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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
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Super cute, but wrong colors!!
Size: Pack of 3, Color: Small/Med Bone
Very cute!! The squeak is quite loud, but it's still nice to use. I will say, I did get the wrong colors...The colors on the listing are purple, pink, and green, but I got red and yellow instead.
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Reviewed in the United States on January 9, 2026
★★★★★ 5
dogs love them
Size: Pack of 3, Color: Small/Med Bone
hold up well
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Reviewed in the United States on June 4, 2026
★★★★★ 4
is really squeaky and small
Size: Pack of 3, Color: Small/Med Bone, Size: Pack of 3, Color: Small/Med Bone
my dog loves his new toy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
He can’t eat these very easy
Size: Pack of 3, Color: Small/Med Bone
My dog loves these bones
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Great enrichment
Size: 2.8in for Small & Medium Dogs
These are great for our 3 dogs, they’re durable and strong. The pup ford training treats fit great into these and it takes our dogs a good bit to get all the treats out. Easy to clean and a great enrichment toy, will buy again!
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Reviewed in the United States on February 6, 2026