GTC3782 Turbo 11R-1945 11R1945 457-3636 4573636 809698-5011 809698-0011 809698-5011S 809698-0007 809698-5007 809698-5007S Turbocharger For Excavator 336GC 329F With C7.1 Engine

GTC3782 Turbocharger for CAT Excavator 336GC / 329F (C7.1 Engine)

Meta Description

High-performance GTC3782 turbocharger for CAT 336GC & 329F excavators with C7.1 engine. Replaces OEM 11R-1945, 457-3636, 809698 series. Factory-direct, ISO 9001 & IATF 16949 certified.

Product Overview

The GTC3782 Turbocharger is a heavy-duty replacement turbo designed specifically for 336GC and 329F excavators equipped with the C7.1 engine. Manufactured to OEM specifications, this turbocharger restores engine power, improves fuel efficiency, and ensures long-term reliability under demanding construction and mining conditions.

This model directly replaces multiple OEM part numbers and is widely used by equipment owners, repair workshops, fleet operators, and parts distributors who require stable quality and consistent performance.

Compatible OEM & Part Numbers

• 11R-1945 / 11R1945
• 457-3636 / 4573636
• 809698-5011 / 809698-0011
• 809698-5011S
• 809698-0007 / 809698-5007 / 809698-5007S

Turbo Model: GTC3782

Application

• Machine Type: Hydraulic Excavator

• Excavator Models: CAT 336GC, CAT 329F

• Engine Model: C7.1

Key Benefits & What Problems It Solves

Restores Engine Power

Designed to deliver precise boost pressure, the GTC3782 turbo helps recover lost horsepower caused by worn or damaged turbochargers.

Improves Fuel Efficiency

Optimized compressor and turbine matching improves combustion efficiency, reducing fuel consumption during long working hours.

Reduces Downtime

Reliable materials and strict quality control minimize premature failures, helping contractors and fleet operators avoid costly machine downtime.

Cost-Effective OEM Alternative

Provides OEM-level performance at a more competitive price, ideal for aftermarket replacement and export markets.

Who Is This Turbocharger For?

• Excavator owners maintaining CAT 336GC or 329F machines

• Construction and mining contractors

• Heavy equipment repair workshops

• Engine rebuilders

• Aftermarket auto & machinery parts distributors

• Importers and wholesalers looking for stable long-term supply

Technical Features

• Precision-balanced rotating assembly

• High-temperature resistant turbine housing

• OEM-standard compressor wheel design

• Oil-seal system designed for heavy-duty diesel engines

• 100% leakage and boost pressure tested

Quality Assurance & Certifications

Our factory operates under a complete quality management system:

• ISO 9001 Certified

• IATF 16949 Certified

Each turbocharger undergoes:

• Dynamic balancing (VSR)

• Pressure and leakage testing

• Visual and dimensional inspection

This ensures consistent quality, low return rates, and long service life.

Usage Scenarios

• Construction sites (earthmoving, infrastructure projects)

• Mining operations

• Quarrying and material handling

• Equipment overhaul and remanufacturing projects

• Export replacement market for CAT excavators

Installation & Usage Tips

• Always replace engine oil, oil filter, and air filter before installing a new turbocharger.

• Clean oil inlet and outlet pipes thoroughly.

• Pre-lubricate the turbocharger with clean engine oil.

• Check oil pressure and air intake system for leaks.

• Allow engine to idle for several minutes after first start.

FAQ

Q1: Is this turbocharger brand new?
A: Yes, this is a brand-new aftermarket turbocharger, not remanufactured or used.

Q2: Is it a direct replacement for 11R-1945?
A: Yes, it is a direct bolt-on replacement for 11R-1945 and other listed OEM numbers.

Q3: Do you provide warranty?
A: We provide quality assurance based on correct installation and normal operating conditions. Details can be discussed based on order volume and cooperation model.

Q4: Can you supply in bulk or OEM packaging?
A: Yes, we support bulk orders, neutral packaging, and OEM/brand customization.

Q5: Do you test each turbocharger before shipping?
A: Yes, every unit is tested and inspected before delivery.

About Us

Fengcheng Zhongke Turbocharger Co., Ltd., founded in 2001, is a professional turbocharger manufacturer based in China. With nearly 30 years of experience, we specialize in the design, production, and export of turbochargers and turbo components for automotive and industrial engines.

Our Team & Manufacturing Strength

• Experienced engineering and quality control team

• Advanced CNC machining and balancing equipment

• Strict process control from raw material to finished product

• Stable production capacity for long-term supply

We serve customers across North America, Europe, South America, the Middle East, and Asia, supporting both OEM and aftermarket needs.

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