Sale!
![Blue Sea 5001 Fuse Block MEGA 100-300A w/Cover [5001]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5001-fuse-block-mega-100-300a-w-cover-5001.webp)
Blue Sea 5001 Fuse Block MEGA 100-300A w/Cover [5001]
Original price was: $33.59.$19.70Current price is: $19.70.
Sale!
![Blue Sea 5005 ANL 35-300AMP Fuse Block w/Cover [5005]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5005-anl-35-300amp-fuse-block-w-cover-5005.webp)
Blue Sea 5005 ANL 35-300AMP Fuse Block w/Cover [5005]
Original price was: $37.59.$26.09Current price is: $26.09.
Sale!
![Blue Sea 5015 ST Glass Fuse Block w/Negative Bus [5015]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5015-st-glass-fuse-block-w-negative-bus-5015.webp)
Blue Sea 5015 ST Glass Fuse Block w/Negative Bus [5015]
Original price was: $59.99.$39.21Current price is: $39.21.
Sale!
![Blue Sea 5018 ST Glass Fuse Block w/out Negative Bus - 6 Circuit [5018]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5018-st-glass-fuse-block-w-out-negative-bus-6-circuit-5018.webp)
Blue Sea 5018 ST Glass Fuse Block w/out Negative Bus – 6 Circuit [5018]
Original price was: $51.19.$26.96Current price is: $26.96.
Sale!
![Blue Sea 5021 Water Resistant Fuse Holder [5021]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5021-water-resistant-fuse-holder-5021.webp)
Blue Sea 5021 Water Resistant Fuse Holder [5021]
Original price was: $7.99.$4.23Current price is: $4.23.
Sale!
![Blue Sea 5029 ST Blade Fuse Block w/Cover - 12 Circuit w/o Negative Bus [5029]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5029-st-blade-fuse-block-w-cover-12-circuit-w-o-negative-bus-5029.webp)
Blue Sea 5029 ST Blade Fuse Block w/Cover – 12 Circuit w/o Negative Bus [5029]
Original price was: $59.99.$43.33Current price is: $43.33.
Sale!
![Blue Sea 5030 ST Blade Fuse Block w/o Cover - 6 Circuit w/Negative Bus [5030]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5030-st-blade-fuse-block-w-o-cover-6-circuit-w-negative-bus-5030.webp)
Blue Sea 5030 ST Blade Fuse Block w/o Cover – 6 Circuit w/Negative Bus [5030]
Original price was: $60.79.$44.97Current price is: $44.97.
Sale!
![Blue Sea 5031 ST Blade Fuse Block w/o Cover - 12 Circuit w/Negative Bus [5031]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5031-st-blade-fuse-block-w-o-cover-12-circuit-w-negative-bus-5031.webp)
Blue Sea 5031 ST Blade Fuse Block w/o Cover – 12 Circuit w/Negative Bus [5031]
Original price was: $76.79.$47.78Current price is: $47.78.
Sale!
![Blue Sea 5033 ST Blade Fuse Block w/out Cover - 6 Circuit w/out Negative Bus [5033]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5033-st-blade-fuse-block-w-out-cover-6-circuit-w-out-negative-bus-5033.webp)
Blue Sea 5033 ST Blade Fuse Block w/out Cover – 6 Circuit w/out Negative Bus [5033]
Original price was: $52.79.$32.68Current price is: $32.68.
Sale!
![Blue Sea 5034 ST Blade Fuse Block w/out Cover - 12 Circuit w/out Negative Bus [5034]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5034-st-blade-fuse-block-w-out-cover-12-circuit-w-out-negative-bus-5034.webp)
Blue Sea 5034 ST Blade Fuse Block w/out Cover – 12 Circuit w/out Negative Bus [5034]
Original price was: $68.79.$47.47Current price is: $47.47.
Sale!
![Blue Sea 5035 ST Blade Fuse Block w/Cover - 6 Circuit Independent w/o Negative Bus [5035]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5035-st-blade-fuse-block-w-cover-6-circuit-independent-w-o-negative-bus.webp)
Blue Sea 5035 ST Blade Fuse Block w/Cover – 6 Circuit Independent w/o Negative Bus [5035]
Original price was: $46.39.$23.27Current price is: $23.27.
Sale!
![Blue Sea 5060 Crimpable Inline Fuse Holder AGC MDL [5060]](https://www.nutcraftaccessories.com/wp-content/uploads/2026/10/blue-sea-5060-crimpable-inline-fuse-holder-agc-mdl-5060.webp)