The Best Fuel Caps 2026

1. OTC Tools 6599 Fuel Tank Lock Ring Wrench

Features and Benefits: Universal design allows tool to fit fuel tank lock rings in Ford, Chrysler, and GM vehicles Tool easily removes and installs lock ring on the fuel tank when servicing the fuel pump or fuel sending unit Used with a 1/2 in. drive ratchet or breaker bar Works on 2004 - newer Ford F-150 trucks; 2004- newer Chrysler/Dodge mini-vans, PT Cruiser, Dakota, Durango; 2004 - newer Chevy 1/2 ton and 3/4 ton trucks. Universal design allows tool to fit fuel tank lock rings on Ford, Chrysler, and GM vehicles.Works on:2004 - newer Ford F-150 trucks. 2004 - newer Chrysler / Dodge mini-vans, PT Cruiser, Dakota, Durango. 2004 - newer Chevy 1/2-ton and 3/4-ton trucks. Tool easily removes and installs lock ring on the fuel tank when servicing the fuel pump or fuel sending unit. Used with a 1/2 in.; drive ratchet or breaker bar.

Universal design allows tool to fit fuel tank lock rings on Ford, Chrysler, and GM vehicles Works on 2004-newer Ford F-150 trucks, 2004-newer Chrysler/Dodge mini-vans, PT Cruiser, Dakota, Durango and 2004-newer Chevy 1/2-ton and 3/4-ton trucks Tool easily removes and installs lock ring on the fuel tank when servicing the fuel pump or fuel sending unit Used with a 1/2 in. drive ratchet or breaker bar

2. Briggs and Stratton Fuel Tank Cap

Genuine Briggs & Stratton replacement part for small gasoline engines. This OEM part ensures proper fit and performance to maintain the life of your Briggs & Stratton engine.

Briggs and Stratton Fuel Tank Cap

3. Briggs & Stratton 1-1/2 in. Gas Cap 5057K

Briggs & Stratton 5057K, pack of 1 (497929S) fuel tank cap. Used on select 3.5 and 3.75 HP Classic and Sprint Engines, as well as 4 HP Quattro and 450-600 Series engines, this OEM part ensures proper fit and performance to maintain the life of your Briggs & Stratton engine

Product Type: Gas Cap Product Compatibility: 3-4 HP Classic Diameter: 1-1/2 in. Brand Name: Briggs & Stratton

4. Briggs & Stratton Fresh Start Fuel Cap with 6-Month Cartridge

The Briggs and Stratton Fresh Start Fuel Cap with Cartridge keeps fuel fresh for up to six months. This package includes a replacement gas cap and one six-month cartridge.

Briggs & Stratton Fresh Start Fuel Cap with 6-Month Cartridge Fuel Freshness: Keeps fuel fresh for up to 6 months, ensuring optimal performance for your small engines Complete Kit: Includes both a replacement gas cap and a 6-month cartridge for convenient maintenance Easy Installation: Designed for straightforward installation, allowing you to quickly replace your old fuel cap Reliable Performance: Helps prevent fuel degradation, ensuring your equipment runs smoothly and efficiently Durable Design: Made with high-quality materials to withstand outdoor conditions and provide long-lasting use

5. Stant 11591 Locking Fuel Cap

Stant locking gas caps are OEM quality both in construction and materials as well as deterrent to fuel theft and vandalism. A gas/fuel cap performs three very important functions; safety of the vehicles occupants fuel economy and reduce emissions. Safety: Without a fuel cap gasoline vapors will be present around your car at all times. Those vapors can be ignited by a random spark or flame and are very dangerous if you are involved in an accident or rollover. Fuel Economy: According to Sun Oil Company research a vehicle with a missing or inoperative fuel cap will allow 176 pounds (22 gallons) of gasoline to evaporate over the period of one year. Emissions: Gasoline vapors emit hydrocarbons which dissolve the earths ozone layer and cause smog.

Stant locking gas caps are OEM quality both in construction and materials as well as deterrent to fuel theft and vandalism. A gas/fuel cap performs three very important functions; safety of the vehicles occupants fuel economy and reduce emissions. Safety: Without a fuel cap gasoline vapors will be present around your car at all times. Those vapors can be ignited by a random spark or flame and are very dangerous if you are involved in an accident or rollover. Fuel Economy: According to Sun Oil Company research a vehicle with a missing or inoperative fuel cap will allow 176 pounds (22 gallons) of gasoline to evaporate over the period of one year. Emissions: Gasoline vapors emit hydrocarbons which dissolve the earths ozone layer and cause smog.

6. Putco 402906

08-09 Ddg Ram 1500/25/35 Silver

Putco 402906 Fuel Tank Door Cover Fits 02-10 Dakota Ram 1500 Ram 2500 Ram 3500

7. TESTER ADAPTER

TESTER ADAPTER

TESTER ADAPTER

8. Fuel Cap Tester Adapter

Features and Benefits: Quick-On cap adapter for use on new OBDII GM quick-on fuel caps for 2004-1997

Quick On Cap Adapter For use on the new OBDII GM quick-on fuel caps Works with all Stant Fuel Cap Testers Check adapter application chart for specific makes and models Professional quality

9. Honda Universal Fuel Gas Cap

Honda Universal Fuel Gas Cap

Honda Universal Fuel Gas Cap

10. MaxPower Precision Parts 334225 Plastic Gas Cap for Briggs & Stratton Engines, Replaces OEM #397974

MaxPower's 334225 plastic gas cap for Briggs & Stratton Engines. Replaces OEM # 397974. This cap fits 3.5-5 hp Vertical, Max, and Quantum engines. All MaxPower product are manufactured to meet or exceed OEM specifications.

MaxPower Precision Parts 334225 Plastic Gas Cap for Briggs & Stratton Engines, Replaces OEM #397974 Plastic gas cap designed for Briggs & Stratton engines Replaces OEM # 397974 Compatible with 3.5-5 hp Vertical, Max, and Quantum engines Manufactured to meet or exceed OEM specifications