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Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.

Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.

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Cummins KTA, QSK, and QSV Lubrication System Components

We carry a wide selection of lubrication system components, including oil coolers, piston cooling nozzles, and oil filters for Cummins KTA, QSK, and QSV series diesel engines.

If you need any help finding a part, please use our quote request form or call us at 888.687.0539: our knowledgeable inside sales staff will gladly assist you.

3044464

PISTON COOLING NOZZLE - KTA38 / QSK38 / QSK50

Genuine Cummins Part

$75.01

3179664

PISTON COOLING VALVE - KTA38 / QSK38 / KTA50 / QSK50

Genuine Cummins Part

$856.64

4099041

PISTON COOLING NOZZLE - KTA38 / QSK38 / QSK50

Genuine Cummins Part

$863.30

6319705

OIL PUMP - QSK60 / QSK78 / QSK95

Genuine Cummins Part

$25,119.37

6319710

OIL PUMP - QSK60 / QSK95

Genuine Cummins Part

$12,063.09

6319711

OIL PUMP - QSK45

Genuine Cummins Part

$13,367.13

DS-3007517

PISTON COOLING NOZZLE - KTA19 / QSK19

$14.56

DS-3047549

OIL PUMP - KT19 / KTA19 / QSK19

$793.77

DS-3065792

OIL COOLER GASKET - KTA19 / QSK19

$33.96

DS-3634640

OIL PUMP - KTA38 / QSK38

$4,677.96

DS-3635074

OIL COOLER CORE - KTA38 / QSK38 / QSK50

$749.50

DS-3804935

OIL COOLER KIT - K19 / KTA19 / QSK19

$396.19

888.687.0539 (U.S.)|225.706.4858 (Int.)

Monday-Friday 7am-5pm CST
8784 S. Choctaw Dr. Baton Rouge, LA 70815
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Caterpillar® and all of the Caterpillar® engine models listed on this website are registered trademarks of Caterpillar, Inc. Cummins® and all of the Cummins® engine models listed on this website are registered trademarks of Cummins. Detroit Diesel® and all of the Detroit Diesel® engine models listed on this website are registered trademarks of Daimler AG. John Deere® and all of the John Deere® engine models listed on this website are registered trademarks of John Deere. Allison Transmission® and all of their transmission models listed on this website are registered trademarks of Allison Transmission®. Diesel Parts Direct is not an authorized dealer for Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission. None of the parts beginning with "DS" or "R" are genuine Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission items.

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