Cummins Water Pump Shaft 3643961 – Durable Power Transmission for Cooling Systems
The Cummins Water Pump Shaft 3643961 plays a key role in transferring engine power to the water pump impeller, keeping your cooling system running efficiently. This component is built for high-strength and long-lasting performance, even in demanding operating conditions. As part of the trusted line of Cummins genuine parts, it works seamlessly with a wide range of Cummins parts assemblies.
Whether you’re maintaining a cooling system or doing a full water pump rebuild, this shaft delivers the precision and reliability you expect from original Cummins engineering.
📦 Specifications
- Part Number: 3643961
- Part Name: Water Pump Shaft
- Material: Hardened steel
- Finish: Precision-machined surface
- Condition: 100% Brand New
- Category: Cooling System Components
- Origin: Manufactured to Cummins OEM standards
- Compatibility: Fits select Cummins genuine parts cooling systems
✅ Key Features
- Transfers rotational power smoothly to the water pump impeller
- Built from high-strength materials to prevent bending or wear
- Corrosion-resistant surface for long-term durability
- Designed for precise alignment and minimal vibration
- Fully compatible with other Cummins parts in OEM configurations
🔧 Technical Insights
To begin with, this water pump shaft is precision-ground to ensure smooth and balanced operation.
Additionally, its hardened surface increases wear resistance, even in high-load environments.
Because it’s made to exact OEM specifications, it fits easily without the need for modification.
As a result, it helps your Cummins genuine parts cooling system run reliably and efficiently over time.
💡 Application Scenarios
The Cummins 3643961 Water Pump Shaft is commonly used in:
- 🔹 Diesel engine cooling systems requiring shaft-driven water pumps
- 🔹 Rebuilds of Cummins water pumps where shaft integrity is critical
- 🔹 Industrial and on-highway equipment powered by Cummins engines
- 🔹 Preventive maintenance routines using only Cummins genuine parts
- 🔹 Power generation units needing consistent coolant circulation
🚚 Availability
The Cummins Water Pump Shaft 3643961 is in stock and available for fast global shipping.
To confirm the correct fit for your Cummins parts setup, please provide your engine serial number (ESN). Our support team is ready to help ensure proper compatibility.
