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Description
MRF2913-250 MARINE FUSE CERAMICCross References Brand Manufacturer Part Number Blue Sea Systems 5190 Bussmann MRBF 250, BK MRBF 250 CTO USA (Main Product) MRF2913 250 Littelfuse 0581250, 581250, 0581250. X Technical Specifications Feature Details Value Product Name Marine Rated Battery Fuse (MRBF) Ceramic Cube Fuse Product Code MRF2913 250 Amperage Rating 250 Amps (250A) Maximum Voltage Rating 58V DC Interrupt Rating 10,000A @ 14V DC 5,000A @ 32V DC 2,000A @ 58V DC Fuse Body
Cross References
| Brand / Manufacturer | Part Number |
|---|---|
| Blue Sea Systems | 5190 |
| Bussmann | MRBF-250, BK/MRBF-250 |
| CTO USA (Main Product) | MRF2913-250 |
| Littelfuse | 0581250, 581250, 0581250.X |
Technical Specifications
| Feature | Details / Value |
|---|---|
| Product Name | Marine Rated Battery Fuse (MRBF) / Ceramic Cube Fuse |
| Product Code | MRF2913-250 |
| Amperage Rating | 250 Amps (250A) |
| Maximum Voltage Rating | 58V DC |
| Interrupt Rating | 10,000A @ 14V DC / 5,000A @ 32V DC / 2,000A @ 58V DC |
| Fuse Body Material | Heavy-Duty Weatherproof Ceramic Housing |
| Terminal Material | Tin-Plated Copper Alloy Core Elements |
| Product Group | Starters / Alternators / Electrical - Components - Fuses |
| Category | Marine Fuses |
| UPC Code | 402500980255 |
| Item Gross Weight | 0.062 lbs |
| Status | Active |
Applications & Compatibility Guide
| Category | Usage & Universal Compliance Guidelines |
|---|---|
| Recommended Use | • Specially engineered for high-current protection in space-constrained marine and heavy automotive electrical environments. Ideal for primary main battery terminal branch protection, heavy power inverters, large alternator outputs, windlasses, and bow thruster circuits. |
| Universal Compatibility | • Universally compatible with all standard single, dual, or triple post MRBF (Marine Rated Battery Fuse) terminal blocks, holders, and mounting bars. • Widely utilized in commercial watercraft, recreational yachts, off-grid solar power battery banks, specialized fleet service trucks, RV master disconnect networks, and heavy machinery auxiliary power modules. |
| Purpose & Function | • Acts as a critical high-amperage, fast-acting circuit barrier directly at the battery source to prevent devastating main wiring harness damage or localized thermal failure loops. • Features an ignition-protected design (complying with SAE J1171 standards) that safely isolates internal electrical arcs, making it entirely safe for installation within enclosed marine engine compartments and spaces containing gasoline or diesel fuel environments. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 588 reviews
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Product Reviews
★★★★★ 5
Fits 2007 Honda crv.
It fits my 2007 Honda crv and sealed very well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 5
Fits 2007 Honda CRV
Fits 2007 Honda CRV.
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Reviewed in the United States on June 3, 2025
★★★★★ 3
Filters well but causes air flow restrictions
Very thick and does filter well however it is so thick it actually blocks quite a bit of air flow
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Reviewed in the United States on October 27, 2020
★★★★★ 5
Did not disappoint!
Perfect Fit: Bolted right up to the engine block without any shimmying or modification needed.
Strong Crank: The motor sounds powerful and turns the engine over significantly faster than my old, dying unit. Once hooked up, the car fired up instantly on the first turn of the key. No grinding, no clicking, just a smooth, high-torque start.
Price: A lot more cheaper then your average auto parts stores.
Build Quality: The solenoid connections are solid and the threads were clean.
Packaging: The box arrived on time but a bit beat up, but the starter itself was well-protected in bubble wrap and undamaged.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Still working great!!
I really didn't have a good feeling about ordering a starter online, but I was in a situation where I didn't have the time to get to the auto shop before my day off and Amazon could get me this part just in time. So I reluctantly gave it a shot.
When it showed up it had a couple of small black pieces of plastic loose in the box similar to the pieces shown in another review on here. It didn't look like they from anything functional. I really needed to get my wife's car running so decided to install it anyways.
The install was easy and it was a perfect fit. The only draw back would be that the signal wire didn't click in place like the signal wire on the original starter. But it was a snug fit.
It has been installed and working great for a month now. Very happy with my purchase.
It also had a message from the seller when I opened the box giving the starter a 2 year warranty. Very cool.
If the starters fails in the next two years I'll get on here and edit my review. So if your reading this then it is still working great.
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Reviewed in the United States on December 10, 2025