Description
Overview:
This genuine ECHO oil seal (OEM No. 10021330830) is a precision sealing component for ECHO professional chainsaws, including CS-8000 and CS8000 models. Built from durable, oil-resistant elastomer with a reinforced case, it is designed to retain lubrication and crankcase pressure around a rotating shaft while keeping out dust, chips, and moisture. A sound seal helps the engine start reliably, idle consistently, and produce stable power by maintaining proper crankcase integrity. As a direct-fit part, it replaces a worn or leaking seal to restore efficient operation and reduce the risk of secondary damage to bearings and other engine components. This is a Genuine Part from ECHO, ensuring the correct fit and specification for long-term, dependable service.
Key Features:
- Genuine ECHO replacement, OEM No. 10021330830, for assured compatibility and fit
- Designed for the CS-8000 platform (including CS8000) to meet factory specification
- Maintains crankcase sealing to support easy starting, steady idle, and strong performance
- Helps prevent oil and fuel mix leakage and excludes dust, chip, and moisture ingress
- Tough, oil- and heat-resistant elastomer with reinforced construction for durability
- Direct replacement with no modifications required; suitable for standard workshop tools
- Ideal for routine servicing, fault rectification, or full engine rebuilds
- Supports longer life of crankshaft bearings and related engine components
- Consistent sealing helps reduce unmetered air ingress that can lead to lean running
- Reliable performance in professional and heavy-duty cutting environments
Typical Applications:
Used when a chainsaw shows signs of oil seepage, erratic idle, air leaks, or after bearing replacement and engine strip-down. Suitable for preventative maintenance on ECHO CS-8000 series machines operating in forestry, arborist, landscaping, and groundcare work where dust and debris exposure is high and dependable crankcase sealing is essential.
Also known as:
Crankshaft oil seal, crank seal, rotary shaft seal, shaft oil seal, engine oil seal for ECHO chainsaws, CS-8000 series seal, ECHO CS8000 crankcase seal.
Fits Models:
CS-8000, CS8000
Alternate Part Numbers:
10021330830
Product Specifications
| L&S Part No. | EC10021330830 |
|---|---|
| Part Type | Genuine Part |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Echo |
| Key Features | - Genuine ECHO replacement, OEM No. 10021330830 - Fits ECHO CS-8000 and CS8000 chainsaws - Oil-resistant elastomer with reinforced construction - Prevents oil and fuel mix leakage - Direct replacement, no modifications needed |


