Heavy Duty Coolant Reservoir Cap Direct Replacement For Select Freightliner Kenworth Peterbilt Trucks, Durable Seal, Easy Install, Replaces Cracked Or Lost Cap, Secure Fit For Long Haul Rigs
✔️ Direct-fit, seal-tested cap for select heavy truck reservoirs
The heavy-duty coolant reservoir cap is a direct replacement designed for heavy trucks with engine cooling systems. It replaces cracked or lost caps and helps maintain proper pressure in the cooling system. Check compatibility with your model in the garage tool before purchasing. Compatible with Freightliner Cascadia and Columbia (2010-2014), Kenworth T660/T800/W900 (2008-2010), Peterbilt 330-389 (2008-2010).
✅ Direct replacement for cracked or lost cap
✅ Seamless fit, reverse-engineered from OEM
✅ Matches reservoir cap dimensions for listed models
✅ Easy install, lower cost than dealership replacement
✅ Color: Black; durable seal for long-haul use
💡 What is a heavy-duty coolant reservoir cap used for in truck cooling systems?
In short, it's a handy maintenance part that seals the coolant reservoir to keep coolant under proper pressure, prevent leaks, and avoid overheating on long hauls.
- Direct replacement that preserves cooling system pressure and prevents leaks
- Designed to fit OEM dimensions on the listed heavy-duty models
- Saves time and money by avoiding trips to the dealership