{"product_id":"champion-525-spark-plug","title":"Champion 525 Spark Plug","description":"\u003ch2 data-section-id=\"rmw5tv\" data-start=\"171\" data-end=\"185\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"186\" data-end=\"557\"\u003eThe \u003cstrong data-start=\"190\" data-end=\"217\"\u003eChampion 525 Spark Plug\u003c\/strong\u003e is designed to provide dependable ignition performance in early automotive engines, stationary power equipment, and industrial machinery. Built with Champion’s engineering expertise from Federal-Mogul, this plug is engineered to withstand \u003cstrong data-start=\"457\" data-end=\"512\"\u003ehigh-temperature and high-load operating conditions\u003c\/strong\u003e while maintaining consistent spark delivery.\u003c\/p\u003e\n\u003cp data-start=\"559\" data-end=\"1003\"\u003eManufactured with durable nickel electrode materials and a tapered seat design, the Champion 525 is suitable for engines requiring a pipe-thread spark plug configuration. Its non-resistor construction supports traditional ignition systems commonly found in vintage engines and early industrial equipment. The removable terminal nut and factory pre-gap provide straightforward installation and compatibility with a wide range of ignition setups.\u003c\/p\u003e\n\u003cp data-start=\"1005\" data-end=\"1205\"\u003eDesigned for \u003cstrong data-start=\"1018\" data-end=\"1076\"\u003ehigh-compression and aggressive operating environments\u003c\/strong\u003e, the Champion 525 also supports alternative fuel applications and engines focused on efficient combustion and reduced emissions.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"1207\" data-end=\"1218\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"1220\" data-end=\"1831\"\u003e\n\u003cli data-section-id=\"wb7akx\" data-start=\"1220\" data-end=\"1289\"\u003e\n\u003cp data-start=\"1222\" data-end=\"1289\"\u003eDesigned for high-compression and aggressive service environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t3mhze\" data-start=\"1290\" data-end=\"1352\"\u003e\n\u003cp data-start=\"1292\" data-end=\"1352\"\u003eCompatible with alternative fuel (gas) engine applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1u8dfeh\" data-start=\"1353\" data-end=\"1409\"\u003e\n\u003cp data-start=\"1355\" data-end=\"1409\"\u003eSupports improved combustion and CO₂ reduction goals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"npfkwo\" data-start=\"1410\" data-end=\"1479\"\u003e\n\u003cp data-start=\"1412\" data-end=\"1479\"\u003eManufactured for superior performance and long-lasting durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8gdp7k\" data-start=\"1480\" data-end=\"1543\"\u003e\n\u003cp data-start=\"1482\" data-end=\"1543\"\u003eNickel center electrode for dependable ignition performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"t0d3n1\" data-start=\"1544\" data-end=\"1589\"\u003e\n\u003cp data-start=\"1546\" data-end=\"1589\"\u003eNickel ground electrode with J-gap design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nrpwlm\" data-start=\"1590\" data-end=\"1656\"\u003e\n\u003cp data-start=\"1592\" data-end=\"1656\"\u003ePre-gapped at 0.030 in (0.762 mm) for installation convenience\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wfz4i0\" data-start=\"1657\" data-end=\"1704\"\u003e\n\u003cp data-start=\"1659\" data-end=\"1704\"\u003eTapered seat with pipe thread configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13fd98j\" data-start=\"1705\" data-end=\"1767\"\u003e\n\u003cp data-start=\"1707\" data-end=\"1767\"\u003eNon-resistor construction for traditional ignition systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"elyyv1\" data-start=\"1768\" data-end=\"1831\"\u003e\n\u003cp