2 Pk Coolant Reservoir Tank Replace N5346001 6035403 FLTOT46001 T1673008 5751026 por | Jul 3, 2026Replaces OEM: N5346001. Fits Peterbilt : N5346001, ST6002D. Flatbed Truck. Flatbed Tarp Kits. COOLANT RESERVOIR/SURGE TANK. Ft. Warehouse. Add to Favorite. Wide Load Signs & Accessories.