1993 Peterbilt 378 Air Filter
Navigate our online catalogue to find original replacement Air Filters specifically designed to fit a 1993 Peterbilt 378.
Air Filter
$83.94
Limited 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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Axial Seal OE Number : P181007
Axial Seal OE Number : P181007
Air Filter
$83.94
Limited 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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Axial Seal Don. : P181007
Axial Seal Don. : P181007
Air Filter
$100.08
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: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
Vehicle Fitment Notes:
Axial Seal See Product Guide for Variations of This Number. OE Number : P181008
Axial Seal See Product Guide for Variations of This Number. OE Number : P181008
Air Filter
$100.08
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: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Axial Seal See Product Guide for Variations of This Number. Don. : P181008
Axial Seal See Product Guide for Variations of This Number. Don. : P181008
Air Filter
$100.08
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: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Axial Seal See Product Guide for Variations of This Number. OE Number : P181008
Axial Seal See Product Guide for Variations of This Number. OE Number : P181008
Air Filter
$100.08
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: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel;
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel;
Vehicle Fitment Notes:
Axial Seal See Product Guide for Variations of This Number. Don. : P181008
Axial Seal See Product Guide for Variations of This Number. Don. : P181008
Air Filter
$124.83
Limited 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: 10.5L 638ci6;
Engine Base: 10.5L 638ci6;
Vehicle Fitment Notes:
Conical See Product Guide for Variations of This Number. OE Number : P140822
Conical See Product Guide for Variations of This Number. OE Number : P140822
Air Filter
$124.83
Limited 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: 10.5L 638ci6; Engine Designation: 3306; Engine Manufacturer: Caterpillar;
Engine Base: 10.5L 638ci6; Engine Designation: 3306; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
See Product Guide for Variations of This Number. Don. : P140822
See Product Guide for Variations of This Number. Don. : P140822
Air Filter
$141.02
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: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
Vehicle Fitment Notes:
Conical OE Number : P521598
Conical OE Number : P521598
Air Filter
$141.02
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: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Conical Don. : P521598
Conical Don. : P521598
Air Filter
$143.68
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: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Conical OE Number : P522293
Conical OE Number : P522293
Air Filter
$143.68
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: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Conical Don. : P522293
Conical Don. : P522293
Air Filter
$143.68
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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
Conical OE Number : P522293
Conical OE Number : P522293
Air Filter
$143.68
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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Designation: N14; Engine Manufacturer: Cummins;
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4); Engine Designation: N14; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Don. : P522293
Don. : P522293
Air Filter
$148.48
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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Radial Seal OE Number : P534925
Radial Seal OE Number : P534925
Air Filter
$148.48
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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
25 13/16 Inch Radial Seal Don. : P534925
25 13/16 Inch Radial Seal Don. : P534925
Air Filter
$122.28
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: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Radial Seal OE Number : P534816
Radial Seal OE Number : P534816
Air Filter
$122.28
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: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
23 23/32 Inch Radial Seal Don. : P534816
23 23/32 Inch Radial Seal Don. : P534816
Air Filter
$122.28
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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Radial Seal OE Number : P534816
Radial Seal OE Number : P534816
Air Filter
$122.28
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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel;
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel;
Vehicle Fitment Notes:
Radial Seal Don. : P534816 Air
Radial Seal Don. : P534816 Air
Air Filter
$142.67
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: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Vehicle Fitment Notes:
Radial Seal Extreme Performance OE Number : P534816
Radial Seal Extreme Performance OE Number : P534816
Air Filter
$142.67
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: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
23 23/32 Inch Radial Seal Extreme Performance Don. : P534816
23 23/32 Inch Radial Seal Extreme Performance Don. : P534816
Air Filter
$142.67
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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
Radial Seal Extreme Performance OE Number : P534816
Radial Seal Extreme Performance OE Number : P534816
Air Filter
$142.67
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: 2
Required Per Vehicle: 2
Made in USA
Vehicle fitment:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel;
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel;
Vehicle Fitment Notes:
Radial Seal Extreme Performance Don. : P534816 Air
Radial Seal Extreme Performance Don. : P534816 Air