Fuel Injector 105-5149 compatible for Perkins Engine 4.236 Caterpillar CAT Vibratory Compactor CS-323 CP-323 Pavement PR-75Fuel Injector 105 5149 for Perkins Engine 4. 236 Caterpillar CAT Vibratory Compactor CS 323 CP 323 Pavement PR 75 Condition: New Part Note: For the new part, we advise you replace the whole set together, Because the oil output and atomization concentration of Genuine and parts are different, they cannot be mixed to work for the same engine. Replace Part Number: CA1055149, 105 5149, 1055149 Fit For Perkins Engine: 4. 236 Applications: Fit For