Products Description
Brush Cutter Metal Clutch – Replacement for CG430/CG520/TL43/TL52/40-5/44-5
Direct-Fit Centrifugal Clutch for 43–52cc Brushcutters
This metal clutch assembly is a direct replacement for the power transmission system on 43cc and 52cc brushcutters, including CG430, CG520, TL43, TL52, 40-5, 44-5, and compatible models . The centrifugal clutch engages when the engine reaches operating RPM, transferring power from the engine to the cutting attachment, and disengages at idle for safe operation. Constructed from hardened carbon steel, this heavy-duty clutch is engineered to withstand high torque, resist heat warping, and provide reliable performance in demanding landscaping and grounds maintenance applications .


Technical Profiles & Materials
Heavy-Duty Steel Construction – Manufactured from hardened carbon steel, this clutch drum resists heat warping and wear, offering significantly longer lifespan than standard alternatives. Handles high torque cutting without slipping and ensures reliable power transmission under demanding conditions .
Precision Fitment – Designed to meet original equipment specifications for 43–52cc brushcutter engines. The clutch is specifically compatible with CG430, CG520, TL43, TL52, 40-5, 44-5, and models such as BC430, BC520, 40-5F, and 44-5F . Dimensions are approximately 7.5cm in diameter with standard mounting hole spacing .
Broad Model Compatibility – Fits a wide range of 43cc and 52cc brushcutters and associated engines, including:
CG Series: CG430, CG520
Other Models: TL43, TL52, 40-5, 44-5, BC430, BC520, 40-5F, 44-5F
Engines: 1E40F-5 (42.7cc, 43cc), 1E44F-5 (51.7cc, 52cc)
Brands: Maruyama BC420, BC500, BC450, BC520; Husqvarna 142R, 143R, 152R, 153R; Power Pro PRO 43/TL43, PRO 52/TL52
Tool-Free Installation – Direct bolt-on replacement design allows installation without specialized tools. Most users can complete the replacement in approximately 10 minutes .
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Compatible Models | CG430, CG520, TL43, TL52, 40-5, 44-5, BC430, BC520 |
| 2 | Engine Displacement | 43cc – 52cc (42.7cc – 51.7cc) |
| 3 | Engine Models | 1E40F-5 (42.7cc), 1E44F-5 (51.7cc) |
| 4 | Clutch Type | Centrifugal shoe-type |
| 5 | Material | Hardened carbon steel / Metal alloy |
| 6 | Diameter (Approx.) | 7.5cm / 2.95 inches |
| 7 | Weight (Approx.) | 174g |
| 8 | Package Contents | 1 x Clutch Assembly |
| 9 | Installation | Tool-free, direct bolt-on replacement |
Products Application

Brushcutter Clutch Replacement
Direct replacement when the cutting head fails to engage, slips under load, or spins at idle. A worn clutch causes poor cutting performance, increased fuel consumption, and potential damage to the drive system. This clutch assembly restores proper engagement and reliable cutting performance on CG430, CG520, TL43, TL52, 40-5, 44-5, and compatible models .

Professional Landscaping & Grounds Maintenance
For contractors and grounds maintenance crews, a properly functioning clutch is essential for productivity. This replacement clutch provides reliable engagement and disengagement, ensuring consistent cutting performance during demanding trimming and brush clearing tasks. The hardened steel construction is suited to the demands of commercial use .

Workshop & Repair Service
For repair centres servicing Chinese brushcutters and compatible models, this clutch assembly simplifies repairs by providing a complete drop-in replacement. The tool-free installation design reduces service time and ensures consistent repair quality. Popular models including CG430/CG520 and TL43/TL52 are common in workshop inventory .
Quality and Craftsmanship Details



Products Package

About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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FOR 10000+ OUALITY PARTS
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FAQ
Q: How do I confirm this clutch fits my brushcutter?
A:Check your machine model number on the identification plate. This clutch is compatible with TL43, CG430, 40-5, TL52, CG520, 44-5, BC430, BC520, and many other 43–52cc brushcutters . Verify your engine displacement (43cc or 52cc) and the diameter of your existing clutch (approx. 7.5cm) .
Q: What are the symptoms that indicate the clutch needs replacing?
A: Common symptoms include the cutting head not engaging when the throttle is applied, the cutting head slipping under load, the cutting head spinning at idle, or unusual noise from the clutch area . If these symptoms occur, the clutch shoes may be worn or the springs may have lost tension.
Q: How difficult is installation?
A: Installation is straightforward and requires no specialized tools . The clutch is designed as a direct bolt-on replacement. Simply remove the old clutch assembly and install the new one – most users can complete the replacement in about 10 minutes . Ensure the shaft size and hole spacing (typically 52mm) match your existing unit .
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