Description
New engine water pump designed for Ford® 6.0L Power Stroke and Navistar® VT365 diesel engine applications. Manufactured by Alliant Power and engineered for dependable cooling system performance, durability, and OE-style fitment.
ALLIANT POWER AP63503 NEW ENGINE WATER PUMP
The Alliant Power AP63503 water pump is engineered to provide dependable cooling system performance for demanding diesel engine applications. Designed to meet or exceed original equipment standards, this unit delivers reliable coolant circulation, durable construction, and long service life for both work and fleet vehicles.
Built using high-quality materials and precision manufacturing processes, the AP63503 helps maintain proper engine operating temperatures while supporting long-term engine reliability and efficiency.
Features & Benefits
- Precision-engineered fit, form, and function
- Designed to meet or exceed original equipment standards
- Durable construction for long service life
- Helps maintain optimal engine cooling performance
- Supports engine efficiency and reliability
- Rigorously tested for dependable operation
- Built for demanding diesel environments
- Helps reduce long-term maintenance costs
Specifications
- Brand: Alliant Power
- Part Number: AP63503
- Condition: New
- Product Type: Engine Water Pump
- Gross Weight: 9.178 LB
- Country of Origin: USA
- UPC: 843497103096
- Manufacturing Label: New
- Reference Number: APP1564
Compatible Applications
Compatible with select:
- Ford® 6.0L Power Stroke diesel applications
- Navistar® VT365 diesel applications
⚠ Please verify fitment by part number before purchase.
Cross Reference Numbers
For reference and compatibility purposes only:
- 4C3Z8501
- 4C3Z8501AC
- 4C3Z-8501-AC
- 4C3Z8501C
- 4C3Z-8501-C
- 5010118
- 5010118R91
- 63503
- AP63503
- DA2251590
- PW491
- PW-491
- PW662
- PW-662
Warranty
Covered by Alliant Power warranty support.
Warranty Coverage:
- 24 Months / 100,000 Miles
Warranty details available at: Alliant Power Warranty Information
California Diesel Note
California Diesel supplies diesel fuel system and engine-related components for light-duty, medium-duty, and heavy-duty applications. We focus on practical solutions, dependable support, and inventory availability for repair shops, fleets, and diesel professionals.
Legal Compliance
⚠ Legal Compliance: This product is not endorsed by or affiliated with Ford®, Navistar®, or any other brand mentioned. Trademarks are used only for compatibility and identification purposes.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.





