4030868 RA Rotor Assy for KOMATSU QSB & Case
Aftermarket 4030868 RA Rotor Assy for KOMATSU QSB, Case, and SDLG CUMMINS QSB applications. Verify part number, engine code, and OEM reference numbers before ordering.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
Subtotal: US$ 39.00
Send an InquiryThis aftermarket 4030868 RA Rotor Assy is a replacement component designed for KOMATSU QSB and Case engine applications. It serves as a core turbocharger part for heavy-duty equipment, supporting repair shops and distributors who require verified fitment for QSB Tier-3 systems. Buyers should verify the part number and engine code against their specific unit before ordering to ensure correct application.
Key Specifications
- Part Number: 4030868 RA
- Product Type: Rotor Assy
- Gross Weight: 1.5 kg
- Packing: N/A
- Application Clues: KOMATSU QSB, Case, SDLG CUMMINS QSB
- OEM References: No specific OEM reference numbers are listed in the current data. Buyers should verify the part number and engine code against their specific unit before ordering to ensure correct application.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- KOMATSU > QSB
- Case
- KOMATSU > KOMATSU GRADER > QSB TIER-3
- SDLG > CUMMINS QSB
This Rotor Assy is listed for KOMATSU QSB, Case, and SDLG CUMMINS QSB applications. These paths serve as reference clues for heavy-duty equipment repair. Buyers should verify the part number 4030868 RA, engine code, and production year against their specific unit. Confirm that the turbine and compressor housing dimensions match the existing assembly before ordering. Technical fitment support is available to assist with verification for KOMATSU GRADER QSB TIER-3 or other QSB variants.
Technical Notes
The 4030868 RA Rotor Assy is a core component for QSB engine turbocharger systems. It is associated with KOMATSU QSB, Case, and SDLG CUMMINS QSB applications, including KOMATSU GRADER QSB TIER-3. No specific OEM reference numbers are listed in the current data. Buyers should verify the part number 4030868 RA and engine code against their existing turbo tag or nameplate. Confirm that the turbine and compressor housing dimensions match the old unit before ordering. Technical fitment support is available to assist with verification for specific QSB variants.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for 4030868 RA Rotor Assy orders. Worldwide shipping is available for KOMATSU QSB, Case, and SDLG CUMMINS QSB applications. Technical fitment support is provided to verify part numbers, engine codes, and OEM reference numbers before shipment. Contact our team for bulk quotes or specific inquiries regarding QSB Tier-3 grader applications.
Product FAQ
OTHER 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 OTHER.
Compatibility Verify part number 4030868 RA, engine code (QSB), vehicle application (KOMATSU, Case, SDLG), production year, and OEM reference numbers against your specific unit before ordering. This is an aftermarket replacement application; confirm fitment with technical support.
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Frequently Asked Questions
What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.
Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
