You want a gas cap that stops leaks, limits fumes, and keeps your mower running smoothly. Choose from trusted options like Briggs & Stratton replacements 799585/594061, vented caps for steady fuel flow, and Maxpower 334245 universal 2-1/4″ caps.
Consider Husqvarna OEM 584248702, tethered kits from DVPARTS or KIPA with O-rings, and RXALASKA fits for EXi engines.
Pick vented versus nonvented based on your model, check materials and seals, and watch warranties and tethers for long-lasting performance.
| Fuel Tank Gas Cap Replacement for B&S Mowers |
| Best Fitment | Compatibility: Briggs & Stratton 550E/550EX/625E/675EX/725EX; Troy-Bilt, MTD, Yard Machines, Bolens, Toro TimeMaster, Craftsman pressure washer (lists engines/equipment) | Material / Construction: Polyamide plastic (engineered plastic) | Vented / Pressure Feature: Implied (standard cap for fuel tanks; typical venting mentioned as preventing failures) | VIEW LATEST PRICE | Read Our Analysis |
| Vented Fuel Gas Tank Cap for Lawn Mowers |
| Wide Compatibility | Compatibility: Multiple OEMs — MTD, Craftsman, Toro, Cub Cadet, Gravely, Murray, Husqvarna, Snapper, Club Car, Honda (cross-fit list) | Material / Construction: Plastic (OEM-quality vented cap) | Vented / Pressure Feature: Vented fuel tank cap (explicit) | VIEW LATEST PRICE | Read Our Analysis |
| Gas Cap Compatible with Honda Lawn Mower Engines |
| Honda-Specific Pick | Compatibility: Honda engines GC135/GC160/GC190, GCV135/160/190, GX100, GXV160 (Honda engine list) | Material / Construction: Durable plastic (new replacement cap) | Vented / Pressure Feature: Standard gas cap (implied venting for engine use) | VIEW LATEST PRICE | Read Our Analysis |
| Lawn Mower Fuel Cap for B&S 550/625/675/725 |
| Exact Replacement | Compatibility: Briggs & Stratton 550E/550EX/625E/675EX/725EX (B&S series models) | Material / Construction: Plastic (standard lightweight gas cap) | Vented / Pressure Feature: Standard lawn mower fuel cap (screw-on; implied venting/function) | VIEW LATEST PRICE | Read Our Analysis |
| Maxpower 334245 2-1/4″ Universal Tractor Gas Cap |
| Universal Size | Compatibility: Universal 2-1/4″ fit — replaces B&S, Snapper, MTD, Husqvarna/Craftsman OEM numbers (wide OEM cross-fit) | Material / Construction: Plastic (universal plastic cap) | Vented / Pressure Feature: Universal gas cap for fuel tanks (fits vented applications; 2-1/4″ common size) | VIEW LATEST PRICE | Read Our Analysis |
| KIPA Gas Fuel Tank Cap for Lawn Mower (2-Pack) |
| Best Value Pack | Compatibility: Briggs 675Exi/725Exi; Toro TB230; replaces Briggs 594061 (engine/model compatibility) | Material / Construction: Sturdy/tough prime materials (plastic) | Vented / Pressure Feature: Vented fuel cap (explicit; prevents vacuum formation) | VIEW LATEST PRICE | Read Our Analysis |
| Fuel Tank Cap for B&S Toro Craftsman Lawn Mowers |
| Secure Seal | Compatibility: B&S, Toro, Craftsman lawn mowers (general B&S/Toro/Craftsman compatibility) | Material / Construction: Plastic (includes O-ring/tether) | Vented / Pressure Feature: Fuel tank cap (includes O-ring/tether; intended to seal/vent correctly) | VIEW LATEST PRICE | Read Our Analysis |
| Husqvarna OEM Lawn Mower Fuel Tank Cap |
| OEM Quality | Compatibility: Specific Husqvarna models (GT, GTH, YT, YTH, TS series) — OEM Husqvarna fit | Material / Construction: OEM plastic (Husqvarna genuine part) | Vented / Pressure Feature: OEM fuel tank cap (designed to meet Husqvarna vent/seal specs) | VIEW LATEST PRICE | Read Our Analysis |
| Lawn Mower Gas Fuel Cap Compatible Models |
| Engine-Matched | Compatibility: Fits engines 675EXi/725EXi; replaces 594061 and B&S 799585/799684 (engine-based fit) | Material / Construction: High-quality plastic | Vented / Pressure Feature: Fuel cap for preventing leakage/engine fuel protection (implied vent/seal) | VIEW LATEST PRICE | Read Our Analysis |
| Fuel Tank Cap for Briggs & Stratton Craftsman Mowers |
| Complete Kit | Compatibility: B&S series engines; replaces 594061, 84004416, 597414; fits various mower models depending on engine | Material / Construction: Plastic (replacement cap with O-rings/tether) | Vented / Pressure Feature: Fuel tank cap for B&S engines (includes O-rings/tether to maintain seal/pressure) | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Fuel Tank Gas Cap Replacement for B&S Mowers
Should you own a mower with a Briggs & Stratton 550 or 550EX series engine, the Fuel Tank Gas Cap 799585 is a smart, reliable choice that’ll keep you mowing without worry. You’ll find it fits many B&S engines and popular mower brands, so you won’t guess compatibility. It’s made of strong polyamide plastic, so it handles heat, chemicals, and wear with ease. You’ll like its light weight and small size because you can swap it fast and carry a spare. Replacing a worn cap prevents leaks and costly repairs, keeps fuel fresh, and helps your mower run smoothly.
