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frame plugs

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I've been trying to find a set of plugs to cover the big crossmember openings that are visible in the rear wheel wells.  Has anybody found some that fit?  All I can find are ones for 1500's and older body style 2500-3500's which appear to be a slightly different size.

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26 minutes ago, Another JR said:

Would wheel well liners address your concern while preventing trapped fluid in the frame?


I have the oem liners; they do not cover the rear crossmember opening.

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1 hour ago, CT Chevy Connoisseur said:



so 2 of the bigger plugs in that pack of 6 for sure fit in the rear frame crossmember openings?  The description list it as only going up to the 2019 body style.

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