{"product_id":"oem-10240915-bbc-long-clock-wise-rotation-hi-volume-water-pump-88-00-chev-454","title":"MARINE CCW Rotation Hi-Volume Water Pump GM 454 7.4L Vortec MPFI 96–99 See Notes","description":"\u003cfont style=\"font-family: Arial\" size=\"4\" rwr=\"1\"\u003e\u003cfont face=\"Arial\"\u003e\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif; line-height:1.35;\"\u003e\r\n\r\n  \u003cdiv style=\"border:3px solid #000; padding:16px; margin-bottom:14px;\"\u003e\r\n    \u003cdiv style=\"font-size:32px; font-weight:800; text-transform:uppercase; letter-spacing:0.5px;\"\u003e\r\n      MARINE APPLICATION WATER PUMP\r\n    \u003c\/div\u003e\r\n    \u003cdiv style=\"font-size:22px; font-weight:800; margin-top:6px;\"\u003e\r\n      Fits BIG BLOCK CHEVY 454 \/ 7.4L, BUT ROTATION IS DIFFERENT\r\n    \u003c\/div\u003e\r\n    \u003cdiv style=\"font-size:18px; margin-top:10px;\"\u003e\r\n      This pump will \u003cb\u003ebolt onto many GM 454 engines\u003c\/b\u003e found in Chevy\/GMC trucks \u0026amp; vans,\r\n      \u003cb\u003ehowever it is built for a MARINE setup\u003c\/b\u003e.\r\n      The \u003cb\u003emain (and critical) difference\u003c\/b\u003e is the \u003cb\u003edirection of rotation\u003c\/b\u003e.\r\n    \u003c\/div\u003e\r\n  \u003c\/div\u003e\r\n\r\n  \u003cdiv style=\"font-size:20px; font-weight:800; margin:12px 0 6px;\"\u003e\r\n    WHY ROTATION MATTERS (READ THIS)\r\n  \u003c\/div\u003e\r\n\r\n  \u003cdiv style=\"font-size:16px;\"\u003e\r\n    Water pump rotation is not “just the pulley turning the other way.”\r\n    Inside the pump there is a wheel that looks like a small fan.\r\n    The correct term is the \u003cb\u003eIMPELLER\u003c\/b\u003e (also called \u003cb\u003evanes\u003c\/b\u003e or \u003cb\u003eblades\u003c\/b\u003e).\r\n    \u003cbr\u003e\u003cbr\u003e\r\n    The \u003cb\u003eshape\/curve of the impeller vanes\u003c\/b\u003e is designed to move coolant correctly in\r\n    \u003cb\u003eONE\u003c\/b\u003e direction only.\r\n    If you run the pump in the wrong direction, coolant flow will be poor and it can cause overheating.\r\n  \u003c\/div\u003e\r\n\r\n  \u003cdiv style=\"border:2px dashed #333; padding:12px; margin:14px 0;\"\u003e\r\n    \u003cdiv style=\"font-size:22px; font-weight:900; text-transform:uppercase;\"\u003e\r\n      THIS IS A CCW ROTATION PUMP (MARINE)\r\n    \u003c\/div\u003e\r\n    \u003cdiv style=\"font-size:16px; margin-top:6px;\"\u003e\r\n      \u003cb\u003eCCW = Counter-Clockwise Rotation\u003c\/b\u003e (verify based on your marine belt\/drive setup).\r\n      \u003cbr\u003e\r\n      Many automotive GM applications use the opposite rotation.\r\n      \u003cb\u003eDo NOT assume interchange just because it bolts on.\u003c\/b\u003e\r\n    \u003c\/div\u003e\r\n  \u003c\/div\u003e\r\n\r\n  \u003cdiv style=\"font-size:20px; font-weight:800; margin:12px 0 6px;\"\u003e\r\n    COMPATIBILITY NOTES\r\n  \u003c\/div\u003e\r\n\r\n  \u003cul style=\"font-size:16px; margin-top:6px;\"\u003e\r\n    \u003cli\u003e\n\u003cb\u003eWill mount to:\u003c\/b\u003e Big Block Chevy 454 \/ 7.4L long-style water pump applications.\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cb\u003eFits physically:\u003c\/b\u003e Many GM truck\/van 454 setups (bolt pattern \u0026amp; housing style).\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cb\u003eKey difference:\u003c\/b\u003e \u003cu\u003eRotation direction\u003c\/u\u003e determined by \u003cb\u003eimpeller vane design\u003c\/b\u003e.\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cb\u003eBuyer responsibility:\u003c\/b\u003e Match rotation to your marine accessory drive system.\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003cdiv style=\"font-size:18px; font-weight:800; margin-top:14px;\"\u003e\r\n    QUICK VOCAB (IN CASE YOU NEED THE WORDS)\r\n  \u003c\/div\u003e\r\n  \u003cul style=\"font-size:16px; margin-top:6px;\"\u003e\r\n    \u003cli\u003e\n\u003cb\u003eImpeller\u003c\/b\u003e = the internal “fan-looking” wheel that moves coolant.\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cb\u003eVanes \/ Blades\u003c\/b\u003e = the curved fins on the impeller.\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cb\u003eHousing\u003c\/b\u003e = the pump body.\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cb\u003eRotation\u003c\/b\u003e = CW (clockwise) or CCW (counter-clockwise).\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003cdiv style=\"font-size:14px; color:#333; margin-top:14px;\"\u003e\r\n    If you message me your exact marine engine setup (brand\/model or belt routing),\r\n    I can help confirm whether you need CCW or the opposite rotation.\r\n  \u003c\/div\u003e\r\n\r\n\u003c\/div\u003e\r\n\u003c\/font\u003e\u003c\/font\u003e","brand":"General Motors","offers":[{"title":"Default Title","offer_id":51249300668701,"sku":"ABU-251-486","price":225.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/5035\/3949\/files\/1898-001jpg.jpg?v=1773592805","url":"https:\/\/store.partshighway.com\/products\/oem-10240915-bbc-long-clock-wise-rotation-hi-volume-water-pump-88-00-chev-454","provider":"Parts Highway | Auto Parts Online","version":"1.0","type":"link"}