Excellent replacement part. The Shark 8.721 831.0 721 831 0 Oil Seal Plunger Rod Karcher arrived quickly and fit perfectly. Quality feels solid and performance met expectations.

8.721-831.0 OIL SEAL, PLUNGER ROD
| Part number: | 8.721-831.0 |
|---|---|
| SKU Number: | SRK-8.721-831.0 |
| Warranty: | 1 Year |
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$72.68
Product Description
Product Features
8.721-831.0 OIL SEAL, PLUNGER ROD Repair Part
The 8.721-831.0 OIL SEAL, PLUNGER ROD 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.
Choosing the correct replacement component such as the 8.721-831.0 OIL SEAL, PLUNGER ROD allows repairs to focus on the exact part that requires attention. This can help reduce downtime and simplify maintenance planning while ensuring the equipment continues operating within its intended design parameters.
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Kevin W.
28 Nov, 2025