Diesel Coolant Extender

Diesel Coolant Extender is designed to maximize coolant life between drain intervals by replenishing coolant inhibitors that guard against rust and corrosion. The advantage of using an extender is that it boosts nitrite levels for protection against liner pitting caused by cavitation.

Performance Features & Benefits:

  • Extends coolant in-field service life up to 960,000 km, 12,000 hours or 6 years
  • Replenishes corrosion inhibitors
  • Provides nitrite boost for protection against liner pitting
  • Specifically for use in HD Diesel EXL Extended Life Antifreeze/Coolant
  • Phosphate Free

APPLICATION: Use only with extended life coolants meeting the performance requirements of ASTM D6210. The coolant extender should be added at 480,000 km or 6,000 hours of operation, whichever occurs first.

Note: Do not use for initial fill or as a coolant top-off. Not for treatment of traditional type coolants.

Treat rate for Diesel Coolant Extender

Cooling System Capacity Extender Volume to Add
Litres / Gallons Bottle Quantity
20 – 30 L / 5 – 8 gal 1
30 – 45 L / 8 – 12 gal 1 1/2
45 – 60 L / 12 – 16 gal 2
60 – 75 L / 16 – 20 gal 2 1/2
75 – 90 L / 20 – 24 gal 3
90 – 120 L / 24 – 32 gal 4

  Container Size Units Carton Size Gross  
Item # Size UPC H (cm) L (cm) W (cm) /Case H (cm) L (cm) W (cm) Weight SCC14
16-571 946 mL 056438165712 23.80 10.20 7.40 6 24.50 30.00 14.30 6.50 60056438165714