Cummins ISX / X15 OEM Cross-Reference & Part Lookup
The Cummins ISX (later rebranded X15) is the workhorse of the on-highway Class 8 fleet. Cross-reference your Cummins OEM or competitor number below to the genuine PAI replacement we stock.
How to use this page: Type your OEM, Cat, Cummins, Detroit, Mack, Volvo or competitor part number into the search box. The table filters instantly to the matching PAI replacement. Click View part to see price, fitment and availability. Not sure of fitment? Send us your engine serial number (ESN) and we'll confirm before you order.
Showing 40 Cummins ISX / X15 parts
| OEM / Competitor Numbers | PAI # | Part | |
|---|---|---|---|
| 3101768, 4298220, 4965729, DIESEL 23535411 | 040112 | Air Intake & Exhaust | View→ |
| 4902912, 2596660, 2596660C1 | 050732 | Air Intake & Exhaust | View→ |
| 3682940 | 131672 | Air Intake & Exhaust | View→ |
| 4966441 | 131876 | Air Intake & Exhaust | View→ |
| 3971163 | 132053 | Air Intake & Exhaust | View→ |
| 4386982, 2888041, 2870108 | 132077 | Air Intake & Exhaust | View→ |
| 4386983, 2888042, 2884804 | 132078 | Air Intake & Exhaust | View→ |
| 3688622 | 136196 | Air Intake & Exhaust | View→ |
| 3683870, 3682549 | 181046 | Air Intake & Exhaust | View→ |
| 3682491 | 181047 | Air Intake & Exhaust | View→ |
| 3682959 | 181048 | Air Intake & Exhaust | View→ |
| 3685999 | 181051 | Air Intake & Exhaust | View→ |
| 3689250, 3683788 | 181066 | Air Intake & Exhaust | View→ |
| 3689251, 3685284, 3687062 | 181069 | Air Intake & Exhaust | View→ |
| 3781362, 3781369, 3781370, 3785515, 3795159, 3796346, 3796392, 4309273NX, 4309273RX, 4309274, 4309274NX, 4309274RX, 5354718, 5354721, 3798515, 3798515RX, 4309273, 5458260, 5458260RX | 181166 | Air Intake & Exhaust | View→ |
| 3599755, 3772122, 4040936, 4041745, 4042573 | 181169 | Air Intake & Exhaust | View→ |
| 2638668RX, 2835940, 2837201, 3776172, 3789676, 3789677, 3791991, 4032760, 4032760NX, 4032760RX, 4034210, 4034289HX, 4034289NX, 4045108, 5638668, 5638668NX, 6378270, 6378270HX, 6378270NX, 6378270RX, 4034289, 4034289RX, 4034116, 4034208, 4042307, 4032066, 4032673 | 181171 | Air Intake & Exhaust | View→ |
| 2881785, 2881785NX, 2881785RX, 2881997, 2881997NX, 2881997RX, 3774626, 3780526, 3792786, 3795162, 4309076, 4309076NX, 4309076RX, 4309076X, 4955425, 4955425NX, 4955425RX, 4956010, 4956010NX, 4956010RX, 5359978, 5457297, 5457297NX, 5457297RX | 181193EX | Air Intake & Exhaust | View→ |
| 2881786, 2881998, 4309077, 4955426, 4955903, 4956011, RX5457298 | 181210 | Air Intake & Exhaust | View→ |
| 3590909, 3591788, 3595090, 3800653, 3800775, 4024853, 4025184, 4036892, 4036900, 4036902, 4089754 | 181218 | Air Intake & Exhaust | View→ |
| 2882111NX, 2882111RX, 5501254, 5501254HX, 3792586, 3792586HX, 3773569, 5502825, 5502825NX, 5502825RX, 5501313, 5501313NX, 5501313RX, 3767305, 3767306, 2882111 | 181222 | Air Intake & Exhaust | View→ |
| 3796351, 5350499, 2843821, 2882015NX, 2882015RX, 2882112, 2882112H, 2882112NX, 2882112RX, 3769054, 3769055, 3769056, 3769058, 3769059, 3769061, 3773488, 3773489, 3773491, 3773492, 3773495, 3792571, 3792576, 3792576H, 3792577, 3792583, 3792583H, 3795122, 3795142, 3795143, 5350404, 5350411, 5350411NX, 5350411RX, 3792570, 5350501, 5350501H, 5359590, 5359595, 5359609, 5359609NX, 5359609RX, 5456845, 5458503NX, 5458503RX, 2882015, 3773493, 5458503 | 181224EX | Air Intake & Exhaust | View→ |
| 5357368, 5357368NX, 5357368RX, 3777139, 3777141, 3777141NX, 3777141RX, 3781360, 3781367, 3795157, 3796349, 3796389, 3798514NX, 3798514RX, 3798518, 4309271, 4309271NX, 4309271RX, 5350588, 5354715, 5354716, 5354716H, 5354716HX, 5354717, 5354717H, 5354717HX, 5354723, 5354725H, 5354725HX, 5458272, 5458272NX, 5458272RX, 3798514 | 181225EX | Air Intake & Exhaust | View→ |
| 3412261, 4059329 | 192166 | Air Intake & Exhaust | View→ |
| 4059342 | 192196 | Air Intake & Exhaust | View→ |
| 4089845, 5406111 | 171984 | Bearings | View→ |
| 4089846, 5406112 | 171987 | Bearings | View→ |
| 2864899 | 040168 | Connecting Rod | View→ |
| 2888011, 2884834, 2884761 | 171628 | Connecting Rod | View→ |
| 3686171, 6314768, 3689108, 2882582 | 171639 | Connecting Rod | View→ |
| 4318946, 2882752, 4003949, 4318196, 4952210, 4973372 | 181799 | Cooling | View→ |
| 4318948, 5440466 | 181834 | Cooling | View→ |
| 2882757, 3335549, 3335550, 4318197, 4336659, 4952204, 4973373 | 181887 | Cooling | View→ |
| 3680453, 4952629 | 181925 | Cooling | View→ |
| 2899631, 2899631NX | 182005 | Cooling | View→ |
| 3685173, 6594896 | 136139 | Crankshaft | View→ |
| 4965400, 4962799 | 170992 | Crankshaft | View→ |
| 2882731, 2883164 | 171620 | Crankshaft | View→ |
| 3681910, 3691443, 4319022, 4925761 | 171659 | Crankshaft | View→ |
| 5575102 | 171909 | Crankshaft | View→ |
All parts are genuine PAI Industries with manufacturer warranty intact, cross-referenced to OEM specifications and shipped from JAK's Diesel. Heavy-duty diesel parts for owner-operators and fleets. Always verify your engine serial number before ordering — wrong-fit kits cannot be returned once opened.