By Wilbar



Part # 1490211

Alternate Part #'s NLR-1490211

Product Description

Atlantic Cap Upper (Single)

Used With:

The pearl colored version of this top cap is part number 1490239.

Above ground pool parts are not universal and can be difficult to identify. Inyo wants to make every effort  that your order meets your requirements. If you are not confident that you have chosen the right parts - Please send the following information that is requested below.  Inyo will forward to the information provided to the manufacturer to see if they can determine if the pool is one of their models.

Click here to submit the information requested below.

*   Size of the pool & approximate age of the pool?

*   Image of the pool wall.

*   Image of the upright

*   Image of the top rail connection to the upright.

*   Name & age of the pool (if known) 

Product Specifications

Front Width:
7-1/2 in.
Back Width:
5-1/2" in.
10-3/8" in.
Top Cap Support:
Commonly Used On:
Light Gray

?     Asked on 4/12/2017by amanda

i have an older sierra 18 round pool. My top caps broke. there are 12 of them. which ones do I order?

A  Answered on 4/12/2017 by InyoPools Product Specialist Scott W.

Looks like the top cap is part number 1490259 and the support cap is part number 1490219.

?     Asked on 5/14/2017by wendy

do the caps come in different sizes atlantic 24 round pool

A  Answered on 5/14/2017 by InyoPools Product Specialist Stacey M.

Hello Wendy, They come in different sizes due to which model Atlantic pool you have. If you need our tech to figure out which one, please send a picture of the side of the pool and size measurements of the top cap to

?     Asked on 5/21/2019by Bruce Morsey

I'm having a hard time finding top cap on the inside of the pool is 9" on the outside 6"1/2 the length of Is roughly 11" it's a 24 foot round


A  Answered on 5/21/2019 by InyoPools Product Specialist Robert M.

Hello Bruce - We have your top cap in the beige color. The part number is 1490546.

?     Asked on 6/13/2019by Keith

Do you ship to Ontario, Canada ? Thank You

A  Answered on 6/13/2019 by InyoPools Product Specialist Matt S.

Yes, we do ship internationally.

?     Asked on 6/18/2019by Inyo Visitor

Looking for top caps for Aquasport aboveground 52 inch high panel oval wall pool

A  Answered on 6/19/2019 by InyoPools Product Specialist Robert M.

Unfortunately, we do not carry top caps for Aquasport above ground pools.


Est. Repair Time

Less than 1 hr

Tools Needed


1     1

Caps were breaking off the pool, i had no idea the replacement part or how to put it on

Written on 5/31/2018 by Guest

First i had to go online an order the part, after reviewing some instructions from inyo pool website, i found that i need the lower caps as well..i then was able to unscrew old ones an screw back in the new lower caps, an then pop the top caps on..this reduced eyesores an rust

Were these instructions helpful? 


Review Summary

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