The Comet 10001-01817 is the genuine OEM unloader rebuild kit. It renews the unloader’s seals and internal wear parts so it regulates working pressure and routes bypass correctly when the trigger is released, protecting the pump from spikes.
- Genuine Comet OEM unloader rebuild kit
- Restores correct bypass pressure
- Replaces Comet 5026.0130.00
Set the unloader to the correct pressure after installation.








