$468.00
Selected by industry leaders worldwide for proven quality.
12 months coverage to guarantee long-term performance and reliability.
Guaranteed shipping for all in-stock items within 24 hours.
Bespoke solutions tailored exactly to your project's technical specifications.
| Part Number: | 6506-21-5020;6506215020;6506-21-5021 | 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 |
The 6506215020 KTR90-332E turbocharger is engineered specifically for Komatsu heavy equipment engines operating in demanding environments such as mining sites, construction projects, marine auxiliary systems, and industrial power generation.
Komatsu machinery is known for its reliability and strength, but even the most durable diesel engines rely heavily on a properly functioning turbocharger. The turbo plays a critical role in increasing air intake pressure, improving combustion efficiency, and maximizing engine output. When a turbo begins to fail, operators may notice reduced power, increased fuel consumption, excessive exhaust smoke, and slower machine response.
The KTR90-332E turbocharger is designed as a direct replacement solution that restores OEM-level performance and ensures long-term reliability in harsh working environments.
| Specification | Details |
|---|---|
| Model | KTR90-332E |
| OEM Part Number | 6506215020 |
| Turbo Type | Heavy-duty diesel turbocharger |
| Application | Komatsu industrial / construction engines |
| Cooling System | Oil-cooled |
| Material | High-temperature resistant alloy |
| Bearing Type | High-strength journal bearing system |
| Balance Level | Dynamic high-speed balancing |
| Condition | Brand new |
| Installation Type | Direct OEM replacement |
| Fuel Type | Diesel |
| Usage | Mining, construction, industrial machinery |
The KTR90-332E turbocharger is widely used in Komatsu heavy equipment engines designed for high-load and continuous operation.
This turbo is commonly associated with Komatsu diesel engine platforms using KTR-series turbo systems. Compatibility may vary depending on engine model and production year.
Always confirm OEM number 6506215020 before ordering to ensure exact fitment.
A properly functioning KTR90-332E turbo ensures optimal air compression, restoring full engine horsepower and torque performance.
Efficient air-to-fuel combustion reduces fuel consumption, especially in long-duty cycles typical in mining and construction operations.
Improved turbo spool efficiency allows faster engine response under heavy load conditions.
Better combustion reduces black smoke and particulate emissions, helping meet environmental operation standards.
Stable boost pressure reduces engine stress and prevents premature wear of internal components.
The turbocharger depends entirely on clean, high-pressure engine oil. Poor lubrication is the most common cause of turbo failure. Always ensure:
Contaminants entering the compressor can damage blades and reduce turbo efficiency. Before installation:
Professional installation is strongly recommended. Key steps include:
After installation, allow the engine to idle for several minutes before applying load to ensure stable oil circulation and bearing protection.
Every 6506215020 KTR90-332E turbocharger undergoes strict quality control procedures:
These processes ensure each unit meets or exceeds OEM performance standards.
Operators should inspect the turbocharger if any of the following symptoms appear:
Early replacement can prevent costly engine damage.
We provide professional B2B supply solutions for global distributors, fleet operators, and equipment service companies.
We support long-term business partners with:
Designed to match original Komatsu specifications for seamless installation.
Built for continuous operation in extreme environments such as mines and construction sites.
Ideal for distributors requiring consistent inventory and predictable lead times.
Offers a reliable alternative to expensive OEM turbochargers without compromising performance.
To ensure maximum turbo lifespan:
Proper maintenance significantly extends turbo service life.
Yes, all units are brand new and fully tested before shipment.
Yes, but customers should always verify engine model compatibility before purchase.
No, compatibility depends on specific engine configurations using KTR90-332E systems.
Yes, each unit is dynamically balanced at high speed before delivery.
Common causes include:
Yes, we provide competitive B2B pricing for distributors and bulk buyers.
With proper maintenance, the turbo can last thousands of operating hours in heavy-duty conditions.
Yes, private label and customized packaging options are available for long-term partners.
The KTR90-332E turbocharger is a reliable, high-performance solution for Komatsu diesel engines operating in demanding industrial environments. Whether you are a distributor, repair workshop, or equipment operator, this turbo provides the durability, efficiency, and performance required for heavy-duty applications.
Contact us today for pricing, availability, and professional B2B cooperation opportunities.
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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:
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:
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.
We will arrange for a specialist to contact you immediately.
Download our catalog to see all products and data sheets, the catalog sheet will be sent to your email address.
