Dylect® Pressure Washer Genuine Spare Part – O-Ring 4.5×1.8 (Located in Pump Head – Small Passage Seal) | NBR Rubber | Compatible Only with Flow Prime Model (Pack of 1)
The Dylect® O-Ring 4.5×1.8 is a genuine sealing component engineered for small passage sealing inside the Flow Prime Pressure Washer’s pump head. Made from durable NBR rubber, it ensures leak-free operation and stable pressure maintenance.
Flattened or hardened O-rings can cause internal leakage and pressure fluctuations. Service Note: Replace during any disassembly or when visible wear appears. Genuine Dylect O-Rings ensure consistent sealing and long-term reliability.
Best offers for you!
- GENUINE FLOW PRIME FITMENT – Sized specifically for the Flow Prime Pump Head to seal critical small passages and prevent water bypass or leakage.
- SMALL PASSAGE SEAL FUNCTION – Ensures pressure-tight sealing in narrow pump channels, supporting consistent water delivery and stable pressure output.
- PREMIUM NBR RUBBER – Built from high-quality Nitrile Butadiene Rubber (Buna-N), offering excellent flexibility, compression set resistance, and durability under pressure.
- LOCATED IN SMALL SEALING GROOVE – Fits inside precision-machined grooves within the pump head to maintain proper sealing under continuous operating cycles.
- SERVICE & LONG-TERM RELIABILITY – Replace if flattened, hardened, or worn. Genuine Dylect O-Rings maintain pump sealing integrity and long-term performance.
- GENUINE FLOW PRIME FITMENT – Sized specifically for the Flow Prime Pump Head to seal critical small passages and prevent water bypass or leakage.
- SMALL PASSAGE SEAL FUNCTION – Ensures pressure-tight sealing in narrow pump channels, supporting consistent water delivery and stable pressure output.
- PREMIUM NBR RUBBER – Built from high-quality Nitrile Butadiene Rubber (Buna-N), offering excellent flexibility, compression set resistance, and durability under pressure.
- LOCATED IN SMALL SEALING GROOVE – Fits inside precision-machined grooves within the pump head to maintain proper sealing under continuous operating cycles.
- SERVICE & LONG-TERM RELIABILITY – Replace if flattened, hardened, or worn. Genuine Dylect O-Rings maintain pump sealing integrity and long-term performance.

