It is important to have the well suited plastic fence post cap for 4x4. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Nuvo Iron Plastic Fence Post Cap For 4X4 READ REVIEW

Best For Vinyl Fence: Buy: Jake Sales Plastic Fence Post Cap For 4X4 READ REVIEW

Best For Stainless Steel: Buy: Jsp Manufacturing Plastic Fence Post Cap For 4X4 READ REVIEW

Best For Great Price: Buy: Fence Supply Online Plastic Fence Post Cap For 4X4 READ REVIEW

Best For Easy Installation: Buy: Wearpro Post Caps Plastic Fence Post Cap For 4X4 READ REVIEW

Best For Wooden Fence Post: Buy: Wearpro Post Caps Post Cap READ REVIEW

Best For High Quality Vinyl: Buy: Weatherables Plastic Fence Post Cap For 4X4 READ REVIEW

Best With Nice Finish: Buy: Jsp Manufacturing Nominal Cap READ REVIEW

Best For Perfect Match: Buy: Weatherables Gothic Cap READ REVIEW

Best For Right Size: Buy: Custom Fence Plastic Fence Post Cap For 4X4 READ REVIEW

Best With Hole: Buy: Gkoled Plastic Fence Post Cap For 4X4 READ REVIEW

Best For Black Plastic: Buy: Tongass Plastic Fence Post Cap For 4X4 READ REVIEW

Best Overall: Nuvo Iron Plastic Fence Post Cap For 4X4

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Compared with other caps in this category, the Nuvo Iron Plastic Fence Post Cap For 4X4 has a design with broader appeal. The nuvo iron plastic fence post cap for 4x4 allows for great looks and has an elegant design. Their design versatility makes them perfect for contractors and diyers and ensures they'll be the perfect addition to your backyard. This long - lasting post cap is made from marine grade aluminum and features a powder - coated and thermally bonded satin finish.

The cap installed easily, it fits very well and has a modern design. Also, it is very nice, it looks good and has a clean design. Above all, the nuvo iron plastic fence post cap for 4x4 is good for fast delivery, It looks very nice, it is solar and has a decorative pyramid design.

Almost all buyers opine that the cap is easy to install, they’re great, heavy - duty quality. And, they strongly agree that the cap is a perfect fit, nice looking, protects post from rain. And, they also found that the cap fits both a 7-1/2" x 7-1/2" post, and an 8"x8" post. Overall, many buyers have used the cap for more than a few months without any complaints, and it shows no sign of giving up.

• Its sleek, elegant and simple pyramid design will complement any project or space.
• The cap would fit a post 5 1/2 inch square perfectly.
• This fits a standard 6 x 6 pressure treated post.
• This is a very good - quality aluminum cast cap.

Best For Vinyl Fence: Jake Sales Plastic Fence Post Cap For 4X4

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The Jake Sales Plastic Fence Post Cap For 4X4 is suitable and reliable and fits well with your daily use. The Jake sales plastic fence post cap for 4x4 has found these on amazon and it is true to size. Post caps add a finishing touch to your vinyl fence. Moreover, this is highly recommended and it is strong.

Lastly, the jake sales plastic fence post cap for 4x4 fits 4" x 4" vinyl/pvc posts.

Most customers opine that the cap fits the 4×4 post, the top is larger and decorative 5×5. In addition, they also found that the cap has stayed on through 40mph winds so far with no issues. In addition, a few say that the vinyl sleeve has about a 3 - 5/8 " i.d. Without any doubt, this cap passed the test and had very satisfied buyers eager to share their experience.

• ✔ you need to measure the vinyl post outside diameter prior to purchase!.
• This is made of durable, low-maintenance vinyl.
• This fits snug not loose and also it is easy to paint and install.
• This measures closer to 3-1/2" x 3-1/2" actual.

Best For Stainless Steel: Jsp Manufacturing Plastic Fence Post Cap For 4X4

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Jsp Manufacturing has been making great caps for years, thanks to a combination of clever design and appropriate materials. The Jsp Manufacturing Plastic Fence Post Cap For 4X4 is made for a great fit and it is for stainless steel. Make sure this fits by entering your model number. These caps for nominal 4x4 fence post that measures 3-5/8"x 3-5/8.

Lastly, the jsp manufacturing plastic fence post cap for 4x4 is best with a reasonable price and it is best for a great appearance.

Almost all buyers quickly discovered that the cap fit over standard 4 x 4 posts with a little extra space. Moreover, they say that the cap fits right on top without screws or anything. And, a few strongly agree that the cap fits the 4x4s perfectly, additionally looks good and no more rot. In conclusion, most buyers found the cap is functionally comfortable and no one questions it.

