Northern Radiator Cap 13 PSI w/ Adjustable Sacrificial Magnesium Anode

Keep your cooling system protected with the Northern radiator cap featuring an adjustable magnesium sacrificial anode (Z17704).  A universal solution, this cap defends your radiator and related components from internal corrosion with a magnesium anode that attracts harmful electrolytes before they cause damage. Adjustable from 3-1/2" to 6" in depth, it ensures compatibility with a wide variety of applications. This 13 PSI radiator cap includes both upper and lower seals for a secure, leak-free fit. It features a 1-1/2" lower seal diameter, 2-1/4" upper I.D., and a 3/4" internal height with the spring extended. 

Features and Benefits:
- Universal design fits a wide range of applications
- Adjustable depth from 3-1/2" to 6"
- Sacrificial magnesium anode prevents corrosion
- 13 PSI pressure rating
- Includes upper and lower seals for secure fitment
- Internal height with spring extended: 3/4"
- Lower seal diameter: 1-1/2"
- Upper inside diameter: 2-1/4"
- Extends cooling system and radiator lifespan

Additional Notes:
- Matching esisting PSI is crititcal in selecting a radiator cap
- Measurements are for reference only and may vary slighting with application