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
Top Loader transmission input shaft seal, small shaft, 289, 302, 351, and 390 only. Quality Timken part. Fits all 3 and 4 speed Top Loader Ford transmissions 1967-73 Mercury Cougar and 1965-73 Ford Mustang. Follow manufacturers instructions for installation or go to YouTube University.
*Note - excludes big shaft 428CJ, 429CJ, and Boss 429 transmissions.