REQUIRED For Replacement labeled Engines, Long Blocks, and short blocks sold within the U.S. and U.S. Territories the engine core (i.e. old engine) that is removed MUST be returned to your selling Caterpillar dealer, so that they can return to Caterpillar OR destroy, as required by law. Proof of return or destruction will then be provided to the EPA and or California ARB if required. See PELJ1301 for additional details. BENEFITS:• Lower cost by reusing workable components from original engine• Reduced downtime• Superior quality & reliability• Quick turnarounds for maintaining productivityStandard 12-month WarrantyAn Engine Short Cylinder Block serves as the main lower structure of the engine that houses the cylinders and supports the crankshaft assembly. It provides the enclosed space where pistons move up and down during combustion to generate power. It maintains proper alignment between moving internal components to ensure smooth rotation and consistent power delivery. It supports proper sealing within the combustion chamber, allowing controlled compression and efficient energy transfer.Attributes:• Supports internal oil circulation for lubrication of moving parts.• Assists in transferring combustion force to the crankshaft.• Helps ensure balanced engine operation.Applications: An Engine Short Cylinder Block is located at the lower section of the engine assembly, where it houses the cylinders and crankshaft, supporting piston movement, controlled combustion, and efficient transfer of generated power to the drivetrain.