Onan OnaMax SAE 15W-40 Engine Oil is factory tested to offer maximum protection. OnaMax Engine Oil is a conventional, non-synthetic oil specially formulated to reduce consumption and engine wear due to high temperature oil oxidation and viscosity increase. All Onan Generators from the factory are shipped with OnaMax 15W-40.
Before You Order
Verify part number 0326-5336 exactly Match the listed product details to the part you are replacing before ordering. Compare dimensions, specifications and fitment information with your RV or component.
Frequently Asked Questions
What part number should I verify before ordering?
Verify 0326-5336 on your existing part, documentation or equipment label before ordering.
How should I confirm this part fits?
Compare the listed part number, dimensions, specifications and fitment details with your existing component. Do not rely on appearance alone.
