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  • Reliable Quality in Large Factory Valve Rocker Arm OE MD324966 for MITSUBISHI 4D55 4D56 Engine
  • Reliable Quality in Large Factory Valve Rocker Arm OE MD324966 for MITSUBISHI 4D55 4D56 Engine
  • Reliable Quality in Large Factory Valve Rocker Arm OE MD324966 for MITSUBISHI 4D55 4D56 Engine
  • Reliable Quality in Large Factory Valve Rocker Arm OE MD324966 for MITSUBISHI 4D55 4D56 Engine
  • Reliable Quality in Large Factory Valve Rocker Arm OE MD324966 for MITSUBISHI 4D55 4D56 Engine
  • Reliable Quality in Large Factory Valve Rocker Arm OE MD324966 for MITSUBISHI 4D55 4D56 Engine
Reliable Quality in Large Factory Valve Rocker Arm OE MD324966 for MITSUBISHI 4D55 4D56 Engine
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Reliable Quality in Large Factory Valve Rocker Arm OE MD324966 for MITSUBISHI 4D55 4D56 Engine

  • 50 - 199 Pieces
    $2.55
  • >= 200 Pieces
    $2.25

Customization:

Customized logo（Min.Order: 5000 pieces）
Customized packaging（Min.Order: 5000 pieces）
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Reliable Quality in Large Factory Valve Rocker Arm OE MD324966 for MITSUBISHI 4D55 4D56 Engine

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Motion Conversion: Converts linear camshaft motion into rotational valve movement for precise engine timing, ensuring optimal intake/exhaust processes.
  • Durability & Strength: Constructed from high-strength cast iron, designed to withstand extreme engine temperatures and forces in high-performance or heavy-duty applications.

Key features

  • 1. Material Technology

    • With high-strength cast iron construction, ensure durability under extreme engine temperatures and forces. This material choice aligns with OE specifications for reliable performance in demanding engine environments.

  • 2. Interactive Design

    • With dual precision-engineered pivot points (large top and smaller bottom), optimize force distribution and reduce wear, enabling smooth valve actuation for consistent engine operation.

  • 3. Performance Parameters

    • With OE MD324966 compatibility, fit seamlessly for Mitsubishi 4D55/4D56 engines across models like Pajero, L200, and Montero (1982-2004), ensuring precise valve timing and alignment with factory standards.

  • 4. Scenario Solutions

    • With robust design and threaded mounting holes, support high-performance and heavy-duty applications, ideal for commercial or off-road vehicles that require continuous operation and reliability.

  • 5. Certification Standards

    • With OE-certified manufacturing, meet strict automotive quality benchmarks, ensuring compatibility and longevity comparable to original equipment.

Product details

Reliable Quality in Large Factory Valve Rocker Arm OE MD324966 for MITSUBISHI 4D55 4D56 Engine

The TOCTUO Valve Rocker Arm (OE MD324966) is a precision-engineered component designed for Mitsubishi 4D55/4D56 engines, supporting a wide range of models including Pajero, L200, and Montero across 1982–2004. Built with high-strength cast iron, it ensures robust performance under extreme engine conditions, maintaining valve timing accuracy for optimal engine efficiency.

Technical specifications

FeatureSpecificationBenefit
MaterialHigh-strength alloy cast ironWithstands high thermal and mechanical stress
DesignDual pivot points with reinforced geometryEnsures smooth valve actuation and reduced wear
CompatibilityOE fitment for Mitsubishi 4D55/4D56 enginesDirect replacement for listed models
Threaded MountingPrecision-machined side threaded holeSecure installation and alignment
Load Capacity1,200 N (standard specification)Supports engine cycles up to 200,000 km

Customization guide

Adjust material composition (e.g., steel alloy for enhanced thermal resistance) or pivot dimensions to meet specific engine load requirements or thermal resistance needs.

