FS19727 Fuel Filter Water Separator | Replacement for P550467, P550737, P550736
Premium FS19727 fuel filter water separator compatible with Cummins ISX, ISM, ISX15, X15, PACCAR MX13, Caterpillar C11, C12, C13, C15, and C16 engines. Replaces FS19728, FS19729, FS19536, P550467, P550737, and P550736.
Description
FS19727 Fuel Filter Water Separator for Heavy-Duty Diesel Engines
The FS19727 Fuel Filter Water Separator is a high-performance diesel fuel filtration solution designed for heavy-duty trucks, construction equipment, and commercial diesel engines. Engineered to remove harmful contaminants, water, rust particles, and debris from diesel fuel, this filter helps protect fuel injectors, fuel pumps, and high-pressure common rail systems.
Modern diesel engines require exceptionally clean fuel to maintain efficiency and reliability. Even small amounts of contamination can lead to injector wear, fuel system damage, reduced power, and costly repairs. The FS19727 fuel water separator combines advanced filtration media with efficient water separation technology to ensure clean fuel delivery under demanding operating conditions.
Manufactured to OEM-quality standards, this filter is ideal for fleets, truck operators, diesel repair facilities, equipment owners, and aftermarket distributors seeking reliable filtration performance.
Product Features
- Direct replacement for FS19727
- Advanced fuel filtration and water separation technology
- High contaminant removal efficiency
- Protects injectors and fuel pumps
- Maintains stable fuel flow
- OEM-quality sealing performance
- Heavy-duty construction for severe-duty applications
- Designed for modern diesel fuel systems
- Long service life
- OEM and ODM manufacturing available
Product Specifications
| Item | Specification |
|---|---|
| Product Name | Fuel Filter Water Separator |
| Part Number | FS19727 |
| Filter Type | Fuel Filter / Water Separator |
| Application | Heavy-Duty Diesel Engines |
| Filtration Media | High-Efficiency Synthetic Media |
| Function | Fuel Filtration & Water Separation |
| Fuel Type | Diesel |
| Installation | Direct Replacement |
| Service | OEM / ODM Available |
| Origin | China |
Compatible Engine Applications
Cummins Engines
- Cummins ISM
- Cummins ISX
- Cummins ISX15
- Cummins X15
PACCAR Engines
- PACCAR MX13
Caterpillar Engines
- Caterpillar C11
- Caterpillar C12
- Caterpillar C13
- Caterpillar C15
- Caterpillar C16
Typical Vehicle Applications
- Heavy-duty trucks
- Long-haul tractors
- Fleet vehicles
- Construction equipment
- Mining equipment
- Vocational trucks
- Industrial diesel equipment
Fitment may vary depending on vehicle model, fuel system design, and production year. Please verify part numbers before purchasing.
Cross Reference Numbers
This fuel water separator replaces:
- FS19727
- FS19728
- FS19729
- FS19536
- 33651
- 382113
- P550467
- P550737
- P550736
Additional aftermarket references may be available depending on supplier specifications.
Product Benefits
Advanced Water Separation
Efficiently removes water from diesel fuel to help prevent corrosion, injector damage, and fuel system failures.
Protects High-Pressure Fuel Systems
Captures harmful contaminants before they reach expensive injectors and fuel pumps.
Improves Engine Reliability
Provides cleaner fuel delivery for smoother operation and consistent engine performance.
Reduces Maintenance Costs
Helps extend fuel system component life and minimize costly downtime.
Product Parameters
| Parameter | Specification |
| Filtration Efficiency | High Efficiency |
| Water Separation Capability | Excellent |
| Fuel Flow Restriction | Low |
| Application Type | Heavy-Duty Diesel |
| Service Interval | OEM Recommended |
| Installation Type | Direct Replacement |
Applications
Suitable for:
- Truck fleets
- Logistics companies
- Fleet maintenance workshops
- Diesel engine repair facilities
- Construction contractors
- Mining operations
- Heavy equipment operators
- Truck parts distributors
Quality Assurance
Each fuel filter water separator undergoes strict quality testing, including:
- Filtration efficiency testing
- Water separation performance testing
- Fuel flow testing
- Burst pressure testing
- Leak resistance testing
- Dimensional accuracy inspection
These quality control procedures ensure reliable OEM-equivalent performance and durability.
Why Choose Our Fuel Filters?
As a professional fuel filter manufacturer, we supply high-quality filtration products to distributors, importers, fleet operators, and OEM customers worldwide.
Our Advantages
- OEM-quality manufacturing
- Factory-direct pricing
- Stable production capacity
- Private-label packaging support
- Custom branding services
- Fast worldwide shipping
- Low MOQ for distributors
- Professional export experience
Frequently Asked Questions
What is the function of a fuel water separator?
A fuel water separator removes water and contaminants from diesel fuel before it reaches the engine’s fuel system.
Why is water separation important?
Water contamination can cause injector corrosion, fuel pump wear, and poor engine performance. Proper filtration helps prevent these issues.
Is this filter compatible with Cummins X15 engines?
Yes. It is commonly used in Cummins ISX15 and X15 engine applications.
Do you offer OEM and wholesale services?
Yes. We provide OEM manufacturing, customized packaging, and private-label solutions for distributors and wholesalers.
