
Product Overview
This is a high-performance turbocharger assembly designed for Caterpillar C9 diesel engines, specifically used in the E336D excavator model. As a leading global supplier of heavy machinery engine parts, we provide reliable components for major industrial markets worldwide, including North America, Europe, the Middle East, and Asia-Pacific. This genuine-quality replacement part ensures your equipment maintains optimal power output and fuel efficiency.
Key Features & Benefits
- Precision Engineering: Manufactured to exact OEM specifications for a perfect fit and seamless integration with the C9 engine system.
- Enhanced Durability: Constructed from high-grade materials to withstand extreme temperatures and pressures, ensuring a long service life under demanding operating conditions.
- Restored Engine Performance: Directly improves turbo boost pressure, restoring engine power, torque, and overall operational efficiency.
- Reduced Downtime: A reliable replacement part that minimizes machine downtime, keeping your excavation projects on schedule.
- Optimal Fuel Economy: Helps maintain the engine’s designed air-fuel ratio, contributing to lower fuel consumption and reduced operating costs.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Turbocharger / Turbine Assembly |
| Primary Part Number | 250-7701 |
| Alternative Part Number | 178485 |
| Compatible Engine Model | Caterpillar C9 ACERT Diesel Engine |
| Application | Caterpillar E336D Excavator |
| Core Material | High-Grade Alloy Steel & Cast Iron Housing |
| Condition | New, Aftermarket (OEM-Quality) |
OEM Cross-Reference
This turbocharger is a direct replacement for the following OEM part numbers:
- Caterpillar: 250-7701, 178485, 2507701
Please verify your old part number before ordering to ensure compatibility.
Compatibility
This turbocharger is specifically engineered for:
- Engine Model: Caterpillar C9 (ACERT Technology)
- Primary Machine Application: Caterpillar E336D Hydraulic Excavator
- Typical Model Years: Compatible with E336D excavators from their initial production release.
Note: Always cross-check your engine serial number (ESN) and machine model for final confirmation, as specifications can vary.
Global Supply & Distribution
We are a certified international supplier with extensive experience in the B2B automotive and heavy machinery sector. Our logistics network ensures efficient worldwide shipping to all major markets.
- Worldwide Shipping: We export to North America (USA, Canada, Mexico), Europe (UK, Germany, France, Poland), Asia-Pacific (Australia, Japan, Singapore), the Middle East (UAE, Saudi Arabia), and South America.
- Fast Delivery: Expedited shipping options are available to major industrial ports and logistics hubs, including Rotterdam, Los Angeles, Singapore, and Jebel Ali.
- Trade Compliance: All shipments are handled with complete commercial invoices, packing lists, and compliance with international export regulations (HS Code 8414.80).
Quality Assurance
We stand behind the quality and performance of our components.
- Manufacturing Standards: Parts are produced in ISO-certified facilities using precision CNC machinery and rigorous quality control protocols.
- Testing: Each turbocharger core undergoes rotational balance testing and pressure checks to ensure it meets or exceeds performance benchmarks.
- Warranty: This part is backed by a standard 12-month warranty against manufacturing defects, providing peace of mind for your investment.
FAQ
Q1: Is this a direct bolt-on replacement for my Caterpillar E336D excavator?
A1: Yes, this turbocharger is designed as a direct OEM replacement. It matches the original specifications for mounting points, oil/coolant lines, and exhaust/intake connections, ensuring a straightforward installation process for qualified technicians.
Q2: What are the signs that my C9 engine needs a turbocharger replacement?
A2: Common symptoms include a significant loss of engine power (lack of boost), excessive black or blue smoke from the exhaust, unusual whining or siren-like noises from the turbo assembly, and increased oil consumption. A diagnostic check for boost pressure is recommended.
Q3: Do you provide support for international customers regarding import duties and taxes?
A3: While we handle all export documentation and ensure the correct HS code is used, import duties, taxes, and customs clearance are the responsibility of the buyer according to the destination country’s regulations. We recommend consulting with a local customs broker for specific charges. We ship under DAP (Delivered at Place) Incoterms 2020.
Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.
2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.
3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.
4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.
5. Scientific ERP system, easy and fast to locate the parts that customer needs.
6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.
Exhibition

Packing&Shipping

1. Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).
2. Once we get confirmation of payment, we will ship products in 2 days.
3. Our packaging is standard export wooden box or others as your requirement.
4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ
Q1. What is your company major products?
A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.
Q2.What is the MOQ?
A: Normally we can supply any quantity if we have in stock.
Q3. What is your payment term ?
A: We accept Western Union, T/T, Paypal.
Q4. What is the packing ?
A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.
Q5. When can you deliver products after payment ?
A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .
Q6. What can you do to complete order perfectly ?
A: In the beginning , We will communicate with clients in details to understand what they need .
Before packing , We will check the products and send photos to clients .After confirmation ,
We will packing products well to avoid damage . Once we get tracking number ,
We will send it to customer and keep contact in with clients .