Get inspired

Engineers and mechanics rely on the TOCTUO rocker arm for its reliability in high-stress engine environments. Its robust design ensures seamless valve operation, extending engine longevity and reducing downtime for vehicles like the Mitsubishi Pajero and L200.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity1,200 N+15% (1,380 N)+30% (1,560 N)*
Thermal Resistance450°C500°C550°C
Wear ResistanceStandard coatingHardened coatingDiamond-like carbon (DLC) coating

Supplier's note

  1. Dual Pivot Geometry: The asymmetric pivot design reduces stress concentration by 25% compared to traditional models, extending component lifespan.
  2. Enhanced Thermal Resistance: The Pro Model’s 550°C rating exceeds industry standards by 20%, enabling use in turbocharged engines.
  3. Precision Threaded Mounting: The threaded hole ensures ±0.1mm alignment accuracy, critical for high-torque applications.

Optimal Version Selection:

  • Base Model: Ideal for standard-duty vehicles (e.g., Pajero Brazil) with routine engine loads.
  • Advanced Model: Suitable for heavy-duty trucks (e.g., L300, L400) requiring increased load capacity.
  • Pro Model: Recommended for turbocharged or high-revving engines (e.g., Pajero Sport) where extreme thermal and mechanical stress are common.

Example Use Case: The Pro Model’s DLC coating paired with its 550°C thermal resistance enables safe operation in turbocharged 4D56 engines, reducing wear by 40% compared to uncoated alternatives.

Frequently asked questions

  • Which Mitsubishi models is the TOCTUO OE MD324966 rocker arm compatible with?

  • How do I maintain the TOCTUO cast iron rocker arm for longevity?

  • Is the TOCTUO rocker arm OEM-certified for Mitsubishi 4D55/4D56 engines?

  • Can the TOCTUO rocker arm be customized for specific engine needs?

  • What makes the TOCTUO rocker arm suitable for high-temperature engine environments?

  • Does the TOCTUO MD324966 fit all years from 1982-2004 Mitsubishi engines?

  • What’s the recommended installation method for this rocker arm?

  • How does the TOCTUO design improve valve operation compared to standard rocker arms?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material QualityHigh-stress engine environmentsIndustry Standard: Cast Iron (ISO 809)
Our Base: Cast Iron (ISO 809)
Our Advanced: Alloy Steel (ASTM A387)		Base: Cost-effective
Advanced: ▲▲ 2x fatigue resistance (reduces wear)		Advanced: 15% higher cost
Base: Heavier than Advanced
Load CapacityHeavy-duty trucks, off-road vehiclesIndustry: 5,000 N
Base: 6,000 N (▲ 20% stronger)
Advanced: 7,500 N (▲▲ 50% stronger)		Advanced: ▲▲ Supports extreme engine loads (e.g., turbocharged setups)Industry: Risk of deformation under high stress
CompatibilityMitsubishi 4D55/56 engines (1982–2004)Industry: Fits 10+ models
Base: Fits 25+ models (▲ covers Pajero, L200, etc.)
Advanced: Fits 40+ models (▲▲ incl. rare variants)		Base: Wider fitment than OEM
Advanced: ▲▲ Full model coverage		Industry: Limited to common trims
DurabilityLong-term engine operationIndustry: 8,000 cycles (ISO 9023)
Base: 10,000 cycles (▲ 25% longer lifespan)
Advanced: 12,000 cycles (▲▲ 50% improvement)		Advanced: ▲▲ Withstands 10+ years of heavy useIndustry: Frequent replacement needed
Temperature ResistanceHigh-heat engine compartmentsIndustry: Up to 250°C
Base: 280°C (▲ 12% hotter tolerance)
Advanced: 320°C (▲▲ 28% hotter tolerance)		Advanced: ▲▲ Operates in extreme climates (e.g., desert trucks)Industry: Risk of warping in high-heat zones
WeightSpace-constrained engine baysIndustry: 5.5 kg
Base: 5.2 kg (▲ 5% lighter)
Advanced: 4.8 kg (▲▲ 13% lighter)		Base: Reduces engine load
Advanced: ▲▲ Easier installation, fuel savings		Advanced: Requires premium material investment

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