Collection: All Gearing – Discount Parts Exchange Since 1997
Heavy-Duty Differential & Transmission Gearing
Shop our complete selection of heavy-duty gear sets for Class 6, 7, and 8 trucks. We stock differential ring & pinion sets, axle gearing kits, and transmission gears from leading OEMs like Dana Spicer, Eaton, Meritor, and Rockwell. Whether you need to rebuild, re-gear, or upgrade for torque, economy, or hauling power, these genuine and aftermarket gear sets are built to perform under the toughest conditions.
Gearing Options
- Differential Gearing: OEM ring & pinion sets, matched gear pairs, spider and side gears for popular models including Dana S135, S150, DS/RS404, and Meritor 145/160 series.
- Transmission Gears: Mainshaft, countershaft, splitter, and auxiliary gears for Eaton Fuller transmissions and more.
- Condition Choices: New Old Stock (NOS), verified take-out assemblies, and premium aftermarket gearing.
Why Choose Our Gear Sets
- Application-specific expertise: Ratio recommendations for engine, tire size, and duty cycle.
- Quality assurance: Each gear inspected for wear, tooth pattern, and OEM compatibility.
- Fast shipping: U.S. warehouse in Mansfield, Ohio — international shipping available.
Fitment Help
Not sure which gearset fits your axle or transmission? Provide us your axle tag, BOM, or transmission model number — we’ll confirm the correct ratio and part number before shipping. Call 419-522-3320 for expert support.
Heavy-Duty Solutions — Built to Keep Your Drivetrain Moving.
Built to Perform. Trusted to Last.
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Vendor:truckparts4u.com360KG105-XU Gearset | Used Dana S135/S150 | 3.91 Ratio
360KG105X Dana Gearset | S135 S150 G360CA | 3.91 Ratio | 1697153C91 | Used Ring & Pinion The...Regular price $1,147.74 USDSale price $1,147.74 USD Regular priceUnit price per -
Vendor:Eaton / Dana Heavy Axle360KG104-X Gear Set | Genuine OEM Dana S135/S150 3.73 Ratio
360KG104X Dana Gearset | S135 S150 G360CA | 3.73 Ratio | 1695921C91 | New Genuine The 360KG104X is...Regular price $1,347.74 USDSale price $1,347.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com360KG102-X Gearset | Dana S135/S150 | 3.38 Ratio | New Genuine
360KG102X Dana Gearset | S135 S150 G360CA | 3.38 Ratio | 1697150C91 | New Genuine The 360KG102X is...Regular price $1,347.74 USDSale price $1,347.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com3235Z884 Meritor-Rockwell-Axletech Flange F106 STD Ratio | New Take-Off Genuine
3235Z884 Flange | Meritor Rockwell AxleTech F106 Axle | New Take-Off Genuine The 3235Z884 flange is a New...Regular price $316.57 USDSale price $316.57 USD Regular priceUnit price perSold out -
Vendor:truckparts4u.com3235P1134 Meritor-Rockwell-Axletech Flange | F106 Fast Ratio | Genuine OEM
3235P1134 Meritor-Rockwell-Axletech Flange – F106 Fast Ratios 4.63–4.88 | Genuine OEM Product Summary:Genuine Meritor-Rockwell-Axletech flange, part number 3235P1134,...Regular price $416.74 USDSale price $416.74 USD Regular priceUnit price perSold out -
Vendor:truckparts4u.com3226G1203 Meritor-Rockwell-Axletech Casting 3226F1202 | Genuine OEM New Take-Off
3226G1203 Meritor-Rockwell-Axletech Casting 3226F1202 – Genuine OEM New Take-Off Product Summary:Genuine Meritor-Rockwell-Axletech component, part number 3226G1203. This new...Regular price $374.47 USDSale price $374.47 USD Regular priceUnit price per -
Vendor:truckparts4u.com28628-1X Gearset | Genuine Dana D28628X, Meritor/AxleTech, 9/41 R4.56
28628X Gearset | 4.56 Ratio | Dana Spicer Rockwell AxleTech | New Off-Highway The 28628X / D28628X is...Regular price $774.47 USDSale price $774.47 USD Regular priceUnit price per -
Vendor:truckparts4u.com27717-X | Dana Loaded Differential Case | Dana 70-B | 1.500"-23 Spline A-Gears | New OE
27717-X Dana Spicer Loaded Differential Case — Dana 70-B | 1.500"–23 Spline A-Gears | 2-Pin Case | 4.56...Regular price $374.47 USDSale price $374.47 USD Regular priceUnit price per -
Vendor:truckparts4u.com2234V828 Meritor Rockwell Axle Gears SFDD4640 50 Spline | Genuine OEM
2234V828 Meritor Rockwell Axle Gears SFDD4640 50 Spline – Genuine OEM Product Summary:Genuine Meritor Rockwell Axle Tech axle...Regular price $1,247.74 USDSale price $1,247.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com2234V464 Meritor-Rockwell-AxleTech Axle Gears | 16 Spline | New Genuine
2234V464 Meritor / Rockwell / AxleTech Axle Gear – 16 Spline – New Genuine The 2234V464 axle gear...Regular price $147.74 USDSale price $147.74 USD Regular priceUnit price per -
Vendor:truckparts4u.com2234T358 Meritor-Rockwell-AxleTech R-170 24 Spline Axle Gears | New Genuine
2234T358 Meritor / Rockwell / AxleTech R170/S170 Axle Gear – 24 Spline – New Genuine The 2234T358 axle...Regular price $157.74 USDSale price $157.74 USD Regular priceUnit price per$247.44 USDSale -
Vendor:truckparts4u.com2234Q511 Meritor-Rockwell-AxleTech Axle Gears | 20 Spline | New Genuine
2234Q511 Meritor / Rockwell / AxleTech Axle Gear – 20 Spline – New Genuine The 2234Q511 axle gear...Regular price $271.47 USDSale price $271.47 USD Regular priceUnit price perSold out
Your #1 Source for Remanufactured Transmissions, Differentials, Transfer Cases & PTOs — Since 1997
Trusted by Fleets & Technicians for Over 25 Years
Discount Parts Exchange delivers quality, reliability, and value in every drivetrain component. Backed by decades of hands-on experience, our heavy-duty solutions are built to keep your truck running.