Products Description
MS390 Chainsaw Fuel Tank Cap – STIHL OEM-Spec Replacement
Secure Fuel Cap for STIHL MS290, MS310, MS390 & 039 Chainsaws
Gasoline sprayer nozzle With ceramic spray washer 1.5
This fuel tank cap is a direct replacement for the STIHL MS390 and compatible chainsaw models, providing a secure seal to prevent fuel leaks and maintain optimal fuel efficiency . Designed to fit the bayonet-style filler neck common on many STIHL saws, this cap is retained by a metal or plastic retainer and offers a reliable replacement when the original cap becomes damaged, worn, or lost . The cap is constructed from durable plastic and is suitable for the fuel tank on MS390, MS310, MS290, 039, and 029 models, with the same cap also serving as the oil cap on certain model ranges .
Technical Profiles & Materials
OEM-Compatible Fitment – Direct replacement for STIHL fuel caps, with compatibility confirmed for MS390, MS310, MS290, 039, and 029 chainsaws . Also fits numerous other STIHL saws including MS250, MS260, MS361, MS440, and MS880 .
Secure Seal – Prevents fuel leakage and vapor escape, maintaining proper fuel system integrity during operation and storage . The cap features a bayonet-style, non-threaded design that provides a tight, reliable seal .
Universal Application – Many STIHL models use the same cap for both the fuel tank and the oil tank, offering versatile application and simplified parts stocking .
Durable Material – Manufactured from high-quality plastic that withstands exposure to gasoline, oil, and outdoor working conditions .
Easy Installation – Simple tool-free replacement. Remove the old cap and install the new one-no special tools required .
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | OEM Part No. | 0000 350 0520 / 0000 350 0525 / 0000 350 0533 |
| 2 | Compatibility | STIHL MS390, MS310, MS290, 039, 029 |
| 3 | Also Fits | MS250, MS260, MS361, MS440, MS880, MS171, MS181, MS210, MS230, MS240, MS270, MS280, MS311, MS341, MS391, MS441, MS460, MS461, MS661 |
| 4 | Material | Plastic (Durable, fuel-resistant) |
| 5 | Type | Fuel cap / Bayonet-style (non-threaded) |
| 6 | Dual Application | Fits both fuel and oil tank caps on many models |
| 7 | Weight | Approx. 60g – 76g (varies by manufacturer) |
| 8 | Package Options | Available individually or in multi-piece kits |
Products Application
Fuel Tank Cap Replacement
Direct replacement for a lost, damaged, or worn fuel cap on MS390 and compatible saws. The non-threaded design provides a secure seal to prevent fuel leakage during operation and storage . User reviews confirm the cap "fits perfectly" and "works as it should" on compatible models .
Oil Tank Cap Replacement
Many MS390-series saws use the same cap design for both fuel and oil tanks. This cap can serve as a replacement for either application . Kits including both fuel and oil caps are available for comprehensive maintenance .
Preventative Maintenance Kit
When performing routine chainsaw service, replacing the fuel cap alongside fuel filters and hoses ensures the fuel system remains sealed and free from contamination. Comprehensive kits are available that include the cap, filter, and fuel line in one package .
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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Customer Reviews
FAQ
Q: How do I confirm this cap fits my MS390?
A:Check your chainsaw model number on the housing. This cap is compatible with STIHL MS390, MS310, MS290, 039, and 029 models . OEM part numbers include 0000 350 0520, 0000 350 0525, and 0000 350 0533 .
Q: What is the difference between the various OEM part numbers?
A: The different numbers (0520, 0525, 0533) represent superseding part numbers for the same basic cap design. They are generally interchangeable for compatible models .
Q: What is included in a typical cap kit?
A: Caps are available individually or in multi-piece kits. Comprehensive kits may include the cap, fuel filter, and fuel line , while multi-cap packs include two caps for replacing both fuel and oil tank caps or keeping a spare on hand .
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