data-start=\"1770\" data-end=\"1831\"\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=\"1833\" data-end=\"1850\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1852\" data-end=\"2486\"\u003e\n\u003cli data-section-id=\"1qpht86\" data-start=\"1852\" data-end=\"1884\"\u003e\n\u003cp data-start=\"1854\" data-end=\"1884\"\u003ePart Description: Spark Plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1w81wf2\" data-start=\"1885\" data-end=\"1926\"\u003e\n\u003cp data-start=\"1887\" data-end=\"1926\"\u003eCenter Electrode Tip Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"42bjef\" data-start=\"1927\" data-end=\"1964\"\u003e\n\u003cp data-start=\"1929\" data-end=\"1964\"\u003eCenter Electrode Design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tcgx5m\" data-start=\"1965\" data-end=\"1997\"\u003e\n\u003cp data-start=\"1967\" data-end=\"1997\"\u003eGround Electrode Quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jz1xub\" data-start=\"1998\" data-end=\"2036\"\u003e\n\u003cp data-start=\"2000\" data-end=\"2036\"\u003eGround Electrode Tip Design: J Gap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"es7l3k\" data-start=\"2037\" data-end=\"2078\"\u003e\n\u003cp data-start=\"2039\" data-end=\"2078\"\u003eGround Electrode Tip Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"psgbmu\" data-start=\"2079\" data-end=\"2121\"\u003e\n\u003cp data-start=\"2081\" data-end=\"2121\"\u003eGround Electrode Core Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yn8fc3\" data-start=\"2122\" data-end=\"2159\"\u003e\n\u003cp data-start=\"2124\" data-end=\"2159\"\u003ePre-Gap Size: 0.030 in \/ 0.762 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4ozm1e\" data-start=\"2160\" data-end=\"2194\"\u003e\n\u003cp data-start=\"2162\" data-end=\"2194\"\u003eHex Size: 0.938 in \/ 23.830 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sl50u2\" data-start=\"2195\" data-end=\"2217\"\u003e\n\u003cp data-start=\"2197\" data-end=\"2217\"\u003eSeat Type: Tapered\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g7d649\" data-start=\"2218\" data-end=\"2233\"\u003e\n\u003cp data-start=\"2220\" data-end=\"2233\"\u003eReach: 1 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qia64u\" data-start=\"2234\" data-end=\"2279\"\u003e\n\u003cp data-start=\"2236\" data-end=\"2279\"\u003eThread Diameter: 0.50 Pipe Thread \/ 21 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fym0qk\" data-start=\"2280\" data-end=\"2301\"\u003e\n\u003cp data-start=\"2282\" data-end=\"2301\"\u003eResistor Type: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2lg8h2\" data-start=\"2302\" data-end=\"2345\"\u003e\n\u003cp data-start=\"2304\" data-end=\"2345\"\u003eElectrical Terminal Type: Removable Nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cf799m\" data-start=\"2346\" data-end=\"2363\"\u003e\n\u003cp data-start=\"2348\" data-end=\"2363\"\u003eHex Type: Hex\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vb0oei\" data-start=\"2364\" data-end=\"2378\"\u003e\n\u003cp data-start=\"2366\" data-end=\"2378\"\u003eSkirt: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"kigbfl\" data-start=\"2379\" data-end=\"2424\"\u003e\n\u003cp data-start=\"2381\" data-end=\"2424\"\u003eClassification: Champion Industrial Plugs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kxcai\" data-start=\"2425\" data-end=\"2461\"\u003e\n\u003cp data-start=\"2427\" data-end=\"2461\"\u003eGrade Type: Standard Replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"15l95ca\" data-start=\"2462\" data-end=\"2486\"\u003e\n\u003cp data-start=\"2464\" data-end=\"2486\"\u003eSubject to Prop 65: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1dixaz0\" data-start=\"2488\" data-end=\"2498\"\u003eFitment\u003c\/h2\u003e\n\u003cp data-start=\"2500\" data-end=\"2609\"\u003eCompatible with a variety of \u003cstrong data-start=\"2529\" data-end=\"2597\"\u003eearly