Northern 7Lb PSI Radiator Cap W/ Adjustable Magnesium Sacrificial Anode
Highlights
- 7lb Pressure Cap
- Prevents Rust and Corrosion
- Adjustable
- Includes Magnesium Anode
Northern 7Lb PSI Radiator Cap with Adjustable Magnesium Sacrificial Anode.
This radiator cap (Z17705) protects and extends the service life of your vehicle’s cooling system. It ensures the longevity of your radiator by actively fighting corrosion and rust. The integrated sacrificial magnesium anode attracts harmful electrolytes, preventing internal damage and guaranteeing your system stays clean and efficient. Designed with an adjustable depth from 3.5" to 6", it accommodates a wide range of cooling systems for a secure, reliable fit.
Features and Benefits:
- Adjustable 3.5" to 6" depth fitment
- Built-in sacrificial magnesium anode
- 7lb PSI pressure cap
- Internal height with spring extended: .75"
- Lower seal diameter: 1.5"
- Upper I.D.: 2.25"
- Dual sealing surfaces for reliability
- Helps prevent internal corrosion
- Extends radiator and component life
Please Note: Measurements are for reference only and may vary slightly with application. Matching existing psi is critical in selecting your radiator cap.
California Residents: Proposition 65 Warning
Related Categories: Mustang Air Conditioning & Heating, Ford Focus ST Parts, Ford F-150 Parts, Bronco Heating & Cooling, Ford Focus RS Parts
Vehicle Fitment
This product will fit the following Bronco years:
This product will fit the following C/K years:
- 1988,
- 1989,
- 1990,
- 1991,
- 1992,
- 1993,
- 1994,
- 1995,
- 1996,
- 1997,
- 1998,
This product will fit the following C10 years:
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
- 1980,
- 1981,
- 1982,
- 1983,
- 1984,
- 1985,
- 1986,
- 1987,
This product will fit the following F-100 years:
- 1948,
- 1949,
- 1950,
- 1951,
- 1952,
- 1953,
- 1954,
- 1955,
- 1956,
- 1957,
- 1958,
- 1959,
- 1960,
- 1961,
- 1962,
- 1963,
- 1964,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
This product will fit the following F-150 years:
This product will fit the following Focus years:
This product will fit the following Mustang years:
- 1964.5,
- 1965,
- 1966,
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,
- 1974,
- 1975,
- 1976,
- 1977,
- 1978,
- 1979,
- 1980,
- 1981,
- 1982,
- 1983,
- 1984,
- 1985,
- 1986,
- 1987,
- 1988,
- 1989,
- 1990,
- 1991,
- 1992,
- 1993,
- 1994,
- 1995,
- 1996,
- 1997,
- 1998,
- 1999,
- 2000,
- 2001,
- 2002,
- 2003,
- 2004,
- 2005,
- 2006,
- 2007,
- 2008,
- 2009,
- 2010,
- 2011,
- 2012,
- 2013,
- 2014,
- 2015,
- 2016,
- 2017,
- 2018,
- 2019,
- 2020,
- 2021,
- 2022,
- 2023,
- 2024,
- 2025,
- 2026,












