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Updated: 06 Apr 2026

10 Best Lawn Mower Gas Caps

#1 Best Pick
eMagTech 2Pcs Lawnmower Fuel Tank Cap 411919 Replacement Part Fuel Cap Compatible with AL-KO Motor PRO 140/QSS OHV/PRO 160/QSS OHV Lawn Mower

eMagTech 2Pcs Lawnmower Fuel Tank Cap 411919 Replacement Part Fuel Cap Compatible with AL-KO Motor PRO 140/QSS OHV/PRO 160/QSS OHV Lawn Mower

Brand: eMagTech
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  • Reference OE/OEM Number: 411919,170870094-0001, 1708700940001,118550339/0,1185503390. Outer diameter: 58mm; Inner diameter: 42.5mm.
  • Compatible with AL-KO motor PRO 140/QSS OHV/PRO 160/QSS OHV lawn mower. Compatible with Loncin LC 1P61 FA, LC 1P65 FA, LC 1P68 FA, LC 1P70 F, LC 1P70 FA, LC 1P75F.
  • Durable Construction: Made from robust materials, these caps are resistant to wear and tear, providing reliable performance in various weather conditions and during regular use.
  • Secure Fit: Engineered to provide a snug and secure fit, these caps help prevent fuel leaks and ensure that your lawn mower operates efficiently and safely.
  • Easy Installation: Quick and hassle-free installation means you can get back to mowing without delay. No special tools are requiredsimply twist on for a secure fit.
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#2 Best Value
Create idea 2PCS Lawn Mowers Fuel Cap Plastic 43mm Internal Thread Fuel Tank Cover OE 5911240031 Compatible with Sheppach MS139-42 MS161-46

Create idea 2PCS Lawn Mowers Fuel Cap Plastic 43mm Internal Thread Fuel Tank Cover OE 5911240031 Compatible with Sheppach MS139-42 MS161-46

Brand: Create idea
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  • Compatibility: This fuel tank cap is designed to be compatible with Sheppach MS 139-42 and MS 161-46 lawn mowers, ensuring a perfect fit and reliable performance.
  • OEM Reference: Replaces OEM part number 5911240031, making it a direct replacement for the original fuel tank cap.
  • Dimensions: The cap has an outer diameter of 60mm, an inner thread diameter of 43mm, and a height of 24.5mm, providing a secure and snug fit on the fuel tank.
  • Material: Constructed from durable plastic, this fuel tank cap is resistant to wear and tear, ensuring long-lasting use in various weather conditions.
  • Packaging: The package includes 2 fuel tank caps, offering convenience for maintenance and ensuring you have a spare on hand when needed.
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#3 Budget Pick
LPZMPZ Fuel Cap for Lawn Mower Tractor Compatible with HusqvarnaToro MTD Briggs & Stratton Cub Cadet Kohler Bobcat Fuel Cap Lawn Mower Replacement 01538400 Gas Fuel Cap 57 mm

LPZMPZ Fuel Cap for Lawn Mower Tractor Compatible with HusqvarnaToro MTD Briggs & Stratton Cub Cadet Kohler Bobcat Fuel Cap Lawn Mower Replacement 01538400 Gas Fuel Cap 57 mm

Brand: LPZMPZ
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  • Excellent quality: the lawn mower fuel cap 57 mm is made of high-quality ABS material, provides stable performance, high reliability and a long service life. It fits perfectly with the lawnmower
  • COMPATIBILITY: The Lawnmower Gas Tank Cap 57mm is compatible with Ariens Mini Zoom, Sport Zoom, EZR and HVZ; Club Car Carryall 294 XRT 1500 (2004-2006); Exmark Viking, Explorer, Lazer Z, Metro, Turf Ranger, Turf Tracer as well as the 300 Series; MTD Riders
  • Reference part number: this replacement fuel cap lawn mower 57 mm. One lawn mower has the OE numbers: 539914363, 751-0603B, AM104032, AM107344, AM118637, GX22166, 112-0321, 112-6120, 1. -5135 08, 751-0603A, 751-0603B, 751-10049, 751-3071, 751-3111, 751-3111P, 951-3111, 01538400, 280479, 397975, 4939. 888, 49, 3988S, 694261, 792647, 794880B, 795027, 751-0403A
  • PERFECT REPLACEMENT ACCESSORIES The compatible with Bobcat fuel cap manufactured in strict accordance with OEM standards and has a strong sealing function to prevent fuel leakage. It can also prevent dirt and moisture from entering and contaminating the fuel, keeping the fuel clean
  • Easy to Install The compatible with MTD fuel cap cover is easy to install, can be mounted without additional tools and perfectly matches the original engines
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#4 Top Choice
2pcs Fuel Cap 594061, Efficient Fuel Locking Gas Cap Fit for Lawn Mower Briggs and Stratton WTether 675Exi, 725Exi Series, Engine Lawn Mower with Tether Fuel Cover

2pcs Fuel Cap 594061, Efficient Fuel Locking Gas Cap Fit for Lawn Mower Briggs and Stratton WTether 675Exi, 725Exi Series, Engine Lawn Mower with Tether Fuel Cover

Brand: Cryfokt
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  • [Optimal Product Performance] Exquisite craftsmanship enhances performance, extends machine lifespan, ensures stability, and compatibility.
  • [Versatile Application] Prevents debris and moisture in the oil system, ensuring fuel cleanliness at home, repair shops, and more.
  • [Efficient Fuel Locking] The fuel cover securely locks the fuel filler port, preventing fuel leakage, saving fuel, and reducing emissions.
  • Abs Material] The fuel cover is constructed from abs material, ensuring long-term use without easy wear and tear.
  • [Portable Design] Compact and lightweight for easy carrying and storage, ideal for on-the-go use in various settings.
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#5 Popular Choice
Briny River 2Pcs Lawn Mower Fuel Tank Cap 493982S 497929S Compatible with Briggs & Stratton

