This product has received the 'Crappy Product' certificate.
Items that receive the 'Crappy Product' certificate are products that we carry for comparison purposes as they are often the version offered by other vendors or because it is the only version available. We would not be willing to use these parts on our own cars, and we do not recommend purchasing these parts.
WE ARE NOT ABLE TO ACCEPT RETURNS FOR THESE PARTS.
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
Good used axle vent nipple or tube. This vent tube screws into the top of the rear axle and is a breather / vent to equalize the pressure inside the axle tube. Fits both 8 inch and 9 inch rear axles. Fits Mercury Cougar and Ford Mustang 1967-73.
A (5/16" inside diameter) rubber hose about 18-1/4 inches long attaches to the nipple. Has a very tiny diameter hole inside, about 0.062". Needs to be kept clear to work properly. Also see the reproduction version from AMK. Concours hose kit with hardware also available.
Ford number is C5ZZ-4022-B, but AMK and others list the fictional part number of C8ZW-4338-A. Ford chassis assembly manuals, indicate that this is part number 4022.