{"product_id":"champion-copper-plus-spark-plug-31","title":"Champion Copper Plus Spark Plug 31","description":"\u003ch2 data-section-id=\"rmw5tv\" data-start=\"184\" data-end=\"198\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"199\" data-end=\"533\"\u003eThe \u003cstrong data-start=\"203\" data-end=\"241\"\u003eChampion Copper Plus Spark Plug 31\u003c\/strong\u003e is engineered to provide reliable ignition performance and durable operation in compatible automotive applications. Featuring a \u003cstrong data-start=\"370\" data-end=\"402\"\u003ecopper core center electrode\u003c\/strong\u003e, this spark plug improves electrical conductivity and heat control to support consistent combustion and overall engine efficiency.\u003c\/p\u003e\n\u003cp data-start=\"535\" data-end=\"830\"\u003eAs part of the \u003cstrong data-start=\"550\" data-end=\"574\"\u003eChampion Copper Plus\u003c\/strong\u003e line, the \u003cstrong data-start=\"585\" data-end=\"596\"\u003eRN14MC5\u003c\/strong\u003e spark plug offers dependable performance with strong corrosion resistance and accurate heat range operation. The copper core design helps maintain proper operating temperature, supporting longer service life and improved reliability.\u003c\/p\u003e\n\u003cp data-start=\"832\" data-end=\"1078\"\u003eBuilt to \u003cstrong data-start=\"841\" data-end=\"866\"\u003eISO and SAE standards\u003c\/strong\u003e, this spark plug provides proven replacement performance. It features a \u003cstrong data-start=\"939\" data-end=\"980\"\u003efactory pre-gap of 0.050 in (1.28 mm)\u003c\/strong\u003e along with a \u003cstrong data-start=\"994\" data-end=\"1031\"\u003eflat seat design and crush washer\u003c\/strong\u003e for secure installation in compatible engines.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1d7mrtu\" data-start=\"1080\" data-end=\"1091\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"1092\" data-end=\"1491\"\u003e\n\u003cli data-section-id=\"1spuydi\" data-start=\"1092\" data-end=\"1167\"\u003e\n\u003cp data-start=\"1094\" data-end=\"1167\"\u003e\u003cstrong data-start=\"1094\" data-end=\"1126\"\u003eCopper core center electrode\u003c\/strong\u003e improves conductivity and heat control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qk3uah\" data-start=\"1168\" data-end=\"1245\"\u003e\n\u003cp data-start=\"1170\" data-end=\"1245\"\u003e\u003cstrong data-start=\"1170\" data-end=\"1194\"\u003eChampion Copper Plus\u003c\/strong\u003e design for dependable performance and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19f7e0r\" data-start=\"1246\" data-end=\"1307\"\u003e\n\u003cp data-start=\"1248\" data-end=\"1307\"\u003e\u003cstrong data-start=\"1248\" data-end=\"1281\"\u003eSuperior corrosion resistance\u003c\/strong\u003e for longer service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"7l4ebr\" data-start=\"1308\" data-end=\"1369\"\u003e\n\u003cp data-start=\"1310\" data-end=\"1369\"\u003eBuilt to \u003cstrong data-start=\"1319\" data-end=\"1344\"\u003eISO and SAE standards\u003c\/strong\u003e for proven performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1i2tmv4\" data-start=\"1370\" data-end=\"1441\"\u003e\n\u003cp data-start=\"1372\" data-end=\"1441\"\u003e\u003cstrong data-start=\"1372\" data-end=\"1403\"\u003eAccurate heat range control\u003c\/strong\u003e supports efficient engine operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jo4bq1\" data-start=\"1442\" data-end=\"1491\"\u003e\n\u003cp data-start=\"1444\" data-end=\"1491\"\u003e\u003cstrong data-start=\"1444\" data-end=\"1465\"\u003ePre-gapped design\u003c\/strong\u003e for easier installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1a3ueyz\" data-start=\"1493\" data-end=\"1510\"\u003eSpecifications\u003c\/h2\u003e\n\u003cul data-start=\"1511\" data-end=\"2274\"\u003e\n\u003cli data-section-id=\"9ty3qu\" data-start=\"1511\" data-end=\"1530\"\u003e\n\u003cp data-start=\"1513\" data-end=\"1530\"\u003eBrand: Champion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17n36ys\" data-start=\"1531\" data-end=\"1550\"\u003e\n\u003cp data-start=\"1533\" data-end=\"1550\"\u003ePart Number: 31\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"67a3dy\" data-start=\"1551\" data-end=\"1573\"\u003e\n\u003cp data-start=\"1553\" data-end=\"1573\"\u003ePlug Type: RN14MC5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"iqia62\" data-start=\"1574\" data-end=\"1614\"\u003e\n\u003cp data-start=\"1576\" data-end=\"1614\"\u003eClassification: Champion Copper