SUZUKI OUTBOARD PARTS
Gear set Suzuki DF DT Suzuki 25-30 HP 57510-89J00
Suzuki 40HP Outboard Gear Set including forward gear, reverse gear, and pinion gear. Made from durable steel for lower unit repair and replacement. Precision-machined for stable transmission, smooth shifting, and reliable marine performance. Suitable for Suzuki 30HP outboard gearbox maintenance and rebuild.
Heavy-Duty Outboard Lower Unit Gear Set for Suzuki 25HP & 30HP DT/DF Marine Engines (OEM 57510-89J00 / 57311-89J00 / 57521-89J00)
Product Overview
This premium-grade, 3-piece lower unit gear set is engineered specifically for Suzuki 25HP and 30HP outboard motors, covering both the reliable DT (2-Stroke) and DF (4-Stroke) series. This complete precision-matched kit includes the Pinion, Forward, and Reverse gears, serving as a direct drop-in replacement for the original factory components.
Designed exclusively for global marine distributors, commercial fleet operators, and professional repair shops, our gears utilize high-density alloy steel forging rather than low-cost casting. This delivers the exact tooth mesh, low-vibration performance, and heavy-duty reliability required by hard-working mid-range marine propulsion units.
Technical Specifications & OEM Cross-Reference
Component | Suzuki OEM Part Number | Material / Structural Process |
Forward Gear | 57510-89J00 (or 57510-89J01) | Forged Carburized Alloy Steel |
Pinion Gear | 57311-89J00 (or 57311-89J01) | Forged Carburized Alloy Steel |
Reverse Gear | 57521-89J00 (or 57521-89J01) | Forged Carburized Alloy Steel |
- Compatible Brand: Suzuki Marine
- Engine Horsepower: 25 HP / 30 HP
- Engine Configurations: DT25 / DT30 (2-Stroke) and DF25 / DF30 (4-Stroke V-twin/3-Cylinder models)
- Gear Type: Precision-cut Helical Bevel Gears
Why Source Our Marine Gears? (The Quality-Driven Pathway)
Commercial Reliability for Mid-Range Workhorses Suzuki 25HP and 30HP outboards are trusted globally for coastal fishing, transport tenders, and light commercial operations. Because these engines endure frequent shifting and variable loads, subpar lower unit gears quickly chip, strip, or pit—leading to catastrophic lower unit failures and costly operational downtime.
Our manufacturing facility completely rejects low-cost, low-quality shortcuts. By maintaining strict quality control check-points from raw material verification to final dimensional testing, we supply the international market with gear sets that deliver OEM-level durability at a highly competitive wholesale price. Equip your clients with parts engineered to withstand the toughest marine conditions.
