Restore your Yanmar engine to factory-grade operating performance with the Genuine Yanmar Crankshaft Assembly (114210-21780).

Genuine Yanmar L70 Crankshaft Assembly (Part No. 114210-21780)

Quick Specifications & Identifiers

Key Product Highlights

• 100% Genuine OEM Yanmar Part: Direct factory replacement built to exact OEM tolerances.

• Engine Compatibility: Designed specifically for Yanmar L70 series single-cylinder air-cooled diesel engines (L70, L70AE, L70N, L70V, L70W).

• Maximum Vibration Resistance: Heat-treated forged steel construction prevents flex and smooths engine balance under heavy industrial loads.

• Optimal Fitment: Matches factory bearing surface and timing gear spacing to restore full power delivery.

• Reduces Downtime: Avoid poor fitment and scoring issues common with aftermarket copycat parts.

Rich SEO Product Description

Restore your Yanmar engine to factory-grade operating performance with the Genuine Yanmar Crankshaft Assembly (114210-21780).

Engineered specifically for the Yanmar L70 diesel engine series, this original equipment manufacturer (OEM) replacement part ensures precise rotational balance, maximum torque conversion, and long service life. Whether operating industrial generators, high-pressure pumps, or construction equipment powered by the L70 engine, installing an authentic Yanmar crankshaft protects internal engine components like connecting rods, bearings, and flywheel gears from premature wear.

Features & Performance Advantages

• Precision Engineering: Manufactured to exact factory specifications for perfect journal clearance and oil pressure retention.

• Industrial Strength: High-grade forged steel body treated to resist thermal expansion and stress under continuous 3,600 RPM operation.

• Direct Drop-In Replacement: Replaces worn or damaged stock crankshafts without requiring machining or modifications.

Applications & Engine Compatibility

Fits Yanmar air-cooled single-cylinder diesel models, including:

• Yanmar L70 / L70AE

• Yanmar L70N / L70N5 / L70N6

• Yanmar L70V / L70V6

• Yanmar L70W

Engineered specifically for the Yanmar L70 diesel engine series, this original equipment manufacturer (OEM) replacement part ensures precise rotational balance, maximum torque conversion, and long service life. Whether operating industrial generators, high-pressure pumps, or construction equipment powered by the L70 engine, installing an authentic Yanmar crankshaft protects internal engine components like connecting rods, bearings, and flywheel gears from premature wear.

Features & Performance Advantages

• Precision Engineering: Manufactured to exact factory specifications for perfect journal clearance and oil pressure retention.

• Industrial Strength: High-grade forged steel body treated to resist thermal expansion and stress under continuous 3,600 RPM operation.

• Direct Drop-In Replacement: Replaces worn or damaged stock crankshafts without requiring machining or modifications.

Applications

Fits Yanmar air-cooled single-cylinder diesel models, including:

• Yanmar L70 / L70AE

• Yanmar L70N / L70N5 / L70N6

• Yanmar L70V / L70V6

• Yanmar L70W