Product Details

110-2543 Pump Coupling for CAT 320B 320C Excavator Hydraulic System Replacement

Reliable Hydraulic Drive Connection | Part Number: 110-2543 / 1102543 | OEM Quality Standard

Genuine Performance Replacement for 110-2543 Pump Coupling

Searching for a durable solution to restore your excavator's hydraulic efficiency? The 110-2543 (also identified as 1102543) pump coupling is a critical component designed to synchronize the engine output with the hydraulic main pump. Engineered for heavy-duty applications in CAT 320B, 320C, and 322B models, this flexible coupling absorbs vibration and protects your internal pump gears from premature wear.

Whether you are performing a routine engine rebuild or an emergency overhaul, using an OEM-standard replacement ensures that your machinery maintains maximum uptime without the risk of drive train misalignment.

Product Specifications & Compatibility

Detail Field	Specifications
Model NO.	CAT 320B, 320B L, 320C, 320C L, 322B, 322C, 325B
Part Number	110-2543 / 1102543
Product Name	Pump Coupling / Flywheel Coupling
Condition	Brand New, OEM Standard Replacement
Type	Flexible Hydraulic Drive Coupling
Application	Engine maintenance, hydraulic pump repair, machinery overhaul
MOQ	1 Piece
Stock Status	In Stock / Fast Dispatch Globally
Payment Terms	T/T, Western Union, MoneyGram
Delivery Methods	Express (DHL, Fedex, EMS, UPS), Air, or Sea Freight
Packaging	Industrial Export Standard Packing

Procurement Analysis: Why Professionals Choose Our 110-2543 Solution

When sourcing CAT 110-2543 replacements, the focus is on reliability and fitment. Below is a comparative look at why our supplied components stand out in the global maintenance market.

Sourcing Factors	Standard Aftermarket	Our OEM Standard Replacement (110-2543)
1. Material Density	Variable quality rubber	High-strength thermal resistant elastomer
2. Vibration Dampening	Basic	Advanced shock absorption for pump protection
3. Service Life	Short (3-6 months)	Extended durability for 24/7 operations
4. Fitment Precision	Occasional adjustment needed	1:1 Dimensional match to 1102543 specs
5. Availability	Lead times vary	Immediate stock for urgent excavator repair
6. Technical Support	None	Professional fitment & maintenance advice

Troubleshooting & Expert Maintenance Support

Not sure how this issue affects your equipment?

Our team helps operators:
✔ Identify potential risks during maintenance to prevent catastrophic pump failure.
✔ Recommend suitable replacement parts if needed based on serial number verification.
✔ Support both inspection advice and parts supply for global fleets.

WhatsApp: +8613532379052 Email: [email protected]Follow Our Facebook for Updates

Common Questions about 110-2543 Pump Coupling Repairs

1. What are the symptoms of a failing 110-2543 coupling in a CAT 320B?

Common signs include unusual noise from the pump area, increased vibration, and a sudden loss of hydraulic power. If the 1102543 coupling shears, the pump will stop rotating even if the engine is running.

2. Can I use the 1102543 on a 320C model?

Yes, the 110-2543 part number is widely used across the 320B and 320C excavator platforms. It is designed to bridge the engine flywheel to the main pump assembly.

3. Why Choose This Pump Coupling?

Our 110-2543 features an OEM-standard tri-metal structure and high-grade polymers. It is trusted by repair shops and equipment fleets for its ability to withstand high torque and extreme temperature fluctuations.

Send Your Part Number for a Rapid Quote

Fill out the form below to check availability for 110-2543 or other engine and hydraulic components.

Our company specializes in premium engine assemblies and spare parts for world-leading brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. We provide comprehensive solutions for heavy machinery maintenance, focusing on cylinder liners, pistons, piston rings, crankshaft bearings, connecting rod bearings, thrust plates, and full overhaul kits. Our inventory includes high-precision diesel pumps, fuel injectors, crankshafts, turbochargers, water pumps, and oil pumps. We also supply robust cylinder blocks, cylinder heads, and connecting rods.

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