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7N7251 T1227 Turbocharger Core Replacement for CAT D342 & D8K

Aftermarket 7N7251 T1227 turbo core for CAT D342 and D8K applications. Verify part number, engine code, and OEM references 0R5915 or 407505-0016 before ordering. B2B volume pricing available.

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

Type Core On backorder — orders accepted Part # 7N7251 Models T1227 Weight 8.00 kg
Cross Reference 0R5915
Show more cross references 0R5915 407505-0016 407505-5016S 407505-9016 FOR 408110-0001 FOR 408110-0005 FOR 408110-0006
CA$ 270 / 1 pc(s)
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Subtotal: CA$ 270

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12-Month Warranty Shipping to Canada only. OEM-Grade Quality

This aftermarket 7N7251 T1227 turbocharger core is a replacement application for Caterpillar D342 and D8K engines. It serves as a central component for rebuilds, with representative OEM reference numbers including 0R5915 and 407505-0016 for fitment verification.

Key Specifications

  • Part Number: 7N7251
  • Product Type: Turbocharger Core (CHRA)
  • Turbo Model: T1227
  • Gross Weight: 8 kg
  • OEM Reference Numbers: 0R5915, 407505-0016, 407505-5016S, 407505-9016, 408110-0001, 408110-0005, 408110-0006
  • Application Clues: Caterpillar CAT D342, CAT 583H, and CAT D8K
  • Image Availability: High-resolution studio photography showing front, top, and bottom 45-degree views of the core assembly, including the central mounting flange and visible turbine/compressor wheels.

Application & Compatibility

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

  • Caterpillar > CAT > CAT 583H > CAT D342
  • Caterpillar > CAT > CAT EARTH MOVING > CAT D8K

This T1227 core is listed for Caterpillar applications including the CAT D342 engine in the CAT 583H and the CAT D8K earth-moving equipment. These application paths serve as reference clues for fitment verification rather than confirmed compatibility. Buyers should verify the part number 7N7251, engine code, and specific vehicle model against their equipment before ordering. Representative OEM reference numbers such as 0R5915 and 407505-0016 are provided to help identify the correct replacement application. Technical fitment support is available to assist with reference checking these numbers against your specific unit.

Technical Notes

The T1227 core assembly features a central cast housing with a visible mounting flange and two threaded mounting holes. The turbine and compressor wheels are visible with curved blades, while the central shaft includes a threaded tip. Machined metallic surfaces are present on the turbine and compressor housings, with a cast texture visible on the central housing body. These visual details support pre-shipment inspection and quality control checks. Buyers should verify the physical condition of the mounting flange and shaft threads against their specific application requirements before installation.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the 7N7251 T1227 core. Worldwide shipping is available for this 8 kg unit. Technical fitment support is provided to help verify part number 7N7251, engine code, and OEM reference numbers such as 0R5915 or 407505-0016 before ordering. Contact our team for specific application inquiries or to confirm fitment for your Caterpillar D342 or D8K equipment.

Product FAQ

Turbine and compressor housings, bearing seals, and gaskets are often checked alongside the 7N7251 core. Verify if the housing or actuator requires replacement during the rebuild.

Buyers often order turbine and compressor housings, repair kits, and mounting gaskets. Check if the existing housings are reusable or if a complete turbo assembly is needed.

Inspect oil supply and return lines for blockages or leaks before installing the 7N7251 core. Ensure the oil cooler and lines are clear to prevent bearing failure.

Representative OEM references include 0R5915, 407505-0016, and 408110-0001. Verify these numbers against your specific engine and vehicle application before ordering.

CAT 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 CAT.

Compatibility Verify part number 7N7251, engine code, vehicle application, production year, and OEM reference numbers such as 0R5915 or 407505-0016 before ordering. Confirm turbo configuration and 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.

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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