Remanufactured V8 1.75 gear ratio (Sea Pro) - Silver lower unit
Remanufactured V8 1.75 gear ratio (Sea Pro) - Silver lower unit
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V8 250HP / 300HP Lower Unit – Remanufactured | Core Included Pricing
Upgrade or replace your damaged gearcase with a professionally rebuilt V8 lower unit designed for reliability, performance, and direct bolt-on installation. This remanufactured lower unit is built to meet OEM specifications and is ideal for restoring peak performance to your outboard without the cost of buying new.
✅ Product Features
- Fits V8 250HP and 300HP outboard engines
- Precision-built, Painted silver
- 1.75:1 (Sea Pro) gear ratio for optimal performance and efficiency
- Available shaft lengths:
- 20" (Long Shaft)
- 25" (X-Long Shaft)
- 30" (XX-Long Shaft)
- Available in standard rotation or counter rotation
- Fully inspected and professionally remanufactured
- Ready for installation
| Part Number | Description | Rotation | Shaft Length | Model Type | Gear Ratio | Finish |
|---|---|---|---|---|---|---|
| 8M0142329 | Gear Housing Assembly | Standard | 20" (Long) | SeaPro V8 | 1.75:1 | Silver |
| 8M0142331 | Gear Housing Assembly | Standard | 25" (X-Long) | SeaPro V8 | 1.75:1 | Silver |
| 8M0142333 | Gear Housing Assembly | Standard | 30" (XX-Long) | SeaPro V8 | 1.75:1 | Silver |
| 8M0142330 | Gear Housing Assembly | Counter Rotation | 20" (Long) | SeaPro V8 | 1.75:1 | Silver |
| 8M0142332 | Gear Housing Assembly | Counter Rotation | 25" (X-Long) | SeaPro V8 | 1.75:1 | Silver |
| 8M0142334 | Gear Housing Assembly | Counter Rotation | 30" (XX-Long) | SeaPro V8 | 1.75:1 | Silver |
🛠 Warranty
✔ 1-Year or 100-Hour Limited Warranty (whichever comes first)
🔧 Core Charge Information
Pricing includes the core charge.
After your rebuildable core is returned, a core refund of up to $500 will be issued upon inspection.
⚙️ Why Choose Our Remanufactured Lower Units?
Our lower units are rebuilt by experienced marine technicians using tested components and strict quality control standards. Each unit is designed to deliver dependable operation for offshore and recreational applications while helping you save significantly compared to new OEM replacements.
🚤 Ideal For
- Replacement of damaged or failed gearcases
- Saltwater or freshwater applications
- Repowers and performance restoration
Fast shipping available.
Contact us for fitment verification or rotation selection before ordering to ensure proper compatibility with your engine setup.

Other Details
Core Policy
A good, usable core is required for all applicable Remanufactured Products.
Core Requirements:
• Core must be complete and usable
• Core cannot be locked up
• Core cannot have a hole.
Core Charge & Refund:
• Core charge is included in the purchase price
• Core charge will be refunded after the core is received and inspected at our facility
• Core must meet all usability requirements to qualify for a refund
Core Pricing:
Powerheads:
• Gen 1, Gen 2, Gen 5, and Gen 6 Verado (excluding 400R): up to $500.00
• 400R Verado: up to $1,000.00
Lower Units:
L6, V8 : Up to $500.00
Trim Rams: Up to $80.00
Core pricing varies depending on engine condition and model.
Shipping Policy
Powerheads:
• Allow 3–5 business days for crating
• Flat-rate shipping to commercial addresses with forklift in the continental
U.S.
• Alaska & Puerto Rico excluded
All Other items: Will Ship once order is placed.
Warranty
Remanufactured items ONLY: Come with a 1 year/100 hours