Amazon: 40 amp fuses Amazon: 40 amp fuses. AHL 100pcs Auto Motorcycle Car Boat Truck Blade Fuse Box Assortment 5A 7 10A 15A 20A 25A 30A 35A 40A 50A. 4.5 out of 5 stars 55. $7 $ 7. 09. Baomain ANL Fuse 40 Amp 40A ANL-40 for Car Vehicles Audio System Sheet Gold Tone 3 40 Amp Fuse for sale | eBay A pack of 30 piece -- 40 Amp ATC Fuse Blade Style 40A Automotive Car Truck ATC BLADE FUSE 40 AMP 30 PCS/BAG. Each fuse is printed with the Rated Current in Amperes on the top. Very often there is more than one part available per application as auto makers often switch midyear.