• This is easy to install, fits correctly, good value for the price.
• It is worth the price and it is very nice.
• This has been a great replacement at the right cost.
• This will dress the post tops for you.

Best For Great Price: Fence Supply Online Plastic Fence Post Cap For 4X4

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Fence Supply Online offers a variety of caps for personal choice and yet maintains quality in all the variants. The Fence Supply Online Plastic Fence Post Cap For 4X4 is really nice, as well, It is great for a great look and has great style. Take time to measure your post. Not all 4x4 posts are the same dimension. These black fence post caps are for a standard 4x4 wood fence post (3.5"x3.5") This cap measures 3 5/8"x 3 5/8.

Most importantly, the fence supply online plastic fence post cap for 4x4 is useful and it looks great.

Most buyers found that the cap can be painted with krylon to meet any look. Further, a few strongly agree that the cap is too early to tell how long it will last.

• This will protect the cut post from rotting along with wood preservative.
• Really, adhesion is not a problem, one screw secures the cap forever.
• This fits the posts, is very nice and it is worth the money.
• These fit fine, and a single screw in the top holds them in place.

Best For Easy Installation: Wearpro Post Caps Plastic Fence Post Cap For 4X4

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Not everyone likes to purchase caps for their regular use, but the wearpro post cap plastic fencepost cap for 4x4 would be an anomoly. The wearpro post cap plastic fence post capfor 4x4 fits a standard 4x4 mailbox, deck, lamp post, dock and piling posts. Why buy plastic when you can install aluminum. Also, it is made of sturdy cast aluminum.

Finally, the Wearpro Post Caps Plastic Fence Post Cap For 4X4 fits 3.5" x 3.5" (4" nominal) standard wood post.

Almost all buyers opine that the cap covers about 3/4" of post tops. Also, they strongly agree that the cap fits a 3 1/2 " by 3 1/2 " post, it doesn't fit snug. Further, they say that this cap is perfect to improve appearance and, most importantly, to lengthen the life of the post by keeping water out of the end grain. In conclusion, most buyers agree that the cap suits them best, and no one questions it.

• This fits perfectly on the 4x4 post.
• This is designed for a true 4" by 4.
• This does not overlap the post by more than 1/2" at best.
• This looks like good quality, otherwise.

Best For Wooden Fence Post: Wearpro Post Caps Post Cap

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If you often find yourself scrambling for an appropriate and satisfactory cap, Wearpro Post Caps Post Cap is your solution. The wearpro post caps post cap fits 3.5" x 3.5" (4" nominal) standard wood post. Protects your posttops from rain and sun to prevent premature rotting. Also, the cap is highly recommend, is ornamental, it makes for nice quality and has a simple design.

The cap is worth the money, is very nice, It offers 1207b for really high quality and has an attractive design. Most importantly, the wearpro post caps postcap is really nice, it fits right for the right size and has a durable design.

Most customers quickly discovered that the cap is made with an easy fit to post. In addition, a few strongly agree that the caps are not tight or snug to install. Also, they say that note: if the top of the post is flat, the cap will cover the post by 5/8 " of an inch.

• This includes 2 wooden screws plus it fits snugly on top of the 4x4.
• This is made of sturdy cast aluminum.
• This postcap is 3-5/8" x 3-5/8" as most 4x4's are 3-1/2" square.
• Why buy plastic when you can install aluminum ?.

Best For High Quality Vinyl: Weatherables Plastic Fence Post Cap For 4X4

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We would, of course, be remiss if we didn't mention weatherable plasticfence post cap for4x4 for daily purpose. The weatherable plastic fence post cap for 4x4 looks great and it is much cheaper. The manufacturer says: All of our caps are made in the USA with high quality, durable PVC vinyl. The post will go into the dome ball cap .68 inches.

The caps are UV and water resistant for a lasting look that will never fade. Finally, the weatherable plastic fence post cap for 4x4 measures 3.5 inches x 3.5 inches.

Almost all customers agree that the cap is designed to nest around the outside of a vinyl post sleeve. In addition, a few also found that the cap was a white, vinyl post cap made to fit a true 4"x4" post. In conclusion, most buyers agree that the cap suits them best, and no one questions it.

• This is manufactured from premium - quality, durable PVC vinyl, maintenance - free.
• Inside it has a dome ball cap that is both UV and water resistant.
• The dome ball post cap will not fade, discolor or warp over time.
• This is a perfect fit, exact replacement for the old one.

