- Brand: Mercury
- Size: 75 90 115 HP
- Color: Black
- Style: OPTIMAX - 1.5L -DFI - 3 Cylinder
- Condition: Used
- Notes: Freshwater - Excellent Condition!
- SKU: 31901 LRU
- Manufacturer Part Number: 9011J39
- Country of Manufacture: United States
- Motor & Engine Type: Mercury
- Part Type: Lower Unit
- Other Part Number: N/A
- Placement on Vehicle: Foot
- Surface Finish: Black, Painted
- Warranty: 30 days
- Inventory Number: 31901 LRU
- Website Category: Lower Units
- Website Sub Category: Complete Lower Units
- UPC: N/A
Mercury Optimax 25" Lower Unit DFI 2.33:1
Mercury Optimax 25" DFI 2.33:1 lower unit for 2004–2014 outboards, 75 90 115 HP. Inspected, serviced, and tested for proper function. Gears are replaced only if bad — good OEM gears are retained. Please note: There are some light scuffs and scratches in the paint, but this will not affect anything. This does come with the trim tab. The anode does has some pitting, but this will not affect the overall performamce.
SPECS
| Driveshaft length: 25-1/2″ | Driveshaft splines: 13 |
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 ❖ Professionally cleaned ❖ Opened and inspected |
FITMENT
Mercury Optimax 25"
| Years | 2004–2014 |
| Shaft | 25" |
| Horsepower | 75 90 115 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
