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(888) 312-8812 Login SignupSealing the engine oil fill opening helps protect the lubrication system, and the Mack Engine Oil Filler Cap closes the fill neck located on the engine. Its cap design blocks contaminants from entering the lubrication system between oil service intervals. This closure also prevents oil from escaping through the fill opening during engine operation. The cap sits over the oil fill neck where it forms a secure seal against the opening. Engine lubrication systems depend on clean oil circulating through internal passages. At the top of the fill neck, the Mack 25100668 closes the entry point leading into the engine oil system.
| Brand | Part Number |
|---|---|
| 25100668 |
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