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Description
FF5971NN FUEL FILTER SPIN-ONCross References Brand Manufacturer Part Number Baldwin BF46248 Carquest 96891 Cummins (OEM) 4940647, 5575143, 557 5143 Donaldson DBF5811 Fleetguard (Main Product) FF5971NN Luber finer LFF5686, LFF5804 NAPA 601071 Wix WF10891 Technical Specifications Feature Details Value Product Type Premium Secondary Spin On Fuel Filter Filtration Media NanoNet Advanced Synthetic Media Micron Rating 4 Micron (at 99. 2% Primary Particle Efficiency) Overall Height 11.
Cross References
| Brand / Manufacturer | Part Number |
|---|---|
| Baldwin | BF46248 |
| Carquest | 96891 |
| Cummins (OEM) | 4940647, 5575143, 557 5143 |
| Donaldson | DBF5811 |
| Fleetguard (Main Product) | FF5971NN |
| Luber-finer | LFF5686, LFF5804 |
| NAPA | 601071 |
| Wix | WF10891 |
Technical Specifications
| Feature | Details / Value |
|---|---|
| Product Type | Premium Secondary Spin-On Fuel Filter |
| Filtration Media | NanoNet™ Advanced Synthetic Media |
| Micron Rating | 4 Micron (at 99.2% Primary Particle Efficiency) |
| Overall Height | 11.50 inches (292.1 mm) |
| Largest Outside Diameter (O.D.) | 4.736 inches (120.3 mm) |
| Gasket Outside Diameter (O.D.) | 4.736 inches (120.3 mm) |
| Thread Configuration | M90 X 2 - 7H (Metric Thread Form) |
| Service Capacity Life | Extended lifecycle support up to 75,000 miles / 1,000 hours (depending on operational duty class) |
| Product Department | Air & Fuel Delivery Systems / Engine Fuel Filtration |
Applications & Compatibility Guide
| Category | Usage & Compatible Truck Models |
|---|---|
| Recommended Use | • Tailored as a high-performance secondary spin-on fuel filter for Class 8 commercial fleets, line-haul tractors, and heavy vocational vehicles requiring uncompromising fuel rail safety. |
| Truck & Engine Models | • Compatible Diesel Engine Generations: - Cummins X15 Series (Efficiency, Performance, and Productivity Configurations) - Cummins L9 Series - Cummins ISL9 Series - Cummins B6.7 / ISB6.7 Series - Paccar ISX Family Platforms • Heavy-Duty Commercial Truck Brands (Configured with matching engine setups): - Freightliner, International, Kenworth, Peterbilt, Spartan, Volvo, Western Star - Manufactured in model years: 2020, 2021, 2022, 2023, 2024, 2025, 2026. |
| Purpose & Function | • Engineered utilizing proprietary NanoNet™ media which features a highly consistent structural pore design to permanently capture fine contaminants even under intense chassis road vibration. • Seals out tiny particulate matter, fuel sludges, and moisture down to a strict 4-Micron boundary line, directly protecting modern High-Pressure Common Rail (HPCR) injection loops from abrasive scratching or injector clogging. |
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
4.1 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Very complete kit
This Kit has everything you need to change your waer pump impellor. It comes with directions that are easy to follow, but there re plenty of videos available to help. The Quicksilver kit is priced well and was delivered quickly.
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Reviewed in the United States on November 13, 2025
★★★★★ 5
Perfect OEM fit
Fixed my impeller on my Mercury Salt Water 115. Best done as a two man job. Lots of videos available online .
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Reviewed in the United States on April 14, 2026
★★★★★ 4
Fits 2001 Bayliner
This product was definitely different than the original I have a 2001 Bayliner with a 3.0 MerCruiser and an alpha one second GEN drive The kit worked but the bottom gasket had a weird cut different than the original I added a gasket maker just in case (Yamaha Lube) Brand! All in all kit was fine, One thing to note is the directions that come with the kit at least for my version we’re not for the same alpha one second GEN 4 stroke kit that I got they were for a two-stroke in the pictures didn’t look the same as the parts that I had got which is fine but it’s miss leading when you send a 4 stroke kit but 2 stroke 90hp to 200hp alpha one directions! If it craps out this review will change
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Reviewed in the United States on June 30, 2020
★★★★★ 5
Super great product. Has the power and functionality to get you repairing fast!
Super great product. Has the power and functionality to get you repairing fast! Fully recommend this and it has worked great since I've owned it. Still going strong in the durability and design looks like it will keep it going strong for many years. Highly highly recommend buying this. Will work in Kuwait, Iraq, UAE, and Saudi. Good for Camps around the CENTCOM area!
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Reviewed in the United States on October 6, 2025
★★★★★ 5
Solid Product
worked well, easy to install.
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Reviewed in the United States on November 3, 2025