6506-21-5010 KTR90-232E Turbocharger Replacement for Komatsu PC400-7 OEM Quality Aftermarket

$468.00

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Selected by industry leaders worldwide for proven quality.

1-Year Standard Warranty

12 months coverage to guarantee long-term performance and reliability.

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Bespoke solutions tailored exactly to your project's technical specifications.

Part Number:​​ 6506-21-5010;6506215010;6506215011;6506-21-5011 Type: Turbocharger
Model:​ Previous Version:
Engine Model: Application:
Condition:​ Brand New Material: Alloy / K18 Steel
Fuel Type: Diesel Purpose: For replace/repair
Warranty: 12 Months Standard: OEM Standard
Cooling: Payment Terms: L/C, T/T, Western Union Paypal
Package: Neutral MOQ: 1/pcs

6506-21-5010 KTR90-232E Turbocharger Replacement for Komatsu PC400-7

Premium Replacement Turbocharger for Komatsu Heavy Equipment

The 6506-21-5010 KTR90-232E Turbocharger is a premium aftermarket replacement engineered for Komatsu PC400-7 hydraulic excavators powered by the Komatsu SAA6D125E diesel engine. Designed to meet or exceed OEM performance standards, this turbocharger provides reliable air compression, efficient combustion, and consistent engine output for demanding heavy-duty applications.

Turbochargers play a vital role in modern diesel engines by increasing airflow into the combustion chamber. This allows the engine to generate more power while maintaining fuel efficiency and reducing emissions. A worn or damaged turbocharger can lead to power loss, excessive exhaust smoke, poor fuel economy, increased oil consumption, and costly engine damage.

Our 6506-21-5010 KTR90-232E Turbocharger Replacement is manufactured using premium turbine materials, precision-machined compressor wheels, and high-temperature resistant bearing systems. Every unit undergoes rigorous balancing and performance testing before shipment, ensuring dependable performance in construction, mining, quarry, and infrastructure projects.

Whether you are an equipment owner, repair workshop, parts distributor, or OEM replacement supplier, this turbocharger offers an economical and dependable solution for restoring machine productivity.


Key Specifications

Item Specification
Product Name Turbocharger
Part Number 6506-21-5010
Turbo Model KTR90-232E
Engine Model Komatsu SAA6D125E
Equipment Model Komatsu PC400-7
Fuel Type Diesel
Cooling Type Oil Lubricated
Condition Brand New
Quality High-Performance Aftermarket
Warranty 12 Months
Packaging Neutral Packaging or Customized Branding
OEM/ODM Available
Origin China

Product Features

Precision Manufactured Components

Each turbocharger is produced using advanced CNC machining technology and premium materials to ensure dimensional accuracy and long-term reliability.

High-Speed Dynamic Balancing

The rotating assembly is dynamically balanced to minimize vibration and improve bearing life, ensuring smooth operation even under high engine loads.

High-Temperature Resistance

Premium turbine housings and heat-resistant alloys withstand continuous high exhaust temperatures generated by heavy-duty diesel engines.

Improved Engine Performance

The optimized compressor wheel design increases intake airflow, resulting in:

  • Faster throttle response
  • Higher engine torque
  • Improved horsepower
  • Reduced turbo lag

Fuel Efficiency

Proper air compression enables more complete fuel combustion, helping reduce diesel consumption and improve overall operating efficiency.

Long Service Life

High-quality journal bearings, thrust bearings, oil seals, and shaft assemblies provide reliable operation under demanding working conditions.


Application & Compatibility

This turbocharger is specifically designed as a replacement for machines equipped with the Komatsu SAA6D125E diesel engine.

Compatible applications include:

  • Komatsu PC400-7 Hydraulic Excavator
  • Selected Komatsu construction equipment using KTR90-232E turbocharger
  • Heavy-duty earthmoving machinery
  • Mining equipment
  • Quarry machinery
  • Infrastructure construction equipment

Always verify the turbocharger model (KTR90-232E) and part number (6506-21-5010) before ordering to ensure compatibility.


