Description
License Plate Nylon Inserts: #14 Push-In Nuts for 3/8″ Square Holes, Pack of 100
These license plate nylon inserts fit most American cars and trucks that use #14 screws to attach a license plate. Each long-lasting nylon insert replaces a missing or damaged original push-in nut on the trunk, liftgate, hatch, rear bumper, or anywhere else a plate mounts. The 5/8″ square head snugly fits a 3/8″ square hole on domestic cars, and you get 100 in a pack.
Why License Plate Nylon Inserts Wear Out
Heat and cold make the original push-in nuts behind a license plate brittle over time, so they crack, strip, or fall out, and every plate swap adds more wear. Once one goes, the screw spins and the plate won’t stay tight. A fresh nylon insert gives the screw something solid to bite into again, and because it is nylon, it will not rust in place the way a metal clip nut can.
That’s why dealers, service departments, and body shops keep license plate nylon inserts in the hardware drawer: a plate goes back on tight in a minute, without a trip to the parts counter.
What makes this one worth keeping in the garage:
- Fits most American cars and trucks that use #14 license plate screws
- Replaces missing or damaged push-in nuts
- Works on the trunk, liftgate, hatch, rear bumper, and other plate mounts
- 5/8″ square head fits a 3/8″ square hole on domestic cars
- Long-lasting nylon
- Pack of 100
License Plate Nylon Inserts Specs
- Item: license plate nylon inserts
- Pack size: 100
- Push-in insert: fits a 3/8″ square hole
- Use with screw size: #14
- Head: 5/8″ square
- Overall length: 3/8″
- Material: nylon
- Brand: Hot Wax Garage
How to Install License Plate Nylon Inserts
- Remove the old, broken push-in nut from the square hole.
- Push a new nylon insert into the 3/8″ square hole until it seats.
- Line up the plate and drive a #14 screw into the insert.
Tip: Screws are sold separately. Pair these with our dealer license plate screws or thumb screws listed below.
License Plate Nylon Inserts Quick Answers
- Will they fit my car? They fit most American cars and trucks that use #14 screws and have a 3/8″ square hole.
- Do they come with screws? No. Screws are sold separately.
- How many come in a pack? 100.
- Where do they go? Into the 3/8″ square plate holes on the trunk, liftgate, hatch, rear bumper, or anywhere else the plate mounts.
- Are these the same as license plate grommets? Yes. Many people call them license plate grommets, push-in nuts, or plastic license plate nuts.
- Do they fit imports? They’re made for the 3/8″ square holes on domestic cars. For imports, see our License Plate Screws for Imports.
Screws That Go With Them
- License Plate Thumb Screws
- Car Dealer License Plate Screws, Slotted Hex Head
- GM Duo-Drive Truss Head License Plate Screws
- Rubber Coated Dealer Tag License Plate Magnets
Shop all our Auto Dealer Products.
Why Buy From Hot Wax Garage?
Hot Wax Garage isn’t a warehouse reselling whatever’s trending — it’s run by professional auto detailers who actually use this stuff on cars, not just ship it out. We stock premium detailing products, professional-grade supplies, and car care essentials that detailers, dealerships, car washes, and restoration shops actually rely on. We also carry automotive dealer supplies; we’re an Authorized Lloyd Mats Dealer for custom-fit floor mats, and we’re building out a growing lineup of wheel center caps and accessories. If it’s on our shelves, someone here tested it or vetted it firsthand—none of it came from a supplier’s catalog sight unseen. That’s backed by fast shipping, real customer service, and fair prices. Thanks for shopping with Hot Wax Garage!
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