General Pump Kit 102 (K102) is the genuine OEM maintenance kit for the built-in unloader used on General Pump CPH Series 57, TT Series 51, and TP Series 51 triplex plunger pumps. Rebuilding the unloader with fresh OEM seals, o-rings, and valve components restores correct bypass pressure and protects the pump from spikes when the trigger is released.
- General Pump genuine OEM service kit
- Services the built-in (integrated) unloader valve
- Fits CPH Series 57, TT Series 51, and TP Series 51 pumps
Keeping the unloader serviced helps prevent pressure spikes, bypass wear, and premature seal failure.
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