Locking Knob - CX900G



Part # 4663-01

By Hayward Pool Products

  4.5 Average  



Part # 4663-01

Manufacturer Code CX900G

Dimensions 6" L x 4" W x 3" D

Alternate Part #'s CX900G, HAY0511464

Product Description

OEM locking knob used on all Hayward StarClear Plus cartridge filters except the 175 sq ft model (see 4663-09 for the 175 sq ft knob).

This knob locks the filter head in place.


?     Asked on 5/13/2018 by michael lerner

I have a C1200 and the threads in the locking are stripping. Will this part work as a replacement?

A  Answered on 5/13/2018 by InyoPools Product Specialist Lennox H.

Hi, Michael. Yes, this is the correct Locking Knob - CX900G for the C1200 filter. It will be wise to also get the Cone Kit - CX900DA which includes the replacement washers, e-clip, and o-ring.

?     Asked on 12/29/2017 by Walt

I have a model c-900 the thread inside is stripping out had a hard time getting lid off is this the right part???

A  Answered on 12/29/2017 by InyoPools Product Specialist Michelle B.

Hi Walt, This will be the correct part for you to order.

?     Asked on 6/19/2017 by Dennis Shannon

The Hayward model is C19002S is part 4663-01 the correct locking knob replacement?

A  Answered on 6/20/2017 by InyoPools Product Specialist Lennox H.

Hi, Dennis. This locking knob will not work, you'll need p/n CX1750G.

?     Asked on 6/14/2016 by Jeanie

We have the c1900 series. Will this fit?

A  Answered on 6/16/2016 by InyoPools Product Specialist Lennox H.

Hi Jeanie, The Locking Knob-CX1750G is the correct one for the C1900 Filter.

?     Asked on 5/25/2016 by Kenny

Just bought this from you. It leaks around top. What is wrong?

A  Answered on 5/25/2016 by InyoPools Product Specialist Dennis R.

Kenny, There is an O-ring underneath the Filter Head. See item #2 in this diagram. Make sure it is intact.

?     Asked on 9/23/2014 by Guest

We have C1200, will this knob fit the to lid?

A  Answered on 9/23/2014 by InyoPools Product Specialist Patrick P.

The lock knob part number cx900g will fit the Hayward C1200 filter.


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