1 YEAR WARRANTY! 1971-1979 Mercury 20" Lower Unit C# 1643-6037 40 50 60 70 HP

 
$650.00
International Shipping Quote
Details
  • Brand: Mercury
  • Size: 40 50 60 70 HP
  • Color: Black
  • Style: 2, 3 & 4 Cylinder - Long
  • Condition: Seller Refurbished
  • Notes: Tested, Cleaned & Inspected!
  • SKU: 31426 LRU
  • Manufacturer Part Number: N/A
  • Country of Manufacture: United States
  • Motor & Engine Type: Mercury
  • Part Type: Motors, Engines & Components
  • Other Part Number: N/A
  • Surface Finish: Painted, Black
  • Warranty: 30 days
  • Inventory Number: 31426 LRU
  • Website Category: Lower Units
  • Website Sub Category: Complete Lower Units
  • UPC: N/A
Item Description Mercury Lower Unit 
Part Number N/A
Condition Freshwater- Excellent Condition! 
Additional Info

This specific lower unit is in excellent condition. We have professionally cleaned and inspected this unit to guarantee it to be in good, working condition. There is some wear in the paint, primarily in the skeg. Please see pictures. Please note that this does not come with the trim tab. The intake screens are in perfect shape and are not broken or cracked. From the top of the water pump to the end of the preload pin, the driveshaft measures approximately 21-1/8" long and has 11 splines. The propeller shaft has 13 splines. All the splines are in great condition and are not twisted or chipped in any way. Given our unprecedented 1 year warranty on every lower unit, you will never find a better deal on an OEM lower unit. Please remember to add oil before use. Purchase with confidence!   

General Information

  • Freshwater condition
  • Opened & Inspected
  • Professionally Cleaned
  • New Impeller
  • Pressure checked to 12 PSI minimum
  • Fully Resealed
  • Shafts checked for straightness
  • 1 year mechanical warranty

To obtain the 1 year warranty, you MUST send in your core lower unit. We will even pay to have your core shipped to us! Below is the criteria required to validate the warranty:

  • Core must be of rebuildable quality
  • 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
  • Core must be complete and cannot be missing any parts 

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 at 618-487-9499 and we would be happy to help! 

Fits:
1971-1979 - 40 50 60 70 HP - 2, 3 & 4 Cylinder

Excludes 50 & 65 HP, 4 cylinder engines. 

This unit interchangeable with 1980-1986 and 1987-1997 models but different housing on this one (rounded cavitation plate on this one). This will not fit the 65hp 3 cylinder engine w/ square shift rod).

1 YEAR WARRANTY! 1971-1979 Mercury 20" Lower Unit C# 1643-6037 40 50 60 70 HP
1 YEAR WARRANTY! 1971-1979 Mercury 20" Lower Unit C# 1643-6037 40 50 60 70 HP1 YEAR WARRANTY! 1971-1979 Mercury 20" Lower Unit C# 1643-6037 40 50 60 70 HP1 YEAR WARRANTY! 1971-1979 Mercury 20" Lower Unit C# 1643-6037 40 50 60 70 HP1 YEAR WARRANTY! 1971-1979 Mercury 20" Lower Unit C# 1643-6037 40 50 60 70 HP1 YEAR WARRANTY! 1971-1979 Mercury 20" Lower Unit C# 1643-6037 40 50 60 70 HP1 YEAR WARRANTY! 1971-1979 Mercury 20" Lower Unit C# 1643-6037 40 50 60 70 HP