CMP 25357-004-000 Challenger replacement front pump housingCMP Challenger Replacement Front Housing, 25357-004-000 In stock$14799
CMP 25357-004-000 Challenger replacement front pump housing
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CMP Challenger Replacement Front Housing, 25357-004-000

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$14799
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Quick overview

  • Replaces OEM 355302 A generic replacement for the original threaded Challenger housing.
  • Threaded housing The threaded version of the Challenger front housing, so check yours before ordering.
  • CMP built Made by CMP, a long standing manufacturer of aftermarket pool pump components.
  • Fits Challenger pumps For the Pentair Challenger pump family, including the hi head and high flow models.
  • The fix for a cracked volute A housing that has cracked, stripped a thread or split at a boss cannot be repaired, only replaced.
  • Costs less than the OEM part A practical option when the rest of the pump is sound and only the housing has failed.
Full description and specifications ↓

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Product details

The CMP 25357-004-000 is a front housing for the Pentair Challenger pump family. It is a generic replacement for the OEM threaded housing, part 355302.

When you need a housing

The front housing is the wet end body that the suction and discharge plumbing threads into and that the basket sits inside. Nothing about it is serviceable. Once it has cracked from a freeze, stripped a port thread, or split at a mounting boss, the only fix is a new housing. Trying to seal a cracked volute with epoxy buys weeks at best, and it usually fails under pressure with the pump running unattended.

OEM versus replacement

This is a CMP part, not a Pentair one. It is built to take the place of the 355302 threaded housing at a lower cost, which makes sense when the motor, impeller and seal plate are all still good and only the housing has failed. If your service history calls for factory parts throughout, order the Pentair housing instead.

Since the pump comes fully apart for this job, it is worth renewing the shaft seal, the housing gasket or o-ring, and the strainer basket at the same time.

Specifications
Brand CMP
Manufacturer part number 25357-004-000
UPC 849640004364
Type Front pump housing
Replaces OEM threaded housing part 355302
Fits Pentair Challenger pumps
Part type Pool Pump Part
Shipping weight 2.65 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Which part does this replace?
It is a generic replacement for the OEM threaded Challenger housing, part 355302.
Is this a genuine Pentair part?
No. It is a CMP replacement built to fit in place of the Pentair housing. If you need the factory part, order the Pentair one by its own number.
Is my Challenger the threaded version?
Check the suction and discharge ports on the housing you are removing. This part replaces the threaded housing, so confirm yours matches before ordering.
What else should I replace at the same time?
The pump has to come fully apart for this job, so most techs renew the shaft seal, the housing gasket or o-ring and the basket while it is open.
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