The Graco 243159 Displacement Pump is a high-performance fluid section engineered specifically for the LineLazer 250SPS series of pavement marking equipment. This genuine Graco OEM component is designed to withstand the rigorous demands of high-volume line striping applications. It features a robust construction centered around a premium chrome rod and sleeve. The hard-chrome plating provides exceptional resistance to the abrasive nature of traffic paints, significantly reducing friction and minimizing premature wear on packings. This design ensures consistent fluid delivery and reliable pressure maintenance during operation. By utilizing the 243159 fluid section, contractors can minimize downtime through faster field serviceability and extended service intervals. Investing in this authentic Graco replacement part guarantees perfect compatibility and maintains the precision performance standards of the LineLazer IV and V 250SPS systems. This essential replacement assembly is the professional choice for maintaining peak spray efficiency and achieving professional-grade striping results on parking lots, roadways, and athletic fields.