2025 Peterbilt 520 Air Filter
Browse our online catalogue to find original replacement Air Filters specifically designed to fit a 2025 Peterbilt 520.




2025 Peterbilt 520 Air Filter
$157.17
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: Canada;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number P777868
Original Equipment Part Number P777868




2025 Peterbilt 520 Air Filter
$157.17
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: United States;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number P777868
Original Equipment Part Number P777868




2025 Peterbilt 520 Air Filter
$157.17
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Outer
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 11.9L 6Cyl - (-)(726) 5.11 130.0(Bore)5.91 150.0(Stroke); Engine Designation: ISX 11.9G; Fuel Type: CNG; Region: Canada;
Engine Base: 11.9L 6Cyl - (-)(726) 5.11 130.0(Bore)5.91 150.0(Stroke); Engine Designation: ISX 11.9G; Fuel Type: CNG; Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number P777868
Original Equipment Part Number P777868




2025 Peterbilt 520 Air Filter
$157.17
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Outer
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 11.9L 6Cyl - (-)(726) 5.11 130.0(Bore)5.91 150.0(Stroke); Engine Designation: ISX 11.9G; Fuel Type: CNG; Region: United States;
Engine Base: 11.9L 6Cyl - (-)(726) 5.11 130.0(Bore)5.91 150.0(Stroke); Engine Designation: ISX 11.9G; Fuel Type: CNG; Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number P777868
Original Equipment Part Number P777868

2025 Peterbilt 520 Air Filter
$103.41
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke); Engine Designation: MX-11; Fuel Type: DIESEL; Region: Canada;
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke); Engine Designation: MX-11; Fuel Type: DIESEL; Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number 5008414
Original Equipment Part Number 5008414

2025 Peterbilt 520 Air Filter
$103.41
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke); Engine Designation: MX-11; Fuel Type: DIESEL; Region: United States;
Engine Base: 10.8L 6Cyl L (-)(659) 4.84 123.0(Bore)5.98 152.0(Stroke); Engine Designation: MX-11; Fuel Type: DIESEL; Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number 5008414
Original Equipment Part Number 5008414

2025 Peterbilt 520 Air Filter
$103.41
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL-G; Fuel Type: CNG; Region: Canada;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL-G; Fuel Type: CNG; Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number 89040662
Original Equipment Part Number 89040662

2025 Peterbilt 520 Air Filter
$103.41
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL-G; Fuel Type: CNG; Region: United States;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL-G; Fuel Type: CNG; Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number 89040662
Original Equipment Part Number 89040662




2025 Peterbilt 520 Air Filter
$65.46
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: Canada;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number P527484
Original Equipment Part Number P527484




2025 Peterbilt 520 Air Filter
$65.46
10+ In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: United States;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number P527484
Original Equipment Part Number P527484




2025 Peterbilt 520 Air Filter
$46.81
In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL-G; Fuel Type: CNG; Region: Canada;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL-G; Fuel Type: CNG; Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number P616400
Original Equipment Part Number P616400




2025 Peterbilt 520 Air Filter
$46.81
In Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Pick-Up: Ready in 1 Hour Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL-G; Fuel Type: CNG; Region: United States;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: ISL-G; Fuel Type: CNG; Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number P616400
Original Equipment Part Number P616400

2025 Peterbilt 520 Air Filter
$150.90
10+ In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
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:
Radial Seal OE Number : P777868
Radial Seal OE Number : P777868

2025 Peterbilt 520 Air Filter
$150.90
10+ In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Outer
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
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:
Radial Seal (w/Blank Band) OE Number : P777868
Radial Seal (w/Blank Band) OE Number : P777868

2025 Peterbilt 520 Air Filter
$95.40
10+ In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
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:
Radial Seal OE Number : P777869
Radial Seal OE Number : P777869

2025 Peterbilt 520 Air Filter
$95.40
10+ In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Inner
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
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:
Radial Seal OE Number : P777869
Radial Seal OE Number : P777869

2025 Peterbilt 520 Air Filter
$139.31
10+ In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
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:
Radial Seal OE Number : P777868
Radial Seal OE Number : P777868

2025 Peterbilt 520 Air Filter
$139.31
10+ In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Outer
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
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:
Radial Seal (w/o Blank Band) OE Number : P777868
Radial Seal (w/o Blank Band) OE Number : P777868

2025 Peterbilt 520 Air Filter
$197.67
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
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:
Radial Seal Outer Extreme Performance OE Number : P777868
Radial Seal Outer Extreme Performance OE Number : P777868

2025 Peterbilt 520 Air Filter
$197.67
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
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:
Radial Seal Outer Extreme Performance (w/Blank Band) OE Number : P777868
Radial Seal Outer Extreme Performance (w/Blank Band) OE Number : P777868




2025 Peterbilt 520 Air Filter
$119.12
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: Canada;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number P777869
Original Equipment Part Number P777869




2025 Peterbilt 520 Air Filter
$119.12
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: United States;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Engine Designation: PX-9; Fuel Type: DIESEL; Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number P777869
Original Equipment Part Number P777869




2025 Peterbilt 520 Air Filter
$119.12
Out of Stock
Condition: New
Inner
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 11.9L 6Cyl - (-)(726) 5.11 130.0(Bore)5.91 150.0(Stroke); Engine Designation: ISX 11.9G; Fuel Type: CNG; Region: Canada;
Engine Base: 11.9L 6Cyl - (-)(726) 5.11 130.0(Bore)5.91 150.0(Stroke); Engine Designation: ISX 11.9G; Fuel Type: CNG; Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number P777869
Original Equipment Part Number P777869




2025 Peterbilt 520 Air Filter
$119.12
Out of Stock
Condition: New
Inner
Required Per Vehicle: 1
Made in USA
Fits: 2025 Peterbilt 520
Equipped With:
Engine Base: 11.9L 6Cyl - (-)(726) 5.11 130.0(Bore)5.91 150.0(Stroke); Engine Designation: ISX 11.9G; Fuel Type: CNG; Region: United States;
Engine Base: 11.9L 6Cyl - (-)(726) 5.11 130.0(Bore)5.91 150.0(Stroke); Engine Designation: ISX 11.9G; Fuel Type: CNG; Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number P777869
Original Equipment Part Number P777869