Gear

Engine gears for heavy duty diesel trucks

Discover our complete range of engine gears for heavy duty trucks. These heavy duty engine parts ensure reliable motion transfer and precise synchronization between internal components. With stable operation and wear resistance under continuous load they support consistent performance for fleet maintenance. Classified as replacement engine parts they deliver exact fit and proven durability in severe duty. Compatible with Mack Volvo Caterpillar Detroit Diesel Freightliner Paccar and Cummins engines. Get yours today for dependable performance.
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Eaton 122339 Differential Gear Set PAI 90870

Eaton 122339 Differential Gear Set PAI 90870

$1,335.77 USD
CROSS REFERENCE: 122339 APPLICATION: Differential Eaton DD/DS/461/521/581/601 DETAILS: Gear Set Single Reduction Ratio: 5.43 Ring Gear: 38 Teeth Pinion Gear: 2.100in Spline Diameter x 41 Spline Teeth x 7 Teeth...
Eaton 121891 Differential Gear Set PAI 91010

Eaton 121891 Differential Gear Set PAI 91010

$1,270.00 USD
CROSS REFERENCE: 121891 APPLICATION: Differential Eaton RD/RS/461/521/581/601 DETAILS: Gear Set Single Reduction Ratio: 4.88 Ring Gear: 39 Teeth Pinion Gear: 2.100in Spline Diameter x 41 Spline Teeth x 8 Teeth...
Eaton 122338 Differential Gear Set PAI 90840

Eaton 122338 Differential Gear Set PAI 90840

$1,189.00 USD
CROSS REFERENCE: 122338 2719-122338 APPLICATION: Differential Eaton DD/DS/461/521/581/601 DETAILS: Gear Set Single Reduction Ratio: 4.88 Ring Gear: 18.00in O.D. x 9.38in I.D. x 39 Teeth Pinion Gear: 2.10in Spline Diameter...
Eaton 121890 Differential Gear Set PAI 90970

Eaton 121890 Differential Gear Set PAI 90970

$1,143.00 USD
CROSS REFERENCE: 121890 APPLICATION: Differential Eaton RD/RS/461/521/581/601 DETAILS: Gear Set Single Reduction Ratio: 4.56 Ring Gear: 18.13in O.D. x 9.36in I.D. x 41 Teeth Pinion Gear: 2.10in Spline Diameter x...
Eaton 121889 Differential Gear Set PAI 90940

Eaton 121889 Differential Gear Set PAI 90940

$1,165.00 USD
CROSS REFERENCE: 121889 SP121889Β  APPLICATION: Differential Eaton RD/RD/461/521/581/601 DETAILS: Gear Set Single Reduction Ratio: 4.33 Ring Gear: 39 Teeth Pinion Gear: 2.100in Spline Diameter x 41 Spline Teeth x 9...
Eaton 122336 Differential Gear Set PAI 90750

Eaton 122336 Differential Gear Set PAI 90750

$804.54 USD
CROSS REFERENCE: 122336 2719-122336 APPLICATION: Differential Eaton DD/DS/461/521/581/601 DETAILS: Gear Set Single Reduction Ratio: 4.33 Β Ring Gear: 18.00in O.D. x 9.38in I.D. x 39 Teeth Pinion Gear: 2.09in Spline Diameter...
Eaton 121888 Differential Gear Set PAI 93540

Eaton 121888 Differential Gear Set PAI 93540

$699.12 USD
CROSS REFERENCE: 121888 2719-121888 APPLICATION: Differential Eaton RD/RS/461/521/581/601 DETAILS: Gear Set Single Reduction Ratio: 4.11 Ring Gear: 17.75in O.D. x 9.38in I.D. x 37 Teeth Pinion Gear: 2.09in Spline O.D....
Eaton 122335 Differential Gear Set PAI 93640

Eaton 122335 Differential Gear Set PAI 93640

$596.68 USD
CROSS REFERENCE: 122335 APPLICATION: Differential Eaton DD/DS/461/521/581/601 DETAILS: Gear Set Ratio: 4.11 Ring Gear: 18.00in O.D. x 9.38in I.D. x 37 Teeth Pinion Gear: 2.10in Spline Diameter x 41 Spline...
Eaton 121887 Differential Gear Set PAI 90910

Eaton 121887 Differential Gear Set PAI 90910

$1,542.00 USD
CROSS REFERENCE: 121887 APPLICATION: Ddifferential Eaton RD/RS/461/521/581/601 DETAILS: Gear Set Single Reduction Ratio: 3.70 Ring Gear: 37 Teeth Pinion Gear: 2.100in Spline Diameter x 41 Spline Teeth x 10 Teeth...
Eaton 211486 Differential Gear Set PAI 90430

Eaton 211486 Differential Gear Set PAI 90430

$301.16 USD
CROSS REFERENCE: 211486 2719-211486 APPLICATION: Β Eaton RS/RA/RD 344/404/405/454 Drivetrain Differential Application DETAILS: Ring Gear: 37 Teeth / Pinion Gear: 1.95in Spline O.D x 39 Spline Teeth x 9 Teeth /...
Eaton 513367 Differential Gear Set PAI 920138

Eaton 513367 Differential Gear Set PAI 920138

$807.32 USD
CROSS REFERENCE: 513367 ETN513367 2719-513367 ETN513367 APPLICATION: Eaton RS/RA/RD 344/404/405/454 Rear Axle Differential Application DETAILS:Β Gear set Ratio: 4.11 1.95in x 37 spline BRAND: PAI 920138Β  Eaton 513367 Differential Gear Set...
Eaton 211483 Differential Gear Set PAI 90290

Eaton 211483 Differential Gear Set PAI 90290

$381.36 USD
CROSS REFERENCE: 2719-513370 513370 2719-211483 211483 APPLICATION: Differential Eaton RS/RA/RD 344/405/454 DETAILS: Ring Gear: 15.12in O.D x 8.25in I.D x 39 Teeth / Pinion Gear: 1.99in Spline O.D x 39...