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
-
Marmon-Herrington 143-341-0700 Pinion Gear
$313.89Call 800-621-3914 to order -
AxleTech E88350002 Planetary Gear
$307.74Call 800-621-3914 to order -
TTC 97-8-184 Gear
$764.34Call 800-621-3914 to order -
Fuller EADT9302623617 Gear -31 T
$217.28Call 800-621-3914 to order -
Fuller 4302666 Gear
$159.59Call 800-621-3914 to order -
Fuller 4304510 Main Drive Gear
$157.07Call 800-621-3914 to order -
TTC 97-465-4 Gear Clutch Collar
$168.21Call 800-621-3914 to order -
Dana 707365X Differential & Pinion Shim
$60.01Call 800-621-3914 to order -
Meritor 3892R5660 Helical Gear
$718.14Call 800-621-3914 to order -
Dana 707475-3X Gear Set Kit – 76160
$706.94Call 800-621-3914 to order -
Dana 73382-5X Ring & Pinion Gear Set
$280.92Call 800-621-3914 to order -
Fuller 86087 Gear Speedo
$49.47Call 800-621-3914 to order -
Fuller 16953 Reverse Idler Gear
$83.46Call 800-621-3914 to order -
Fuller 235364 Mainshaft Gear 1ST
$134.01Call 800-621-3914 to order -
Fuller 4301477 Gear Mainshaft 5TH
$127.56Call 800-621-3914 to order -
Fuller 4308108 Auxiliary Drive Gear
$219.44Call 800-621-3914 to order -
Fuller 4303360 Auxiliary Drive Gear
$183.33Call 800-621-3914 to order -
Fuller 4304514 Mainshaft Drive Gear
$124.79Call 800-621-3914 to order -
TTC 98-453-1 Gear Speedometer
$142.49Call 800-621-3914 to order -
AxleTech 3892G1541 Gear Sun
$590.95Call 800-621-3914 to order -
Dana 708026-3 Drive Gear & Pinion
$1,432.84Call 800-621-3914 to order -
Dana 708015-1 Ring & Pinion Set
$448.95Call 800-621-3914 to order -
Dana 706017-3X Gear Set
$426.64Call 800-621-3914 to order -
Dana 700020-1 Gear Set Kit
$671.46Call 800-621-3914 to order -
Fuller 16463 Spacer Gear
$22.23Call 800-621-3914 to order -
Dana 10031771 Gear – Hypoid Gearset
$457.97Call 800-621-3914 to order -
Dana 134684 Gear & Bushing Assembly
$464.59Call 800-621-3914 to order -
Fabco 432-0676 Gear, 35 Tooth
$1,012.14Call 800-621-3914 to order -
Dana Spicer 216938 Output Shaft Gear N1
$274.18Call 800-621-3914 to order -
Dana Spicer 2108462 Differential Drive Pinion Gear
$132.04Call 800-621-3914 to order
Contact Us Today
Our Experts are available to answer your questions and help you with your needs.
We take pride in getting you your answers, parts, and assemblies fast.
 | 800-621-3914 |