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5321612 RK Repair Kit for Cummins QSK38 Turbocharger

Type Repair kit Part # FOR 5321612 RK Weight 0.50 kg Packing 30*20*4
Cross Reference FOR 3773274 RK
Show more cross references FOR 3773274 RK FOR 3773275 RK FOR 3784397 RK FOR 3784746 RK FOR 3784747 RK FOR 3786575 RK FOR 3793677 RK FOR 4033041 RK FOR 4033266 RK FOR 4033443 RK FOR 4033444 RK FOR 4033445 RK FOR 4033454 RK FOR 4033474 RK FOR 4033475 RK FOR 4033508 RK FOR 4033866 RK FOR 4041135 RK FOR 4041136 RK FOR 4041137 RK FOR 4041787 RK FOR 4041788 RK FOR 4041789 RK FOR 4042592 RK FOR 4042593 RK FOR 4042594 RK FOR 4042917 RK FOR 4042918 RK FOR 4042919 RK FOR 4043198 RK FOR 4043199 RK FOR 4043216 RK FOR 4043217 RK FOR 4043218 RK FOR 4043236 RK FOR 4043237 RK FOR 4043238 RK FOR 4043241 RK FOR 4043242 RK FOR 4043243 RK FOR 4043305 RK FOR 4043306 RK FOR 4043307 RK FOR 4044052 RK FOR 4044053 RK FOR 4044146 RK FOR 4044148 RK FOR 4044149 RK FOR 4044754 RK FOR 4044755 RK FOR 4044756 RK FOR 4046372 RK FOR 4046373 RK FOR 4046374 RK FOR 4046375 RK FOR 4046492 RK FOR 4046493 RK FOR 4046494 RK FOR 4046495 RK FOR 4047291 RK FOR 4047292 RK FOR 4047293 RK FOR 4047294 RK FOR 4047295 RK FOR 4047296 RK FOR 4047297 RK FOR 4048479 RK FOR 4048800 RK FOR 4048801 RK FOR 4048802 RK FOR 4049890 RK FOR 4049891 RK FOR 4049892 RK FOR 4049902 RK FOR 4049903 RK FOR 4049904 RK FOR 4309430 RK FOR 4309438 RK FOR 4955293 RK FOR 4955295 RK FOR 4955329 RK FOR 4955330 RK FOR 4955331 RK FOR 4955406 RK FOR 4955449 RK FOR 4955553 RK FOR 4955554 RK FOR 4955647 RK FOR 4955647NX RK FOR 4955647RX RK FOR 4955648 RK FOR 4955648NX RK FOR 4955648RX RK FOR 4955680 RK FOR 4955681 RK FOR 4955686 RK FOR 4955686RX RK FOR 4955687 RK FOR 4955688 RK FOR 4955915 RK FOR 4955916 RK FOR 5321614 RK FOR 5321615 RK FOR 5321619 RK FOR 5321619RX RK FOR 5321621 RK FOR 5321637 RK FOR 5321637RX RK FOR 5357027 RK FOR 5638747 RK FOR 5638748 RK FOR 5638753 RK FOR 5638754 RK FOR 5638766 RK FOR 5638768 RK FOR 5638769 RK FOR 5638770 RK
US$ 55.00 / 1 pc(s)
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Subtotal: US$ 55.00

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12-Month Warranty Worldwide Shipping OEM-Grade Quality

LeadTurbo 5321612 RK is an aftermarket turbocharger repair kit designed for Cummins QSK38 engines used in construction equipment. This replacement kit serves as a cost-effective solution for maintaining turbocharger performance in heavy-duty applications.

Key Specifications

  • Part Number: 5321612 RK
  • Product Type: Repair Kit
  • Engine Application: Cummins QSK38
  • Vehicle Category: Construction Equipment
  • Gross Weight: 0.5 kg
  • Packing Dimensions: 30x20x4 cm
  • Image Available: Yes
  • Representative OEM References: 4043216 RK, 4955647 RK, 5321614 RK

Application & Compatibility

This repair kit is listed for use with Cummins QSK38 engines found in various construction machinery. The following OEM reference numbers are associated with this product for verification purposes:

  • Primary Reference: 5321612 RK
  • Additional References: 3773274 RK, 3784397 RK, 4033041 RK, 4041135 RK, 4043216 RK, 4955293 RK, 5321614 RK, 5357027 RK, 5638747 RK.

Buyers must verify the specific turbocharger model, engine serial number, and vehicle application before ordering. Fitment is not guaranteed for all variants of the QSK38 engine. Cross-reference your existing part number with the list above to ensure correct selection.

Technical Notes

This kit is intended for the repair and restoration of turbocharger assemblies. It typically includes necessary seals, bearings, and hardware required for standard rebuild procedures. Always inspect the turbocharger housing and shaft for damage before installation. If the housing or shaft is compromised, a full turbocharger assembly or CHRA replacement may be required instead of a repair kit. Verify the specific contents of the kit against your repair manual.

B2B Supply

LeadTurbo provides technical fitment support to help distributors and repair shops confirm part suitability. Volume pricing is available for bulk orders. We offer worldwide shipping to support global supply chains. Contact our sales team for quotes and lead times.

Product FAQ

This kit is associated with numerous OEM reference numbers including 4043216 RK, 4955647 RK, 5321614 RK, and 5638747 RK. Please verify your specific part number against the full list provided in the product description.

No. While designed for Cummins QSK38 engines in construction equipment, fitment varies by engine serial number and turbocharger configuration. Verify your specific application details before ordering.

No. This is an aftermarket replacement repair kit manufactured by LeadTurbo. It is not an original equipment manufacturer (OEM) part.

The kit typically includes seals, bearings, and hardware necessary for turbocharger repair. Exact contents may vary; consult the product specifications or contact technical support for a detailed parts list.

Yes. Volume pricing is available for B2B buyers, distributors, and repair shops. Contact our sales team for a custom quote.

Yes. We offer worldwide shipping for this product. Shipping times and costs vary by destination.

For More Information

Frequently Asked Questions

What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.

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.