New and unpainted ZF 63A marine transmission. Gear ratio is 1.56:1. Down-angle is 8 degree. In stock and ready to ship. Owner's manual included. For standard-rotation engines only (same as automotive rotation). Can be shifted either direction for forward (A or B, fully-reversing). Output coupler overall diameter is 5-7/32", bolt center-to-center diameter is 4-1/4". 4 evenly-spaced bolt holes. Does not come with any accessories. View my coolers, adapters, or damper plates if you need any accessories, or send a message for additional help.

If you are not sure if this is the correct transmission, or you want to learn more about ZF transmission types, hp ratings, and ratios, you can view the comprehensive ZF transmission selection guide here (PDF).

This transmission is sold by an official ZF dealer with full warranty support.

Important Guidelines
To improve transmission longevity and to preserve the factory warranty, please follow these guidelines when purchasing, installing, and running a new transmission:

• If your old oil cooler is worn, corroded, over 5 years old, or you had water mixed in with oil previously, please replace it or have it professionally-flushed and inspected.
• If your damper plate is old or worn, has any visible cracks or damage, or has loose springs (for spring type dampers), please replace it. If you're changing from a Volvo MS-series transmission to a ZF, you'll also need to switch from the original spring type to a Centa bushing type damper.
• Change your transmission fluid regularly following your factory owner's manual guidelines. Never go more than a year between oil changes.
• On transmissions with an oil filter, replace it as needed following your factory owner's manual guidelines.

This item has a 2 Year Pleasure, 1 Year Commercial warranty covering any manufacturer defects. Defective items are generally replaced within a few business days, plus time in transit, and there will never be any extra cost to you.

Lost Items, Damage, or Other Problems
If your item has a problem, such as being delayed, lost, or damaged by the shipping company, or if there are missing components, please send an eBay Message or Email right away describing the nature of the problem and its urgency (include pictures if possible). Everything will be done to assist you in a timely manner and there will never be any additional cost to you.

Regular Returns
You may return an item if you no longer need it or don't want it anymore. Returns are accepted on items still in the same condition they arrived in. There may be a 10% restocking fee and all shipping costs must be covered by the buyer. To initiate a return, log in to eBay, go to your "Purchase History", and use the "Return" link next to the transaction.

Q: Who manufactures this item?
This item is manufactured by ZF.

Q. What are the shipping dimensions and weight?
This item ships in a box approximately 21" x 21" x 21" and weighs approximately 117 lbs.