same day shipping clock icon
free shipping box icon
price tag icon

SEI Mercury Outboard 3.0L Replacement Lower Unit 1.75 20"

free shipping
SKU:
S-E-90-216-A20
Availability:
In Stock - Ships Today
List Price: $1,439.99
Starting At: $1,199.99
(You save $240.00

Earn Captains Club Points Learn More

FREQUENTLY BOUGHT TOGETHER

  • Choose Options

Description

Sterndrive Engineering Mercury Outboard 3.0L Replacement Lower Unit 1.75:1, 20" Driveshaft

Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and have your engine serial number ready when calling.

  • SE216, 1.75:1, 20" Driveshaft
  • Replaces Most Mercury 3.0L Lower Units - 13 Splines For SEI 216-218
  • Includes Sterndrive Engineering's No Fault Warranty for 3 Years

The SEI 216 gear cases are supplied with the correct water tube coupling for units with a serial number of OG438000 and higher. If your unit has a lower serial number, you will need to use your old water coupling or purchase the correct part.

 

    • 20" 45-824114A 1
    • 25" 45-823901A 1
    • 30" 45-824115A 1 (This shaft is no longer available from the OE. You will need to either source a used one or repair your old unit.)

pdficon.pngClick to Download Sterndrive Engineering SE216 Lower Unit Installation Instructions

 Item is subject to a 20% restocking fee (Boat Covers, Bimini Tops, Outdrives, Drop Ship Items and Special Order Parts)!

**Year, Serial Number, and Horsepower are required to order. Please contact us with this information after you place your order otherwise processing will be delayed.

 

California Residents: warning sign WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov

PRODUCT REVIEWS

QUESTIONS & ANSWERS

Other Details

Google Product Type:
Engines
Product MPN:
90-216-A20
Product UPC:
9021620

Customers Also Viewed

SEI Mercury 2 Stroke 2.33:1 20" Replacement Lower unit
List Price: $1,439.99
Starting At: $1,199.99

SEI Mercury 2 Stroke 2.33:1 20" Replacement Lower unit Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and have your engine serial number...

Add to Cart
SEI Mercury Outboard 3.0L Replacement Lower Unit 1.75, 25"
List Price: $1,439.99
Starting At: $1,199.99

Sterndrive Engineering Mercury Outboard 3.0L Replacement Lower Unit 1.75:1, 25" Driveshaft Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed,...

Choose Options
SEI Mercury V6 Outboard Replacement Lower Unit 1.87, 25"
List Price: $1,439.99
Starting At: $1,199.99

Sterndrive Engineering Mercury V6 Outboard Replacement Lower Unit 1.87:1, 25" Driveshaft Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed,...

Choose Options
SEI Mercury 4 Stroke 2.07:1 Replacement Lower unit
List Price: $1,439.99
Starting At: $1,199.99

SEI Mercury 4 Stroke 2.07:1 Replacement Lower unit Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and have your engine serial number ready...

Choose Options
SEI Mercury V6 Outboard Replacement Lower Unit 2:1, 20"
List Price: $1,439.99
Starting At: $1,199.99

Sterndrive Engineering Mercury V6 Outboard Replacement Lower Unit 2:1, 20" Driveshaft Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and...

Choose Options
Sterndrive Engineering Repl Lower Unit Merc Alpha One GenII
List Price: $1,409.99
Starting At: $1,174.99

Sterndrive Engineering Replacement Lower Unit Mercruiser Alpha One Gen II Lower unit replacements are an expensive headache for any boat owner.  A Sterndrive Engineering Replacement Lower Unit...

Choose Options
SEI Mercury 2 Stroke 2.07:1 Replacement Lower unit
List Price: $1,439.99
Starting At: $1,199.99

SEI 205-A20 Mercury 2 Stroke 2.07:1 Replacement Lower unit Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and have your engine serial...

Choose Options
SEI Mercury Outboard 3.0L Replacement Lower Unit 1.75, 30"
List Price: $1,439.99
Starting At: $1,199.99

Sterndrive Engineering Mercury Outboard 3.0L Replacement Lower Unit 1.75:1, 30" Driveshaft Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed,...

Choose Options