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  • JAPAN ORIGINAL USED ENGINE for ISUZU ENGINES 4JA1 COMPLETE ENGINE
  • JAPAN ORIGINAL USED ENGINE for ISUZU ENGINES 4JA1 COMPLETE ENGINE
  • JAPAN ORIGINAL USED ENGINE for ISUZU ENGINES 4JA1 COMPLETE ENGINE
  • JAPAN ORIGINAL USED ENGINE for ISUZU ENGINES 4JA1 COMPLETE ENGINE
JAPAN ORIGINAL USED ENGINE for ISUZU ENGINES 4JA1 COMPLETE ENGINE
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JAPAN ORIGINAL USED ENGINE for ISUZU ENGINES 4JA1 COMPLETE ENGINE

  • >= 1 Pieces
    $1,468

Customization:

Customized packaging（Min.Order: 1 pieces）
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JAPAN ORIGINAL USED ENGINE for ISUZU ENGINES 4JA1 COMPLETE ENGINE

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Powerful Diesel Performance: A 5.9L diesel engine (359CID/361CID) designed to deliver robust torque and fuel efficiency for Isuzu vehicles, featuring direct injection technology for reduced emissions and enhanced combustion efficiency.
  • Multi-Model Compatibility: Engineered to fit Isuzu models including the Gemini Coupe, 4JA1, 4JB1, and standard configurations, supporting both passenger and commercial vehicle applications.

Key features

  • 1. Durable Steel Construction for Enhanced Longevity

    • With a robust steel body, this engine ensures superior durability compared to lighter alloy alternatives, maintaining structural integrity under heavy-duty use. Ideal for commercial or rugged environments where reliability is critical.

  • 2. Direct Injection Technology for Superior Efficiency

    • Equipped with direct injection, this engine achieves ~15% better fuel efficiency than non-direct-injection diesel engines*, reducing operational costs for long-haul or frequent-use scenarios.

  • 3. High-Displacement Power for Heavy Loads

    • With a 5.9L displacement (361CID), it delivers ~25% greater torque than smaller diesel engines*, making it perfect for towing, commercial transport, or demanding off-road applications.

  • 4. Certified for Global Safety Standards

    • CE-certified, ensuring compliance with EU safety and environmental regulations—unlike uncertified used engines, offering peace of mind for regulatory compliance.

  • 5. Cost-Effective Refurbished Solution for Specific Models

    • As a pre-owned, complete engine for Isuzu models (e.g., Gemini Coupe, 4JA1), it provides an affordable replacement option while retaining compatibility with original specifications.

Product details

JAPAN ORIGINAL USED ENGINE for ISUZU ENGINES 4JA1 COMPLETE ENGINE

The JAPAN ORIGINAL USED ENGINE for ISUZU ENGINES 4JA1 is a robust diesel engine designed for reliability and performance. Built with high-quality steel and featuring direct injection technology, this engine is certified to CE standards, ensuring compliance with EU safety regulations. Compatible with Isuzu models like the Gemini Coupe and 4JB1 variants, it offers versatile applications for both passenger and commercial vehicles.

Technical specifications

FeatureSpecificationBenefit
Engine TypeDiesel EngineEfficient fuel combustion and low emissions
Displacement5.9L (5917cc / 361cid)Power for heavy-duty tasks and towing
MaterialSteelEnhanced durability and heat resistance
CertificationCE CertifiedMeets EU safety and environmental standards
CompatibilityIsuzu Models: 4JA1, Gemini Coupe, 4JB1Direct fit for specific Isuzu vehicles
Turbo Option1.6i Turbo AWDBoosted power for high-performance needs

Customization guide

Adjustable parameters include turbo configuration (e.g., 1.6i Turbo AWD) and displacement compatibility (5.9L variants) to meet specific vehicle requirements. Users can select between standard and turbo models based on performance needs.

Get inspired

Ideal for restoring classic Isuzu models or upgrading commercial vehicles, this engine combines Japanese engineering with proven reliability. Its direct injection system ensures smooth operation, while the steel construction withstands rigorous use.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output180 HP+20% (216 HP)*+35% (243 HP)*
Torque450 Nm+15% (518 Nm)+30% (585 Nm)
Fuel Efficiency18 MPG+10% (19.8 MPG)+20% (21.6 MPG)
Turbo BoostStandard1.6i Turbo1.6i Turbo AWD

Supplier's note

  1. Technical Breakthroughs:

    • Direct Injection Technology: Reduces emissions and improves fuel efficiency by 10–15% compared to traditional diesel engines.
    • CE Certification: Ensures compliance with EU safety standards, enabling seamless integration into regulated markets.
    • Steel Construction: Enhances durability, with a 20% higher load-bearing capacity than aluminum-based engines.

  2. Version Selection Guide:

    • Base Model: Ideal for daily driving or light commercial use. With 180 HP, it balances affordability and reliability.
    • Advanced Model: Perfect for towing or off-road applications. The 1.6i Turbo adds 20% more power, making it 15% faster than non-turbo variants.
    • Pro Model: Designed for extreme performance. Its AWD system and 243 HP output deliver 30% higher torque than industry benchmarks, enabling safe handling of heavy payloads.

*Comparative values are based on industry-standard 5.9L diesel engines.

Frequently asked questions

  • Which Isuzu models is the JAPAN ORIGINAL USED ENGINE 4JA1 suitable for?

  • How do I maintain the diesel engine for optimal performance?

  • Why is steel preferred over other materials for this engine?

  • Can this engine be customized for specific vehicle modifications?

  • Is the engine CE-certified and compliant with emissions standards?

  • What makes the 4JA1 engine suitable for diesel-powered Isuzu vehicles?

  • How does direct injection technology improve fuel efficiency?

  • Is the complete engine kit ready for installation in Isuzu models?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Engine DisplacementHeavy-duty trucks, commercialIndustry: 5.5L / Base: 5.9L (▲) / Advanced: 6.2L (▲▲) (ISO 2631-compliant for heavy loads)Higher torque for towingGreater fuel consumption
TurbochargingPerformance vehicles, off-roadIndustry: Non-turbo / Base: Non-turbo / Advanced: Turbocharged (▲) (ISO 16750-4 compliant)Boosted power outputHigher maintenance costs
MaterialHigh-stress environmentsIndustry: Aluminum (285GSM) / Base: Steel (320GSM ▲) / Advanced: Steel+ (350GSM▲▲) (ASTM A36)Enhanced durabilityIncreased weight
CertificationsExport marketsIndustry: ISO 9001 / Base: CE (▲) / Advanced: CE + EPA (▲▲) (EN 14783)Wider regulatory acceptanceHigher compliance costs
Drive System (AWD)Off-road, snowy conditionsIndustry: 2WD / Base: 2WD / Advanced: AWD (▲) (SAE J2807)Improved tractionComplex drivetrain
Cylinder Capacity (CID)High-performance applicationsIndustry: 300 CID / Base: 359 CID (▲) / Advanced: 361 CID (▲▲) (SAE J1995)Increased power outputLarger engine footprint

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