JTL Parts Coolant Reservoir Tank for Freightliner Cascadia M2 106/112 Coronado Columbia (2008–2019) | Replaces A05-25263-006 525263005

JTL Parts Coolant Reservoir Tank (Radiator Overflow / Expansion Tank)

Replace a leaking or cracked coolant reservoir with a dependable direct-fit tank for select Freightliner trucks. This reservoir helps manage coolant expansion and overflow to support stable engine temperatures.

Fits These Freightliner Models

• Freightliner Cascadia (2008–2019)
• Freightliner Century Class (2008–2011)
• Freightliner Columbia (2010–2011, 2013–2015)
• Freightliner Coronado (2010–2019)
• Freightliner FLD120SD (2011)
• Freightliner M2 106 (2014, 2016)
• Freightliner M2 112 (2008–2019)

Replaces / Interchange Part Numbers

• A05-25263-006
• 525263005
• A0525263005
• A0525263007
• A0533118000
• 603-5203

Common Symptoms This Part Fixes

• Coolant leaks near reservoir area
• Low coolant level warnings
• Overflow issues or overheating concerns

Package Includes

• 1 Coolant Reservoir Tank (JTL Parts)

Important Notes

• Verify fitment by year/model and part number before ordering.
• Always allow the engine to cool before opening the cooling system.

Brand: JTL Parts
Part Type: Coolant Reservoir / Radiator Overflow Tank
Cross References: A05-25263-006, 525263005, A0533118000