automotive, industrial, and stationary engine applications\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003ch3 data-section-id=\"upkb4c\" data-start=\"2611\" data-end=\"2638\"\u003eAutomotive Applications\u003c\/h3\u003e\n\u003cul data-start=\"2640\" data-end=\"2734\"\u003e\n\u003cli data-section-id=\"1gs4etq\" data-start=\"2640\" data-end=\"2686\"\u003e\n\u003cp data-start=\"2642\" data-end=\"2686\"\u003eFord Model T (1908–1927) – 2.9L L4 177 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6ug6vv\" data-start=\"2687\" data-end=\"2734\"\u003e\n\u003cp data-start=\"2689\" data-end=\"2734\"\u003eFord Model TT (1909–1927) – 2.9L L4 177 cid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1e0hh72\" data-start=\"2736\" data-end=\"2771\"\u003eAdditional Vehicle Applications\u003c\/h3\u003e\n\u003cul data-start=\"2773\" data-end=\"3404\"\u003e\n\u003cli data-section-id=\"1y5lo6e\" data-start=\"2773\" data-end=\"2793\"\u003e\n\u003cp data-start=\"2775\" data-end=\"2793\"\u003eReo 25 HP (1911)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gevoci\" data-start=\"2794\" data-end=\"2814\"\u003e\n\u003cp data-start=\"2796\" data-end=\"2814\"\u003eReo 30 HP (1911)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yfungn\" data-start=\"2815\" data-end=\"2835\"\u003e\n\u003cp data-start=\"2817\" data-end=\"2835\"\u003eReo 35 HP (1911)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yhbe7i\" data-start=\"2836\" data-end=\"2863\"\u003e\n\u003cp data-start=\"2838\" data-end=\"2863\"\u003eReo Model M (1916–1918)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1by8r6s\" data-start=\"2864\" data-end=\"2893\"\u003e\n\u003cp data-start=\"2866\" data-end=\"2893\"\u003eReo Model T-6 (1920–1926)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1pa8cmd\" data-start=\"2894\" data-end=\"2923\"\u003e\n\u003cp data-start=\"2896\" data-end=\"2923\"\u003eReo The Fifth (1912–1919)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"v2pbf9\" data-start=\"2924\" data-end=\"2966\"\u003e\n\u003cp data-start=\"2926\" data-end=\"2966\"\u003eWillys Overland Light Four (1920–1922)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eu5lje\" data-start=\"2967\" data-end=\"3007\"\u003e\n\u003cp data-start=\"2969\" data-end=\"3007\"\u003eWillys Overland Model 65 (1914–1915)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5bzgny\" data-start=\"3008\" data-end=\"3043\"\u003e\n\u003cp data-start=\"3010\" data-end=\"3043\"\u003eWillys Overland Model 69 (1913)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ykemqz\" data-start=\"3044\" data-end=\"3084\"\u003e\n\u003cp data-start=\"3046\" data-end=\"3084\"\u003eWillys Overland Model 75 (1916–1917)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19gtjlk\" data-start=\"3085\" data-end=\"3120\"\u003e\n\u003cp data-start=\"3087\" data-end=\"3120\"\u003eWillys Overland Model 79 (1914)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ztmx7x\" data-start=\"3121\" data-end=\"3161\"\u003e\n\u003cp data-start=\"3123\" data-end=\"3161\"\u003eWillys Overland Model 83 (1916–1918)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"i7mwr4\" data-start=\"3162\" data-end=\"3199\"\u003e\n\u003cp data-start=\"3164\" data-end=\"3199\"\u003eWillys Overland Model 83-B (1916)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ao4l67\" data-start=\"3200\" data-end=\"3241\"\u003e\n\u003cp data-start=\"3202\" data-end=\"3241\"\u003eWillys Overland Model 83B (1917–1919)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zzk2wf\" data-start=\"3242\" data-end=\"3282\"\u003e\n\u003cp data-start=\"3244\" data-end=\"3282\"\u003eWillys Overland Model 90 (1917–1919)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nsw8c1\" data-start=\"3283\" data-end=\"3319\"\u003e\n\u003cp data-start=\"3285\" data-end=\"3319\"\u003eWillys Overland Model 90B (1918)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13avhxh\" data-start=\"3320\" data-end=\"3362\"\u003e\n\u003cp data-start=\"3322\" data-end=\"3362\"\u003eWillys Overland Model 91CE (1925–1926)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wrhfrp\" data-start=\"3363\" data-end=\"3404\"\u003e\n\u003cp data-start=\"3365\" data-end=\"3404\"\u003eWillys Overland Series 91CE (1923–1924)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"19vh4ax\" data-start=\"3406\" data-end=\"3447\"\u003eIndustrial and Equipment Applications\u003c\/h3\u003e\n\u003cp data-start=\"3449\" data-end=\"3522\"\u003eCompatible with various engines and equipment from manufacturers such as:\u003c\/p\u003e\n\u003cul data-start=\"3524\" data-end=\"3760\"\u003e\n\u003cli data-section-id=\"6ze2pv\" data-start=\"3524\" data-end=\"3539\"\u003e\n\u003cp data-start=\"3526\" data-end=\"3539\"\u003eCaterpillar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1k6qg7\" data-start=\"3540\" data-end=\"3551\"\u003e\n\u003cp data-start=\"3542\" data-end=\"3551\"\u003eCushman\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ka6asb\" data-start=\"3552\" data-end=\"3572\"\u003e\n\u003cp data-start=\"3554\" data-end=\"3572\"\u003eFuller \u0026amp; Johnson\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"i83fdm\" data-start=\"3573\" data-end=\"3602\"\u003e\n\u003cp data-start=\"3575\" data-end=\"3602\"\u003eMaytag Multi-Motor Washer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"pphwhx\" data-start=\"3603\" data-end=\"3622\"\u003e\n\u003cp data-start=\"3605\" data-end=\"3622\"\u003eNational Carbon\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16pg7ox\" data-start=\"3623\" data-end=\"3636\"\u003e\n\u003cp data-start=\"3625\" data-end=\"3636\"\u003eSmithwell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"vy7iu1\" data-start=\"3637\" data-end=\"3647\"\u003e\n\u003cp data-start=\"3639\" data-end=\"3647\"\u003eFraser\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"x9u5n2\" data-start=\"3648\" data-end=\"3668\"\u003e\n\u003cp data-start=\"3650\" data-end=\"3668\"\u003eStandard engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ucnvi\" data-start=\"3669\" data-end=\"3681\"\u003e\n\u003cp data-start=\"3671\" data-end=\"3681\"\u003eColdwell\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1fyib8r\" data-start=\"3682\" data-end=\"3692\"\u003e\n\u003cp data-start=\"3684\" data-end=\"3692\"\u003eVaughn\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"s9ghku\" data-start=\"3693\" data-end=\"3707\"\u003e\n\u003cp data-start=\"3695\" data-end=\"3707\"\u003eLed-O-Lite\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1m7lbay\" data-start=\"3708\" data-end=\"3718\"\u003e\n\u003cp data-start=\"3710\" data-end=\"3718\"\u003ePhelps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"rnbxbi\" data-start=\"3719\" data-end=\"3741\"\u003e\n\u003cp data-start=\"3721\" data-end=\"3741\"\u003eNovo early engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1m59hk2\" data-start=\"3742\" data-end=\"3760\"\u003e\n\u003cp data-start=\"3744\" data-end=\"3760\"\u003eBeeman equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3762\" data-end=\"3892\"\u003eThis spark plug may also be used in multiple stationary engines and equipment models where compatible specifications are required.\u003c\/p\u003e\n\u003cp data-start=\"3894\" data-end=\"3985\"\u003e(Always verify engine specifications and manufacturer recommendations before installation.)\u003c\/p\u003e","brand":"CHAMPION","offers":[{"title":"Default Title","offer_id":46286435516615,"sku":"ELE1995","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-12162728.png?v=1773357917","url":"https:\/\/mainstreeteshop.com\/products\/champion-525-spark-plug","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}