Help 61103 Radiator Drain Cock / Drain Petcock Brass 1/8 NPT

Description:

The Help 61103 Radiator Drain Cock is a brass screw-in petcock designed to provide a reliable method for draining engine coolant from automotive radiators during maintenance and repair. Featuring a 1/8-inch NPT threaded connection, it serves as a direct replacement for worn, corroded, or damaged original equipment drain plugs. Automotive technicians, fleet maintenance personnel, and DIY mechanics commonly use this component for cooling system service and radiator repairs.

Applications:

The Help 61103 is commonly installed in automotive and light-duty truck radiators equipped with a 1/8-inch NPT drain port. Its brass construction provides corrosion resistance and long service life, making it suitable for routine coolant changes, radiator servicing, and cooling system maintenance across a wide range of vehicle applications.

Technical Specifications:

• Manufacturer Part Number (MPN): 61103
• Brand: HELP (Dorman)
• Product Type: Radiator Drain Cock / Drain Petcock
• Thread Size: 1/8 in. NPT
• Material: Brass
• Function: Drains engine coolant from the radiator for maintenance and service
• Designed for automotive cooling systems and radiator applications
• Direct OEM-style replacement component
• Supports radiator maintenance and coolant replacement procedures
• Corrosion-resistant brass construction for extended service life
• Intended for maintenance, retrofit, and equipment repair applications

Common Replacements:

• Dorman Help 61104 Brass Radiator Drain Cock, 1/4 in. NPT
• Dorman Help 61106 Brass Radiator Drain Cock, 1/4 in. NPT
• Dorman Help 61102 Radiator Drain Petcock Assembly