{"product_id":"ipd-caterpillar-3406e-c15-c15-acert-spacer-plate-6i4421","title":"IPD - Caterpillar 3406E\/C15\/C15 Acert Spacer Plate - 6I4421","description":"\u003ch3 data-start=\"92\" data-end=\"163\"\u003eCaterpillar Engine Block Spacer Plate – Stress Protection Upgrade\u003c\/h3\u003e\n\u003cp data-start=\"164\" data-end=\"200\"\u003e\u003cstrong data-start=\"164\" data-end=\"200\"\u003eFits CAT 3406E \/ C15 \/ C15 ACERT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"202\" data-end=\"520\"\u003eProtect your Caterpillar engine during rebuilds with a precision engine block spacer plate designed to reduce stress on the liner flange and prevent cracking. This critical component ensures proper liner protrusion and reliable head gasket sealing — an essential safeguard during any overhaul or cylinder head removal.\u003c\/p\u003e\n\u003cp data-start=\"522\" data-end=\"804\"\u003eSpacer plates are manufactured slightly thinner than the liner flange to maintain correct compression height and sealing integrity. Replacing the spacer plate during service is an inexpensive preventative measure that helps avoid coolant leaks, gasket failures, and costly downtime.\u003c\/p\u003e\n\u003cp data-start=\"806\" data-end=\"869\"\u003eTwo thickness options are available to match your engine setup:\u003c\/p\u003e\n\u003cul data-start=\"871\" data-end=\"970\"\u003e\n\u003cli data-start=\"871\" data-end=\"925\"\u003e\n\u003cp data-start=\"873\" data-end=\"925\"\u003e\u003cstrong data-start=\"873\" data-end=\"925\"\u003e.338” Thickness — Part Number: 6I4421 (Standard)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"926\" data-end=\"970\"\u003e\n\u003cp data-start=\"928\" data-end=\"970\"\u003e\u003cstrong data-start=\"928\" data-end=\"970\"\u003e.335” Thickness — Part Number: 1389381\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"972\" data-end=\"1098\"\u003eSelecting the correct plate ensures proper liner height and long-term engine durability under heavy-duty operating conditions.\u003c\/p\u003e\n\u003ch3 data-start=\"1100\" data-end=\"1127\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1129\" data-end=\"1233\"\u003e\u003cstrong data-start=\"1129\" data-end=\"1156\"\u003eStress-Reduction Design\u003c\/strong\u003e\u003cbr data-start=\"1156\" data-end=\"1159\"\u003eMinimizes liner flange cracking caused by cylinder pressure and vibration.\u003c\/p\u003e\n\u003cp data-start=\"1235\" data-end=\"1326\"\u003e\u003cstrong data-start=\"1235\" data-end=\"1266\"\u003ePrecision Thickness Control\u003c\/strong\u003e\u003cbr data-start=\"1266\" data-end=\"1269\"\u003eEnsures correct liner protrusion and head gasket sealing.\u003c\/p\u003e\n\u003cp data-start=\"1328\" data-end=\"1413\"\u003e\u003cstrong data-start=\"1328\" data-end=\"1360\"\u003eOverhaul Essential Component\u003c\/strong\u003e\u003cbr data-start=\"1360\" data-end=\"1363\"\u003eRecommended whenever the cylinder head is removed.\u003c\/p\u003e\n\u003cp data-start=\"1415\" data-end=\"1498\"\u003e\u003cstrong data-start=\"1415\" data-end=\"1440\"\u003eHeavy-Duty Durability\u003c\/strong\u003e\u003cbr data-start=\"1440\" data-end=\"1443\"\u003eBuilt for extreme heat and load in commercial trucking.\u003c\/p\u003e\n\u003cp data-start=\"1500\" data-end=\"1580\"\u003e\u003cstrong data-start=\"1500\" data-end=\"1536\"\u003eCost-Effective Engine Protection\u003c\/strong\u003e\u003cbr data-start=\"1536\" data-end=\"1539\"\u003ePrevents expensive failures and downtime.\u003c\/p\u003e\n\u003ch3 data-start=\"1582\" data-end=\"1602\"\u003eCross References\u003c\/h3\u003e\n\u003cp data-start=\"1604\" data-end=\"1622\"\u003e6I4421\u003cbr data-start=\"1610\" data-end=\"1613\"\u003e1389381\u003c\/p\u003e\n\u003cp data-start=\"1624\" data-end=\"1823\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eInstall a new spacer plate during your next overhaul to protect your CAT engine and ensure proper sealing. A small investment that delivers long-term reliability for trucks that work hard every mile.\u003c\/p\u003e","brand":"ATE PERFORMANCE DIESEL","offers":[{"title":"Default Title","offer_id":53291377721654,"sku":"IPD614421","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/3793\/8230\/files\/6i4421.jpg?v=1763853616","url":"https:\/\/www.ateperformancediesel.com\/products\/ipd-caterpillar-3406e-c15-c15-acert-spacer-plate-6i4421","provider":"ATE PERFORMANCE DIESEL","version":"1.0","type":"link"}