Experience improved hydraulic and filtration performance with the Donaldson P166664 Head Assembly. Designed for maximum durability and efficiency, this brand-new, genuine assembly is essential for keeping your Duramax engine at its peak. Crafted to meet industry standards, it ensures reliable operation for heavy-duty trucks and off-road vehicles.

Key Specifications

• Assembly Series: Standard options such as HMK04 or HMK05*
• Inlet/Outlet Diameters: Designed to meet current hydraulic specifications
• Thread Sizes: Available in configurations like 1 3/8-12 UN and 1 3/4-12 UN
• Dimensions & Weight: Engineered for balanced performance and easy installation
• Bypass Valve: Features preset calibration for consistent flow regulation
• Condition: Brand New and Genuine, guaranteeing outstanding quality

This head assembly is perfect for professionals and auto enthusiasts who demand both reliability and performance. The Donaldson P166664 Head Assembly not only supports optimal engine function but also reduces maintenance downtime, making it a smart investment for any truck or 4WD upgrade.

• Ships within 1 Business Day
• No Minimum Order Requirements
• Guaranteed Genuine Quality
• Exceptional Quality Control and Packaging Conditions

For more Donaldson parts and accessories, visit our Donaldson Collection.