15 Best Stihl 021 Chainsaw Parts of 2026 – Expert Reviews & Buying Guide

Overview: The Carbhub carburetor kit is a replacement parts set for Stihl 021, 023, 025, MS210, MS230, and MS250 chainsaws. It is built around a WT-286 carburetor and is aimed at owners restoring older saws that need fuel-system service.

Performance & Key Features: This kit stands out because it includes more than just the carburetor. The package also adds fuel and oil filters, air filter, ignition coil, spark plug, fuel line, oil line, gasket, and intake manifold, which can make a tune-up more efficient. The listing also identifies several OEM replacement numbers, which helps with part matching.

Drawbacks & Considerations: Fitment needs careful checking. The air filter is not for Stihl 021, 023, or 025, and the ignition coil is not compatible with C-series variants such as MS210C or MS250C. The carburetor is also described as different from Zama C1Q-S76, even though it can replace it in some cases.

Verdict: This is a practical option for users who need a broad repair kit for compatible Stihl chainsaws and want to replace several wear items at once. It is best suited to owners who can verify their exact model numbers before installation.

Overview: The BlueStars MS250 Air Filter Kit is a replacement maintenance set for select Stihl chainsaws, including the 021, 023, 025, MS210, MS230, and MS250 series. It is designed as a direct-fit service part for users who want a simple way to refresh key wear items.

Performance and features: The kit includes 2 air filters, 1 fuel filter, and 1 spark plug, making it practical for routine tune-ups. According to the product data, the air filter uses premium synthetic fiber with a protective mesh layer and is intended to trap 99% of debris while maintaining airflow.

Drawbacks and considerations: This is not a universal chainsaw kit, so compatibility depends on matching the engine model and part numbers. The buyer should verify fit carefully before ordering, especially because the listing references specific OEM-style part numbers and dimensions.

Verdict: For owners of compatible Stihl saws who want a compact maintenance package, this kit offers strong value and straightforward replacement convenience. It is best suited to users who prioritize correct fit, basic engine upkeep, and an easy one-box parts solution.

Overview & Design: The ASDICOXB 1117-350-5800 is a replacement fuel tank vent line made for select Stihl chainsaws. It is a simple maintenance part rather than a full assembly, and the listing identifies it by the exact replacement number for easier part matching.

Performance & Key Features: This vent line is intended for models such as the 021, 023, 025, MS250, 028, 029, 038, 039, 042, and 048, plus some MS290, MS310, and MS390 saws. For owners of compatible machines, the main value is having a direct-fit replacement option for fuel tank venting needs, with two pieces included in the package.

Drawbacks & Considerations: The main limitation is fitment. Because it only works with specific Stihl models, buyers should confirm compatibility before ordering. The listing also does not provide material details, dimensions, or installation guidance, so it is best suited for users who already know the part they need.

Verdict: This is a practical replacement part for Stihl chainsaw owners and repair users who need the 1117-350-5800 vent line. It is best for anyone maintaining compatible saws and looking for a simple two-pack replacement with clear model coverage.

Overview & Design: The Adefol Chainsaw 7pcs Kit is an aftermarket replacement parts set for select Stihl chainsaws, including 017, 018, 021, 023, MS170, MS180, MS210, MS230, and MS250. It is built around a 3/8" LP pitch spur sprocket and is intended for clutch drum and drive system repair.

Performance & Key Features: This kit combines the sprocket, clutch, sprocket bearing, E-clip, washer, spark plug, and worm gear into one package. That makes it a practical option for users who want to service multiple wear items at once and verify fit using the listed OEM references such as 1123 640 2003, 1123 640 2073, 1123 160 2001, and 1123 640 7102.

Drawbacks & Considerations: The main limitation is that compatibility must be checked carefully before purchase, since the listing depends on specific model and part number matches. The product page also does not provide dimensions, material grades, or detailed performance data, so buyers should rely on the supplied compatibility information and their original parts for comparison.

