The Eaton Differential wholesale warehouse, all models and all ratios are in stock and ready to install. We stock thousands of truck differentials as well as new and used rear ends, axle repair parts and supplies.

Gear and Differentiel is the discount outlet for truck driveline, differential components and parts. We stock Eaton differentials for Freightliner, Kenworth, Peterbilt, Mack, International, Sterling, Western Star, Volvo, Ford, GMC, Dodge and many more.

We also rebuild any make or model of truck differential. If you need assistance identifying your model or the parts you need give us a call. We will be happy to help.

We also stock all the parts you will need to rebuild or repair any Eaton differential model including genuine OEM and aftermarket ring & pinion sets, crown wheel and pinion, power dividers, spider gears, cases, gaskets & seal kits, axle shafts, bearing kits etc and we can deliver them to you fast, overnight if needed. We recommend you use genuine Eaton parts to rebuild or repair your differential for longer life that only comes with genuine Eaton repair parts, but, when price is a factor we do offer aftermarket parts.

New, used and rebuilt Eaton differential models in stock now: DS344, RS344, DS402, RS,402, DS404, RS404(P), DS405, RS405(P), DS454, RS454(P), DD404, RD404, DD405, RD405, DD454, RD454, DDT40(P), DDT41(P), DA344, RA344, DA404, RA404(P), DA405, RA405(P), DSP40, RSP40, DSP41, RSP41, DSH40, RSH40, DSH44, RSH44, DDH40, RDH40, DDH44, RDH44, DST40(P), RST40, DST41(P), RST41, S110, S110LS, 17401, 17421, 21421, 22421, DC381 (P), DC401-P, 111027, 111028, 118291, DC402(P), DC451-P, 23105C, 26105C, 30105C, 113972, 113971, 121704, 23421, 26421, 23085, DC460-P, DC480-P, 82446, 82445, 211361, DC461-P, DC521-P, 82446, 084827, 15040S, 19050S, 19055S, 21065S, 22065S, 19055D, 19060D, 21060D, 21065D, 21080D, 22060D, 22065D, 23070D, 23080D, 23085D, 23105D, 26080D, 15040T-P, 19050T-P, 19055T-P, 21065T-P, 22065T, DS341, DS402(P), DS451-P, DS381(P), DS401-P, DS340, DS380(P), DS400-P, 34DS, 38DS, RS341, 402(P), 451-P, 381(P), 401-P, 340, 380(P), 400-P, 34PS, 38PS, DS344, DS404, DS454, RS344, RS404, RS-454, DS461-P, DS521-P, DS581, RS461, RS521, RS581, DT340, DP340, DT341, DP341, DT380, DP380(P), DT381, DP381(P), DT400, DP400-P, DT401, DP401-P, DT, DP402(P), DT, DP451-P, 34DT, DP, 38DT, DP, RT341, RP341, RT381, RP381(P), RT402, RP402(P), RT401, RP401-P, RT451, RP451-P, RT340, RP340, RT380, RP380(P), RT400, RP400-P, 34RT, 34RP, 38RT, 38RP, S17-140, S19-140, T69-170HP, T78-190P, T78-590P.

RMost models are available in the following ratios: 2.64, 3.07, 3.08, 3.21, 3.25, 3.31, 3.36, 3.55, 3.42, 3.58, 3.70, 3.73, 3.90, 3.91, 410, 4.11, 4.30, 4.33, 4.56, 4.63, 4.75, 4.78, 4.88, 4.99, 5.13, 5.19, 5.25, 5.29, 5.38, 5.43, 5.44, 5.57, 5.70, 5.86, 5.98, 6.14, 6.34, 6.50, 6.65, 6.83, 7.17, 7.30, 7.48, 7.75, 8.55, 9.51, 9.97, 10.90.

When you need to replace the Eaton differential or differentials in your truck a rebuilt exchange differential is a fast and cost effective option to get you back on the road fast. We also can assist in changing the ratio of your truck for greater fuel mileage or better pulling power no matter what kind of job you do. We will take your old Eaton differential or differentials as exchange units no matter what ratio they are and we pay for the return shipping on the cores.