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Our offices are closed for Thanksgiving. Orders placed online will be processed on Monday 12/1/2025.

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Parts for Cummins ISX and QSX Engines

Cummins ISX and QSX Parts

We carry a wide selection of parts including alternators and thermostats for Cummins ISX and QSX 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 promptly assist you.

2892289

BENCH CALIBRATION HARNESS - ISB6.7 / ISX15

Genuine Cummins Part

$244.39

3084879
Hassle-Free Return Item

THERMOSTAT SEAL - ISX / QSX

Genuine Cummins Part

$35.72

3162993

FRONT CRANKSHAFT SEAL REMOVER TOOL - ISX

Genuine Cummins Part

$1,035.10

3164001

FUEL INJECTOR LEAK TEST KIT - ISX

Genuine Cummins Part

$558.41

3691476

BREATHER ELEMENT - ISX1 / QSX11.9 / QSX15 / QSZ13 / ISZ13 (CRANKCASE)

Genuine Cummins Part

$179.78

4318947

THERMOSTAT - ISX / QSX (180degF / 82degC)

Genuine Cummins Part

$119.29

4918413

BANJO CONNECTOR SCREW - ISX

Genuine Cummins Part

$49.88

4919546

FUEL SYSTEM LEAK TESTER - ISX15

Genuine Cummins Part

$188.80

5299721

FUEL PUMP TEST KIT - ISX15 / QSX15

Genuine Cummins Part

$898.60

DS-3032787

O-RING SEAL - ISX15 / QSX11.9 / QSX15

$1.34

DS-3067979

CLAMP - ISB / ISX / QSX / ISC / QSC

$40.23

DS-3687058

PISTON COOLING NOZZLE - ISX / QSX

$17.33

DS-3770742

AIR CONTROL VALVE - ISM / QSM / ISX / QSX / M11

$2,449.05

DS-3896337

V-BAND CLAMP - L10

$55.21

DS-3922794
Hassle-Free Return Item

O-RING - ISC / QSM / M11 / KTA38/QSK38

$0.59

DS-4101884

VIBRATION DAMPER - ISX / QSX / ISB / QSB / B SERIES

$734.44

DS-4309398NX

EGR COOLER - ISX / QSX (EXCHANGE)

$2,692.90

DS-4318947
Hassle-Free Return Item

THERMOSTAT - ISX / QSX (180degF / 82degC)

$43.17

DS-4965698

HEXAGON FLANGE HEAD CAP SCREW - QSM11 / ISM / L10 / ISX

$7.53

DS-70624
Hassle-Free Return Item

O-RING - KTA19 / VT903

$0.99

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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