Verdict: This kit is best suited for Stihl owners, repair shops, or DIY users who need a grouped replacement solution for drivetrain maintenance. If your saw matches the listed models and OEM references, it offers a straightforward way to restore worn clutch and sprocket components.

Overview: The JRL 1123 080 1802 Recoil Starter Assembly is a replacement pull start for compatible Stihl chainsaws, including 021, 023, 025, MS 210, MS 230, and MS 250. The assembly uses an ABS outer housing and a nylon fiber pull rope for everyday repair use.

Performance: According to the product details, the starter is designed to reduce starting resistance and support reliable hand cranking. It also uses a reinforced inner structure and a vented grid shell, which can help with wear resistance and heat dissipation during repeated starts.

Considerations: Fitment is specific, so buyers should match the chainsaw model and one of the listed part numbers before ordering. The listing does not provide dimensions or a full accessory list, which may matter for exact replacement checks.

Verdict: This is a practical replacement option for owners who need a compatible recoil starter assembly for supported Stihl saws. It is most useful when correct model matching is confirmed and a straightforward maintenance part is the goal.

Overview: The Mtanlo .325" Clutch Drum Sprocket Oil Pump Kit is a replacement parts bundle for select Stihl chainsaws, including the 021, 023, 025, MS230, and MS250. It combines several drivetrain and lubrication components into one package, which makes it practical for maintenance and rebuild work.

Performance and features: The kit includes a .325" 7-tooth clutch drum, clutch, washer, worm gear, needle bearing, E-clip, fuel hose, oil hose, oil filter, oil pump, and two fuel filters. That broad parts mix is useful when addressing wear in both the clutch area and the saw's oiling system, especially for users who want to refresh multiple service items at the same time.

Drawbacks and considerations: This is a model-specific replacement kit, so buyers need to confirm compatibility against the listed part numbers and saw models before ordering. The listing does not provide dimensions or material details, and it is not a universal fit solution.

Verdict: This kit is best suited to Stihl owners who need a grouped replacement set for compatible 021, 023, 025, MS230, or MS250 saws. It offers strong practical value for repairs, provided the buyer verifies fitment carefully.

Overview & Design: The Adefol 1123-640-1705 Chain Sprocket Cover Kit is a replacement assembly for select STIHL chainsaws, including the 017, 018, 021, 023, 025, MS170, MS180, MS210, MS230, and MS250. It is made from sturdy ABS plastic and is intended to replace the original sprocket cover while including related tensioning hardware.

Performance & Key Features: This kit is designed to protect the sprocket and chain wheel area from debris and damage, helping the chainsaw operate more smoothly when properly installed. The package includes one sprocket cover, one side tensioner, two nuts, and two studs, which adds practical value for users replacing worn or missing hardware.

Drawbacks & Considerations: Fitment is the most important consideration. This part is only intended for the listed STIHL models and OEM reference number 1123-640-1705, so buyers should confirm their chainsaw model before ordering. The product data does not provide exact dimensions or step-by-step installation guidance, and the ABS plastic build may not appeal to users who prefer metal replacement parts.

Verdict: The Adefol Chain Sprocket Cover with Adjuster Tensioner Stud Nut is a practical maintenance part for owners of compatible STIHL chainsaws who need an affordable sprocket cover replacement with included hardware. It is best suited for users who want a model-specific replacement kit rather than sourcing the cover, studs, nuts, and tensioner separately.

Overview & Design: The Hipa MS250 air filter fuel line tune up kit is a replacement parts bundle for STIHL 021, 023, 025, MS210, MS230, and MS250 chainsaw models. It is built around compatibility with air filter part number 1123 120 1651 and includes the main wear items commonly replaced during routine chainsaw maintenance.

Performance & Key Features: The kit includes one HIPA MS250 air filter, fuel line, oil line, chainsaw oil filter, fuel filter, and spark plug. The air filter uses multi-fiber, high-density media and is specified for 99% filtration efficiency, helping reduce airborne particle intake while supporting smoother airflow. Its listed dimensions are 3-11/16 inch overall length, 3 inch overall width, and 1-1/4 inch overall height.

