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.