{"id":56231,"date":"2026-03-12T15:37:41","date_gmt":"2026-03-12T19:37:41","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/cat-6020b-pump-amp-mtg-gp-piston-5121045-caterpillar-512-1045-mining\/"},"modified":"2026-03-12T15:37:45","modified_gmt":"2026-03-12T19:37:45","slug":"cat-6020b-pump-amp-mtg-gp-piston-5121045-caterpillar-512-1045-mining","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/cat-6020b-pump-amp-mtg-gp-piston-5121045-caterpillar-512-1045-mining\/","title":{"rendered":"CAT 6020B PUMP AMP; MTG GP-PISTON 5121045 | Caterpillar 512-1045 | Mining"},"content":{"rendered":"

Title
\nCaterpillar 512-1045 Pump & Mtg Gp-Piston 5121045 | Fits 6020B, 6040, 6020 Excavators<\/p>\n

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Opening Paragraph
\nThe Caterpillar 512-1045 Pump & Mtg Gp-Piston 5121045 is a precision-engineered OEM replacement component designed for 6020B, 6040, and 6020 excavators operating in mining and heavy construction environments. Built for structural durability and exact fitment, this pump & mtg gp-piston 5121045 supports critical assemblies to ensure reliable performance and reduced downtime.<\/p>\n

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Common Applications
\nThis Caterpillar 512-1045 pump & mtg gp-piston 5121045 is essential for:
\n– Professional maintenance of CAT excavators.
\n– Direct replacement of worn structural and pivot components.
\n– Heavy-duty mining and earthmoving operations.
\n– Maintaining proper alignment in equipment linkage systems.<\/p>\n

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Fits The Following Models
\n– CAT 6020B Excavator
\n– CAT 6040 Excavator
\n– CAT 6020 Excavator
\n(Verify fitment with your specific serial number.)<\/p>\n

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OEM Reference
\nPart Number: 512-1045
\nBrand: Caterpillar
\nCategory: Mining
\nMachine Type: Hydraulic Excavator
\nCondition: OEM \/ Genuine-Style Replacement <\/p>\n

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Product Details and Availability
\nIn Stock (if confirmed).
\nGlobal Shipping Available.
\nSerial Number Verification Support.
\nRequest Fast Quote for Current Market Pricing.<\/p>\n

Access full technical specifications and availability here:
\nhttps:\/\/allparts.expert\/parts\/mining\/cat-6020b-pump-amp-mtg-gp-piston-5121045-caterpillar-512-1045-mining\/<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Direct OEM Genuine<\/p>\n

Multi-Model Compatibility<\/p>\n

Heavy-Duty Mining Grade<\/p>\n

Serial Verification Available<\/p>\n

Worldwide Shipping<\/p>","protected":false},"featured_media":55884,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[21599],"model_no":[1679,1678,2567],"product_cat":[144],"product_tag":[377236,377247,376804,166582,377243,377234,376767,377244,377238,377240,377246,377233,377235,377237,377245,377239,377241,377248,376421,377242],"class_list":{"0":"post-56231","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-expanded-mining-products","8":"model_no-1679","9":"model_no-6020b","10":"model_no-2567","11":"product_cat-mining","12":"product_tag-512-1045-mounting-group","13":"product_tag-512-1045-replacement-parts","14":"product_tag-6k4-6040-caterpillar-components","15":"product_tag-6p4-6040-expanded-mining-parts","16":"product_tag-7p2-6020-expanded-mining-products","17":"product_tag-cat-512-1045-piston-pump","18":"product_tag-cat-6p4-6040-mining-products","19":"product_tag-cat-7p4-6020-spare-parts","20":"product_tag-cat-d4r-6020b-parts","21":"product_tag-cat-d4y-6020b-spare-parts","22":"product_tag-cat-dny-6020b-pump","23":"product_tag-caterpillar-512-1045-pump","24":"product_tag-caterpillar-5121045-parts","25":"product_tag-caterpillar-6p4-6040-parts","26":"product_tag-caterpillar-7p4-6020-components","27":"product_tag-caterpillar-d4r-6020b-products","28":"product_tag-caterpillar-d4y-6020b-pump","29":"product_tag-caterpillar-hydraulic-pump-512-1045","30":"product_tag-dnr-6020b-mining-products","31":"product_tag-dny-6020b-caterpillar-parts","33":"first","34":"instock","35":"shipping-taxable","36":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/56231","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=56231"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/55884"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=56231"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=56231"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=56231"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=56231"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=56231"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_tag?post=56231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}