{"product_id":"c3-1968-1974-chevrolet-corvette-firewall-grommet-tachometer-cable-oil-line-ca-40921","title":"C3 1968-1974 Corvette Firewall Grommet - Tachometer Cable, Oil Line","description":"\u003cdiv\u003e\n\u003cp\u003eThe C3 1968-1974 Chevrolet Corvette Firewall Grommet is a purpose-built solution for routing the tachometer cable and oil line with precision through your Corvette’s firewall. Designed specifically for the C3 era, this grommet helps you preserve authentic routing while protecting vital lines from wear and unwanted movement.\u003c\/p\u003e \u003ch3\u003eWhy this firewall grommet stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit for 1968-1974 C3 Corvette firewall openings\u003c\/strong\u003e—engineered to align with factory dimensions so you can restore original look and function without guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDual-path compatibility\u003c\/strong\u003e—accommodates both the tachometer cable and the oil line as they pass through the firewall, reducing routing hassles during maintenance or restoration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSealed, secure passage\u003c\/strong\u003e—provides a solid seal around each routed line, helping minimize air leaks and keeping the firewall area tidy and protected from abrasion.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSimple, non-invasive replacement\u003c\/strong\u003e—designed for straightforward installation as a direct substitute for worn or missing grommets, without modifications to the firewall.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eClassic Corvette restorations and concours-quality upgrades for C3 models from 1968 through 1974.\u003c\/li\u003e \u003cli\u003eOwners who want to preserve authentic engine bay routing while ensuring reliable cable and line guidance.\u003c\/li\u003e \u003cli\u003eMechanics and hobbyists performing routine maintenance where a clean, secure firewall pass-through is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation \u0026amp; care tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore installation, inspect the firewall opening and the existing cable and oil line positions to confirm proper alignment with the grommet’s routing paths.\u003c\/li\u003e \u003cli\u003ePlace the grommet in the opening and press gently around the periphery until it seats snugly against the firewall surface.\u003c\/li\u003e \u003cli\u003eRoute the tachometer cable and oil line through their designated paths, ensuring they are not kinked or under undue tension.\u003c\/li\u003e \u003cli\u003ePeriodically inspect the grommet during maintenance intervals; replace if you notice cracking or compression that could compromise the seal.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eReclaim the authentic feel and reliability your C3 Corvette deserves with a dedicated firewall grommet that precisely accommodates the tachometer cable and oil line. A small part with a big impact on fit, protection, and long-term engine bay integrity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"CA","offers":[{"title":"Default Title","offer_id":53189250941293,"sku":"A340921","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0032\/6683\/8574\/files\/40921-1.png?v=1783640597","url":"https:\/\/www.westcoastcorvette.com\/products\/c3-1968-1974-chevrolet-corvette-firewall-grommet-tachometer-cable-oil-line-ca-40921","provider":"WestCoastCorvette.com","version":"1.0","type":"link"}