Drawbacks & Considerations: Fitment should be checked carefully before purchase, especially by confirming both the engine model and the replacement part number. This kit is an aftermarket replacement rather than an OEM STIHL parts package, and packaging may vary as inventory transitions between older and newer packaging versions.

Verdict: This Hipa MS250 tune up kit is best for STIHL chainsaw owners who want a convenient, budget-conscious maintenance bundle instead of buying each part separately. It is a practical choice for DIY users maintaining compatible 021, 023, 025, MS210, MS230, or MS250 chainsaws, provided they confirm fitment before ordering.

Overview: The Cancanle 025 Oil Cap Fuel Cap Lids are replacement parts designed for select STIHL chainsaws. This is a simple maintenance item aimed at owners who need to replace worn, lost, or damaged caps on compatible saws.

Performance: The main value of this part is model coverage. It is listed for many STIHL models, including 010, 011, 012, 020, 020T, 021, 023, 024, 025, 026, 028, 034, 034S, 036, 038, and 048, which makes it useful for keeping older chainsaws operational. As a cap replacement, its job is to help maintain proper tank closure and support routine tool upkeep.

Drawbacks and considerations: The product data does not provide dimensions, materials, or detailed fitment notes, so buyers should confirm compatibility before ordering. There is also limited feedback information in the source data, which means durability and long-term performance are not fully documented here.

Verdict: This is a practical choice for STIHL owners looking for a basic replacement oil cap or fuel cap lid for supported models. It is most valuable for users who want a simple, model-specific part to restore function on an older chainsaw.

Overview: The ALFUL Ruixing OEM MS250 Carburetor is a replacement kit for several Stihl chainsaws, including the 021, 023, 025, MS210, MS230, and MS250. It is positioned as a ready-to-install repair part rather than a bare carburetor only, which makes it appealing for routine chainsaw maintenance.

Performance and features: The listing highlights factory tuning and wet flow testing, which are intended to support reliable fuel delivery and reduce the need for manual adjustment. It also includes a useful bundle of tune-up parts, such as an air filter, fuel line, primer pump, oil line, fuel filter, oil filter, spark plug, and gasket, giving buyers more of what they need for a repair job in one package.

Drawbacks and considerations: The fit is model-specific, and the air filter only fits MS210, MS230, and MS250, not the 021, 023, or 025. The carburetor is also noted as different from the Zama C1Q-S76 design, so users should verify compatibility against their current part numbers before ordering.

Verdict: This kit is best suited for Stihl owners or repair users who want a carburetor replacement with several support parts included. If your saw matches the listed models and you want a practical maintenance bundle, it offers solid value and a convenient all-in-one approach.

Overview & Design: The Podoy fuel tank vent line is a replacement part designed for select Stihl chainsaws, including the 021, 023, 025, MS250, 028, 029, MS290, 038, and 048. It replaces part number 1117-350-5800 and comes as a 2-piece pack for repair or spare-part use.

Performance & Key Features: Each vent line measures approximately 17.7 inches, or 45 cm, giving users extra length to trim during installation. This is useful because fuel tank vent routing can vary by model and condition. The durable material is intended to help maintain the integrity of the fuel system and reduce breakage during regular chainsaw maintenance.

Drawbacks & Considerations: This is an aftermarket part, not a product sold or created by Stihl. Buyers should confirm their chainsaw model and replacement part number before ordering. The tubing is intentionally supplied longer than needed, so trimming is required for a correct fit.

Verdict: The Podoy 1117-350-5800 fuel tank vent line is a practical choice for chainsaw owners, repair shops, and DIY users maintaining compatible Stihl models. It is best suited for those who want an adjustable, two-pack replacement vent line and are comfortable confirming fitment before installation.

