In Stock

MK4 Full Service Seal Kit

Name: MK4 Full Service Seal Kit
SKU: Z4128-401
Availability: InStock

SKU: Z4128-401

Full Service seal & rebuild kit for the MK4 Hill Pump.

£22.16

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MK4 Full Service Kit - Complete Rebuild & Reseal Kit

The Hill MK4 Full Service Seal Kit (Z4128‑401) provides every essential replacement component required to fully service, rebuild, and restore your Hill MK4 PCP hand pump. Designed by Hill for long‑term reliability, this comprehensive kit includes all seals, the piston seal, and the micron filter needed to return your pump to smooth, airtight, factory‑level performance.

Perfect for pumps that have begun to show signs of wear—such as air leakage, increased resistance, or loss of pressure—this full service kit ensures effective high‑pressure operation and extends the lifespan of your Hill MK4 hand pump.