
Freightliner Cascadia Fuel/Water Separator | Replaces R61709
Delivery & returns
Free standard shipping
Continental U.S. orders typically ship within 3–5 business days. Expedited options cost extra.
30-day returns
Return the part for a refund or exchange in its original condition and packaging.
Description
Maintain clean fuel delivery and dependable engine protection with this premium aftermarket fuel/water separator for select Freightliner Cascadia applications equipped with Detroit Diesel engines and GreenMAX fuel/water separator systems.
Engineered to separate water and capture contaminants before they reach sensitive fuel-system components, this heavy-duty filter helps protect injectors and fuel pumps while supporting consistent engine performance. Its compact cartridge design provides reliable filtration for demanding commercial trucking and fleet applications.
Features
Designed for select Freightliner Cascadia applications
Compatible with Detroit DD13, DD15, and DD16 engines
Designed for GreenMAX fuel/water separator systems
Premium OE-quality aftermarket replacement
High-efficiency fuel and water separation
Helps capture water, dirt, debris, and other fuel contaminants
Helps protect injectors and precision fuel-system components
Supports reliable fuel delivery and engine performance
Compact cartridge design
Heavy-duty construction for commercial service
Fleet-tested for filtration performance, durability, and reliability
Specifications
Product Type: Fuel/Water Separator
Filter Style: Cartridge
Application: Heavy-Duty Diesel Fuel System
Fuel System: GreenMAX Fuel/Water Separator
Filter Media: High-Efficiency Filtration Media
Installation: Direct Replacement
Condition: Brand New
Sold As: 1 Piece
OEM / Reference Cross References
DDE R61709
DDE DDER61709
Racor R61709
Aftermarket Cross References
Donaldson P552709
Fleetguard FS20176
Baldwin PF46235
Luber-finer L6048F
WIX WF10568
Donaldson identifies P552709 as the fuel/water separator cartridge for Detroit DD13, DD15 and DD16 applications and cross-references R61709/DDER61709, Fleetguard FS20176, Baldwin PF46235 and Luber-finer L6048F.
Application
Freightliner Cascadia
Detroit DD13
Detroit DD15
Detroit DD16
Select GreenMAX fuel/water separator applications
Verify R61709 and the fuel-system configuration before ordering
Motion Trucking Parts Quality Promise
Fleet-tested in real-world commercial trucking applications
Tested for water separation, filtration performance, and durability
Premium filtration media helps protect critical fuel-system components
Designed for demanding heavy-duty operating environments
Built for dependable service and consistent performance
Trusted by repair shops, owner-operators, and commercial fleets








