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10 Best locking diesel fuel caps of 2026
Save up to 11% off
Best Choice1
Misakomo2 Sets Semi Truck Locking Fuel Cap Cover Diesel Zinc Fuel Tank Cap Cover Compatible with Freightliner, Sterling and Western Star Class 8 Trucks
9.7Exceptional
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Careful review Our team ensures quality, value, and fit based on real user feedback
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Value for Money2
DOCADOCA Diesel cap for Dodge, for 2019-2025 Dodge Ram Truck 1500 2500 3500-Green
9.5Excellent
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3
LLNSEAUTO10591D Locking Diesel Fuel Cap Gas Cap Fuel Tank Caps Fit for Chevy Silverado Express C3500 K3500, Dodge Ram 3500 W350 D350, Ford F-250 E-350, GMC Sierra Savana, OE # 9MGC791, MGC791, 10591
9.4Excellent
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4
MotoRadKeyed Alike Locking Fuel Cap
9.3Excellent
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5
ROVIKE10591D Locking Diesel Fuel Cap For Chevy Dodge Ford GMC Buick Cadillac Jeep Lincoln Mercury Oldsmobile Pontiac Volvo - Silverado 2500 3500 Express Suburban F250 F350 F450 F550 E450 E550 Savana Sierra
9.2Excellent
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6
LANDSIN10591D Locking Fuel Gas Cap For Diesel Trucks Fuel Tank Fit for Chevrolet Dodge Ford GMC Etc Car Fuel Cap
Key specs-
country:China
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color:Green
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material:Rubber, ABS
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exterior:Chrome
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package dimensions:3.27 x 3.07 x 2.68 inches
9.1Excellent
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7
MotoRadStant Diesel Only Locking Fuel Cap, Green
8.9Very Good
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8
MotoRadMotoRad MGC-502 Locking Fuel Cap - Ford F-250 Super Duty (09-21) F-350 Super Duty (09-21) E-350 Super Duty (04-10) E-350 Club Wagon (04-05) E-450 Super Duty (05-10) F-450 Super Duty (09-21)
11% Off8.8Very Good
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9
HEMRUNK10591D Locking Diesel Fuel Cap for Che-vy C2500 C3500 Do-dge D250 D350 F-ord F250 F350 G-MC C3500 K3500 Locking Gas Cap Replacement 9MGC791 MGC791
8.7Very Good
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10
QODOLSIQODOLSI Pack-1 Car Fuel Cap with Keys, Durable Locking Gas Cap Replacement Compatible with Silverado Express C3500 K3500 Dodge Ram 3500 W350 D350 Ford F-250 E-350 GMC Sierra Savannah (Green)
8.6Very Good
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