Diesel Fuel Quality & Aging Guide

Understand How Diesel Changes Over Time.

Diesel fuel ages and degrades in storage. This guide explains what happens and how to manage it.

How Diesel Fuel Ages

• Oxidation and darkening
• Asphaltene dropout and haze
• Increased sludge and sediment

Key Factors in Diesel Fuel Quality

• Water content
• Microbial contamination
• Stability and clarity

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Testing Aging Diesel

Field test kits provide quick checks for water, microbes, and visible contamination. Lab testing can confirm full ASTM D975 parameters.

Maintaining Diesel Quality Over Time

• Regular testing
• Fuel polishing and water removal
• Proper storage and tank maintenance

Manage Diesel Aging with Testing & Maintenance

Get a Quote on West Coast and Mid West Home Office
Call 530-613-2150
Text 530-613-2150
Email sales@dieselcraft.com

Get a Quote in Eastern States Sales Office
Call 772-215-8087
Text 772-215-8087
Email bob.vogel@dieselfiltrationproducts.com

Get a Quote in Gulf Coast States Sales Office
Call 337-277-5417
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