{"product_id":"champion-523-spark-plug","title":"Champion 523 Spark Plug","description":"\u003ch2 data-section-id=\"rmw5tv\" data-start=\"158\" data-end=\"172\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"173\" data-end=\"502\"\u003eThe \u003cstrong data-start=\"177\" data-end=\"204\"\u003eChampion 523 Spark Plug\u003c\/strong\u003e is engineered for reliable ignition performance in demanding industrial and agricultural applications. Developed with Champion’s global engineering expertise from Federal-Mogul, this spark plug is designed to perform consistently in \u003cstrong data-start=\"438\" data-end=\"501\"\u003ehigh-compression engines and high-load service environments\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"504\" data-end=\"868\"\u003eConstructed with durable nickel electrode materials and precision manufacturing, the Champion 523 provides dependable spark delivery and long service life. Its flat seat configuration, removable terminal nut, and factory pre-gap allow for straightforward installation across a range of heavy-duty engines used in construction, compressor, and industrial equipment.\u003c\/p\u003e\n\u003cp data-start=\"870\" data-end=\"1101\"\u003eDesigned to withstand \u003cstrong data-start=\"892\" data-end=\"949\"\u003ehigh temperatures and aggressive operating conditions\u003c\/strong\u003e, the Champion 523 helps maintain stable combustion and reliable engine starting in equipment where durability and consistent performance are essential.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"1103\" data-end=\"1114\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"1116\" data-end=\"1680\"\u003e\n\u003cli data-section-id=\"1u9f47l\" data-start=\"1116\" data-end=\"1187\"\u003e\n\u003cp data-start=\"1118\" data-end=\"1187\"\u003eDesigned for high-compression and aggressive operating environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fqlkke\" data-start=\"1188\" data-end=\"1232\"\u003e\n\u003cp data-start=\"1190\" data-end=\"1232\"\u003eManufactured for long-lasting durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1lqrghd\" data-start=\"1233\" data-end=\"1284\"\u003e\n\u003cp data-start=\"1235\" data-end=\"1284\"\u003eBacked by global engineering from Federal-Mogul\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"44jwev\" data-start=\"1285\" data-end=\"1360\"\u003e\n\u003cp data-start=\"1287\" data-end=\"1360\"\u003eStandard replacement spark plug for industrial and heavy-duty equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8gdp7k\" data-start=\"1361\" data-end=\"1424\"\u003e\n\u003cp data-start=\"1363\" data-end=\"1424\"\u003eNickel center electrode for dependable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vqljzu\" data-start=\"1425\" data-end=\"1480\"\u003e\n\u003cp data-start=\"1427\" data-end=\"1480\"\u003eNickel copper alloy ground electrode for durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14oo2l2\" data-start=\"1481\" data-end=\"1546\"\u003e\n\u003cp data-start=\"1483\" data-end=\"1546\"\u003ePre-gapped at 0.030 in (0.78 mm) for installation convenience\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"a0uke\" data-start=\"1547\" data-end=\"1586\"\u003e\n\u003cp data-start=\"1549\" data-end=\"1586\"\u003eFlat seat design for proper fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5h8nls\" data-start=\"1587\" data-end=\"1616\"\u003e\n\u003cp data-start=\"1589\" data-end=\"1616\"\u003eNon-resistor construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"elyyv1\" data-start=\"1617\" data-end=\"1680\"\u003e\n\u003cp data-start=\"1619\" data-end=\"1680\"\u003eRemovable terminal nut for flexible ignition wire connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1682\" data-end=\"1699\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1701\" data-end=\"2460\"\u003e\n\u003cli data-section-id=\"1qpht86\" data-start=\"1701\" data-end=\"1733\"\u003e\n\u003cp data-start=\"1703\" data-end=\"1733\"\u003ePart Description: Spark Plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1w81wf2\" data-start=\"1734\" data-end=\"1775\"\u003e\n\u003cp data-start=\"1736\" data-end=\"1775\"\u003eCenter Electrode Tip Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"42bjef\" data-start=\"1776\" data-end=\"1813\"\u003e\n\u003cp data-start=\"1778\" data-end=\"1813\"\u003eCenter Electrode Design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qfk76e\" data-start=\"1814\" data-end=\"1853\"\u003e\n\u003cp data-start=\"1816\" data-end=\"1853\"\u003eCenter Electrode Diameter: 0.125 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tcgx5m\" data-start=\"1854\" data-end=\"1886\"\u003e\n\u003cp data-start=\"1856\" data-end=\"1886\"\u003eGround Electrode Quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"es7l3k\" data-start=\"1887\" data-end=\"1928\"\u003e\n\u003cp data-start=\"1889\" data-end=\"1928\"\u003eGround Electrode Tip Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"psgbmu\" data-start=\"1929\" data-end=\"1971\"\u003e\n\u003cp data-start=\"1931\" data-end=\"1971\"\u003eGround Electrode Core Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sunzm9\" data-start=\"1972\" data-end=\"2022\"\u003e\n\u003cp data-start=\"1974\" data-end=\"2022\"\u003eGround Electrode Material: Nickel Copper Alloy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y0newv\" data-start=\"2023\" data-end=\"2059\"\u003e\n\u003cp data-start=\"2025\" data-end=\"2059\"\u003ePre-Gap Size: 0.030 in \/ 0.78 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h15ne9\" data-start=\"2060\" data-end=\"2094\"\u003e\n\u003cp data-start=\"2062\" data-end=\"2094\"\u003eHex Size: 0.875 in \/ 22.230 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eujy1v\" data-start=\"2095\" data-end=\"2126\"\u003e\n\u003cp data-start=\"2097\" data-end=\"2126\"\u003eManufacturer Heat Range: 23\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12ns31y\" data-start=\"2127\" data-end=\"2146\"\u003e\n\u003cp data-start=\"2129\" data-end=\"2146\"\u003eSeat Type: Flat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"161cvl3\" data-start=\"2147\" data-end=\"2166\"\u003e\n\u003cp data-start=\"2149\" data-end=\"2166\"\u003eReach: 0.625 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zuayis\" data-start=\"2167\" data-end=\"2208\"\u003e\n\u003cp data-start=\"2169\" data-end=\"2208\"\u003eThread Diameter: 0.709 in \/ 18.000 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fym0qk\" data-start=\"2209\" data-end=\"2230\"\u003e\n\u003cp data-start=\"2211\" data-end=\"2230\"\u003eResistor Type: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2lg8h2\" data-start=\"2231\" data-end=\"2274\"\u003e\n\u003cp data-start=\"2233\" data-end=\"2274\"\u003eElectrical Terminal Type: Removable Nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cf799m\" data-start=\"2275\" data-end=\"2292\"\u003e\n\u003cp data-start=\"2277\" data-end=\"2292\"\u003eHex Type: Hex\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ehat92\" data-start=\"2293\" data-end=\"2322\"\u003e\n\u003cp data-start=\"2295\" data-end=\"2322\"\u003eInstalled Height: 2.66 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"izmqsf\" data-start=\"2323\" data-end=\"2350\"\u003e\n\u003cp data-start=\"2325\" data-end=\"2350\"\u003eTaper Diameter: 0.45 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"143vwm7\" data-start=\"2351\" data-end=\"2398\"\u003e\n\u003cp data-start=\"2353\" data-end=\"2398\"\u003eClassification: Champion Agricultural Plugs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kxcai\" data-start=\"2399\" data-end=\"2435\"\u003e\n\u003cp data-start=\"2401\" data-end=\"2435\"\u003eGrade Type: Standard Replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15l95ca\" data-start=\"2436\" data-end=\"2460\"\u003e\n\u003cp data-start=\"2438\" data-end=\"2460\"\u003eSubject to Prop 65: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1dixaz0\" data-start=\"2462\" data-end=\"2472\"\u003eFitment\u003c\/h2\u003e\n\u003cp data-start=\"2474\" data-end=\"2604\"\u003eCompatible with a variety of \u003cstrong data-start=\"2503\" data-end=\"2558\"\u003eindustrial engines and heavy equipment applications\u003c\/strong\u003e, including models from manufacturers such as:\u003c\/p\u003e\n\u003cul data-start=\"2606\" data-end=\"2808\"\u003e\n\u003cli data-section-id=\"15qfhh0\" data-start=\"2606\" data-end=\"2645\"\u003e\n\u003cp data-start=\"2608\" data-end=\"2645\"\u003eKoehring — various equipment models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1r2u45k\" data-start=\"2646\" data-end=\"2684\"\u003e\n\u003cp data-start=\"2648\" data-end=\"2684\"\u003eGarWood — various equipment models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"a2j4uq\" data-start=\"2685\" data-end=\"2705\"\u003e\n\u003cp data-start=\"2687\" data-end=\"2705\"\u003eHall-Scott Crabs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sbeevn\" data-start=\"2706\" data-end=\"2742\"\u003e\n\u003cp data-start=\"2708\" data-end=\"2742\"\u003eLima — multiple equipment models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wc3ok1\" data-start=\"2743\" data-end=\"2790\"\u003e\n\u003cp data-start=\"2745\" data-end=\"2790\"\u003eBradley-Republic — various equipment models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1q7jn2\" data-start=\"2791\" data-end=\"2808\"\u003e\n\u003cp data-start=\"2793\" data-end=\"2808\"\u003eQuick Way 85A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2810\" data-end=\"2869\"\u003eIndustrial compressor and equipment applications including:\u003c\/p\u003e\n\u003cul data-start=\"2871\" data-end=\"3062\"\u003e\n\u003cli data-section-id=\"1iax78d\" data-start=\"2871\" data-end=\"2894\"\u003e\n\u003cp data-start=\"2873\" data-end=\"2894\"\u003eGardner-Denver K325\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ib002d\" data-start=\"2895\" data-end=\"2918\"\u003e\n\u003cp data-start=\"2897\" data-end=\"2918\"\u003eGardner-Denver K369\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1iaunow\" data-start=\"2919\" data-end=\"2942\"\u003e\n\u003cp data-start=\"2921\" data-end=\"2942\"\u003eGardner-Denver K393\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ibqxqv\" data-start=\"2943\" data-end=\"2966\"\u003e\n\u003cp data-start=\"2945\" data-end=\"2966\"\u003eGardner-Denver K428\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xwet85\" data-start=\"2967\" data-end=\"2989\"\u003e\n\u003cp data-start=\"2969\" data-end=\"2989\"\u003eGardner-Denver GF6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ge959a\" data-start=\"2990\" data-end=\"3014\"\u003e\n\u003cp data-start=\"2992\" data-end=\"3014\"\u003eGardner-Denver GF638\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mntwdw\" data-start=\"3015\" data-end=\"3038\"\u003e\n\u003cp data-start=\"3017\" data-end=\"3038\"\u003eGardner-Denver L468\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mptsfw\" data-start=\"3039\" data-end=\"3062\"\u003e\n\u003cp data-start=\"3041\" data-end=\"3062\"\u003eGardner-Denver L525\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3064\" data-end=\"3147\"\u003eAdditional equipment applications include models from \u003cstrong data-start=\"3118\" data-end=\"3125\"\u003eJoy\u003c\/strong\u003e industrial equipment.\u003c\/p\u003e\n\u003cp data-start=\"3149\" data-end=\"3269\"\u003eVerify engine specifications and manufacturer recommendations to confirm correct spark plug fitment before installation.\u003c\/p\u003e","brand":"CHAMPION","offers":[{"title":"Default Title","offer_id":46286433353927,"sku":"ELE1994","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-12162239.png?v=1773357630","url":"https:\/\/mainstreeteshop.com\/products\/champion-523-spark-plug","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}