This Valve Cover Gasket & Rocker Box Gasket Kit is designed to fit Cummins ISD4.5L, ISB3.9L, and QSB4.5L engines. The kit includes two gaskets, with OE/OEM part numbers 4899228 and 4899230, and is sold as a set. The gaskets are made for durability and are a reliable replacement for your engine's needs.
| PN | NAME | QTY |
| 4899228 | Valve Cover Gasket | 1 |
| 5271613 | Noise Isolator | 4 |
| 4899230 | Rocker Lever Housing Gasket | 1 |