Briny River 2Pcs Lawn Mower Fuel Tank Cap 493982S 497929S Compatible with Briggs & Stratton

Brand: Briny River
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  • Compatible with Briggs & Stratton.
  • The number is 298425 493982S 497929S, please check carefully.
  • Each fuel tank cap is equipped with a high elastic sealing gasket to effectively prevent fuel leakage and enhance sealing performance.
  • Standard thread interface design, easy to replace without tools, user-friendly, saving maintenance time.
  • Contains 2 fuel tank caps + 2 gaskets, suitable for replacement and spare, to meet the needs of multiple equipment or long-term maintenance.
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#6 Top Pick
eMagTech 2Pcs Fuel Tank Caps Replacement 17620-ZL8-003 17620-ZL8-023 17620-ZL8-013 Compatible with GC135 CG160 GC190 Plastic Fuel Tank Caps Lawn Mower Accessories

eMagTech 2Pcs Fuel Tank Caps Replacement 17620-ZL8-003 17620-ZL8-023 17620-ZL8-013 Compatible with GC135 CG160 GC190 Plastic Fuel Tank Caps Lawn Mower Accessories

Brand: eMagTech
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  • Fuel tank cap compatible with HONDA GC135, CG160, GC190, GCV135, GCV160, GCV190, GS190 GSV engines.
  • Lawn mower replacement fuel tank cap part number is 17620-ZL8-003,17620-ZL8-023 17620-ZL8-013.
  • Made of plastic, this tank cap is particularly resistant and is therefore an ideal spare part for your motorized garden tools.
  • Perfect replacement for the existing stock ones, replace the old or broken fuel cap.
  • Package includes 2 pieces fuel tank caps.
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#7 Top Pick
594061 Fuel Tank Cap for B&S Toro Craftsman Lawn Mower Gas Tank Caps Replacement

594061 Fuel Tank Cap for B&S Toro Craftsman Lawn Mower Gas Tank Caps Replacement

Brand: CUTE 4 U
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  • 594061 Fuel Tank Cap for B&S Lawn Mower Gas Tank Caps
  • Replaces for Replaces B&S 799585 799684 Fuel tank cap
  • Package list: 1x Fuel tank cap
  • This gas cap fit for Toro Craftsman Troybuilt mower with B&S 675exi 725exi series engines
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#8 Top Pick
eMagTech 2Pcs Fuel Tank Cap Replacement 397974 692046 Compatible with Briggs & Stratton Quantum Europa Lawn Mower Fuel Tank Cover Plastic

eMagTech 2Pcs Fuel Tank Cap Replacement 397974 692046 Compatible with Briggs & Stratton Quantum Europa Lawn Mower Fuel Tank Cover Plastic

Brand: eMagTech
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  • Fuel tank cap compatible with Briggs & Stratton Quantum Europa.
  • Lawn mower replacement fuel tank cap part number is 397974, 692046.
  • Made of plastic, this tank cap is particularly resistant and is therefore an ideal spare part for your motorized garden tools.
  • Perfect replacement for the existing stock ones, replace the old or broken fuel cap.
  • Package includes 2 pieces fuel tank caps.
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#9 Top Pick
Mower Fuel Cap, Lawn Mower Gas Cap Replacement Accessories, For Petrol Cap For Mower Engine Fuel Tank

Mower Fuel Cap, Lawn Mower Gas Cap Replacement Accessories, For Petrol Cap For Mower Engine Fuel Tank

Brand: CARMOTTER
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  • 【Durable and Practical】Made of high-quality material, this fuel cap is durable and practical to use, ensuring long-lasting performance.
  • 【Perfect Fit】Delicate and exquisite design, this fuel cap highly matches Fuxtec FX-RM 1630, 1855, 1860, 2055, 2060, and 2060PRO lawnmowers, providing a perfect fit.
  • 【Solid and Reliable】This fuel cap is solid and durable, offering a long service life, giving you peace of mind during extended use.
  • 【Easy to Install】The fuel cap is easy to install and reliable to use, allowing for convenient and hassle-free operation.
  • 【Wide Compatibility】Suitable for Fuxtec FX-RM 1855, FX-RM 1860, FX-RM 2055, FX-RM 2060, FX-RM 2060PRO, and FX-RM 1630 lawnmowers (models with T375, T475, and T575 engines), fitting 95% of the listed lawnmowers (except those with T675 engines).
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#10 Top Pick
Generic Fuel Cap for Lawn Mower Gx22166, for Lawn Tractors AM104032 AM118637

Generic Fuel Cap for Lawn Mower Gx22166, for Lawn Tractors AM104032 AM118637

Brand: Generic
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  • Sturdy and Reliable: Lawn Mower Gas Fuel Tank Cap is crafted from pp, designed to withstand daily wear and tear
  • Replacement Part Number: GX22166 mower fuel tank cap, replacement for AM104032, AM107344, and AM118637
  • Lawn Mower Replacement Part: This replacement fuel tank cap is designed to provide a tight seal, prevents fuel leaks and keeps dirts, and debris out of your fuel tank
  • Easy Installation: Lawn Mower Gas Cap installation is simple, just twist off your old cap and screw the new cap on for a secure mount
  • Wide Compatibility: Fits a wide range models for lawn tractors and mowers, for D160, for LA100-LA175), for L1742, L2048), for STX30, STX38. Please verify your specific model number before ordering
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