Water Separator Fuel Filter P551329 J930942 Fit Case 850G 850H 850K 855D 855E
Let Northline Parts Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Water Separator Fuel Filter for Case
This water separator fuel filter, referencing OEM cross numbers P551329 and J930942, removes water and contaminants from diesel fuel for Case 850 series dozers and loaders.
Overview
This water separator fuel filter is a replacement component that separates water and solid particles from diesel fuel, protecting the fuel injection system on Case heavy equipment. Designed for construction machinery, this filter for Case ensures the engine receives clean, dry fuel for consistent performance. The water separator fuel filter helps prevent corrosion and injector wear caused by water in the fuel supply.
Built For Performance
- Efficient water coalescing media separates moisture from diesel
- High-strength filter media resists tearing and punctures
- Wide operating temperature range for varied climates
- Durable metal canister withstands vibration and high pressure
- Threaded mounting plate ensures secure installation
Fits These Machines
- for Case 850G
- for Case 850H
- for Case 850K
- for Case 855D
- for Case 855E
On-The-Job Use
- Used in dozers and loaders during site preparation and earthmoving
- Installed during preventive maintenance in construction fleets
- Operates reliably in dusty and muddy job site conditions
- Vital for winter operation where fuel condensation is common
Specs At A Glance
| Part Number(s) | P551329, J930942 |
| Type | Water Separator Fuel Filter |
| Application | Diesel Engines |
Good To Know
Q: Can this water separator fuel filter be used interchangeably with the original equipment part? A: Yes, it matches the dimensions and filtration rating of the OEM part number P551329, providing a direct fit for compatible Case models.
Q: What signs indicate the water separator fuel filter needs service? A: Engine hesitation, hard starting, or a visible water level in the separator bowl indicate the filter should be drained or replaced to maintain fuel flow.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.