Explore our selection of pump rebuild and service kits—designed to simplify maintenance and extend the life of your fluid-handling systems. At Pump‑Stop.com, we carry OEM rebuild kits for popular brands and series, including Grundfos CR/CRI, SQE, SP, and DDA dosing pumps. Kits typically include mechanical seals, O-rings, gaskets, impellers, diaphragms, and hardware needed for a full overhaul. These comprehensive sets save time by delivering precisely matched parts in one package, ensuring proper fit and consistent performance. Ideal for routine rebuilds or proactive maintenance, they help reduce downtime and avoid costly replacements. Whether you're servicing a residential well pump, industrial booster, or municipal treatment system, our expert team can assist in selecting the right kit for your model. Expect fast U.S. shipping and secure checkout with every order.