{"id":1106,"date":"2026-11-11T09:38:42","date_gmt":"2026-11-11T14:38:42","guid":{"rendered":"https:\/\/www.masonsautostore.com\/part\/caterpillar-c15-acert-mxs-550-hp-diesel-engine-2007-tested-runner\/"},"modified":"2026-11-11T10:05:38","modified_gmt":"2026-11-11T15:05:38","slug":"caterpillar-c15-acert-mxs-550-hp-diesel-engine-2007-tested-runner","status":"publish","type":"product","link":"https:\/\/www.masonsautostore.com\/es\/part\/caterpillar-c15-acert-mxs-550-hp-diesel-engine-2007-tested-runner\/","title":{"rendered":"Caterpillar C15 ACERT (MXS) 550 HP Diesel Engine (2007) \u2014 Tested Runner"},"content":{"rendered":"<h2>Caterpillar C15 ACERT (MXS) 550 HP Diesel Engine (2007) \u2014 Tested Runner<\/h2>\n<p>This used \u2014 tested <strong>Caterpillar C15 ACERT 15.2L inline-6 turbo-diesel<\/strong> engine is for Kenworth W900 \/ T800, Peterbilt 379 \/ 389 with the C15 ACERT. 550 hp, MXS serial prefix. Tested runner; warranty per supplier. Mason\u2019s Auto Store sources each engine through its network of trusted suppliers and recyclers, confirms availability within one business day of your order, checks the engine code against your VIN or engine data plate, and ships it on a pallet by freight from Battle Creek, Michigan or directly from the supplier, with optional shipping insurance.<\/p>\n<h3>Specifications<\/h3>\n<table class=\"spec-table\">\n<tr>\n<th>Engine<\/th>\n<td>Caterpillar C15 ACERT 15.2L inline-6 turbo-diesel<\/td>\n<\/tr>\n<tr>\n<th>Fuel<\/th>\n<td>Diesel<\/td>\n<\/tr>\n<tr>\n<th>Fits<\/th>\n<td>Kenworth W900 \/ T800, Peterbilt 379 \/ 389 with the C15 ACERT<\/td>\n<\/tr>\n<tr>\n<th>Model years<\/th>\n<td>2007<\/td>\n<\/tr>\n<tr>\n<th>Condition<\/th>\n<td>Used \u2014 tested<\/td>\n<\/tr>\n<tr>\n<th>Notes<\/th>\n<td>550 hp, MXS serial prefix. Tested runner; warranty per supplier.<\/td>\n<\/tr>\n<tr>\n<th>Warranty<\/th>\n<td>90 days to 6 months (per supplier)<\/td>\n<\/tr>\n<tr>\n<th>Shipping<\/th>\n<td>Freight on a pallet (heavy-duty, commercial delivery)<\/td>\n<\/tr>\n<tr>\n<th>Sold as<\/th>\n<td>One complete engine (or long block where stated)<\/td>\n<\/tr>\n<\/table>\n<h3>Before you order<\/h3>\n<p>Match the engine code, not just the displacement: for heavy-duty diesels send the CPL \/ serial \/ arrangement number and EPA emissions year from the engine data plate. Ask about the core charge for your old engine, included accessories, and test results (compression or run video). Call +1 269-393-6376 or send a <a href=\"\/es\/bulk-inquiry\/\">quote request<\/a>.<\/p>\n<h3>Installation<\/h3>\n<p>Have the engine installed by a qualified technician with new fluids, filters, gaskets and thermostat, and follow the manufacturer\u2019s break-in procedure. Labor is not covered by the parts warranty.<\/p>\n<p><em>Photos come from the supplier or public listings and may differ from the unit shipped.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Used \u2014 tested Caterpillar C15 ACERT 15.2L inline-6 turbo-diesel engine for Kenworth W900 \/ T800, Peterbilt 379 \/ 389 with the C15 ACERT. 550 hp, MXS serial prefix. VIN check included; ships by freight.<\/p>","protected":false},"featured_media":1145,"comment_status":"open","ping_status":"closed","template":"","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":""},"product_brand":[354],"product_cat":[347],"product_tag":[355,349,351,238],"mas_vehicle":[346,339,343,340,341],"mas_condition":[88],"mas_source":[90],"class_list":["post-1106","product","type-product","status-publish","has-post-thumbnail","product_brand-caterpillar","product_cat-engines","product_tag-caterpillar-c15-acert-15-2l-inline-6-turbo-diesel","product_tag-engines","product_tag-heavy-duty-diesel","product_tag-used-tested","mas_vehicle-peterbilt-379","mas_vehicle-kenworth","mas_vehicle-peterbilt","mas_vehicle-kenworth-t800","mas_vehicle-kenworth-w900","mas_condition-used-tested","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/product\/1106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/comments?post=1106"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/media\/1145"}],"wp:attachment":[{"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/media?parent=1106"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/product_brand?post=1106"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/product_cat?post=1106"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/product_tag?post=1106"},{"taxonomy":"mas_vehicle","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/mas_vehicle?post=1106"},{"taxonomy":"mas_condition","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/mas_condition?post=1106"},{"taxonomy":"mas_source","embeddable":true,"href":"https:\/\/www.masonsautostore.com\/es\/wp-json\/wp\/v2\/mas_source?post=1106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}