Gears
At General Truck Parts, we maintain a comprehensive inventory of new and replacement gears for heavy-duty trucks and off-highway vehicles. Our selection spans transmission gears, differential gear sets (including ring & pinion assemblies), planetary gear assemblies, side gears and more – covering both popular models and hard-to-find applications. We source these components from industry-leading manufacturers like Eaton Fuller, Dana Spicer, Euroricambi, PAI, TTC, AxleTech, Fabco, and Meritor – brands recognized across the trucking and off-highway sectors for their precision, reliability, and OEM-level performance. Explore our full inventory of gears.
TOP Selling Gears
Fuller 4304510 Main Drive Gear
The Fuller 4304510 Main Drive Gear is an OEM-quality gear module designed for use in heavy-duty Fuller manual and automated transmissions.
Compatible with: Fuller 4302662, 4302662G, 4302662X | Mack 3088-4304510 | Meritor/Rockwell M134304510, M134304510P, M134302662 | PAI EF89530
Dana 046977 Helical Gear-Pinion
Dana 046977 OEM-grade replacement part.
TOP SELLERS: Gears
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Dana 037069 Side Gear
$57.65 -
Dana 046977 Helical Gear-Pinion
$177.60 -
Dana 047GD105 Side Gear
$68.77 -
Dana 074991 Helical Gear-Pinion
$140.99 -
Dana 078911 Side Gear
$80.51 -
Dana 085436 Side Gear
$73.08 -
Dana 085486 Side Gear
$98.44 -
Dana 086576 Differential Pinion Gear SL CL Gear
$585.23 -
Dana 093401 Side Gear
$116.70 -
Dana 095216 Diff Spider
$134.44 -
Dana 10000528 Gear – Helical – Ring
$432.93 -
Dana 10005175 Gear – Diff – Side Gear
$216.81 -
Dana 10005949 Kit-Gear Pinion & Nut
$1,464.42 -
Dana 10005953 Kit-Gear Pinion & Nut
$1,919.97 -
Dana 10005955 Kit-Gear Pinion & Nut
$1,225.39 -
Dana 10006350 Svl Ring & Pinion
$262.00 -
Dana 10010716 Gear – Helical – Input
$368.43 -
Dana 10011380 Gear – Helical – Ring
$511.15 -
Dana 10019031 Gear – Helical – Input
$557.85 -
Dana 10026795 Gear – Diff – Side Gear
$262.33 -
Dana 10026796 Gear – Diff – Side Gear
$201.15 -
Dana 10049643 Gear – Diff – Side Gear
$129.97 -
Dana 10051032 Gear – Helical – Ring
$612.13 -
Fabco 235-0678-005 Cap, Int Shaft
$1,509.78 -
Fabco 235-0484 Cap, Shaft
$236.30 -
Fabco 235-0649 Cap, Shaft
$369.77 -
Fabco 235-0629 Cap, Shaft
$308.56 -
Fabco 235-0375-002 Cap, Shaft
$515.37 -
Fabco 235-0653 Cap, Shaft
$888.71 -
Fabco 235-0632 Cap, Shaft
$189.44
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