- Compatibility:Briggs & Stratton 550E/550EX/625E/675EX/725EX; Troy-Bilt, MTD, Yard Machines, Bolens, Toro TimeMaster, Craftsman pressure washer (lists engines/equipment)
- Material / Construction:Polyamide plastic (engineered plastic)
- Vented / Pressure Feature:Implied (standard cap for fuel tanks; typical venting mentioned as preventing failures)
- Seal / O-ring Included:Implied proper sealing (prevents failures; replacement improves seal)
- Tether / Anti-loss:Small/lightweight; easy to carry — tether not explicitly stated
- Replacement / OEM Part Numbers:799585; replaces 799684; referenced 591003
- Additional Feature:Polyamide high strength
- Additional Feature:Heat/chemical resistant
- Additional Feature:Lightweight portable design
Vented Fuel Gas Tank Cap for Lawn Mowers
In case you want a simple, reliable fix that keeps your lawn mower running smoothly, the vented fuel gas tank cap is the best choice because it balances pressure inside the tank so your engine gets steady fuel flow. You’ll like how the Fuel Gas Tank Cap Vented fits many brands like MTD, Craftsman, Toro, Cub Cadet, Husqvarna, and Honda. It measures 2-1/4 inches inner diameter and replaces many OEM part numbers for an easy swap. You can buy with confidence since returns are free for three months and replacements come within one year. Install it quickly and enjoy steady starting.
- Compatibility:Multiple OEMs — MTD, Craftsman, Toro, Cub Cadet, Gravely, Murray, Husqvarna, Snapper, Club Car, Honda (cross-fit list)
- Material / Construction:Plastic (OEM-quality vented cap)
- Vented / Pressure Feature:Vented fuel tank cap (explicit)
- Seal / O-ring Included:OEM-quality replacement (implies seal fit; dimensions given)
- Tether / Anti-loss:Replacement cap (no tether mentioned)
- Replacement / OEM Part Numbers:Multiple part numbers (751-10049, 751-3071, 751-3111P, 951-0634, 951-3111, 751-0603A/B, 673822, Stens 125-384, etc.)
- Additional Feature:2-1/4″ inner diameter
- Additional Feature:Wide OEM cross‑fit list
- Additional Feature:1-year replacement warranty
Gas Cap Compatible with Honda Lawn Mower Engines
You’ll love this DVPARTS gas cap provided you want a simple, durable replacement that fits many Honda mower engines and keeps your mower running reliably. You’ll feel secure conscious it matches part numbers like 17620-ZL8-003 and 951-10300, so installation is fast and painless. It fits GC and GCV series and GX models, so you won’t worry about compatibility. The cap is new, sturdy, and easy to use, and it comes with a 12 month warranty that comforts you in case issues pop up. You’ll appreciate the solid fit, clear labeling, and friendly support from DVPARTS.
