Sierramarine Interlocking Modules Snap Together Fuse Block FS40420
Sierramarine Interlocking Modules Snap Together Fuse Block FS40420
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Sierramarine FS40420 Interlocking modules snap together
Sierra Marine products are engineered to surpass today’s high horsepower engine demands and stand up to the harsh marine environment. All marine products both meet or exceed the original equipment part it replaces. Sierra Marine are the leading supplier of marine engine and drive parts with over 50 year in business, offering 1,000’s of parts.
Features & Benefits
- 1/4 inch tin plated copper tab terminals
- Flame resistant reinforced polyester base
- Interlocking modules snap together
- Rated 30 ampere per circuit, 160 ampere total for block with ground bus bar
- Limited 2 year warranty
Specifications
| Model | Interlocking modules snap together |
| Product Type | 1/4 inch tin plated copper tab terminals |
| Color | Copper |
| Material | 1/4 inch tin plated copper tab terminals |
| Weight | 0.29 lb |
| Dimensions | 9.1 x 4.95 x 1.65 in |
| Brand | Sierramarine |
| Manufacturer Part Number | FS40420 |
| UPC | 808282367220 |
Frequently Asked Questions
What color is this 1/4 inch tin plated copper tab terminal?
This is the Copper variant of the Interlocking modules snap together from Sierramarine.
What are the key construction details?
Sierramarine Interlocking modules snap together features flame resistant reinforced polyester base. See Features & Benefits and Specifications for the full list.
How much does this product weigh?
This item weighs approximately 0.29 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

