2005-2010 Ford Mustang Aluminum Coolant Tank - Uses Ford RS-90 Cap
Specifications Part numbers, fitment codes and shipping
- Brand
- K2 Industries
- Speedzone SKU
- K2-2023-FORD-006-CET
- Manufacturer part number
- K2-2023-FORD-006-CET
- UPC
- TANK-COL-009
- Category
- Coolant / Expansion Tank
- Shipping weight
- 2.0 lb
2005-2010 Ford Mustang Aluminum Coolant Tank — Ford RS-90 Cap Compatible
Aluminum construction replaces the factory plastic expansion tank with a corrosion-resistant upgrade. Works with the OEM Ford RS-90 cap for direct bolt-in compatibility. Designed to handle thermal cycling and maintain consistent coolant levels without degradation.
Key Features
- Aluminum body - Eliminates plastic failure and provides superior heat dissipation compared to OEM tanks
- RS-90 cap mount - Uses your existing Ford cap with no adapter needed
- Direct replacement - Mounts to factory coolant system without modification to lines or fittings
Specs
- Material: Aluminum
- Configuration: Single-tank expansion design
- Condition: New
Whats Included
- Aluminum coolant tank assembly
Frequently Asked Questions
Will this work with my existing coolant cap and hoses?
Yes. The tank is designed to accept the Ford RS-90 cap directly, and all factory coolant line connections remain unchanged — no adapters or modifications required.
Do I need to flush the system before swapping in the new tank?
It's best practice to drain and flush your cooling system before installation to remove any sediment or debris. This ensures the new aluminum tank stays clean and the coolant flows freely.
Can this be installed myself with basic hand tools?
Standard coolant system work — disconnect hose clamps, unbolt the old tank, bolt in the new one, and reconnect hoses. If you've done radiator or thermostat work before, you've got the skillset. Let the engine cool first and catch any spillage.
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Answers to common questions are on our FAQ page.
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