Solid replacement part. The Shark 8.637 177.0 637 177 0 O Ring 3 16 Dia X 9 5 Dia Foam Karcher installed without trouble and fixed the issue. Only 4 stars due to extra fitment verification.

8.637-177.0 O-RING, 3/16 DIA X 9.5 DIA FOAM
| Part number: | 8.637-177.0 |
|---|---|
| SKU Number: | SRK-8.637-177.0 |
| Warranty: | 1 Year |
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$105.98
Product Description
Product Features
8.637-177.0 O-RING, 3/16 DIA X 9.5 DIA FOAM Repair Part
The 8.637-177.0 O-RING, 3/16 DIA X 9.5 DIA FOAM is a practical replacement component for maintaining compatible equipment. When wear or damage affects performance, replacing the correct repair part helps restore proper operation and extends the working life of the machine.
Replacing a worn component with the correct part like the 8.637-177.0 O-RING, 3/16 DIA X 9.5 DIA FOAM helps restore equipment reliability and supports ongoing maintenance programs. A targeted repair approach allows service teams to keep machinery available for daily use without unnecessary replacement of larger systems.
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Allison P.
26 Aug, 2025