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4955331 Turbocharger Replacement for Cummins QST30 Tier 2

Aftermarket 4955331 turbocharger for Cummins QST30 Tier 2. Reference application for Volvo R100E and Komatsu ZR77. Verify part number and OEM references before ordering.

Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .

Type Turbocharger On backorder — orders accepted Part # 4955331 Weight 65.00 kg Packing 41*45*46
Cross Reference 4043241
Show more cross references 4043241 4043242 4043243 4046492 4046493
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12-Month Warranty Shipping to Canada only. OEM-Grade Quality

This aftermarket 4955331 turbocharger is a replacement unit for Cummins QST30 Tier 2 engines in heavy-duty mining and drilling equipment. It serves as a reference application for vehicles including the Volvo R100E and Komatsu ZR77, with OEM reference numbers 4043241 through 4046493 provided for fitment verification.

Key Specifications

  • Part Number: 4955331
  • Product Type: Turbocharger
  • Packing Dimensions: 41 x 45 x 46 cm
  • Gross Weight: 65 kg
  • Representative OEM Reference Numbers: 4043241, 4043242, 4043243, 4046492, 4046493
  • Application Clues: Cummins QST30 Tier 2 engine
  • Image Availability: Not currently displayed

Verify these specifications against your equipment documentation and OEM reference numbers before ordering.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

  • VOLVO > R100E > R100E Rigid mining haul truck > CUMMINS QST30 TIER2
  • Atlas Copco > DM-M3 > DM-M3 Rotary blasthole drill > CUMMINS QST30 TIER2
  • KOMATSU > ZR77 > ZR77 Blasthole drill > CUMMINS QST30 TIER2
  • Sandvik > DR412i > DR412i Rotary blasthole drill > CUMMINS QST30 TIER2

This 4955331 turbocharger is listed for Cummins QST30 Tier 2 engines in heavy-duty mining and drilling equipment. It is associated with reference applications including the Volvo R100E rigid mining haul truck, Atlas Copco DM-M3 rotary blasthole drill, Komatsu ZR77 blasthole drill, and Sandvik DR412i rotary blasthole drill. These application paths serve as verification clues for buyers confirming fitment against their specific equipment documentation. Always verify the part number, engine code, and OEM reference numbers such as 4043241, 4043242, 4043243, 4046492, and 4046493 before ordering to ensure the correct replacement application.

Technical Notes

This 4955331 turbocharger is designed for Cummins QST30 Tier 2 engines in heavy-duty mining and drilling equipment. No specific VNT, variable-geometry, or oil-cooling configuration is confirmed in the supplied data; verify the exact turbocharger configuration against your equipment documentation. Before installation, inspect oil supply and return lines for blockages or leaks, and ensure intake and exhaust paths are free of debris to prevent damage to the turbine and compressor wheels. Record oil pressure, boost pressure, and any unusual noises during the first start to confirm stable operation and correct installation. Technical fitment support is available to help verify these details before ordering.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing and worldwide shipping for the 4955331 turbocharger. Technical fitment support is available to help verify part number, Cummins QST30 Tier 2 engine code, and OEM reference numbers such as 4043241 and 4046492 before ordering. This service helps confirm the correct replacement application for heavy-duty mining and drilling equipment. Inquire about bulk orders or specific application verification to ensure the unit matches your equipment documentation.

Product FAQ

This turbocharger is associated with OEM reference numbers 4043241, 4043242, 4043243, 4046492, and 4046493. Verify these numbers against your equipment documentation.

Inspect oil supply and return lines for blockages or leaks before installation. Ensure the oil circuit is clean to prevent immediate failure of the new turbocharger.

Confirm that the intake and exhaust paths are free of debris and carbon buildup. Contaminants can damage the turbine and compressor wheels during the first start.

Record oil pressure, boost pressure, and any unusual noises during the first start. These data points help confirm stable operation and correct installation.

R100E and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by R100E.

Compatibility Verify part number 4955331, Cummins QST30 Tier 2 engine code, vehicle application, and OEM reference numbers (4043241, 4043242, 4043243, 4046492, 4046493) before ordering. Confirm fitment with technical support.

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Frequently Asked Questions

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Turbochargers

Complete Turbo Units

Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

Turbine Wheels & Shafts

Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

Turbine Housings

Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

Compressor Housings

OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

Bearing Housings

Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.

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