{"id":49908,"date":"2026-01-26T03:05:56","date_gmt":"2026-01-26T08:05:56","guid":{"rendered":"https:\/\/allparts.expert\/parts\/uncategorized\/caterpillar-1w-6445-gear-as-fuel-pump-idler-1w6445-2\/"},"modified":"2026-01-26T03:05:59","modified_gmt":"2026-01-26T08:05:59","slug":"caterpillar-1w-6445-gear-as-fuel-pump-idler-1w6445-2","status":"publish","type":"product","link":"https:\/\/allparts.expert\/es\/parts\/mining\/caterpillar-1w-6445-gear-as-fuel-pump-idler-1w6445-2\/","title":{"rendered":"CATERPILLAR 1W-6445 Gear AS-Fuel Pump Idler 1W6445"},"content":{"rendered":"

Caterpillar 1W-6445 Gear AS-Fuel Pump Idler \u2013 OEM-Grade Durability and Precision Fit<\/strong>
\nThe Caterpillar 1W-6445 Gear AS-Fuel Pump Idler is a critical drivetrain component engineered for optimal performance in heavy-duty applications such as articulated dump trucks, earthmoving compactors, Challengers, and engine-generator sets. Manufactured to OEM specifications, this idler gear ensures precise fuel pump operation by maintaining consistent gear meshing and torque transmission under extreme load conditions. Crafted from high-grade alloy steel with advanced metallurgy treatments, the 1W-6445 offers superior wear resistance and dimensional stability, boasting exacting diameters and tooth profiles that match Caterpillar\u2019s stringent standards.<\/p>\n

Designed to fit a wide range of Caterpillar models including the 1HK-D25D, 4SD-D300B, 2ZJ-65C, 91P-815, and 83Z-3304B series, this gear idler supports reliable fuel delivery and engine efficiency. Its robust construction minimizes backlash and vibration, enhancing fuel pump longevity and overall drivetrain reliability. The precision machining and hardened surface treatments contribute to reduced maintenance intervals and extended service life, making it an indispensable part for maintaining peak machine productivity in mining, construction, and industrial environments.<\/p>\n

For professional-grade replacement parts that guarantee compatibility and performance, explore the full specifications and availability of the Caterpillar 1W-6445 Gear AS-Fuel Pump Idler here: \ud83d\udd17 Caterpillar 1W-6445 Gear AS-Fuel Pump Idler at AllParts.Expert<\/a>. Ensure your heavy equipment operates at maximum efficiency with this essential OEM component.<\/p>","protected":false},"excerpt":{"rendered":"

