Fuse Blocks & Fuses
Showing 1–12 of 111 results
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Sale!
![Blue Sea 5001 Fuse Block MEGA 100-300A w/Cover [5001]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5001-fuse-block-mega-100-300a-w-cover-5001.webp)
Fuse Blocks & FusesBlue Sea 5001 Fuse Block MEGA 100-300A w/Cover [5001]
Original price was: $27.92.$14.71Current price is: $14.71. Add to cart -
Sale!
![Blue Sea 5005 ANL 35-300AMP Fuse Block w/Cover [5005]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5005-anl-35-300amp-fuse-block-w-cover-5005.webp)
Fuse Blocks & FusesBlue Sea 5005 ANL 35-300AMP Fuse Block w/Cover [5005]
Original price was: $30.79.$15.50Current price is: $15.50. Add to cart -
Sale!
![Blue Sea 5007100 Class T Fuse Block w/Insulating Cover - 110 to 200A [5007100]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5007100-class-t-fuse-block-w-insulating-cover-110-200a-5007100.webp)
Fuse Blocks & FusesBlue Sea 5007100 Class T Fuse Block w/Insulating Cover – 110 to 200A [5007100]
Original price was: $74.26.$50.62Current price is: $50.62. Add to cart -
Sale!
![Blue Sea 5015 ST Glass Fuse Block w/Negative Bus [5015]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5015-st-glass-fuse-block-w-negative-bus-5015.webp)
Fuse Blocks & FusesBlue Sea 5015 ST Glass Fuse Block w/Negative Bus [5015]
Original price was: $49.48.$30.50Current price is: $30.50. Add to cart -
Sale!
![Blue Sea 5018 ST Glass Fuse Block w/out Negative Bus - 6 Circuit [5018]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5018-st-glass-fuse-block-w-out-negative-bus-6-circuit-5018.webp)
Fuse Blocks & FusesBlue Sea 5018 ST Glass Fuse Block w/out Negative Bus – 6 Circuit [5018]
Original price was: $42.06.$29.09Current price is: $29.09. Add to cart -
Sale!
![Blue Sea 5021 Water Resistant Fuse Holder [5021]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5021-water-resistant-fuse-holder-5021.webp)
Fuse Blocks & FusesBlue Sea 5021 Water Resistant Fuse Holder [5021]
Original price was: $6.43.$3.99Current price is: $3.99. Add to cart -
Sale!
![Blue Sea 5029 ST Blade Fuse Block w/Cover - 12 Circuit w/o Negative Bus [5029]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5029-st-blade-fuse-block-w-cover-12-circuit-w-o-negative-bus-5029.webp)
Fuse Blocks & FusesBlue Sea 5029 ST Blade Fuse Block w/Cover – 12 Circuit w/o Negative Bus [5029]
Original price was: $49.62.$27.57Current price is: $27.57. Add to cart -
Sale!
![Blue Sea 5030 ST Blade Fuse Block w/o Cover - 6 Circuit w/Negative Bus [5030]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5030-st-blade-fuse-block-w-o-cover-6-circuit-w-negative-bus-5030.webp)
Fuse Blocks & FusesBlue Sea 5030 ST Blade Fuse Block w/o Cover – 6 Circuit w/Negative Bus [5030]
Original price was: $50.18.$39.56Current price is: $39.56. Add to cart -
Sale!
![Blue Sea 5031 ST Blade Fuse Block w/o Cover - 12 Circuit w/Negative Bus [5031]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5031-st-blade-fuse-block-w-o-cover-12-circuit-w-negative-bus-5031.webp)
Fuse Blocks & FusesBlue Sea 5031 ST Blade Fuse Block w/o Cover – 12 Circuit w/Negative Bus [5031]
Original price was: $63.62.$34.50Current price is: $34.50. Add to cart -
Sale!
![Blue Sea 5033 ST Blade Fuse Block w/out Cover - 6 Circuit w/out Negative Bus [5033]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5033-st-blade-fuse-block-w-out-cover-6-circuit-w-out-negative-bus-5033.webp)
Fuse Blocks & FusesBlue Sea 5033 ST Blade Fuse Block w/out Cover – 6 Circuit w/out Negative Bus [5033]
Original price was: $43.53.$25.61Current price is: $25.61. Add to cart -
Sale!
![Blue Sea 5034 ST Blade Fuse Block w/out Cover - 12 Circuit w/out Negative Bus [5034]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5034-st-blade-fuse-block-w-out-cover-12-circuit-w-out-negative-bus-5034.webp)
Fuse Blocks & FusesBlue Sea 5034 ST Blade Fuse Block w/out Cover – 12 Circuit w/out Negative Bus [5034]
Original price was: $56.90.$28.79Current price is: $28.79. Add to cart -
Sale!
![Blue Sea 5035 ST Blade Fuse Block w/Cover - 6 Circuit Independent w/o Negative Bus [5035]](https://www.marineenginebay.com/wp-content/uploads/2026/11/blue-sea-5035-st-blade-fuse-block-w-cover-6-circuit-independent-w-o-negative-bus.webp)
Fuse Blocks & FusesBlue Sea 5035 ST Blade Fuse Block w/Cover – 6 Circuit Independent w/o Negative Bus [5035]
Original price was: $38.56.$30.21Current price is: $30.21. Add to cart