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  • Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft for Infiniti EX30d FX30d QX70D Nissan Navara D40 Pathfinder R51 Renault Latitude
  • Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft for Infiniti EX30d FX30d QX70D Nissan Navara D40 Pathfinder R51 Renault Latitude
  • Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft for Infiniti EX30d FX30d QX70D Nissan Navara D40 Pathfinder R51 Renault Latitude
  • Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft for Infiniti EX30d FX30d QX70D Nissan Navara D40 Pathfinder R51 Renault Latitude
  • Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft for Infiniti EX30d FX30d QX70D Nissan Navara D40 Pathfinder R51 Renault Latitude
  • Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft for Infiniti EX30d FX30d QX70D Nissan Navara D40 Pathfinder R51 Renault Latitude
Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft for Infiniti EX30d FX30d QX70D Nissan Navara D40 Pathfinder R51 Renault Latitude

Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft for Infiniti EX30d FX30d QX70D Nissan Navara D40 Pathfinder R51 Renault Latitude

  • 1 - 19 Pieces
    $450
  • >= 20 Pieces
    $410

Customization:

Customized logo（Min.Order: 150 pieces）
Customized packaging（Min.Order: 150 pieces）
Graphic customization（Min.Order: 300 pieces）
View product details

Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft for Infiniti EX30d FX30d QX70D Nissan Navara D40 Pathfinder R51 Renault Latitude

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Conversion & Efficiency: Designed to convert linear piston motion into rotational power via precisely engineered connecting rod journals and crankweb, optimizing performance in 3.0L V6 diesel engines.
  • Durability Under Stress: Constructed from high-strength cast iron or alloy materials to withstand extreme temperatures and pressures common in diesel engines like the 3.0 DCI 240.
  • Balanced Operation: Advanced balancing ensures minimal vibration, enhancing engine smoothness and longevity for Infiniti EX30d, FX30d, and Nissan Navara D40 applications.

Key features

  • 1. Durable High-Strength Material Technology

    • With a robust cast iron and alloy construction, ensure exceptional durability and resistance to high-stress diesel engine environments. Engineered to outperform standard cast iron components*, this material combination maintains structural integrity even under heavy loads.

  • 2. Precision-Engineered Interactive Design

    • With optimized crankpin and connecting rod journal geometry, enable seamless conversion of piston motion into rotational power. The balanced crankweb design minimizes vibration, delivering smoother engine operation compared to generic aftermarket alternatives*.

  • 3. Performance-Optimized for 3.0L V6 Diesel Engines

    • With specifications tailored for 3.0L V6 diesel applications, handle high torque demands and extreme temperatures reliably. Designed to enhance power transfer efficiency, supporting the engine’s full 240 HP potential*.

  • 4. Versatile Scenario Solutions for Multiple Platforms

    • With compatibility for Infiniti EX30d/FX30d, Nissan Navara Pathfinder, and Renault Latitude models, suit both commercial (e.g., Navara) and luxury (e.g., Infiniti) applications. Ensures consistent performance across diverse driving conditions and vehicle types.

  • 5. Compliance with Automotive Industry Standards

    • With adherence to automotive industry standards for durability and safety, guarantee long-term reliability. Materials and manufacturing processes meet OEM-grade quality requirements, as confirmed by the manufacturer.

Product details

Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft for Infiniti EX30d FX30d QX70D Nissan Navara D40 Pathfinder R51 Renault Latitude

The Stem V9X DOHC Diesel V6 3.0L Engine Crankshaft is engineered for precision performance in high-stress diesel applications. Designed for Infiniti EX30d/FX30d/QX70D, Nissan Navara D40/Pathfinder R51, and Renault Latitude/Laguna III vehicles, this crankshaft combines robust materials and optimized geometry to ensure reliable power transfer and minimal wear.

Technical specifications

FeatureSpecificationBenefit
Main Bearing JournalHigh-strength cast iron, precision-machined surfaceEnsures smooth rotation and reduced friction
Connecting Rod JournalsForged alloy steel, load-optimized designConverts piston motion to rotational energy efficiently
CrankwebReinforced lattice structureBalances forces to minimize vibration
CrankpinTapered fit with thrust washerSecurely aligns connecting rods for stability
Material CompositionCast iron (base) / alloy steel (advanced)Combines durability with lightweight strength

Customization guide

Adjustable stroke length and crankpin offset parameters to meet specific engine displacement or balance requirements. For heavy-duty applications, customize the crankweb thickness for enhanced torsional resistance.

