{"product_id":"crankshaft-oil-seal-ball-bearing-kit-cg430-cg520-tl43-tl52-brush-cutter","title":"Crankshaft Oil Seal \u0026 Ball Bearing Kit – CG430 CG520 TL43 TL52","description":"\n\u003ch2\u003e4-Piece Crankshaft Oil Seal \u0026amp; Grooved Ball Bearing Kit for Brush Cutters \u0026amp; Grass Trimmers\u003c\/h2\u003e\n\u003cp\u003eKeep your brush cutter or grass trimmer running at peak performance with this complete \u003cstrong\u003e4-piece crankshaft oil seal and grooved ball bearing kit\u003c\/strong\u003e. Designed to fit popular engine models including \u003cstrong\u003eCG430, CG520, TL43, and TL52\u003c\/strong\u003e, this kit gives you everything you need to restore smooth crankshaft operation and prevent oil leaks during a single service session.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Kit?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete 4-Piece Set:\u003c\/strong\u003e Includes oil seals and grooved ball bearings — everything needed for a thorough crankshaft service in one package.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Materials:\u003c\/strong\u003e Constructed from high-quality \u003cstrong\u003esteel and rubber\u003c\/strong\u003e for long-lasting durability and a reliable seal under demanding outdoor conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Fit:\u003c\/strong\u003e Engineered specifically for CG430, CG520, TL43, and TL52 engine platforms commonly found in brush cutters and grass trimmers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrevents Oil Leaks:\u003c\/strong\u003e Properly fitted oil seals keep lubricant where it belongs, protecting internal engine components and extending engine life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth Operation:\u003c\/strong\u003e Quality grooved ball bearings reduce friction at the crankshaft, ensuring consistent, smooth power delivery to your cutting blade or trimmer head.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy DIY Maintenance:\u003c\/strong\u003e Straightforward fitment makes this kit ideal for home mechanics and professional repair technicians alike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 4 pieces (oil seals + grooved ball bearings)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel \/ Rubber\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e CG430, CG520, TL43, TL52\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Brush Cutters \u0026amp; Grass Trimmers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003ePlease allow a 2–3% dimensional variance due to manual measurement. Colors may vary slightly from screen to screen.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-inch-carbon-steel-knife-sharpening-rod-honing-steel\"\u003e10-Inch Carbon Steel Knife Sharpening Rod | Honing Steel\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-drive-wheel-protector-impact-socket-set-storage-case\"\u003e1\/2\" Drive Wheel Protector Impact Socket Set + Storage Case\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-shank-wire-twister-drill-attachment-rebar-tie-tool\"\u003e1\/4\" Hex Shank Wire Twister Drill Attachment | Rebar Tie Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general guidance on safe operation and maintenance of outdoor power equipment, refer to the U.S. Consumer Product Safety Commission – Power Tools Safety resource.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Ryobi\" target=\"_blank\" rel=\"noopener\"\u003eRyobi\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which brush cutter and trimmer models is this crankshaft oil seal and ball bearing kit compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 4-piece kit is designed to fit engine models \u003cstrong\u003eCG430, CG520, TL43, and TL52\u003c\/strong\u003e, 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in the 4-piece crankshaft kit?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I know when my crankshaft oil seal or bearings need replacing?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these parts suitable for DIY installation?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which brush cutter and trimmer models is this crankshaft oil seal and ball bearing kit compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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. 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