{"product_id":"corvette-belt-water-pumpidler-327-sb-365hp-reproductn-gm-3845643-1964","title":"Corvette Belt. Water Pump\/Idler - 327 SB 365hp - Reproductn - GM# 3845643: 1964","description":"\u003cdiv\u003e\n\u003cp\u003eFor the 1964 Corvette, this Corvette Belt for Water Pump\/Idler is a faithful reproduction designed specifically for the 327 small‑block (327 SB) with 365hp. Carrying GM# 3845643, it’s built to align with the original factory drive under the hood, ensuring the water pump and idler pulley operate with authentic timing and tension.\u003c\/p\u003e \u003cp\u003eWhy this matters for your restoration or maintenance project: authentic fitment minimizes fitment issues and keeps the engine bay looking and functioning like the day it rolled off the assembly line. This isn’t a generic belt – it’s a reproduction that mirrors the dimensions, routing, and performance characteristics of the OEM part, so you can trust it to match the 1964 Corvette’s original accessory drive.\u003c\/p\u003e \u003ch3\u003eKey benefits and what to expect\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eGM# 3845643 crossreference: precise compatibility with the original 1964 Corvette 327 SB 365hp setup.\u003c\/li\u003e \u003cli\u003eAuthentic reproduction: designed to match the belt width, length, and routing of the factory water pump\/idler drive.\u003c\/li\u003e \u003cli\u003eAuthenticity for restoration and shows: helps maintain concoursgrade accuracy and historical integrity.\u003c\/li\u003e \u003cli\u003eReliable drive performance: supports consistent cooling system operation by maintaining proper belt tension on the water pump and idler pulley.\u003c\/li\u003e \u003cli\u003eDirect replacement experience: minimizes guesswork during installation and reduces the risk of misfit common with nonOEM parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho should consider this belt\u003c\/h3\u003e\n\u003cp\u003eIdeal for classic Corvette enthusiasts undertaking a meticulous restoration, owners preparing for showquality presentation, or anyone maintaining a 1964 Corvette with the 327 smallblock 365hp engine who wants an authentic, OEMaligned belt experience without modifications.\u003c\/p\u003e \u003ch3\u003ePractical notes for installation and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse as part of a periodcorrect belt drive setup for the water pump and idler pulley.\u003c\/li\u003e \u003cli\u003eVerify routing against factory diagrams for the 1964 Corvette to ensure precise alignment with pulleys and tensioners.\u003c\/li\u003e \u003cli\u003eInspect related drive components and replace aging pulleys or tensioners if needed to preserve belt life and cooling performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"CA","offers":[{"title":"Default Title","offer_id":40981626716209,"sku":"A251568DS","price":62.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/4078\/files\/medium_c8813e96-7cda-4101-a93f-a8926513f025.jpg?v=1777043214","url":"https:\/\/www.corvetteguys.com\/products\/corvette-belt-water-pumpidler-327-sb-365hp-reproductn-gm-3845643-1964","provider":"CorvetteGuys.com","version":"1.0","type":"link"}