Air Cleaner Light Bar – Peterbilt Peterbilt Air Cleaner Bar SS 3 Ligths 3Lines Back for Peterbilt 370 Series Part #: AAP4-100 $265 /pair Air Cleaner Bar SS 3 Ligths 3Lines Back for Peterbilt 370 Series Part #: AAP4-100 $265 /pair Air Cleaner Bar SS 3 Ligths 3Lines Back for Peterbilt 370 Series Part #: AAP4-101 $265 /pair Air Cleaner Bar SS 3 Ligths 3Lines Front for Peterbilt 370 Series Part #: AAP4-102 $265 /pair Air Cleaner Mounting Bracket Kit – for Peterbilt 370 & 380 Series Part #: AAP4-103 $155 / pair Air Cleaner Mounting Bracket Kit – for Peterbilt 370 & 380 Series Part #: AAP4-103 $155 / pair Installation for Air Cleaner Ligth Bars and Brackets Installation for Air Cleaner Ligth Bars and Brackets Installation for Air Cleaner Ligth Bars and Brackets Air Cleaner Bar 5 LED 3/4. Front for Peterbilt 370 Series Part #: AAP4-104 $275 /pair Air Cleaner Bar 5 LED 3/4. Back for Peterbilt 370 Series Part #: AAP4-105$265 /pair Air Cleaner Bar 3 Lights 6 Small 3 lines FRONT for Peterbilt 370 Series Part #: AAP4-106 $265 /pair Air Cleaner Bar 3 Lights 6 Small 3 lines BACK for Peterbilt 370 Series Part #: AAP4-107 $265 /pair