1HK-D25D Articulated Dump Truck
\n4SD-D300B Articulated Dump Truck
\n5MG-D300D Articulated Dump Truck
\n3AJ-D30D Articulated Dump Truck
\n9RF-D350D Articulated Dump Truck
\n5WD-D250B Articulated Dump Truck
\n9YC-D25C Articulated Dump Truck
\n7ZC-D30C Articulated Dump Truck
\n8XC-D350C Articulated Dump Truck
\n2GD-D35C Articulated Dump Truck
\n2ZJ-65C Challenger
\n2ZJ-65D Challenger
\n7YC-65B Challenger
\n7YC-65 Challenger
\n2YL-70C Challenger
\n91P-815 Earthmoving Compactor
\n57U-816 Earthmoving Compactor
\n15R-815 Earthmoving Compactor
\n41S-816 Earthmoving Compactor
\n15Z-816B Earthmoving Compactor
\n17Z-815B Earthmoving Compactor
\n83Z-3304B Engine – Generator Set
\n83Z-3304 Engine – Generator Set
\n2AJ-3306B Engine – Generator Set
\n85Z-3306 Engine – Generator Set
\n1YF-3304B Engine – Generator Set
\n2KK-3304B Engine – Generator Set
\n3TC-3304B Engine – Generator Set
\n9HK-3304B Engine – Generator Set
\n3TC-3304 Engine – Generator Set
\n4PC-3304 Engine – Generator Set
\n6YB-3304 Engine – Generator Set
\n1DG-3306B Engine – Generator Set<\/p>","protected":false},"featured_media":47787,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_joinchat":[]},"product_brand":[36],"machine-type":[21022],"model_no":[731,37530,2484,6731,2057,2058,2486,2483,732,38871,2059,2060,6732,2062,37514,39033,7182,7187,7188,7190,7189,7193,7191,7192,7195,7194,6726,2052,2053,2054,7073,7205,2055,7074,7206,37496,37495,2050,2051,40201,40202,7184,38653,38652,38104,38105,38106,688,38845,690,38846,22355,22356,22357,22358,7165,22359,22360,37502,37503,22361,22362,22363,42295,42296,42357,42358,42360,42359,37582,37507,37581],"product_cat":[144],"product_tag":[331822,331814,331837,331808,331831,331843,331816,331826,331818,331824,331810,331833,331827,331839,331820,331825,331829,331835,316155,331841],"class_list":{"0":"post-49908","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-caterpillar","7":"machine-type-articulated-dump-truck","8":"model_no-731","9":"model_no-120b","10":"model_no-120g","11":"model_no-12f","12":"model_no-12g","13":"model_no-12h","14":"model_no-12h-na","15":"model_no-130g","16":"model_no-732","17":"model_no-140b","18":"model_no-140g","19":"model_no-140h","20":"model_no-14e","21":"model_no-14g","22":"model_no-1673c","23":"model_no-39033","24":"model_no-215b","25":"model_no-215c","26":"model_no-215d","27":"model_no-7190","28":"model_no-219d","29":"model_no-7193","30":"model_no-225b","31":"model_no-225d","32":"model_no-7195","33":"model_no-229d","34":"model_no-6726","35":"model_no-235b","36":"model_no-235c","37":"model_no-235d","38":"model_no-330-l","39":"model_no-330-ln","40":"model_no-330-a","41":"model_no-330-a-l","42":"model_no-330-a-ln","43":"model_no-37496","44":"model_no-3304b","45":"model_no-2050","46":"model_no-3306b","47":"model_no-350-l","48":"model_no-350-a","49":"model_no-350-a-l","50":"model_no-38653","51":"model_no-65b","52":"model_no-65c","53":"model_no-65d","54":"model_no-70c","55":"model_no-688","56":"model_no-815b","57":"model_no-690","58":"model_no-816b","59":"model_no-d250b","60":"model_no-d25c","61":"model_no-d25d","62":"model_no-d300b","63":"model_no-d300d","64":"model_no-d30c","65":"model_no-d30d","66":"model_no-d330c","67":"model_no-d333c","68":"model_no-d350c","69":"model_no-d350d","70":"model_no-d35c","71":"model_no-e240","72":"model_no-e300","73":"model_no-e300b","74":"model_no-el240","75":"model_no-el300","76":"model_no-el300b","77":"model_no-g3304","78":"model_no-g3306","79":"model_no-g333c","80":"product_cat-mining","81":"product_tag-1w-6445-earthmoving-compactor-gear","82":"product_tag-1w-6445-fuel-pump-gear","83":"product_tag-1w-6445-fuel-pump-idler-gear-for-cat-heavy-equipment","84":"product_tag-1w-6445-gear","85":"product_tag-1w-6445-gear-for-9rf-d350d-articulated-dump-truck","86":"product_tag-1w-6445-gear-part-for-cat-7yc-65b-challenger","87":"product_tag-1w-6445-heavy-machinery-gear","88":"product_tag-1w-6445-idler-gear-for-cat-3304-engine","89":"product_tag-cat-1w-6445-articulated-dump-truck-part","90":"product_tag-cat-1w-6445-engine-generator-set-part","91":"product_tag-cat-1w-6445-fuel-pump-idler-gear","92":"product_tag-cat-1w-6445-gear-for-15z-816b-earthmoving-compactor","93":"product_tag-cat-1w-6445-gear-for-3tc-3304-engine","94":"product_tag-cat-1w-6445-replacement-gear-for-mining-equipment","95":"product_tag-caterpillar-1w-6445-challenger-gear","96":"product_tag-caterpillar-1w-6445-fuel-pump-gear-replacement","97":"product_tag-caterpillar-1w-6445-gear-for-2zj-65c-challenger","98":"product_tag-caterpillar-1w-6445-gear-for-85z-3306-engine-generator","99":"product_tag-caterpillar-1w-6445-idler-gear","100":"product_tag-caterpillar-1w-6445-idler-gear-for-5mg-d300d-articulated-dump-truck","102":"first","103":"instock","104":"shipping-taxable","105":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product\/49908","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=49908"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media\/47787"}],"wp:attachment":[{"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/media?parent=49908"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_brand?post=49908"},{"taxonomy":"machine-type","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/machine-type?post=49908"},{"taxonomy":"model_no","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/model_no?post=49908"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allparts.expert\/es\/wp-json\/wp\/v2\/product_cat?post=49908"},{"taxonomy":"product_tag","embeddable":true,"href":"https: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