This item has been discontinued and is no longer available for purchase.
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National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for todays vehicles.
Slit-style vent plugs reduce pressure while preventing contamination
Steel Torx® screws eliminate back-out and resist contamination
Zytel® inspection window resists window clouding and cracking
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