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Stock JK Tech Bulletin board forum regarding issues with OE (original equipment) components of the Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) such as factory suspension parts, engine, transmission, body parts, interior fixtures and the on-board computer.

Plastic floating in radiator

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Old Mar 16, 2026 | 06:39 AM
  #1  
Waywardtravel@yahoo.com's Avatar
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Default Plastic floating in radiator

Okay, I swapped radiators because I bought a JKU with a leaky one. I heard something inside the old radiator and was able to shake this plastic piece out? What is this from? What did I break now?
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Old Mar 18, 2026 | 05:15 PM
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Spike0180's Avatar
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Idk what that is, buts not from inside the engine. Likely something that fell into the radiator when the cap was off.
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