HX83 Q19 QSKTAA19 QSK38 Turbocharger 4089987 4955933 4956137 for Cummins Engine Parts

Product Details

Product Overview

This high-performance turbocharger, identified by part numbers 4089987, 4955933, and 4956137, is a direct replacement unit specifically engineered for heavy-duty Cummins diesel engines. Designed to meet OEM specifications, this turbocharger is compatible with the HX83, Q19, QSKTAA19, and QSK38 engine platforms, making it a critical component for maintaining optimal engine power and fuel efficiency.

Manufactured to OEM size standards, this unit provides a reliable boost in air intake, ensuring complete combustion and reduced emissions. It is a robust solution for industrial and commercial vehicles that demand consistent performance under high-stress conditions. The turbo is suitable for a wide range of machinery, including excavators, trucks, and loaders, offering a dependable upgrade or replacement for worn components.

Key Features & Benefits

• OEM-Specification Fitment: Engineered to exact OEM dimensions for a seamless, bolt-on replacement, eliminating the need for modifications during installation.
• Proven Durability: Constructed with high-grade materials to withstand extreme temperatures and rotational speeds, ensuring a long service life in demanding applications.
• Enhanced Engine Performance: Delivers consistent boost pressure to improve horsepower, torque, and overall engine responsiveness, reducing fuel consumption.
• Rigorous Quality Control: Each unit undergoes a comprehensive machinery test report and video outgoing inspection to certify performance before shipping.
• Broad Application Range: Ideal for excavators, bulldozers, forklifts, buses, and loaders, providing versatile support for various heavy equipment fleets.
• Precision Engineering: Balanced rotating assemblies minimize vibration and noise, protecting the turbocharger and engine bearings from premature wear.

Technical Specifications

OEM Cross-Reference

This turbocharger is designed to serve as a direct replacement for the following OEM numbers. Please verify your existing part number for exact compatibility:

• Primary Number: 4089987
• Alternate Numbers: 4955933, 4956137
• Engine Family: Cummins HX83, Q19, QSKTAA19, QSK38 Series

Compatibility

This turbocharger is commonly used for the following engine and vehicle applications. Fitment may vary based on specific chassis configurations:

• Engine Models: Cummins HX83, Q19, QSKTAA19, QSK38
• Vehicle Applications:
  • Excavators
  • Trucks & Tractors
  • Forklifts
  • Bulldozers
  • Buses
  • Wheel Loaders
  • Other Heavy Industrial Equipment

Global Supply & Distribution

We maintain a robust global supply chain to ensure fast and reliable delivery to international buyers. Our distribution network covers all major markets, including North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.

With stock held in strategic locations, we offer efficient shipping to major ports and industrial centers. Our team has extensive experience in international trade, handling all customs documentation and compliance requirements to ensure a smooth transaction. Whether you require air freight for urgent orders or sea freight for bulk purchases, we can accommodate your logistics needs.

Quality Assurance

Every turbocharger is manufactured in ISO-certified facilities, adhering to strict quality control standards. The production process includes precision balancing and pressure testing to ensure reliability under full load conditions.

We provide a 6-month warranty against manufacturing defects. After the warranty period, we continue to offer spare parts support and technical assistance. A Video Outgoing Inspection and Machinery Test Report are available upon request to verify product quality before shipment.

FAQ

Q1: How can I confirm this turbocharger fits my specific Cummins engine?

To ensure a correct fit, compare the casting numbers on your existing turbocharger with the part numbers listed (4089987, 4955933, or 4956137). Additionally, verify your engine model (HX83, Q19, QSKTAA19, or QSK38) and the mounting flange configuration. If you have any doubts, please provide your engine serial number and current turbo part number to our technical support team for cross-referencing.

Q2: What are the common signs that this turbocharger needs replacement?

Common failure indicators include a significant loss of engine power, excessive black smoke from the exhaust, unusual whining or grinding noises from the turbo area, and increased oil consumption. Visual inspection may reveal shaft play or damaged turbine blades. If you notice these symptoms, we recommend replacing the turbocharger immediately to prevent further engine damage.

Q3: What maintenance is required after installing a new turbocharger?

After installation, it is critical to prime the oil system by cranking the engine with the fuel shut off until oil pressure is established. Always replace the oil and oil filter simultaneously to prevent contaminants from damaging the new unit. Allow the engine to idle for 3-5 minutes before heavy operation to ensure proper lubrication. We also recommend a cool-down idle period of 2-3 minutes after heavy use before shutting off the engine to prevent oil coking.