Product Condition Grades
Below is a general description of what the criteria is for our product condition grades. These are generalizations that are intended to give you an idea of the condition of the product at a quick glance. Because different parts degrade at different rates, there are variances in what the letters represent, please see the products description for details about the condition of any particular product.
A = Excellent / Above Average
B = Average / Some flaws / Good to Excellent Driver Quality
C = Obvious flaws / Poor to Average Driver Quality
D, E, F = Worse, Worser, Worsest
Brass sensor that screws into intake manifold and activates temperature gauge in dash.
Replaces Ford Part #: C6DZ-10884-B (SW-552) or C9WY-10884-A (SW-888)*.
Temp Sender Switch Temp Rating : 15.2-19 Ohms Resistance At 220 Deg F
Temperature Switch Thread Size : 3/8" x 18 NPT
* - The 1969 351 Windsor temperature sending unit has been discontinued. Most manufacturers list the 1968 302 temperature sending unit as the closest replacement.
Check out the video below on our new gauge tester: