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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AxleTech E88350002 Planet Gear
$307.74 -
TTC 97-8-184 Gear
$764.34 -
Fuller EADT9302623617 Gear -31 T
$217.28 -
Fuller 4302666 Gear
$159.59 -
TTC 97-465-4 Gear Clutch Collar
$168.21 -
Dana 707365X Differential & Pinion Shim
$60.01 -
RH Sheppard M90PBD3R Remanufactured Steering Gear
$1,035.30 -
Dana 707475-3X Gear Set Kit – 76160
$706.94 -
Dana 73382-5X Ring & Pinion Gear Set
$280.92 -
Fuller 16953 Reverse Idler Gear
$83.46 -
Fuller 235364 Mainshaft Gear 1ST
$134.01 -
Fuller 4301477 Gear Mainshaft 5TH
$127.56 -
Fuller 4308108 Auxiliary Drive Gear
$219.44 -
Fuller 4303360 Auxiliary Drive Gear
$183.33 -
Fuller 4304510 Main Drive Gear
$157.07 -
TTC 98-453-1 Gear Speedometer
$142.49 -
AxleTech 3892G1541 Gear Sun
$590.95 -
Dana 708026-3 Drive Gear & Pinion
$1,432.84 -
Dana 708015-1 Ring & Pinion Set
$448.95 -
Dana 706017-3X Gear Set
$426.64 -
Dana 700020-1 Gear Set Kit
$671.46 -
Dana 10031771 Gear – Hypoid Gearset
$457.97 -
Dana 134684 Gear & Bushing Assembly
$464.59 -
Fabco 432-0676 Gear, 35 Tooth
$1,012.14 -
Meritor M10KIT4007 Helical Gear
$184.62 -
Meritor M10B416801 Gear Set 4.11
$298.46 -
Meritor M12-513386 Gear Set 3.08
$298.46 -
Meritor M10-B416781 Gear Set 3.90
$305.45 -
Meritor B400245 Gear Set
$1,970.14 -
TTC 2605922 Insert, Gear Shift Fork
$1.36
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