![](https://sp-ao.shortpixel.ai/client/q_lossy,ret_img,w_300,h_214/https://onyxadditives.com/wp-content/uploads/2022/09/marine-1.png)
onyx 69000
ONYX 69000 is a versatile core additive package designed for use in combination with ONYX 69300 or ONYX 69800 to formulate Trunk Piston Engine oils (TPEO) and System Oils (SO).
![](https://sp-ao.shortpixel.ai/client/q_lossy,ret_img,w_300,h_214/https://onyxadditives.com/wp-content/uploads/2022/09/marine-2.png)
onyx 69300
ONYX 69300 is a part additive package for the formulation of trunk piston engine oils.