{"id":60810,"date":"2026-05-12T21:09:34","date_gmt":"2026-05-13T01:09:34","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-d7r-ii-relief-valve-group-1216647-caterpillar-121-6647-mining\/"},"modified":"2026-05-12T21:12:09","modified_gmt":"2026-05-13T01:12:09","slug":"cat-d7r-ii-relief-valve-group-1216647-caterpillar-121-6647-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-d7r-ii-relief-valve-group-1216647-caterpillar-121-6647-mining\/","title":{"rendered":"CAT D7R II RELIEF VALVE GROUP 1216647 | Caterpillar 121-6647 | Mining"},"content":{"rendered":"<p>Title<br \/>\nCaterpillar 121-6647 Relief Valve Group | Fits D7R II, D7R, D7R LGP, D7R SERIES Excavators<\/p>\n<p>\u2e3b<\/p>\n<p>Opening Paragraph<br \/>\nThe Caterpillar 121-6647 Relief Valve Group is a precision-engineered OEM replacement component designed for D7R II, D7R, D7R LGP, and D7R SERIES excavators operating in Track-type Tractor and heavy construction environments. Built for structural durability and exact fitment, this relief valve group supports critical assemblies to ensure reliable performance and reduced downtime.<\/p>\n<p>\u2e3b<\/p>\n<p>Common Applications<br \/>\nThis Caterpillar 121-6647 relief valve group is essential for:<br \/>\nProfessional maintenance of CAT excavators.<br \/>\nDirect replacement of worn structural and pivot components.<br \/>\nHeavy-duty Track-type Tractor and earthmoving operations.<br \/>\nMaintaining proper alignment in equipment linkage systems.<\/p>\n<p>\u2e3b<\/p>\n<p>Fits The Following Models<br \/>\nCAT D7R II Excavator<br \/>\nCAT D7R Excavator<br \/>\nCAT D7R LGP Excavator<br \/>\nCAT D7R SERIES Excavator<br \/>\nCAT D7R XR Excavator<br \/>\n(Verify fitment with your specific serial number.)<\/p>\n<p>\u2e3b<\/p>\n<p>OEM Reference<br \/>\nPart Number: 121-6647<br \/>\nBrand: Caterpillar<br \/>\nCategory: Track-type Tractor<br \/>\nMachine Type: Hydraulic Excavator<br \/>\nCondition: OEM \/ Genuine-Style Replacement<\/p>\n<p>\u2e3b<\/p>\n<p>Product Details and Availability<br \/>\nIn Stock (if confirmed).<br \/>\nGlobal Shipping Available.<br \/>\nSerial Number Verification Support.<br \/>\nRequest Fast Quote for Current Market Pricing.<\/p>\n<p>Access full technical specifications and availability here:<br \/>\n<a href=\"https:\/\/allparts.expert\/es\/parts\/mining\/cat-d7r-ii-relief-valve-group-1216647-caterpillar-121-6647-mining\/\">https:\/\/allparts.expert\/parts\/mining\/cat-d7r-ii-relief-valve-group-1216647-caterpillar-121-6647-mining\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Direct OEM Genuine<br \/>\nMulti-Model Compatibility<br \/>\nHeavy-Duty Mining Grade<br \/>\nSerial Verification Available<br \/>\nWorldwide Shipping<\/p>","protected":false},"featured_media":60809,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[6465],"model_no":[21060,20585,20587,20586,20588,2071,2072,27951,41231,27963,41232],"product_cat":[144],"product_tag":[412161,412149,412157,412164,412154,412158,412147,412150,412155,412162,412148,412165,412152,412159,412156,412151,412153,412163,412160],"class_list":{"0":"post-60810","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-track-type-tractor","8":"model_no-57h","9":"model_no-7a","10":"model_no-7s","11":"model_no-7su","12":"model_no-7u","13":"model_no-d7h","14":"model_no-d7r","15":"model_no-d7r-ii","16":"model_no-d7r-lgp","17":"model_no-d7r-series","18":"model_no-d7r-xr","19":"product_cat-mining","20":"product_tag-121-6647-caterpillar-relief-valve-replacement","21":"product_tag-121-6647-relief-valve","22":"product_tag-121-6647-valve-assembly","23":"product_tag-121-6647-valve-for-cat-tractors","24":"product_tag-121-6647-valve-for-d7r-series","25":"product_tag-buy-cat-121-6647-online","26":"product_tag-cat-121-6647-relief-valve-group","27":"product_tag-cat-d7r-ii-121-6647","28":"product_tag-cat-d7r-xr-121-6647","29":"product_tag-cat-parts-for-d7r-ii-121-6647","30":"product_tag-caterpillar-121-6647-parts","31":"product_tag-caterpillar-121-6647-track-type-tractor-parts","32":"product_tag-caterpillar-d7r-121-6647-parts","33":"product_tag-caterpillar-relief-valve-group-121-6647","34":"product_tag-caterpillar-track-type-tractor-121-6647","35":"product_tag-d7r-121-6647-relief-valve","36":"product_tag-d7r-lgp-121-6647-relief-valve","37":"product_tag-d7r-lgp-parts-121-6647","38":"product_tag-d7r-series-121-6647-parts","40":"first","41":"instock","42":"shipping-taxable","43":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/60810","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=60810"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/60809"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=60810"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=60810"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=60810"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=60810"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=60810"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=60810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}