Mercury 1971-1979 Inline 4 Lower Unit 20" 65 80 85 HP 2.33:1 2 Stroke 1 YR WTY

• Opened & Professionally Inspected
• Fully resealed with a new impeller
• 1 Year Mechanical Warranty in exchange for your spinning core!
• New Skeggard

• Opened & Inspected
• Professionally Cleaned
• Fully Resealed
• New Impeller
• Pressure checked to 12 PSI minimum
• Shafts checked for straightness
• Does not come with trim tab, propeller or hardware
• New Skeggard 
• No metal in the oil 
• Scuffs and scratches in paint, entirely cosmetic

Driveshaft length: 20-1/4 from the top of the water pump to the top of the driveshaft
Driveshaft: 8 Splines
Propeller shaft: 15 Splines

• Will need to add oil before use

**Due to shipping restrictions, lower unit are shipped empty. Every lower unit requires new oil to be installed when you receive it.

Criteria to validate your 1 year warranty:

• Core must be of equal or greater value
• Cannot be locked up - driveshaft must spin
• Up to 30 days from the date of purchase to send in your core
• Covers mechanical aspects ONLY
• Warranty begins from date of purchase

You will receive two copies of the terms and conditions for the lower unit one year warranty. One copy MUST be signed and returned with your core. Without a returned signed copy, the one year warranty will not be valid. 

Upon receipt of your core, we will inspect the unit to determine if it meets the criteria to validate the 1 year warranty. We reserve the right to accept or reject any core at our discretion. If you have any questions or concerns, please do not hesitate to contact us and we would be happy to help!

We also offer a 45 day return policy on this product so you can purchase it with confidence. If you have any issues with the product, please reach out to us and we would be happy to help resolve any issue that may occur. 

Please be absolutely sure this is the correct one for your motor prior to purchasing. If you purchase this item incorrectly or change your mind and no longer want the item, we will accept a return within 45 days however, we will charge our initial shipping cost and a 20% restocking fee. If you have any questions, please contact us. 

Location: Southcentral Outboards, Altamont, Illinois

We have provided this cross-reference with the resources we have available in regards to fitment. This most likely will not fit every model for the years and horsepowers we have listed. We urge you to make sure this is the exact item you need by matching the part number to what is required for your motor. If you need help doing so, please contact us prior to purchasing and we would be happy to help!