| Also known as | PS153 |
| Listed in parts books | Not catalogued by year yet |
GEAR SET STD.RATIO 4 SPD
A standard-ratio four-speed gear set, listed under 57-4158A with PS153 as an earlier catalog number for the same part.
This is a complete gear set for a four-speed gearbox, standard ratio. Catalog listings show it under 57-4158A, with the older PS153 number appearing as the same part in earlier records. When a shop talks about a gear set rather than an individual pinion or mainshaft gear, they mean the full complement of gears needed to build up the cluster inside the box.
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We don't have more detail on this one beyond the description and the alternate number it carries. If you're rebuilding a gearbox and need to confirm this matches your box's ratios and shaft configuration, call the shop and we'll go over it with you before you order.
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