57110-87L02 Suzuki Marine Long-Shaft Driveshaft 20" | Genuine OEM Outboard Part

🔧 Product Description

Genuine Suzuki Marine 20-Inch Driveshaft - Part Number: 57110-87L02

Genuine Suzuki vertical driveshaft for long-shaft DF70A, DF80A and DF90A outboards installed on a nominal 20-inch transom. It transfers engine torque from the crankshaft to the lower-unit pinion gear.

⚙️ Key Features

• Genuine Suzuki long-shaft driveshaft
• Designed for nominal 20-inch L-transom engines
• Correct spline, length and bearing-journal geometry
• Manufactured for DF70A, DF80A and DF90A gearcases
• Not interchangeable with the 25-inch X-shaft solely by appearance

🚤 Compatibility

Commonly used on

• Suzuki DF70A, DF80A and DF90A long-shaft lower units

Typically suits

• Engine models:
• DF70A L-shaft configurations
• DF80A L-shaft configurations
• DF90A L-shaft configurations
• HP Range: 70HP-90HP
• Engine Type: Inline-four four-stroke outboards
• Transom / Shaft Length: Nominal 20-inch long shaft
• Year Range: Approximately 2009 onward, depending on model and gearcase revision
• Serial Note: Verify shaft length, gearcase type and frame serial before assembly.

🔌 Function

The driveshaft transmits rotational power from the engine crankshaft down through the extension housing to the lower-unit gear set.

⚠️ Common Signs of Failure

• Worn or twisted splines
• Corrosion at the crankshaft spline
• Bent shaft causing vibration or seal wear
• Pitted bearing or seal journal
• Abnormal lower-unit noise
• Driveshaft difficult to remove due to spline corrosion

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 57110-87L02 (current documented 20-inch driveshaft reference)

OEM / Related Numbers

• 57110-87L02 — 20-inch L-shaft
• 57110-87L12 — related 25-inch X-shaft, not a direct equivalent

Aftermarket / Verified Equivalents

• No aftermarket equivalent

📦 Condition

• Genuine Suzuki Marine part
• Brand new
• Supplied in original or equivalent protective packaging