{"id":32939,"date":"2025-10-07T19:07:00","date_gmt":"2025-10-07T23:07:00","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-129-4421-motor-gp-piston-1294421\/"},"modified":"2025-10-07T19:07:03","modified_gmt":"2025-10-07T23:07:03","slug":"caterpillar-129-4421-motor-gp-piston-1294421","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-129-4421-motor-gp-piston-1294421\/","title":{"rendered":"CATERPILLAR 129-4421 Motor GP-Piston 1294421"},"content":{"rendered":"

Caterpillar 4P-4240 Spark Plug \u2013 OEM-Grade Ignition for Industrial Engines<\/strong><\/p>\n

The Caterpillar 4P-4240 spark plug is engineered to deliver reliable ignition performance across a wide range of industrial engines, including models 4EK-G3516, 8LD-G3516, 5JD-G3512, 7NJ-G3512, 5PN-G3516, 2JF-G3508, 4WD-G3508, 9TG-G3508, 4KC-G3512, 3RC-G3516, 3XF-G3606, 1YG-G3612, and 4CG-G3616. Manufactured to Caterpillar\u2019s stringent OEM specifications, this spark plug features precision metallurgy and optimized electrode design to withstand extreme load conditions and high-temperature environments typical in heavy-duty industrial applications. Its robust construction ensures consistent spark delivery, enhancing combustion efficiency and engine reliability.<\/p>\n

Technically, the 4P-4240 spark plug incorporates a corrosion-resistant alloy center electrode and a durable ceramic insulator capable of withstanding thermal shock. The spark plug\u2019s carefully calibrated gap and thread dimensions ensure perfect fitment and optimal ignition timing, reducing misfires and improving fuel economy. Designed for high-performance industrial engines, it supports sustained operation under heavy load and variable RPMs, contributing to lower emissions and extended engine life. This component is essential for maintaining peak engine performance and minimizing downtime in demanding industrial settings.<\/p>\n

\ud83d\udd17 For genuine Caterpillar 4P-4240 spark plugs and detailed specifications, visit the official product page at Caterpillar 4P-4240 Spark Plug 4P4240<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

ASY-CP-573E Paving Compactor
\n3XN-CP-533C Paving Compactor
\n5JN-CP-563C Paving Compactor
\nC7L-CP-76 Paving Compactor
\n2WN-CS-533C Paving Compactor
\n4KN-CS-563C Paving Compactor
\nCYX-CS-76 Paving Compactor
\nJCS-CS-76 Paving Compactor
\n7MN-CS-583C Paving Compactor
\n3YN-CP-533C Paving Compactor
\n5KN-CP-563C Paving Compactor
\nASZ-CP-573E Paving Compactor
\nASF-CP-663E Paving Compactor
\nJCP-CP-76 Paving Compactor
\n2XN-CS-533C Paving Compactor
\n4LN-CS-563C Paving Compactor
\n6AZ-CP-533D Paving Compactor
\nAFC-CP-533D Paving Compactor
\n5CZ-CS-533D Paving Compactor
\nAET-CS-533D Paving Compactor
\n6LN-CS-573C Paving Compactor
\nCNN-CS-573E Paving Compactor
\n7NN-CS-583C Paving Compactor
\nCNX-CS-583E Paving Compactor
\n5LZ-CP-563D Paving Compactor
\n9ZW-CP-563D Paving Compactor
\nBWE-CP-563E Paving Compactor
\nCNT-CP-563E Paving Compactor
\nC5P-CP-56 Paving Compactor
\nFCP-CP-56 Paving Compactor
\nC6P-CP-64 Paving Compactor
\nP7F-CP-64 Paving Compactor
\nAFL-CP-663E Paving Compactor
\nP8F-CP-74 Paving Compactor
\n1SZ-CS-563D Paving Com<\/p>","protected":false},"featured_media":32621,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[19873],"model_no":[79394,79393,44153,647,78576,79395,58369,39073,39070,648,39074,649,650,79398,79397,44155,651,78577,77948,44150,39077,78578,93070,58370,39098,79392,41424,44148,39099,652,39078,39079,653,654],"product_cat":[144],"product_tag":[200239,200253,200257,200258,200259,200249,200256,200247,200254,200206,200252,200251,200250,200255,200246,200260,200245,200248,200262,200261],"class_list":{"0":"post-32939","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-paving-compactor","8":"model_no-cp-533","9":"model_no-cp-533c","10":"model_no-cp-533d","11":"model_no-cp-56","12":"model_no-cp-563","13":"model_no-cp-563c","14":"model_no-cp-563d","15":"model_no-cp-563e","16":"model_no-cp-573e","17":"model_no-cp-64","18":"model_no-cp-663e","19":"model_no-cp-74","20":"model_no-cp-76","21":"model_no-cs-533","22":"model_no-cs-533c","23":"model_no-cs-533d","24":"model_no-cs-56","25":"model_no-cs-563","26":"model_no-cs-563c","27":"model_no-cs-563d","28":"model_no-cs-563e","29":"model_no-cs-573","30":"model_no-cs-573c","31":"model_no-cs-573d","32":"model_no-cs-573e","33":"model_no-cs-583","34":"model_no-cs-583c","35":"model_no-cs-583d","36":"model_no-cs-583e","37":"model_no-cs-64","38":"model_no-cs-663e","39":"model_no-cs-683e","40":"model_no-cs-74","41":"model_no-cs-76","42":"product_cat-mining","43":"product_tag-1yg-g3612-spark-plug","44":"product_tag-2jf-g3508-ignition-component","45":"product_tag-3rc-g3516-spark-plug","46":"product_tag-3xf-g3606-cat-ignition","47":"product_tag-4cg-g3616-engine-part","48":"product_tag-4ek-g3516-spark-plug","49":"product_tag-4kc-g3512-engine-part","50":"product_tag-4p-4240-engine-spark-plug","51":"product_tag-4wd-g3508-spark-plug","52":"product_tag-5jd-g3512-spark-plug","53":"product_tag-5pn-g3516-spark-plug-cat","54":"product_tag-7nj-g3512-engine-part","55":"product_tag-8ld-g3516-cat-spark-plug","56":"product_tag-9tg-g3508-cat-spark-plug","57":"product_tag-cat-4p4240-ignition-part","58":"product_tag-cat-spark-plug-4p-4240","59":"product_tag-caterpillar-4p-4240-spark-plug","60":"product_tag-caterpillar-g3516-engine-spark-plug","61":"product_tag-construction-machinery-ignition-part","62":"product_tag-mining-equipment-spark-plug-cat","64":"first","65":"instock","66":"shipping-taxable","67":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/32939","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/comments?post=32939"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/32621"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=32939"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=32939"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=32939"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=32939"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=32939"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=32939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}