Description
Overview:
This Oil Seal is a genuine ECHO spare part for maintaining correct sealing around rotating shafts on petrol chainsaws, helping to prevent oil leaks and unmetered air entry. Built from oil‐resistant elastomer with a metal-reinforced case and a spring-loaded sealing lip, it offers a dependable barrier against oil seepage and dust ingress. It is designed for ECHO professional and homeowner saws, including the CS-4310SX and CS-501SX, and is a direct replacement for OEM No. V508000070. By keeping the crankcase properly sealed, it supports smooth running, reliable starting, and consistent performance. Suitable for routine servicing or repairs, this round radial shaft seal is a practical, long-lasting component for keeping your ECHO chainsaw in top working order. Genuine ECHO part for assured fit and compatibility.
Key Features:
- Genuine ECHO part for compatibility and reliability
- Direct replacement for OEM No. V508000070
- Oil‐resistant materials for durability with petrol/oil exposure
- Spring-reinforced lip helps maintain a tight, consistent seal
- Metal-backed construction for stability and correct seating
- Helps prevent oil leakage and air leaks that affect engine tuning
- Supports correct crankcase pressure for smooth running
- Resistant to typical chainsaw temperatures and contaminants
- Accurate fit on specified models reduces downtime
- Straightforward to install during routine maintenance
Typical Applications:
Used during engine servicing, rebuilds, or leak repairs on ECHO chainsaws to restore proper sealing around the crankshaft or other specified rotating shafts. Ideal when there is visible oil weep, inconsistent idling, hard starting, or performance variation linked to crankcase sealing. Helps maintain lubrication where intended and keeps debris out.
Also known as:
Radial shaft seal, crankshaft oil seal, lip seal, shaft seal for chainsaw engines, ECHO crank seal, garter-spring oil seal for two-stroke engines.
Fits Models:
390SX, 491S, 501SX, CS-390ESX, CS-4310SX, CS-490ES, CS-500ES, CS-501SX, CS490ES, CS500ES, CS501SX
Alternate Part Numbers:
V508000070, ECV508000070
Product Specifications
| L&S Part No. | ECV508000070 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | ECHO |
| OEM No. | V508000070 |
| Unit of Sale | 1 |
| Applications | 390SX, 491S, 501SX, CS-390ESX, CS-4310SX, CS-490ES, CS-500ES, CS-501SX, CS490ES, CS500ES, CS501SX |
| Machine Type | Chainsaws |
| Fits Brands | Echo |
| Fits Models | CS-4310SX | CS-501SX | CS-390ESX | CS-490ES | CS-500ES | 501SX | 390SX | 491S |
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