2018 Peterbilt 365 Fuel Water Separator Filters
Save up to 40% on original replacement 2018 Peterbilt 365 Fuel Water Separator Filters. Navigate our online catalogue to find Fuel Water Separator Filters and other parts designed specifically to fit a 2018 Peterbilt 365.




Fuel Water Separator Filter
$55.36
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Fleetguard : FS1003
Fleetguard : FS1003



Fuel Water Separator Filter
$55.36
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : FS1003
Fuel/Water Separator OE Number : FS1003



Fuel Water Separator Filter
$55.36
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
Fleetguard : FS1003
Fleetguard : FS1003



Fuel Water Separator Filter
$55.36
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : FS1003
Fuel/Water Separator OE Number : FS1003



Fuel Water Separator Filter
$59.01
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Fleetguard : FS1065
Fleetguard : FS1065



Fuel Water Separator Filter
$59.01
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : FS1065
Fuel/Water Separator OE Number : FS1065



Fuel Water Separator Filter
$59.01
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
Fleetguard : FS1065
Fleetguard : FS1065



Fuel Water Separator Filter
$59.01
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : FS1065
Fuel/Water Separator OE Number : FS1065



Fuel Water Separator Filter
$95.65
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9G; Engine Manufacturer: Cummins;
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9G; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
OE Number : 3607140
OE Number : 3607140



Fuel Water Separator Filter
$95.65
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL-G; Engine Manufacturer: Cummins;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL-G; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Fleetguard : NG5900
Fleetguard : NG5900



Fuel Water Separator Filter
$71.52
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9;
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9;
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : K371011
Fuel/Water Separator OE Number : K371011



Fuel Water Separator Filter
$71.52
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9; Engine Manufacturer: Cummins;
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
OE Number : K371011
OE Number : K371011



Fuel Water Separator Filter
$71.52
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : K371029
Fuel/Water Separator OE Number : K371029



Fuel Water Separator Filter
$71.52
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
OE Number : K371029
OE Number : K371029



Fuel Water Separator Filter
$19.02
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke);
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke);
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : FS1029W
Fuel/Water Separator OE Number : FS1029W



Fuel Water Separator Filter
$19.02
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke); Engine Designation: MX-11; Engine Manufacturer: PACCAR;
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke); Engine Designation: MX-11; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
OE Number : FS1029W
OE Number : FS1029W



Fuel Water Separator Filter
$40.66
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke);
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke);
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : FS19765
Fuel/Water Separator OE Number : FS19765



Fuel Water Separator Filter
$40.66
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke); Engine Designation: MX-11; Engine Manufacturer: PACCAR;
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke); Engine Designation: MX-11; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
Fleetguard : FS19765
Fleetguard : FS19765



Fuel Water Separator Filter
$40.66
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 12.9L 787ci6;
Engine Base: 12.9L 787ci6;
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : FS19765
Fuel/Water Separator OE Number : FS19765



Fuel Water Separator Filter
$40.66
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 12.9L 787ci6; Engine Designation: MX-13; Engine Manufacturer: PACCAR;
Engine Base: 12.9L 787ci6; Engine Designation: MX-13; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
Fleetguard : FS19765
Fleetguard : FS19765



Fuel Water Separator Filter
$39.14
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9;
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9;
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : FS19764
Fuel/Water Separator OE Number : FS19764



Fuel Water Separator Filter
$39.14
In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9; Engine Manufacturer: Cummins;
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Fleetguard : FS19764
Fleetguard : FS19764



Fuel Water Separator Filter
$50.36
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9;
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9;
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : K371004
Fuel/Water Separator OE Number : K371004



Fuel Water Separator Filter
$50.36
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9; Engine Manufacturer: Cummins;
Engine Base: 11.9L 726ci6; Engine Designation: ISX 11.9; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
OE Number : K371004
OE Number : K371004

Fuel Water Separator Filter
$85.02
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Fleetguard : FS1098
Fleetguard : FS1098

Fuel Water Separator Filter
$85.02
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in USA
Vehicle fitment:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL 8.9; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Fuel/Water Separator OE Number : FS1098
Fuel/Water Separator OE Number : FS1098