Crankshaft Oil Seal & Ball Bearing Kit – CG430 CG520 TL43 TL52

4-Piece Crankshaft Oil Seal & Grooved Ball Bearing Kit for Brush Cutters & Grass Trimmers

Keep your brush cutter or grass trimmer running at peak performance with this complete 4-piece crankshaft oil seal and grooved ball bearing kit. Designed to fit popular engine models including CG430, CG520, TL43, and TL52, this kit gives you everything you need to restore smooth crankshaft operation and prevent oil leaks during a single service session.

Why Choose This Kit?

• Complete 4-Piece Set: Includes oil seals and grooved ball bearings — everything needed for a thorough crankshaft service in one package.
• Durable Materials: Constructed from high-quality steel and rubber for long-lasting durability and a reliable seal under demanding outdoor conditions.
• Precise Fit: Engineered specifically for CG430, CG520, TL43, and TL52 engine platforms commonly found in brush cutters and grass trimmers.
• Prevents Oil Leaks: Properly fitted oil seals keep lubricant where it belongs, protecting internal engine components and extending engine life.
• Smooth Operation: Quality grooved ball bearings reduce friction at the crankshaft, ensuring consistent, smooth power delivery to your cutting blade or trimmer head.
• Easy DIY Maintenance: Straightforward fitment makes this kit ideal for home mechanics and professional repair technicians alike.

Product Specifications

• Package Contents: 4 pieces (oil seals + grooved ball bearings)
• Material: Steel / Rubber
• Compatible Models: CG430, CG520, TL43, TL52
• Application: Brush Cutters & Grass Trimmers
• Country of Origin: Made in China

Please allow a 2–3% dimensional variance due to manual measurement. Colors may vary slightly from screen to screen.

Related Products You May Need

• 10-Inch Carbon Steel Knife Sharpening Rod | Honing Steel
• 1/2" Drive Wheel Protector Impact Socket Set + Storage Case
• 1/4" Hex Shank Wire Twister Drill Attachment | Rebar Tie Tool

For general guidance on safe operation and maintenance of outdoor power equipment, refer to the U.S. Consumer Product Safety Commission – Power Tools Safety resource.

Learn more: Ryobi

Frequently Asked Questions

Q: Which brush cutter and trimmer models is this crankshaft oil seal and ball bearing kit compatible with?

A: This 4-piece kit is designed to fit engine models CG430, CG520, TL43, and TL52, which are widely used across many brands of brush cutters and grass trimmers. We recommend confirming your engine model number before purchasing to ensure compatibility.

Q: What is included in the 4-piece crankshaft kit?

A: The kit includes crankshaft oil seals and grooved ball bearings — the key components needed to perform a complete crankshaft seal and bearing service on your CG430/CG520/TL43/TL52 engine.

Q: How do I know when my crankshaft oil seal or bearings need replacing?

A: Common signs include visible oil leaking from the crankshaft area, increased engine vibration, unusual noise during operation, or a noticeable drop in engine performance. Replacing worn seals and bearings promptly helps maintain engine longevity and reliable cutting power.

Q: Are these parts suitable for DIY installation?

A: Yes — with basic mechanical tools and some experience working on small engines, most users can install these parts at home. If you are unfamiliar with small engine repair, consulting a qualified technician is always a good option.