2021 Peterbilt 337 Air Filter
Browse our online catalogue to find original replacement Air Filters specifically designed to fit a 2021 Peterbilt 337.




2021 Peterbilt 337 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: 2021 Peterbilt 337
Equipped With:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: Canada;
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number P527484 Standard Version
Original Equipment Part Number P527484 Standard Version




2021 Peterbilt 337 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: 2021 Peterbilt 337
Equipped With:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: United States;
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number P527484 Standard Version
Original Equipment Part Number P527484 Standard Version




2021 Peterbilt 337 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: 2021 Peterbilt 337
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: Canada;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number P527484 Standard Version
Original Equipment Part Number P527484 Standard Version




2021 Peterbilt 337 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: 2021 Peterbilt 337
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: United States;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number P527484 Standard Version
Original Equipment Part Number P527484 Standard Version




2021 Peterbilt 337 Air Filter
$80.65
Limited Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2021 Peterbilt 337
Equipped With:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: Canada;
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: Canada;
Vehicle Fitment Notes:
Nano Pro Version
Nano Pro Version




2021 Peterbilt 337 Air Filter
$80.65
Limited Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2021 Peterbilt 337
Equipped With:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: United States;
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: United States;
Vehicle Fitment Notes:
Nano Pro Version
Nano Pro Version




2021 Peterbilt 337 Air Filter
$80.65
Limited Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2021 Peterbilt 337
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: Canada;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number P527484 Nano Pro Version
Original Equipment Part Number P527484 Nano Pro Version




2021 Peterbilt 337 Air Filter
$80.65
Limited Stock
Condition: New
Ships: Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Pick-Up: Ready in 2-4 Hours Thursday May. 14th
Required Per Vehicle: 1
Made in USA
Fits: 2021 Peterbilt 337
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: United States;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number P527484 Nano Pro Version
Original Equipment Part Number P527484 Nano Pro Version

2021 Peterbilt 337 Air Filter
$57.30
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: 2021 Peterbilt 337
Equipped With:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0);
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0);
Vehicle Fitment Notes:
Radial Seal OE Number : P527484
Radial Seal OE Number : P527484

2021 Peterbilt 337 Air Filter
$57.30
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: 2021 Peterbilt 337
Equipped With:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Engine Designation: PX-7; Engine Manufacturer: PACCAR;
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Engine Designation: PX-7; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
Radial Seal OE Number : P527484 Air
Radial Seal OE Number : P527484 Air

2021 Peterbilt 337 Air Filter
$57.30
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: 2021 Peterbilt 337
Equipped With:
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:
Radial Seal OE Number : P527484
Radial Seal OE Number : P527484

2021 Peterbilt 337 Air Filter
$57.30
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: 2021 Peterbilt 337
Equipped With:
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:
Radial Seal OE Number : P527484 Air
Radial Seal OE Number : P527484 Air

2021 Peterbilt 337 Air Filter
$67.79
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: 2021 Peterbilt 337
Equipped With:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0);
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0);
Vehicle Fitment Notes:
Radial Seal Extreme Performance OE Number : P527484
Radial Seal Extreme Performance OE Number : P527484

2021 Peterbilt 337 Air Filter
$67.79
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: 2021 Peterbilt 337
Equipped With:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Engine Designation: PX-7; Engine Manufacturer: PACCAR;
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Engine Designation: PX-7; Engine Manufacturer: PACCAR;
Vehicle Fitment Notes:
Radial Seal Extreme Performance OE Number : P527484 Air
Radial Seal Extreme Performance OE Number : P527484 Air

2021 Peterbilt 337 Air Filter
$67.79
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: 2021 Peterbilt 337
Equipped With:
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:
Radial Seal Extreme Performance OE Number : P527484
Radial Seal Extreme Performance OE Number : P527484

2021 Peterbilt 337 Air Filter
$67.79
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: 2021 Peterbilt 337
Equipped With:
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:
Radial Seal Extreme Performance OE Number : P527484 Air
Radial Seal Extreme Performance OE Number : P527484 Air



2021 Peterbilt 337 Air Filter
$69.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2021 Peterbilt 337
Equipped With:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: Canada;
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: Canada;
Vehicle Fitment Notes:
Flame Retardant Filter
Flame Retardant Filter



2021 Peterbilt 337 Air Filter
$69.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2021 Peterbilt 337
Equipped With:
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: United States;
Engine Base: 6.7L 408ci L6 (4.21x4.08; 107.0x124.0); Region: United States;
Vehicle Fitment Notes:
Flame Retardant Filter
Flame Retardant Filter



2021 Peterbilt 337 Air Filter
$69.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2021 Peterbilt 337
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: Canada;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: Canada;
Vehicle Fitment Notes:
Original Equipment Part Number P527484 Flame Retardant Filter
Original Equipment Part Number P527484 Flame Retardant Filter



2021 Peterbilt 337 Air Filter
$69.59
Out of Stock
Condition: New
Required Per Vehicle: 1
Made in USA
Fits: 2021 Peterbilt 337
Equipped With:
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: United States;
Engine Base: 8.9L 8849cc (540CID) L6 Bore 114.0cm (4.49in.) Stroke 144.5cm (5.69in.); Region: United States;
Vehicle Fitment Notes:
Original Equipment Part Number P527484 Flame Retardant Filter
Original Equipment Part Number P527484 Flame Retardant Filter