Street Justice Performance Freeze Plugs – Dodge Ram Cummins (1988–2018)
Upgrade your Cummins-powered Dodge Ram with our heavy-duty freeze plugs, engineered to meet the demands of high-horsepower and tuned diesel builds. Designed for durability under extreme temperature and pressure, these plugs offer a secure seal to prevent coolant blowout—especially critical for performance and competition setups.
CNC-machined for precision and made from premium materials, these freeze plugs are a must-have for any 1988–2018 5.9L or 6.7L Cummins build, whether you're daily driving, towing, or pushing limits at the track.
Key Features:
- Fits Dodge Ram Cummins 1988–2018 (5.9L & 6.7L)
- High-strength construction for performance applications
- Prevents coolant loss under extreme conditions
- Ideal for tuned, deleted, or competition trucks
- Easy install with OE fitment
Take the worry out of your build—secure your cooling system with Street Justice Performance freeze plugs built for serious diesel power.
What Are Freeze Plugs?
Freeze plugs, also known as core plugs or Welch plugs, are small, disc-shaped components in an engine block that seal off core holes used during the casting process. They are often mistakenly called "freeze plugs" because they can help prevent engine damage from freezing coolant by allowing it to expand outwards if it freezes.
Here's a More Detailed Explanation:
- Core Holes: During the casting process of an engine block, core holes are created to allow for the removal of sand used in the casting molds.
- Sealing: Freeze plugs are pressed into these core holes to seal them and prevent coolant leaks.
- Sacrificial Role: While not their primary function, freeze plugs can act as a safety mechanism. If the coolant freezes, the expanding ice can push the freeze plugs out, potentially preventing cracks in the engine block.
- Corrosion: Freeze plugs are susceptible to corrosion, especially in older engines, which can lead to leaks.
- Replacement: When freeze plugs fail, they should be replaced to prevent coolant loss and potential engine damage.
