Chainsaw Engine Cover Screw Set – MS311 & MS391 | M6x20
Chainsaw Engine Cover Screw Set – MS311 & MS391 | M6x20
Chainsaw Engine Cover Screw Set – MS311 & MS391 Compatible
Keep your chainsaw running at its best with this precision-engineered Engine Cover Screw Set, designed as a direct-fit replacement for Stihl MS311 and MS391 chainsaws. Built to M6x20 specifications from durable alloy steel and reinforced plastic, this kit delivers the strength and reliability needed for demanding outdoor cutting work.
Key Features
- Direct Compatibility: Specifically designed for MS311 and MS391 chainsaws — ensures a precise fit every time with no modifications required.
- OEM-Referenced Part Numbers: Matches part numbers 90223191300 and 9022 319 1300, making it straightforward to verify you have the correct replacement screws for your chainsaw's top cover.
- M6x20 Specification: Machined to M6x20 screw standards for consistent threading, secure fastening, and lasting durability under harsh operating conditions.
- Quality Materials: Constructed from alloy steel and plastic composite (Silver + White) for a combination of structural rigidity and corrosion resistance.
- Restored Performance: Replacing worn, stripped, or damaged engine cover screws and bar nuts helps restore smooth, dependable chainsaw operation.
Specifications
- Material: Alloy Steel + Plastic
- Size: M6 x 20
- Color: Silver + White
- Compatible Models: MS311, MS391
- Part Numbers: 90223191300 / 9022 319 1300
- Country of Origin: Made in China
Package Contents
- 1 × Chainsaw Engine Cover Screw Set (bar nuts strip)
Note: Monitor settings may cause slight color variations from images shown. Please allow for minor measurement tolerances.
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Frequently Asked Questions
Q: Which chainsaw models is this engine cover screw set compatible with?
A: This engine cover screw set is specifically designed to fit the MS311 and MS391 chainsaw models. It matches OEM part numbers 90223191300 and 9022 319 1300, so you can be confident it is the correct replacement for your equipment.
Q: What size are the screws included in this set?
A: The screws in this set are manufactured to M6x20 specifications, providing a secure, standardized fit that holds the engine cover firmly in place during chainsaw operation.
Q: What materials are used to make this chainsaw cover screw set?
A: The set is constructed from alloy steel and plastic, offering a balance of strength and durability. The alloy steel components provide structural rigidity while the plastic elements contribute to vibration dampening and a secure fit.
Q: How do I know when to replace my chainsaw engine cover screws?
A: Signs that your engine cover screws need replacing include visible stripping, rust, difficulty tightening, or a loose-fitting engine cover. Keeping these fasteners in good condition helps maintain safe and efficient chainsaw operation.