Mercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTY

 
$450.00
International Shipping Quote
  • Brand: Mercury
  • Size: 35 40 45 50 60 70 HP
  • Color: Black
  • Style: 2 , 3, & 4 Cylinder - 20" - 2-Stroke
  • Condition: Seller Refurbished
  • Notes: Freshwater
  • SKU: 52638 LRU
  • Manufacturer Part Number: 1643-9539A5 7406A35 6459A11 7406A15
  • Country of Manufacture: United States
  • Motor & Engine Type: Mercury
  • Part Type: Motors, Engines & Components
  • Other Part Number: N/A
  • Surface Finish: Painted, Black
  • Inventory Number: 52638 LRU
  • Website Category: Lower Units
  • Website Sub Category: Complete Lower Units
  • UPC: N/A
  • Shipping: $50.00
KEY POINTS:
  • 1 YEAR WARRANTY
  • Shifts and Spins Smoothly
  • New Impeller Installed
Additional Info
  • Scuffs and scratches in the paint, entirely cosmetic
  • Small knick in top of housing - will not affect performance - please see photos
  • Shifts and spins without binding
  • Oil was dirty but no signs of heavy metal or water
  • Driveshaft splines show moderate wear, but is still in useable condition
  • Freshwater condition
  • New Impeller
  • Fully Resealed & Pressure checked to 12 PSI
  • Shafts checked for straightness
  • This does not come with a trim tab, propeller or propeller hardware. 
  • 1 year mechanical warranty

All lower units are shipped empty.

Driveshaft measures - 21-1/8" from the top of the water pump to the end of the pin
Driveshaft spline count - 11
Prop shaft spline count - 13
Shift rod spline count: 6

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 1 year warranty. One copy MUST be signed and returned with your core. Without a returned signed copy, the 1 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 offer a 45 day return policy so you can purchase this 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

Fits:

35 HP 1984-1989
40 (2 Cylinder) HP 1980-1983
45 (4 Cylinder) HP 1984-1989
50/60/70 HP 1980-1990
40 (4 Cylinder) HP 1989-1997

Please note that this lower unit will NOT fit the following below.
30/40 (2 Cylinder) 1991 & UP

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!

Mercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTY
Mercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTYMercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTYMercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTYMercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTYMercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTYMercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTYMercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTYMercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTYMercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTYMercury 1980-1997 20" Long Lower Unit 35 40 45 50 60 70 HP 1 YR WTY