555A0420 – Kawasaki Pin-Spring 4×20 (OEM-Spec)
The Kawasaki 555A0420 Pin-Spring (4×20) is a genuine OEM-spec fastener and retention component designed to secure linkage, levers, or small mechanical parts in Kawasaki engines found on lawn mowers, utility vehicles, and outdoor power equipment. Manufactured to Kawasaki’s exact standards, this precision pin with integrated spring function ensures dependable engagement and proper tension where needed within control systems or assemblies. Built for rugged outdoor use, the 555A0420 pin-spring helps maintain reliable operation under vibration, temperature changes, and day-to-day equipment use.
Product Details
Manufacturer Part Number: 555A0420
Brand: Kawasaki (OEM-Spec)
Part Type: Pin-Spring Retaining Pin
Dimensions: 4 mm diameter × 20 mm length
Function: Secure and retain moving components with spring tension
Application: Kawasaki engine mechanical linkages, controls, and assemblies
Material: Hardened steel with spring-tension capability
OEM Status: Genuine Kawasaki replacement part
Function
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Acts as a retention pin that secures linkages or components
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Integrated spring design provides tension for proper engagement
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Helps prevent component loosening due to vibration or movement
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Supports accurate mechanical control and alignment
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Designed to meet Kawasaki’s strict quality standards
Compatible With
The Kawasaki 555A0420 Pin-Spring 4×20 is used in select Kawasaki engines and assemblies, including:
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Engine control linkage systems requiring a spring-tension pin
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Governor or throttle linkage assemblies
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Choke or carburetor linkage retention
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Other mechanical pivot or securing points specified in Kawasaki parts diagrams
Note: Always verify compatibility by referencing your engine’s model and serial number against the official Kawasaki parts manual before ordering.
How It’s Used
This pin-spring installs in mechanical linkage or control assemblies where a secure, spring-loaded fastening is required:
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Prepare: Ensure the engine or equipment is off and cool.
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Access Linkage: Identify the linkage or assembly requiring the pin.
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Remove Old Pin: Carefully remove the worn or damaged pin-spring.
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Install New Pin: Insert the Kawasaki 555A0420 into the designated hole until the spring engages.
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Secure Assembly: Check that connected components move freely but remain retained.
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Test Operation: Operate the control linkage to confirm retention and smooth action.
Proper installation ensures reliable control retention and minimizes play in moving parts.
Suggested Maintenance
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Inspect pin-spring areas regularly for wear or loosening
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Replace if bent, worn, or if spring tension weakens
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Keep linkage areas clean to prevent debris interference
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Use OEM-spec parts for correct fit and longevity
The Kawasaki 555A0420 Pin-Spring 4×20 is a dependable OEM-spec replacement designed to provide secure mechanical retention, consistent tension, and long-lasting performance in compatible Kawasaki engine control systems and linkages.