Caterpillar 3406 / 3306 / 3176 / 3400 Series OEM Cross-Reference & Part Lookup
Find the genuine PAI Industries replacement for your Caterpillar 3406 / 3306 / 3176 / 3400 Series engine. Search by your OEM or competitor part number below — every part ships with manufacturer warranty from JAK's Diesel.
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 20 Caterpillar 3406 / 3306 / 3176 / 3400 Series parts
| OEM / Competitor Numbers | PAI # | Part | Price | |
|---|---|---|---|---|
| 1S4295, 7H1558, 590GB321, 590GB321A | 331212 | Air Intake & Exhaust | $8.99 | View→ |
| 216-5586, 2165586, 2W7211 | 351548 | Bearings | $9.99 | View→ |
| 4W5703, 6N4167, 8N5428 | 370012 | Connecting Rod | $25.99 | View→ |
| 3033677, AR62495, 3609920, AR12732, 3029099, 3071085, 2W0712, 4004911, 4972860 | 181845 | Cooling | $33.99 | View→ |
| 4P2684 | 331256 | Cooling | $3.99 | View→ |
| 10R0706, 338-9809, 3389809, 4P7378 | 302007 | Crankshaft | $326.99 | View→ |
| 167-8126, 1678126, 7E9520 | 302010 | Crankshaft | $559.90 | View→ |
| 7N8020, 7W1267, 7W7544 | 331432 | Cylinder Head | $30.99 | View→ |
| 5295930, 529-5930 | 331667 | Engine Rebuild Kit | $2905.99 | View→ |
| 293-0730, 2930730 | 321347 | Fuel System | $15.99 | View→ |
| 1167221, 116-7221 | 321471 | Fuel System | $3.99 | View→ |
| 6V2209 | 331180 | Gaskets | $247.99 | View→ |
| 144-6142, 1446142 | 331211 | Gaskets | $11.99 | View→ |
| 118-3732, 1183732, 160-9874, 1609874, 5P8057 | 321203 | Liners & Sleeves | $14.36 | View→ |
| 154-1642, 1541642 | 321204 | Liners & Sleeves | $19.99 | View→ |
| 169-4199, 1694199, 8S1965, 6C4031 | 331209 | Lubrication | $35.99 | View→ |
| 008-3214, 175755, 61908, 83214 | 111095 | Pistons & Rings | $3.99 | View→ |
| 177-7496, 1777496, 2370194, 237-0194, 2292868, 229-2868 | 305006 | Pistons & Rings | $38.99 | View→ |
| 4P4661, 3275354 | 192020 | Valvetrain | $3.99 | View→ |
| 379-0174, 3790174, S-2037, 2A4429 | 192024 | Valvetrain | $3.99 | 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.