This listing is for a New Aftermarket Mercury 3.0L Lower Unit. These models use a metal water pump and have dual-water pick ups.
This unit has models for both 8- and 13-spline driveshafts When replacing a unit with an 8-spline Driveshaft, a two-piece driveshaft must be used. The upper driveshaft/coupler are not included and must be purchased from an OE Dealer, with the following Part Numbers:
- 20" Model: 45-824114A 1
- 25" Model: 45-823901A 1
- 30" Model: 45-824115A 1
These units are not designed to replace Sport Master, Torque Master, CLE, or other high performance gearcases.
This unit comes with a three-year fault-free warranty. For further details, please see the complete warranty at https://obparts.com/sei-marine-parts-warranty-policy/.
When placing an order, please verify the following:
- Gear Ratio: Available in 1:62:1 or 1:75:1
- Shaft Length: Available in L (20"), XL (25"), or XXL (30")
If you have any questions about whether this lower unit will work for your motor or gear ratio, please send us an email with your engine model and serial number to firstname.lastname@example.org.
All units are drop-shipped out of Florida with a flat shipping fee for orders placed in the Lower 48 of $15.00. Florida and Kentucky residents will be charged an additional 6% sales tax.