Best With Nice Finish: Jsp Manufacturing Nominal Cap

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Jsp Manufacturing line of caps comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Jsp Manufacturing Nominal Cap comes with an attachment friction fit, It looks fantastic and it looks great. Make sure this fits by entering your model number. Moreover, the cap is designed for easy installing and it is highly recommend.

The cap is designed for a great price and it provides great value. Finally, the jsp manufacturing nominal cap is strong and it is true to size.

Most buyers opine that the cap fits 4x4 a500 steel perfectly. Further, they say that the cap is a great company to deal with. Also, they say that the cap will fit over a 4x4 steel square tube which is exactly 4x4. With no doubts, this cap passed the test and had very satisfied buyers eager to share their experience.

• Add a simple, clean appearance to your fence, railing or mailbox post.
• This can be secured with nails or silicone, should be pre-drilled if secured with nails.
• This can be painted, must use a paint that adheres to plastic.
• There is also a nominal 4x4 cap measuring 3-58"x 3-58" for that post.

Best For Perfect Match: Weatherables Gothic Cap

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The weatherable gothic cap should be able to handle its purpose and duties with ease. The Weatherables Gothic Cap is great for the perfect size and it is designed for a great price. Plus, it is made of high quality vinyl, so you won't have to worry about sanding, painting, or sealing it. The gothic postcap will not fade, discolor or warp over time.

Lastly, the weatherable gothic cap is both UV and water resistant and will last for years.

Most buyers opine that the cap is perfect and is a single heavier plastic piece so it should hold up better. Further, a few strongly agree that the cap matches the vinyl fence plus it looks great and is a good value. And, they say that the cap fits snug enough that no glue is needed.

• The post will go into the gothic cap 1.35 inches.
• These are UV and water resistant for a lasting look that will never fade.
• If you have any questions, please message us.
• It measures 3.5 inches x 3.5 inches.

Best For Right Size: Custom Fence Plastic Fence Post Cap For 4X4

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The Custom Fence Plastic Fence Post Cap For 4X4's superior materials makes sure that it ages well with use. The custom fence plastic fence postcap for 4x4 is perfect for the right size and has a classic design. Not only will this post cap give your fence a finished look, but it will also protect it from harmful damage that can be caused by water or debris. The design of this cap is tappered on the inside to allow for a snug fit around the post.

The cap is easy to install and is designed to fit a 4" x 4" vinyl post. Further, it looks great, it is made for a decent price and has great style. Most importantly, the custom fence plastic fence post cap for4x4 will not fit a 4x4 wood post as true 4x4 wood posts are actually 3.5" x 3.5.

"Matched 18yr old fence cap perfectly. " - says, one customer. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

• It is made from high-quality white vinyl that is built to withstand the elements.
• Color and style: white New England post cap.
• Pack size: one New England styled post cap.

Best With Hole: Gkoled Plastic Fence Post Cap For 4X4

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The Gkoled Plastic Fence Post Cap For 4X4 is capable of outshining several other caps featured in this list in overall features for the price point. The gkoled plasticfence post capfor 4x4 is designed for a great price and it adds a finishing touch. The manufacturer says: Our residential led products come in classic styles that aim to enhance the atmosphere and appeal of your home and garden, making your important moments more wonderful. Also, the cap comes with an easy-to-install pyramid cover designed to fit standard 4" x 4" vinyl posts.

The cap is high-quality and reliable, plus it is made of durable, low-maintenance vinyl. Finally, the gkoled plastic fencepost cap for 4x4 is made for outdoors (not included) and slides over fence post.

Almost all customers quickly discovered that the cap is designed for a 4x4 post top (actual dimensions 3-1/2 by 3-1/2 inches) and press-fits that nicely. In conclusion, for most buyers, the cap was just what they wanted.

• If you have any questions, please message us.
• This does the job and it has led to lighting.
• This allows for easy installation and it works great.
• This white pyramid post cap looks very exclusive.

Best For Black Plastic: Tongass Plastic Fence Post Cap For 4X4

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate cap. The Tongass Plastic Fence Post Cap For 4X4 is exactly that - it's a simple cap that hits all the right notes. The tongass plastic fence post cap for 4x4 is easy to install and secure fence post caps. Make sure this fits by entering your model number. These plastic postcaps don’t look tacky.

Above all, the tongass plastic fence post cap for 4x4 comes with inside dimensions of 3 5/8 inches by 3 5/8 inches and an edge height of 1/2 inch, These black plastic fence post caps will fit perfectly on most fence posts.

"These are plastic so regular paint wo stick. " - says, one customer. Overall, many buyers have used the cap for more than a few months without any problems, and it shows no sign of giving up.

• This is probably the most affordable pack of fence post plastic caps in the market.
• Good brand reputation.