Heavy-Duty Coolant Surge Tank for Freightliner Columbia / M2 / Century & Sterling Semi Trucks – Replaces A05-25263 Series (PL-5203-ET1)
Heavy-Duty Coolant Surge Tank for Freightliner Columbia / M2 / Century & Sterling Semi Trucks – Replaces A05-25263 Series (PL-5203-ET1)
Keep your Freightliner or Sterling rig running cool with this heavy-duty coolant surge tank — a direct-fit replacement for the A05-25263 series expansion tank. Molded from high-grade heat-resistant plastic and shipped complete with reservoir cap and coolant level sensor for a true drop-in install.
Key Features
- High-grade heat-resistant plastic construction for long service life
- Includes reservoir cap and pre-installed coolant level sensor
- Integrated mounting brackets — direct-fit replacement, no modification required
- Withstands high engine-bay temperatures and pressurized cooling systems
- Rigorously pressure-tested for leak-free operation
- Heavy-duty design engineered for over-the-road commercial use
OE Cross-Reference
- Freightliner A05-25263-003 / A05-25263-005 / A05-25263-006
- Freightliner A0525263007 / A05-33118-000
- Dorman 603-5203
- Cross-reference 575.1073
- Thomas 376793011
Compatibility
Direct-fit replacement for a wide range of Freightliner and Sterling Class 8 rigs, including Freightliner Columbia 112 (2007-2014), Business Class M2 106 / 112, Classic XL, FLD120, FLD120SD (2008-2010), C120 Century (2006-2015), Sterling A8513, A9513, A9522, L7501, L8501 (2008-2010), Sterling C112 Century (2008-2015), and Thomas 376793011 (2006-2015).
What's in the Box
- 1 × Heavy-duty coolant surge tank (PL-5203-ET1)
Note: Coolant not included. Confirm fitment against your OE part number before ordering.