Plus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kxcai\" data-start=\"1615\" data-end=\"1651\"\u003e\n\u003cp data-start=\"1617\" data-end=\"1651\"\u003eGrade Type: Standard Replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qpht86\" data-start=\"1652\" data-end=\"1684\"\u003e\n\u003cp data-start=\"1654\" data-end=\"1684\"\u003ePart Description: Spark Plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"suotmr\" data-start=\"1685\" data-end=\"1726\"\u003e\n\u003cp data-start=\"1687\" data-end=\"1726\"\u003eCenter Electrode Tip Material: Copper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"42bjef\" data-start=\"1727\" data-end=\"1764\"\u003e\n\u003cp data-start=\"1729\" data-end=\"1764\"\u003eCenter Electrode Design: Standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tcgx5m\" data-start=\"1765\" data-end=\"1797\"\u003e\n\u003cp data-start=\"1767\" data-end=\"1797\"\u003eGround Electrode Quantity: 1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"psgbmu\" data-start=\"1798\" data-end=\"1840\"\u003e\n\u003cp data-start=\"1800\" data-end=\"1840\"\u003eGround Electrode Core Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"es7l3k\" data-start=\"1841\" data-end=\"1882\"\u003e\n\u003cp data-start=\"1843\" data-end=\"1882\"\u003eGround Electrode Tip Material: Nickel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"19izo3h\" data-start=\"1883\" data-end=\"1919\"\u003e\n\u003cp data-start=\"1885\" data-end=\"1919\"\u003ePre-Gap Size: 0.050 in \/ 1.28 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e40vn5\" data-start=\"1920\" data-end=\"1954\"\u003e\n\u003cp data-start=\"1922\" data-end=\"1954\"\u003eHex Size: 0.813 in \/ 20.650 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gjjceq\" data-start=\"1955\" data-end=\"1984\"\u003e\n\u003cp data-start=\"1957\" data-end=\"1984\"\u003eInsulator Height: 0.12 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eukqmf\" data-start=\"1985\" data-end=\"2016\"\u003e\n\u003cp data-start=\"1987\" data-end=\"2016\"\u003eManufacturer Heat Range: 14\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12ns31y\" data-start=\"2017\" data-end=\"2036\"\u003e\n\u003cp data-start=\"2019\" data-end=\"2036\"\u003eSeat Type: Flat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"palr3o\" data-start=\"2037\" data-end=\"2055\"\u003e\n\u003cp data-start=\"2039\" data-end=\"2055\"\u003eReach: 0.75 in\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ycvbgn\" data-start=\"2056\" data-end=\"2097\"\u003e\n\u003cp data-start=\"2058\" data-end=\"2097\"\u003eThread Diameter: 0.551 in \/ 14.000 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9nbfma\" data-start=\"2098\" data-end=\"2120\"\u003e\n\u003cp data-start=\"2100\" data-end=\"2120\"\u003eResistor Type: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gsl5i7\" data-start=\"2121\" data-end=\"2145\"\u003e\n\u003cp data-start=\"2123\" data-end=\"2145\"\u003eWasher Included: Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ygep3j\" data-start=\"2146\" data-end=\"2168\"\u003e\n\u003cp data-start=\"2148\" data-end=\"2168\"\u003eWasher Type: Crush\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kzcjo\" data-start=\"2169\" data-end=\"2216\"\u003e\n\u003cp data-start=\"2171\" data-end=\"2216\"\u003eElectrical Terminal Type: Non-Removable Nut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cf799m\" data-start=\"2217\" data-end=\"2234\"\u003e\n\u003cp data-start=\"2219\" data-end=\"2234\"\u003eHex Type: Hex\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nt2tzg\" data-start=\"2235\" data-end=\"2250\"\u003e\n\u003cp data-start=\"2237\" data-end=\"2250\"\u003eIndexed: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1uga05j\" data-start=\"2251\" data-end=\"2274\"\u003e\n\u003cp data-start=\"2253\" data-end=\"2274\"\u003eProp 65 Warning: No\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1dixaz0\" data-start=\"2276\" data-end=\"2286\"\u003eFitment\u003c\/h2\u003e\n\u003cp data-start=\"2287\" data-end=\"2329\"\u003eCompatible with select vehicles including:\u003c\/p\u003e\n\u003cp data-start=\"2331\" data-end=\"2340\"\u003e\u003cstrong data-start=\"2331\" data-end=\"2340\"\u003eAsuna\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2341\" data-end=\"2366\"\u003e\n\u003cli data-section-id=\"26q6oo\" data-start=\"2341\" data-end=\"2354\"\u003e\n\u003cp data-start=\"2343\" data-end=\"2354\"\u003eGT (1993)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"3nnwxp\" data-start=\"2355\" data-end=\"2366\"\u003e\n\u003cp data-start=\"2357\" data-end=\"2366\"\u003eSE (1993)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2368\" data-end=\"2380\"\u003e\u003cstrong data-start=\"2368\" data-end=\"2380\"\u003eChrysler\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2381\" data-end=\"2579\"\u003e\n\u003cli data-section-id=\"14p4ale\" data-start=\"2381\" data-end=\"2405\"\u003e\n\u003cp data-start=\"2383\" data-end=\"2405\"\u003eConcorde (1993–1996)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e51gol\" data-start=\"2406\" data-end=\"2429\"\u003e\n\u003cp data-start=\"2408\" data-end=\"2429\"\u003eDynasty (1990–1993)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ep48h0\" data-start=\"2430\" data-end=\"2454\"\u003e\n\u003cp data-start=\"2432\" data-end=\"2454\"\u003eGrand Voyager (2000)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2pc36m\" data-start=\"2455\" data-end=\"2479\"\u003e\n\u003cp data-start=\"2457\" data-end=\"2479\"\u003eImperial (1990–1993)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"628wpz\" data-start=\"2480\" data-end=\"2504\"\u003e\n\u003cp data-start=\"2482\" data-end=\"2504\"\u003eIntrepid (1993–1997)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1sv6djx\" data-start=\"2505\" data-end=\"2531\"\u003e\n\u003cp data-start=\"2507\" data-end=\"2531\"\u003eNew Yorker (1990–1993)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1a0ajed\" data-start=\"2532\" data-end=\"2562\"\u003e\n\u003cp data-start=\"2534\" data-end=\"2562\"\u003eTown \u0026amp; Country (1990–2000)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ijvaai\" data-start=\"2563\" data-end=\"2579\"\u003e\n\u003cp data-start=\"2565\" data-end=\"2579\"\u003eVoyager (2000)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2581\" data-end=\"2590\"\u003e\u003cstrong data-start=\"2581\" data-end=\"2590\"\u003eDodge\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2591\" data-end=\"2691\"\u003e\n\u003cli data-section-id=\"1jvi1ld\" data-start=\"2591\" data-end=\"2614\"\u003e\n\u003cp data-start=\"2593\" data-end=\"2614\"\u003eCaravan (1990–2000)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"58owz3\" data-start=\"2615\" data-end=\"2644\"\u003e\n\u003cp data-start=\"2617\" data-end=\"2644\"\u003eGrand Caravan (1990–2000)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"e51gol\" data-start=\"2645\" data-end=\"2668\"\u003e\n\u003cp data-start=\"2647\" data-end=\"2668\"\u003eDynasty (1990–1993)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14idzmv\" data-start=\"2669\" data-end=\"2691\"\u003e\n\u003cp data-start=\"2671\" data-end=\"2691\"\u003eIntrepid (1993–1997)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2693\" data-end=\"2702\"\u003e\u003cstrong data-start=\"2693\" data-end=\"2702\"\u003eEagle\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2703\" data-end=\"2745\"\u003e\n\u003cli data-section-id=\"1i9ira2\" data-start=\"2703\" data-end=\"2725\"\u003e\n\u003cp data-start=\"2705\" data-end=\"2725\"\u003eVision (1993–1997)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17gqiw\" data-start=\"2726\" data-end=\"2745\"\u003e\n\u003cp data-start=\"2728\" data-end=\"2745\"\u003eVista (1988–1992)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2747\" data-end=\"2759\"\u003e\u003cstrong data-start=\"2747\" data-end=\"2759\"\u003ePlymouth\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2760\" data-end=\"2811\"\u003e\n\u003cli data-section-id=\"6opgxo\" data-start=\"2760\" data-end=\"2789\"\u003e\n\u003cp data-start=\"2762\" data-end=\"2789\"\u003eGrand Voyager (1990–1999)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1vdnvpl\" data-start=\"2790\" data-end=\"2811\"\u003e\n\u003cp data-start=\"2792\" data-end=\"2811\"\u003eVoyager (1991–2000)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2813\" data-end=\"2828\"\u003e\u003cstrong data-start=\"2813\" data-end=\"2828\"\u003eUtilimaster\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2829\" data-end=\"2851\"\u003e\n\u003cli data-section-id=\"hwb6es\" data-start=\"2829\" data-end=\"2851\"\u003e\n\u003cp data-start=\"2831\" data-end=\"2851\"\u003eStep Van (1991–1994)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2853\" data-end=\"2935\"\u003eAlways verify vehicle compatibility and engine specifications before installation.\u003c\/p\u003e","brand":"CHAMPION","offers":[{"title":"Default Title","offer_id":46284963741895,"sku":"ELE1959","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/Screenshot2026-03-12113043.png?v=1773340136","url":"https:\/\/mainstreeteshop.com\/products\/champion-copper-plus-spark-plug-31","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}