- Brand: Mercury
- Size: 135 150 HP
- Style: 2:1 Ratio - 8/15 splines - V6 - 25" Driveshaft
- Condition: Re-manufactured
- Notes: Fully Resealed & Pressure Checked With New Impeller!
- SKU: 56006 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: Black Paint
- Inventory Number: 56006 LRU
- Website Category: Lower Units
- Website Sub Category: Complete Lower Units
- UPC: N/A
- Shipping: $200.00
Mercury 25" XL Lower Unit 2.0L V6 2:1 Ratio
Mercury 25" XL 2.0L V6 2:1 Ratio lower unit for 1976–2015 outboards, 135 150 HP. Inspected, serviced, and tested for proper function. Gears are replaced only if bad — good OEM gears are retained.
SPECS
| Gear ratio: 2:1 | Driveshaft length: 26-5/8″ |
| Driveshaft splines: 8 | Prop shaft splines: 15 |
Driveshaft length measured from the top of the water pump.
WHAT WE DID
| ❖ Opened and inspected under magnification ❖ Fully resealed | ❖ Pressure checked to 12 PSI ❖ New water pump impeller installed |
FITMENT
Mercury 25" XL
| Years | 1976–2015 |
| Shaft | 25" (long) |
| Horsepower | 135 150 HP |
Verify by model and serial number before purchase to confirm this is the correct unit for your application.
Backed by Southcentral Outboards. Failures during normal use within the warranty period will be repaired or replaced.
DISCLAIMER
Listing info accurate to the best of our knowledge but not guaranteed. Fitment is the buyer’s responsibility — verify by model and serial before purchase.
SOUTHCENTRAL OUTBOARDS · ALTAMONT, IL

