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Browse aftermarket replacement parts for the Kubota D905 industrial engine. Kubota Super Mini Series 3-cylinder industrial diesel engine.
Use filters or search by OEM part number to find the right part. Compatibility details are listed on each product page.
The D905 is a 3 cylinder member of Kubota's Super Mini Series, sized between the smaller D902 and the larger D1005 in the same compact engine family. The Super Mini Series specifically targets compact equipment installations where engine bay volume and weight are the primary design constraints, with all members of the family sharing common service item part numbers despite the displacement differences. The D905 specifically often shows up in OEM applications that originally specified the D902 and were upgraded to the D905 as the application grew, because the engine package mounts in the same engine bay with no chassis modification required. Variants compliant with Tier 2 (D905-E2B), Tier 3 (D905-E3B), and Tier 4 (D905-E4B) are all in production, with the D905-E4-BG generator package serving stationary standby and prime power applications.
Common applications for the D905 include compact zero turn mowers, small skid steer loaders from manufacturers other than Kubota, ground support equipment, light construction machines, and stationary generator packages where 24 to 25 horsepower is the design target. The D905 shares the cross OEM presence of the Super Mini family across compact industrial categories.
The D905 service parts inventory is dominated by Engine Oil Filter cross references shared with the larger 05 Series engines. Engine Oil Filter W21ESO1600, the alternate revision W21ES01600, 1627132090, and 16271-32092 cover the spin on lube filter cross references for the D905 across multiple OEM application housings. Fuel system service uses In Line Fuel Filter 1258143011 (and 12581-43012 alternate) for the secondary in line filter, with Fuel Filter 15831-43380 fitting later production Tier 4 D905 installations.
Engine internal hardware (Stud 16241-91490, Oil Gauge Plug 1G513-36550) is heavily represented in D905 inventory because the engines in compact mowing and ground support applications see hour density that drives top end refresh work earlier than larger engines in lighter duty cycles. The D905 shares the lube filter family with the larger D1105 and V1505, which means an OEM application running the D905 can stock the same lube filter for upgrade migration to D1105 if the equipment chassis ever transitions to the higher displacement engine.
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