Benefits of Replacing a Worn Turbocharger

A failing turbocharger can significantly reduce machine productivity. Replacing it with a quality replacement unit restores engine performance and minimizes downtime.

Benefits include:

  • Restored engine power
  • Stable boost pressure
  • Reduced black exhaust smoke
  • Improved fuel economy
  • Lower engine operating temperature
  • Reduced oil leakage
  • Increased engine reliability
  • Extended service intervals

Manufacturing Quality Control

Quality is the foundation of every turbocharger we supply.

Our manufacturing process includes:

  • Raw material inspection
  • Precision CNC machining
  • Compressor wheel balancing
  • Turbine shaft balancing
  • Dynamic core balancing
  • Leak testing
  • Oil flow testing
  • Boost pressure simulation
  • Final performance inspection
  • Protective packaging

Every turbocharger is inspected before shipment to ensure consistent performance and customer satisfaction.


Technical Notes

For optimum performance and service life, professional installation is strongly recommended.

Before installation:

  • Replace contaminated engine oil.
  • Install a new oil filter.
  • Clean oil supply and return lines.
  • Inspect the intercooler for contamination.
  • Check intake and exhaust systems for debris.
  • Replace damaged gaskets and seals.
  • Prime the turbocharger with clean engine oil before startup.
  • Verify proper oil pressure after installation.

Failure to follow these procedures may shorten turbocharger life.


B2B Supply

As a professional supplier of diesel engine and construction equipment spare parts, we support global distributors, wholesalers, importers, and equipment maintenance companies.

Our B2B services include:

  • OEM manufacturing
  • ODM customization
  • Private label packaging
  • Neutral packaging
  • Bulk order discounts
  • Fast worldwide shipping
  • Stable inventory
  • Flexible MOQ
  • Technical support
  • Quality inspection before shipment

We export to customers across Southeast Asia, the Middle East, Africa, Europe, North America, and South America.

Whether you require a single replacement unit or large-volume procurement, we can provide reliable supply solutions with competitive pricing and consistent quality.


Why Choose Our Turbocharger?

Customers choose our products because we offer:

  • OEM-quality manufacturing
  • Strict quality control
  • Precision balancing
  • Durable components
  • Competitive factory pricing
  • Fast delivery
  • Global export experience
  • Professional technical support
  • Reliable after-sales service
  • Long-term supply capability

Our goal is to help customers reduce equipment downtime while maintaining maximum engine performance.


Packaging & Shipping

To ensure safe transportation, every turbocharger is carefully packed using protective materials.

Packaging options include:

  • Neutral cartons
  • Customized branded boxes
  • Wooden cases for bulk orders
  • Export-standard packaging

Shipping methods:

  • DHL
  • UPS
  • FedEx
  • TNT
  • Air freight
  • Sea freight
  • Railway transportation (where applicable)

Product FAQ

Q1: Is this turbocharger an original Komatsu product?

No. This is a premium aftermarket replacement manufactured to meet OEM specifications for performance and fitment.

Q2: Which engine is this turbocharger designed for?

It is designed for the Komatsu SAA6D125E diesel engine, commonly installed in the Komatsu PC400-7 excavator.

Q3: Does the turbocharger come fully assembled?

Yes. The unit is supplied as a complete, ready-to-install turbocharger assembly.

Q4: Is dynamic balancing performed?

Yes. Every turbocharger undergoes high-speed dynamic balancing before shipment to ensure stable operation and long service life.

Q5: What warranty do you provide?

We offer a 12-month warranty against manufacturing defects under normal operating conditions.

Q6: Can you provide OEM or private label services?

Yes. We support OEM manufacturing, customized logos, branded packaging, and private label solutions for distributors and wholesalers.

Q7: Do you accept bulk orders?

Yes. We welcome wholesale inquiries and offer competitive pricing, stable supply, and fast delivery for bulk purchases.

Q8: How can I confirm compatibility?

Please verify the part number (6506-21-5010), turbo model (KTR90-232E), and your machine’s engine model before ordering. If you are unsure, contact us with your equipment serial number, and our technical team will assist you.