Overview & Design: The BlueStars 1123 080 1802 is a replacement recoil starter assembly for select Stihl chainsaws. It is built with an ABS plastic housing and a nylon-fiber pull rope, giving it a practical repair-focused design for restoring pull-start function.

Performance & Key Features: This part is intended to fit Stihl 021, 023, 025, MS210, MS230, and MS250 chainsaws, and it replaces part numbers 1123 080 1802, 11230801802, and 1123-080-1802. It is meant to help resolve starting problems such as a spring that has sprung, poor engagement, or a recoil system that will not spin correctly.

Drawbacks & Considerations: Because this is a model-specific replacement, buyers should confirm compatibility before ordering. The provided data does not include installation accessories, so users may need their existing hardware or repair experience for the swap.

Verdict: This is a sensible option for owners of compatible Stihl chainsaws who need to replace a worn or failed recoil starter. It offers a straightforward, parts-match-focused solution for restoring easier pull starts without unnecessary extras.

Overview: The AILEETE Chain Brake Handle Guard is a replacement part made for Stihl chainsaws, including 021, 023, 025, MS210, MS230, and MS250 models. It is listed as a replacement for OEM part 1123 792 9100, which makes it easier to match during repair work.

Performance and fit: As a dedicated hand guard and chain brake handle replacement, this part is aimed at restoring the saw's original guard function after damage or wear. The model-specific compatibility is the main advantage here, especially for users who want a direct replacement instead of a universal part.

Drawbacks and considerations: The product data does not include dimensions, material details, or installation guidance, so buyers should confirm compatibility before ordering. It also includes only one part, which is fine for a single repair but may not cover every hardware need.

Verdict: This is a practical option for Stihl owners who need a replacement chain brake handle guard and already know their saw uses part number 1123 792 9100. It is best suited to repair-focused buyers who value exact fit over extra features.

Overview: The Hipa 6 Pieces Chainsaw Bar Nut is a replacement hardware set made for a wide range of Stihl chainsaw models. It is intended to replace lost or damaged bar nuts and uses the Stihl part number 0000 955 0804 for reference.

Performance & Key Features: This set is designed for practical maintenance, especially when a chainsaw bar nut needs a quick replacement to keep the bar secured properly. The package includes 6 pieces, which is helpful for users who service multiple saws or want spares on hand. Compatibility covers many MS-series and older 0xx-series Stihl models, including popular homeowner and pro-use saws.

Drawbacks & Considerations: The main limitation is the need to confirm fit carefully, since compatibility is only guaranteed for the listed models. The product data does not provide dimensions or detailed material specifications, so buyers looking for exact hardware measurements may need to compare against their original part.

Verdict: This is a practical, budget-friendly replacement part for Stihl owners, DIY users, and small repair shops that need a bar nut with broad model support. It is best suited to buyers who already know the correct part number or have verified compatibility with their chainsaw.

Overview & Design: The Hipa 0000 955 0804 sprocket cover bar nut set is a replacement hardware pack designed for many STIHL chainsaw models. The pack includes 6 metal bar nuts intended to replace lost, worn, or damaged nuts used to secure the sprocket cover and guide bar area.

Performance & Key Features: In real-world chainsaw maintenance, bar nuts are small but essential parts because they help keep the bar assembly properly fastened. This set is especially useful for users servicing compatible STIHL saws such as MS170, MS180, MS250, MS271, MS290, MS391, MS460, MS660, and many older 017, 018, 021, 025, 026, 029, 036, 044, and 066 models.

Drawbacks & Considerations: Buyers should confirm that their chainsaw uses replacement part number 0000 955 0804 before ordering. The package includes only 6 bar nuts, so it does not replace the sprocket cover, guide bar, chain, studs, or other hardware. The provided product data also does not list thread size or dimensions.

Verdict: The Hipa 0000 955 0804 6-pack is a practical maintenance item for STIHL chainsaw owners, farm users, and DIY outdoor equipment repairers who want spare sprocket cover bar nuts on hand. It offers the most value to users who already know their saw is compatible and need simple replacement hardware for routine service.