4238-030-0400 Crankshaft Assembly For Stihl TS410 TS420 Cut Off Concrete Saw
4238-030-0400 Crankshaft Assembly For Stihl TS410 TS420 Cut Off Concrete Saw
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Crankshaft Assembly for Stihl
Replace a worn or damaged crankshaft in your Stihl TS410 or TS420 cut-off saw with this assembly, matching OEM part number 4238-030-0400 to restore engine power and balance.
Overview
This crankshaft assembly is a critical engine component for Stihl TS410 and TS420 concrete saws. The crankshaft assembly converts piston motion into rotational force to drive the cutting blade. It is built for professional concrete and masonry cutting applications where reliability under load is essential.
Built For Performance
- Forged steel construction withstands high-compression abuse
- Precision-ground crankpins and main journals for smooth rotation
- Counterweight design reduces vibration and improves balance
- Heat-treated surfaces extend fatigue life under continuous use
- Exact spline dimensions match OEM for seamless engagement
- Ready-to-install with correct bearing journals and oil passages
Fits These Machines
- for Stihl TS410 cut-off saw
- for Stihl TS420 cut-off saw
On-The-Job Use
- Concrete cutting and road repair
- Demolition and utility work
- Masonry and block cutting
- Pipe and rebar cutting in construction
- Industrial saw maintenance operations
Specs At A Glance
| Part Number(s) | 4238-030-0400 |
| Type | Crankshaft assembly |
Good To Know
Q: Does this assembly include the connecting rod? A: The crankshaft assembly typically includes the crank and counterweights; verify if the rod is needed separately based on your engine condition.
Q: Will this fit a TS350 or other Stihl saw models? A: This part is specified for TS410 and TS420 only; check your model and part number before ordering to ensure proper fit.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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