Delo® engine oils utilize our specialized ISOSYN® Technology, which combines premium base oils with high performance additives in a way that provides superb diesel parts protection that rivals synthetic performance. Delo engine oils with ISOSYN Technology help provide extended service protection, maximize engine durability and minimize operating costs. Delo is more than just a premium line of engine oils. From transmissions to differentials, from wheel bearings to shackle pins, we've got your equipment covered.
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