- Compatibility:Honda engines GC135/GC160/GC190, GCV135/160/190, GX100, GXV160 (Honda engine list)
- Material / Construction:Durable plastic (new replacement cap)
- Vented / Pressure Feature:Standard gas cap (implied venting for engine use)
- Seal / O-ring Included:New replacement cap (durable fit — implied sealing)
- Tether / Anti-loss:No tether mentioned
- Replacement / OEM Part Numbers:Compatible with Honda 17620-ZL8-003/013/023/073, 951-10300, SPM209370241, 17620-268-013, 125436
- Additional Feature:Honda OEM cross‑numbers
- Additional Feature:12-month warranty
- Additional Feature:New condition listing
Lawn Mower Fuel Cap for B&S 550/625/675/725
Assuming you want a simple, reliable replacement that fits Briggs and Stratton engines without fuss, this Lawn Mower Gas Cap is a great choice for owners of 550E, 550EX, 625E, 675EX, and 725EX models. You’ll find it matches part numbers 799585 and 799684, so it slips on easily and screws tight to your tank. It’s small, light, and portable, which helps reduce fuel spills and worries. The maker backs fit and quality, and sellers ask you to reach out provided anything’s wrong. You’ll like the straightforward install and the peace of mind it brings.
- Compatibility:Briggs & Stratton 550E/550EX/625E/675EX/725EX (B&S series models)
- Material / Construction:Plastic (standard lightweight gas cap)
- Vented / Pressure Feature:Standard lawn mower fuel cap (screw-on; implied venting/function)
- Seal / O-ring Included:Direct screw-on replacement (fit/seal assurance)
- Tether / Anti-loss:No tether mentioned
- Replacement / OEM Part Numbers:799585; replaces 799684
- Additional Feature:Direct screw-on fit
- Additional Feature:Marketed fit guarantee
- Additional Feature:Reduces cap‑related accidents
Maxpower 334245 2-1/4″ Universal Tractor Gas Cap
Should you want a dependable, ready-fit replacement for many tractors and lawn mowers, the Maxpower 334245 2-1/4 inch universal tractor gas cap is a smart pick that makes maintenance simple and worry-free. You’ll find it’s made of durable plastic and built to meet or exceed OEM specs, so it fits tight and resists wear. It replaces many common part numbers from Briggs & Stratton, Snapper, MTD, Husqvarna, and Craftsman, so you won’t panic about compatibility. Whenever you maintain your mower, this cap slips on easily, seals well, and keeps fuel clean. You’ll appreciate the calm certainty it brings.
- Compatibility:Universal 2-1/4″ fit — replaces B&S, Snapper, MTD, Husqvarna/Craftsman OEM numbers (wide OEM cross-fit)
- Material / Construction:Plastic (universal plastic cap)
- Vented / Pressure Feature:Universal gas cap for fuel tanks (fits vented applications; 2-1/4″ common size)
- Seal / O-ring Included:Meets/exceeds OEM (implies proper sealing for 2-1/4″ tanks)
- Tether / Anti-loss:Universal cap (no tether mentioned)
- Replacement / OEM Part Numbers:Replaces B&S 493988; Snapper 12515/19378/14363; MTD 7510603A/B; Husqvarna/Craftsman OEM numbers listed
- Additional Feature:Universal 2.25″ size
- Additional Feature:Exceeds OEM specs
- Additional Feature:Broad OEM replacements
KIPA Gas Fuel Tank Cap for Lawn Mower (2-Pack)
Should you want a gas cap that’s built to last and won’t wander off, the KIPA Gas Fuel Tank Cap 2-pack fits the bill for owners of Briggs and TB230-powered mowers. You’ll like the attached tether because it stops losing caps in grass. The vented design keeps fuel flowing by preventing vacuum in the line, and the proper O-ring seals against leaks and fumes. The anti-spin shape resists loosening whenever low branches brush past. Made from tough materials, these caps protect fuel from dirt and keep pressure stable even on hills. Match sizes to your tank for reliable performance.
- Compatibility:Briggs 675Exi/725Exi; Toro TB230; replaces Briggs 594061 (engine/model compatibility)
- Material / Construction:Sturdy/tough prime materials (plastic)
- Vented / Pressure Feature:Vented fuel cap (explicit; prevents vacuum formation)
- Seal / O-ring Included:Proper O-ring sealing included (explicit)
- Tether / Anti-loss:Tether attached to prevent loss (explicit)
- Replacement / OEM Part Numbers:Replaces Briggs 594061; Toro M#21465; MPN replace for Briggs #594061
- Additional Feature:Includes tether (attached)
- Additional Feature:Anti-spin design
- Additional Feature:Pack of two
Fuel Tank Cap for B&S Toro Craftsman Lawn Mowers
In case you own a Briggs and Stratton or Toro powered Craftsman mower and you want a simple, reliable fix, this 594061 fuel tank cap is built for you. You’ll get one cap, an O-ring, and a tether that keeps the cap close so you won’t lose it. It replaces worn or cracked caps and fixes stripped threads so your tank seals properly. For an even snugger fit, add a thin gasket during install. The parts fit common B&S Toro and Craftsman models, and installing it is quick. You’ll feel relieved, confident fuel won’t leak or evaporate anymore.
