PDI PDI Big Boss Dual Oil Cooler for Cummins ISX15 DESCRIPTION Available for: 1999-2024 Cummins X15 and ISX Engines Key Benefits Dual high efficiency cooler packs 75% more oil cooling capacity Lowers peak oil temperature 20-30 degrees Thermostat and bypass valve included Complete new casting... MSRP: Was: Now: $3,950.00 Add to Cart
