{"product_id":"polaris-pump-seal-ceramic-and-spring-pb4sq-r0747800dd1","title":"POLARIS PUMP SEAL CERAMIC AND SPRING PB4SQ R0747800(DD1)","description":"\u003cp\u003eThe Polaris PB4SQ Ceramic and Spring Mechanical Shaft Seal (Part #R0747800) is a genuine OEM internal pressure seal engineered to prevent water from leaking along the motor shaft of your booster pump. This heavy-duty assembly features a premium carbon-graphite ceramic mating ring and a corrosion-resistant stainless steel compression spring. Swapping a leaking or worn-out shaft seal is the single most critical step to prevent water from migrating backward into the motor housing and shorting out expensive internal windings or motor bearings.\u003cbr\u003e\nPart Number: R0747800 (Cross-referenced: PS-3890, 60881)\u003cbr\u003e\nMaterial: Ceramic, Stainless Steel Spring, Buna Rubber\u003cbr\u003e\nShaft Size: 5\/8\"Seal Head Type: Type D\u003cbr\u003e\nCompatibility: Engineered exclusively for the multistage Polaris PB4SQ pressure booster pump (2017–current models).\u003c\/p\u003e","brand":"Heritage Pool Supply","offers":[{"title":"Default Title","offer_id":46693284905146,"sku":"ydc1789734431802","price":24.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/6153\/1578\/files\/polaris-pump-seal-ceramic-and-spring-pb4sq-r0747800dd1_1.jpg?v=1789734435","url":"https:\/\/chambraysoftwear.shop\/products\/polaris-pump-seal-ceramic-and-spring-pb4sq-r0747800dd1","provider":"My Store","version":"1.0","type":"link"}