- Compatibility:B&S, Toro, Craftsman lawn mowers (general B&S/Toro/Craftsman compatibility)
- Material / Construction:Plastic (includes O-ring/tether)
- Vented / Pressure Feature:Fuel tank cap (includes O-ring/tether; intended to seal/vent correctly)
- Seal / O-ring Included:Includes O-ring (explicit)
- Tether / Anti-loss:Includes tether to attach cap to engine (explicit)
- Replacement / OEM Part Numbers:Part number 594061 (replacement for various B&S/Toro/Craftsman)
- Additional Feature:Includes tether + O‑ring
- Additional Feature:Single set packaging
- Additional Feature:Replaces worn/stripped threads
Husqvarna OEM Lawn Mower Fuel Tank Cap
You’ll appreciate the Husqvarna 584248702 fuel tank cap should you want a hassle-free replacement that fits your mower exactly and keeps gas where it belongs. You’ll like that it’s a genuine OEM piece made for gasoline systems, so you won’t guess about fit or function. It snaps on securely, seals tight, and reduces spills while keeping debris out. You can use it on many zero-turns, garden tractors, walk-behinds, and even some trimmers listed by model. Once you install it, you’ll feel relief understanding the part matches Husqvarna specs and will work without fuss.
- Compatibility:Specific Husqvarna models (GT, GTH, YT, YTH, TS series) — OEM Husqvarna fit
- Material / Construction:OEM plastic (Husqvarna genuine part)
- Vented / Pressure Feature:OEM fuel tank cap (designed to meet Husqvarna vent/seal specs)
- Seal / O-ring Included:OEM cap (meets manufacturer seal specifications)
- Tether / Anti-loss:OEM cap (tether not specified)
- Replacement / OEM Part Numbers:OEM part 584248702 (Husqvarna)
- Additional Feature:Genuine OEM part
- Additional Feature:Model-specific fit list
- Additional Feature:Guaranteed Husqvarna compatibility
Lawn Mower Gas Fuel Cap Compatible Models
Whenever you want a straightforward replacement that fits for engine, the RXALASKA lawn mower gas cap is a great choice for owners of Briggs and Stratton 675EXi and 725EXi engines. You’ll find part number 594061 listed as the replacement, and it matches B and S numbers 799585 and 799684. Check your engine model initially, because compatibility follows the engine, not the mower. The cap fits m230 and m110 styles, comes as one piece, and snaps on easily for quick swap outs. Made of durable plastic, it stops leaks and shields the fuel system, and RXALASKA offers support should you need help.
- Compatibility:Fits engines 675EXi/725EXi; replaces 594061 and B&S 799585/799684 (engine-based fit)
- Material / Construction:High-quality plastic
- Vented / Pressure Feature:Fuel cap for preventing leakage/engine fuel protection (implied vent/seal)
- Seal / O-ring Included:Prevents fuel leakage (explicit; high-quality plastic seal)
- Tether / Anti-loss:Single piece; no tether explicitly listed (sold by RXALASKA)
- Replacement / OEM Part Numbers:Part 594061; compatible with B&S 799585/799684
- Additional Feature:Brand: RXALASKA
- Additional Feature:Single-piece supply
- Additional Feature:Engine-model based fit
Fuel Tank Cap for Briggs & Stratton Craftsman Mowers
Choose this fuel tank cap should you want a simple, reliable fix for Briggs and Stratton engines used in Craftsman mowers, because it’s made to match specific engine model numbers rather than mower names. You’ll get part 594061, two O rings, and a tether so the cap stays with the engine. It replaces old part numbers 84004416 and 597414, and it fits many B and S series engines on Craftsman and some Toro models if the engine matches. Before you buy, check your engine model number and confirm the cap part number for a proper seal and fit you can trust.