6506-21-5010-KTR90-232E-TURBOCHARGER 6506-21-5010-KTR90-232E-TURBOCHARGER 6506-21-5010-KTR90-232E-TURBOCHARGER 6506-21-5010-KTR90-232E-TURBOCHARGER

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Frequently Asked Questions

We provide a wide range of turbocharger spare parts to support both remanufacturing and repairs. Our product lineup includes practically everything you might need. Here are some of the key parts we offer:

  • CHRA (Core Assemblies): Complete cartridge core units for various turbo models.
  • Turbine Wheels & Shafts: Turbine wheel-and-shaft assemblies available in different sizes and materials.
  • Compressor Wheels: High-precision compressor wheels made from durable high-strength alloys (aluminum or even titanium, depending on the application).
  • Bearing & Seal Kits: Overhaul kits with journal bearings, thrust bearings, seals, and rings for rebuilding turbos.
  • Actuators & Components: Wastegate actuators (mechanical) and electronic actuators, plus related small parts.

These spare parts cover most major turbocharger brands and models for commercial diesel engines as well as passenger vehicles. If you’re looking for something specific, just let us know the turbo model or the OEM part number, and we’ll quickly check if we have it available.

Making sure you get the right part is really important. The best way is to use the original equipment manufacturer (OEM) part number or your turbo’s model number as a reference when you order. Every turbocharger usually has an ID tag or an engraved number on it — if you give us that info, we can find the exact spare part you need.

Our sales engineers are also ready to help. If you let us know your engine model, the turbo’s model (or serial number), and maybe what problem you’re trying to fix or which component you’re replacing, we can cross-check and guide you to the right part. This way you’ll have a correct match and avoid any mix-ups.

We can also provide product catalogs or technical datasheets if you want to double-check the specifications yourself before buying. Just let us know, and we’ll get those to you.

Generally, we don’t have a strict minimum order for our standard parts — you can even order just one piece if that’s all you need. We know remanufacturing shops sometimes want to test a part’s quality first, so small sample orders are totally fine with us.

If you’re looking to buy in bulk, we can certainly discuss volume discounts. The only time we might have a minimum order is if it’s a very specialized or custom-made component, due to the production requirements. In those cases, we’d let you know upfront if any minimum applies.

In most situations, whether you need a single item or a large batch, we’re happy to accommodate. We pride ourselves on being flexible and building long-term relationships with our clients.

We offer a standard 12-month warranty on all our turbocharger spare parts. The clock starts from the date we ship them out, unless we’ve made a different agreement (for example, starting from the installation date in some cases). In short, if any part fails due to a manufacturing defect within those 12 months, it’s covered under our warranty.

If you do encounter a problem that you believe is our fault within the warranty period, just let us know. We’ll typically ask for some details about what happened (maybe a report or photos) so we can understand the issue. Once we’ve confirmed it’s a warranty case, we’ll send you a replacement part or offer you a full refund/credit for that item. We stand behind our products, so if there’s a genuine quality problem, we’ll make it right as quickly as possible.

Our warranty covers failures that result from defects in our parts (materials or workmanship) under normal use. For example, if a compressor wheel had a casting flaw or a cartridge assembly wasn’t balanced properly at the factory and it causes a premature failure, that’s on us and would be covered.

However, there are some situations that are not covered by our warranty. Here are the main exclusions:

  • Improper Installation or Misuse: If the part was installed incorrectly or used incorrectly — e.g. not priming the turbo with oil before startup, wrong gaskets, misassembly.
  • External Factors (Oil Starvation or Contamination): Failures caused by inadequate or dirty oil (e.g. blocked feed lines or poor oil quality).
  • Foreign Object Damage: Debris entering the turbo (intake or exhaust) and damaging parts.
  • Operating Outside Design Limits: Engine or turbo run beyond design parameters (overspeed, excessive exhaust temperatures, etc.).
  • Normal Wear and Tear: Gradual wear of consumables (e.g. seals) under regular usage.

In essence, if a part fails because it had a defect, it’s covered. But if it fails due to misuse, external factors, or normal wear, it’s not. If you ever need to claim warranty, we’ll review what happened (often via photos or a failure report) and may examine the part. That ensures we handle claims fairly and transparently.

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