • How do I store the IZUMI Engine Rebuild Kit to maintain its 1-year shelf life?

  • What’s the difference between steel and aluminum components in the IZUMI kit?

  • Can the IZUMI kit be customized for non-listed Isuzu engine variants?

  • Is the IZUMI Engine Rebuild Kit certified for industrial use?

  • Does the IZUMI kit include all necessary parts for a complete engine overhaul?

  • How do I clean and prepare IZUMI piston rings before installation?

  • Why choose IZUMI’s gaskets over generic alternatives?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Engine GasketsDiesel engine rebuilds (high-temperature)Base: Viton® (300°C resistance) ▲ Advanced: Ceramic-reinforced Viton® (350°C) (Industry: Nitrile 150°C)▲▲ Superior heat resistance for prolonged operation in turbocharged enginesAdvanced version requires specialized installation tools (+10% cost)
Engine PistonsHigh-performance diesel enginesBase: Aluminum alloy (220 g/cm³) ▲ Advanced: Forged steel (280 g/cm³, 30% higher heat tolerance)▲▲ Withstands extreme combustion temps in heavy-duty applicationsAdvanced adds 15% weight, slightly reducing fuel efficiency
Piston RingsOil-leak prevention in high-cycle enginesBase: Chrome-plated steel (100k cycles) ▲ Advanced: Nanocoated steel (150k cycles) (Industry: 80k cycles)▲▲ Reduces oil consumption by 25% over 10k hoursAdvanced rings need precision alignment (+2hr labor)
Connecting RodsConstruction machinery enginesBase: Forged steel (1200 MPa) ▲ Advanced: Heat-treated SAE 4340 (1500 MPa) (Industry: 1000 MPa)▲▲ Handles 40% higher torque loads without deformation20% heavier than industry-standard cast rods
CrankshaftsHeavy-load industrial enginesBase: Balanced to 0.01mm ▲ Advanced: Dual-balanced to 0.005mm (Industry: 0.05mm)▲▲ Cuts vibration by 50% for smoother operationAdvanced balancing adds 30% to production cost
Engine BearingsHigh-RPM industrial enginesBase: Bronze with molybdenum (200k hours @150°C) ▲ Advanced: Silver-plated copper (300k hours @180°C)▲▲ Operates 50% longer in extreme heat vs industry standardAdvanced bearings cost 40% more than base version

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