- Compatibility:B&S series engines; replaces 594061, 84004416, 597414; fits various mower models depending on engine
- Material / Construction:Plastic (replacement cap with O-rings/tether)
- Vented / Pressure Feature:Fuel tank cap for B&S engines (includes O-rings/tether to maintain seal/pressure)
- Seal / O-ring Included:Includes 2 x O-ring (explicit)
- Tether / Anti-loss:Includes tether to attach cap to engine (explicit)
- Replacement / OEM Part Numbers:594061; replaces 84004416, 597414 (B&S series compatibility)
- Additional Feature:Includes two O‑rings
- Additional Feature:Extra tether included
- Additional Feature:Replaces multiple B&S parts
Factors to Consider When Choosing Lawn Mower Gas Caps
As you pick a gas cap, start at checking fit and compatibility so it seals right and works with your mower. Consider vented versus non‑vented, plus material and durability, because those choices affect performance and how long the cap will last. Also pay attention to seal and O‑ring quality and tether or anti‑loss features since they stop leaks and keep you from losing the cap while you work.
Fit And Compatibility
Even though the cap looks close in size, you’ll want to check the exact diameter and attachment style so it seals and locks right away. To start, measure the outer or inner diameter, since common sizes include 2-1/4 inch or 57 mm, and mismatched threads won’t engage. Next, match the cap part number to your engine or fuel tank model instead of the mower brand, because many caps are engine specific. Also confirm the attachment method, whether screw-on, bayonet, or tethered, so it fits the tank fitting and stays secure. Check included sealing parts like O-rings or gaskets and their materials. These steps link sizing, attachment, and seals so you avoid leaks, vacuum issues, and annoying returns.
Vented Versus Non‑Vented
Start near considering about how air moves in and out of the fuel tank, because that small choice between a vented and a non‑vented gas cap can change how your mower runs. You’ll pick a vented cap whenever the engine needs air to replace used fuel. That prevents a vacuum that can make the engine sputter, lose power, or stall. On the other hand, you’ll pick a non‑vented sealed cap whenever the mower’s system relies on tank pressure or whenever you want to stop fuel smell and evaporation. In case you fit the wrong type you might cause leaks, evaporation, or upset pressure sensitive carburetor and emission parts. Also watch the vent itself. A clogged vent mimics a blocked fuel line and causes similar running problems. Always follow the manufacturer’s spec.
Material And Durability
You’ve just picked the right venting option, so now let’s look at what the cap itself is made of and how long it will last. You want high-strength engineering plastics like polyamides because they stand up to heat, fuel, and rough handling. Choose caps with reinforced threads and self-lubricating surfaces so turning stays smooth even after many uses. Look for anti-spin shapes and impact-resistant profiles to avoid cracking whenever you bump the mower. Durable tethers molded from the same material keep caps from snapping off and getting lost. Built-in vent valves should be corrosion resistant to stop vacuum and avoid clogging while limiting vapor loss. All these features combine to give you a cap that feels reliable and keeps your mower ready.
Seal And O‑Ring Quality
Whenever you lift the cap and smell fuel, you want a seal that’s quietly doing its job so you can get back to work without worry. You should choose O-rings made of fuel-resistant elastomers like Viton or nitrile so they don’t swell or crack whenever exposed to gasoline and ethanol blends. Pay attention to the seal lip shape and compression tolerance because those decide how well the cap stays airtight during vibration and temperature changes. Check hardness or durometer ratings; too soft and the ring deforms, too hard and it won’t conform to small imperfections. Prefer caps with multiple sealing features such as a primary O-ring plus a secondary gasket or raised flange for extra leak protection. Inspect and replace rings that show flattening, cuts, or brittleness after a few seasons.
Tether And Anti‑Loss Features
Losing a gas cap is annoying, so a good tether keeps it close and saves you time and worry. Whenever you refuel, a tether stops the cap from falling or getting misplaced by fastening it to the mower or engine. Choose tethers that are molded loops or flexible straps and pick a length that lets you reach the filler neck without touching moving parts. Look for rubber, plastic, or nylon that resists fuel, sun damage, and wear so the tether lasts. Check that the attachment point and cap connector are strong, like snap-in or threaded retainers, so vibration won’t pull them loose. Make sure the tether doesn’t affect the seal or give leverage that could loosen the cap while you run the mower.
Warranty And Return Policy
Because a gas cap is small but essential, you should check the warranty and return policy before you buy so you won’t be stuck in case something goes wrong. Look at the length of coverage since some parts have 30 days and others go up to 12 months. Also confirm what the warranty covers beyond manufacturing flaws. For example, make sure it includes vent failure, tether breakage, and sealing or O‑ring problems. Check the return window and any restocking or return shipping fees that could cost you extra. Verify required documentation like proof of purchase, photos, and part number, and whether the seller offers replacement, repair, or refund. Finally see whether misuse, improper installation, or fuel contamination are excluded and make certain extended coverage is available.