Get inspired

Optimize your diesel engine’s performance with a crankshaft designed to handle the high torque and thermal stress of 3.0L V6 diesel powerplants. Whether you’re restoring a classic Renault Latitude or upgrading a Nissan Navara’s off-road rig, this component ensures seamless power delivery and longevity.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material GradeCast ironAlloy steel (+15%)Heat-treated alloy (+30%)
Torsional Strength550 Nm630 Nm720 Nm
Balance Precision±0.1 mm±0.05 mm±0.02 mm
Load Capacity250 hp300 hp (+20%)350 hp (+40%)

Supplier's note

  1. Three Technical Breakthroughs:

    • Material Composition: The Pro Model’s heat-treated alloy steel achieves 30% higher torsional strength than industry benchmarks, enabling use in heavy-duty trucks.
    • Precision Balancing: ±0.02 mm tolerance reduces vibration by 40%, critical for diesel engines’ high RPM stability.
    • Crankweb Design: Lattice-reinforced structure distributes load 25% more efficiently than traditional solid webs.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard replacements in passenger vehicles (e.g., Infiniti EX30d) where OEM specifications suffice.
    • Advanced Model: Perfect for performance-tuned engines or light commercial use (e.g., Renault Laguna III towing applications).
    • Pro Model: Required for high-output diesel engines (e.g., Nissan Navara D40 off-road) needing sustained 350 hp loads. With its triple-certified chemical resistance, the Pro Model safely handles extreme operating temperatures without deformation.

Frequently asked questions

  • Which Stem V9X crankshaft model suits diesel engines like the Nissan Navara D40 or Infiniti EX30d?

  • How do I maintain the thrust washer on the Stem V9X crankshaft?

  • Cast iron vs. alloy crankshaft: Which is better for heavy-duty diesel engines?

  • Can the Stem V9X crankshaft be customized for increased stroke length?

  • Is the Stem V9X crankshaft material FDA-approved for automotive use?

  • Does the Stem V9X handle heavy towing loads in diesel trucks like the Nissan Navara?

  • How long does a Stem V9X crankshaft typically last in high-mileage vehicles?

  • How does the Stem V9X reduce vibration in diesel engines?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy-duty trucks, SUVs, diesel enginesIndustry: Cast Iron (ASTM A48)
Our Base: Cast Iron + Alloy (▲)
Our Advanced: High-Carbon Alloy (▲▲)		Base combines durability and weight savings; Advanced offers lightness (+20%) and strengthBase still heavier than pure alloy; Advanced requires specialized machining (▲▲ cost)
Strength RatingHigh-torque engines, off-road vehiclesIndustry: 400 MPa (ISO 630-1)
Base: 450 MPa (▲)
Advanced: 500 MPa (▲▲)		Base exceeds standard by 12.5%; Advanced handles extreme loads (e.g., 4x4 trucks)Advanced materials increase cost by 30% (▲▲)
Noise LevelPassenger cars, commercial fleetsIndustry: 55 dBA
Base: 50 dBA (▲)
Advanced: 45 dBA (▲▲)		Base reduces cabin noise by 10%; Advanced quieter than typical diesel engines (▲▲)Advanced requires precision balancing (+5% manufacturing time)
Heat ResistanceDiesel engines, high-temperature zonesIndustry: 400°C
Base: 420°C (▲)
Advanced: 450°C (▲▲)		Base maintains integrity in 420°C environments; Advanced withstands prolonged heat (▲▲)Advanced alloys may corrode faster in humid conditions
Balancing PrecisionPerformance vehicles, racingIndustry: ±0.1 G
Base: ±0.08 G (▲)
Advanced: ±0.05 G (▲▲)		Base reduces vibration by 20%; Advanced minimizes engine wear (▲▲)Advanced balancing adds complexity to installation (professional fitting advised)
CompatibilityOEM fitment for specific modelsIndustry: Generic fit
Base: Fits Nissan/Infiniti models (▲)
Advanced: Custom fit for Renault Latitude (▲▲)		Base ensures OEM alignment for 80% of listed models; Advanced eliminates clearance issues (▲▲)Advanced versions have limited stock for niche models (e.g., Laguna III)

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