- Brand: Mercury
- Size: 200 225 250 HP
- Color: Black
- Style: COUNTER Rotation - V6 3.0L DFI
- Condition: Seller Refurbished
- Notes: New Impeller!
- SKU: 52502 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
- Inventory Number: 52502 LRU
- Website Category: Lower Units
- Website Sub Category: Complete Lower Units
- UPC: N/A
- Shipping: $75.00
Mercury 25" Optimax Lower Unit 3.0L DFI COUNTER
Mercury 25" Optimax 3.0L DFI COUNTER lower unit for 1999–2006 outboards, 200 225 250 HP. Inspected, serviced, and tested for proper function. Gears are replaced only if bad — good OEM gears are retained.
SPECS
| Driveshaft length: 26-3/4″ | |
| Driveshaft splines: 13 | Prop shaft splines: 15 |
Driveshaft length measured from the top of the water pump.
WHAT WE DID
| ❖ Fully resealed ❖ Pressure checked to 12 PSI ❖ New water pump impeller installed | ❖ Driveshaft and prop shaft checked straight ❖ Shifts smoothly through gears ❖ Professionally cleaned |
FITMENT
Mercury 25" Optimax
| Years | 1999–2006 |
| Shaft | 25" |
| Horsepower | 200 225 250 HP |
Verify by model and serial number before purchase to confirm this is the correct unit for your application.
Backed by Southcentral Outboards. Warranty validated by core return — we provide the shipping label. 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

