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  • F045 Power Steering Gear Box for Isuzu 4JB1 8971099866
  • F045 Power Steering Gear Box for Isuzu 4JB1 8971099866
  • F045 Power Steering Gear Box for Isuzu 4JB1 8971099866
  • F045 Power Steering Gear Box for Isuzu 4JB1 8971099866
  • F045 Power Steering Gear Box for Isuzu 4JB1 8971099866
  • F045 Power Steering Gear Box for Isuzu 4JB1 8971099866
F045 Power Steering Gear Box for Isuzu 4JB1 8971099866
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F045 Power Steering Gear Box for Isuzu 4JB1 8971099866

  • 2 - 19 Pieces
    $70
  • 20 - 49 Pieces
    $68
  • >= 50 Pieces
    $65
View product details

F045 Power Steering Gear Box for Isuzu 4JB1 8971099866

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Hydraulic Power Assistance: Provides smooth, low-effort steering via hydraulic power, reducing driver fatigue in Isuzu 4JB1 vehicles (models 1977-1991).
  • Precision Engineering: Ensures accurate steering alignment and durability, critical for maintaining vehicle control and safety.

Key features

  • 1. Durable Steel Construction

    • With a corrosion-resistant steel body, you can ensure long-lasting durability in harsh driving conditions. ~30% stronger than aluminum components*, this material withstands mechanical stress for reliable performance over time.

  • 2. Hydraulic Power Steering

    • With hydraulic power assistance, you can achieve effortless steering compared to manual systems. Reduces steering effort by up to 50%*, enhancing driver comfort in tight maneuvers or low-speed scenarios.

  • 3. Broad Compatibility

    • With compatibility across Isuzu 4JB1 models from 1977 to 1991, you can ensure precise fitment for a wide range of vehicle years and variants. Fits over 20 Isuzu configurations*, making it a versatile replacement part.

  • 4. Direct OEM Replacement Solution

    • Designed as a direct OEM replacement, you can restore smooth steering in classic or vintage Isuzu vehicles. Maintains original equipment manufacturer (OEM) performance standards*, ensuring seamless integration and reliable operation.

  • 5. Precision-Engineered Safety

    • Manufactured to automotive safety standards, you can trust this gear box to meet rigorous durability and performance requirements. Meets ISO 9001 quality certification*, guaranteeing consistent steering response and safety.

Product details

F045 Power Steering Gear Box for Isuzu 4JB1 8971099866

The F045 Power Steering Gear Box is a robust hydraulic steering component designed for Isuzu 4JB1 vehicles manufactured between 1977 and 1991. Crafted from high-grade steel, this assembly ensures precise steering control and durability, making it ideal for classic or retrofitted vehicles requiring reliable manual/hydraulic steering systems.

Technical specifications

FeatureSpecificationBenefit
MaterialSteelEnhanced durability and resistance to wear
Power SourceHydraulic powerSmooth, low-effort steering assistance
CompatibilityFits Isuzu 4JB1 models (1977–1991)Direct OEM replacement for legacy vehicles
ConstructionPrecision-engineered metal assemblyEnsures stable alignment and force distribution
Mounting DesignMultiple bolted attachment pointsSecure integration with vehicle chassis

Customization guide

Adjustable mounting points and customizable fitment parameters allow tailoring to specific Isuzu model year requirements. For special needs, consult our engineering team to modify gear ratios or mounting configurations for non-standard applications.

Get inspired

Upgrade your classic Isuzu’s steering system with a component that balances power and precision. The F045’s hydraulic design reduces driver effort while maintaining the tactile feedback prized in manual steering setups.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Hydraulic EfficiencyStandard flow rate+15% flow rate+30% flow rate*
Weight Capacity500 kgReinforced 650 kgHeavy-duty 800 kg
Compatibility Range1983–1990 models1977–1991 modelsAll vintage Isuzu

Supplier's note

  1. Technical Breakthroughs:

    • Steel Construction: With steel, you can achieve 40% higher tensile strength than cast iron, ensuring longevity in harsh environments.
    • Hydraulic Integration: The advanced model’s +15% flow rate reduces steering lag by 20% compared to traditional manual gears.
    • Precision Mounting: Adjustable mounting brackets enable a 30% wider fitment tolerance than industry standards.

  2. Version Selection Guidance:

    • Base Model: Ideal for 1983–1990 Isuzu owners prioritizing cost-effective OEM replacement.
    • Advanced Model: Suitable for 1977–1982 models needing enhanced hydraulic responsiveness for off-road use.
    • Pro Model: Best for collectors or restorers requiring full vintage compatibility and heavy-duty resilience.

With the Pro Model’s 800 kg weight capacity, you can safely handle rugged terrain while maintaining precise steering—critical for classic truck conversions. Pair its hydraulic efficiency with steel durability to eliminate maintenance downtime.

Frequently asked questions

  • Which F045 Power Steering Gear Box model suits Isuzu 4JB1 vehicles from 1983-1990?

  • How do I maintain the hydraulic power steering system for the F045 gear box?

  • Steel vs. Aluminum: Why is steel better for Isuzu steering gear boxes?

  • Can the F045 steering gear be customized for non-Isuzu vehicles?

  • Is the F045 Power Steering Gear Box OEM-certified for Isuzu vehicles?

  • Does the F045 require professional installation?

  • How long does the steel steering gear assembly typically last?

  • Is the F045 suitable for manual steering systems without power assist?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard Hydraulic Steering GearsOlder vehicles, heavy-duty trucksSteel construction (ASTM A36), Hydraulic pressure: 1,200 psi (SAE J1199)Reliable durability, cost-effective for legacy systemsRequires frequent fluid checks, less precise feedback
Our Base Model (F045 Base)Standard Isuzu 4JB1 models (1983–1990)Steel (ASTM A36), Hydraulic pressure: 1,500 psi (▲1), Manual adjustmentEnhanced pressure over industry standards, direct fit for Isuzu vehiclesNo adjustable components, limited customization
Our Advanced Model (F045 Advanced)High-performance Isuzu variantsHigh-grade steel (ASTM A514 ▲2), Hydraulic pressure: 1,800 psi (▲2), Adjustable components (▲)Superior durability, customizable steering feel, quieter operation (43 dBA ▲)Higher cost, requires skilled installation
Manual Steering GearsVintage cars, off-road vehiclesCast iron/steel (ASTM A131), No power assistanceZero maintenance dependencies, tactile feedbackRequires significant physical effort,不适合 long drives
Electric Power Steering (EPS)Modern sedans, compact carsAluminum housing (ISO 10806), 12V motor, 50 Nm torque (ISO 6708)Lightweight, fuel-efficient, adaptive steering effortDependent on battery, complex electronics prone to failure
Rack-and-Pinion SteeringPassenger cars, SUVsAluminum alloy (ISO 630), 15:1 gear ratio (SAE J2700), 300 Nm torsional strengthCompact design, precise steering, low maintenanceLess durable under heavy loads, costly to repair

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