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Parts for Cummins ISB and QSB Engines

Cummins ISB and QSB Parts

We carry a wide selection of parts including alternators, starters, hoses, and fans for Cummins ISB and QSB diesel engines.

If you need any help finding a part, please use our quote request form or call us at 855.470.3525: our knowledgeable inside sales staff will promptly assist you.


MALE ADAPTER ELBOW - ISB / KTA19 / QSK19

Genuine Cummins Part

$49.29

ELBOW HOSE - ISB

Genuine Cummins Part

$71.47

RESTRICTION INDICATOR - ISB / NH220 / NH250 / NT855

Genuine Cummins Part

$133.26

ELBOW HOSE - ISB

Genuine Cummins Part

$56.40

BENCH CALIBRATION HARNESS - ISB6.7 / ISX15

Genuine Cummins Part

$232.74

FUEL SYSTEM LEAK TESTER - ISB

Genuine Cummins Part

$175.05

PUSH ROD COVER GASKET - ISB

Genuine Cummins Part

$43.66

PLAIN HOSE - 4BT / 6BT

Genuine Cummins Part

$53.54

VIBRATION ISOLATOR - ISB / QSB

Genuine Cummins Part

$394.59

FUEL INJECTOR PRELOAD TORQUE WRENCH - KTA19 / QSK19 / ISB / 4BT 3.9

Genuine Cummins Part

$200.48

VIBRATION ISOLATOR - ISB / QSB / ISC / QSC

Genuine Cummins Part

$18.13

UNLOADING VALVE BODY - ISB / ISM / QSM / ISC / QSC / L10

Genuine Cummins Part

$291.02

EXHAUST CLAMP - ISB

Genuine Cummins Part

$72.14

TURBO MOUNTING STUD NUT - ISB240 / 6B5.9 / ISB / ISC350

Genuine Cummins Part

$5.49

MOLDED HOSE - ISB / ISC / QSC

Genuine Cummins Part

$47.04

PLAIN HOSE - 4BT / 6BT

Genuine Cummins Part

$25.36

FLEXIBLE HOSE - ISB / ISC / QSC

Genuine Cummins Part

$226.30

FLEXIBLE HOSE - 6B5.9

Genuine Cummins Part

$214.96

FLEXIBLE HOSE - ISB

Genuine Cummins Part

$74.70

FLEXIBLE HOSE - ISB

Genuine Cummins Part

$198.25

PLAIN HOSE - ISB / ISC / QSC

Genuine Cummins Part

$95.50

FLYWHEEL RING GEAR - 4B 3.9 / B 4.5 / 6B 5.9 / ISB 6.7

Genuine Cummins Part

$277.25

RECTANGULAR RING SEAL - ISB3.9 / ISB4.5 / ISB5.9G / QSB3.9 / QSB4.5

Genuine Cummins Part

$7.93

OIL SUCTION CONNECTION - 4BT / 6BT / ISB / QSB

Genuine Cummins Part

$349.92

ANGLE DRIVE ADAPTER - B SERIES / ISB

Genuine Cummins Part

$500.65

FILLER CAP - ISB / QSB (EXPANSION TANK)

Genuine Cummins Part

$54.79

OIL PAN - 4B3.9 / 6B5.9 / B4.5 / B6.7 / ISB6.7 / QSB4.5 (STAMPED STEEL)

Genuine Cummins Part

$350.29

FAN SUPPORT - ISB3.9 / ISB4.5 / ISB6.7 / QSB3.9

Genuine Cummins Part

$811.13

HEAT EXCHANGER GASKET - 4BT3.9 / 6BT / B4.5 / B5.9 / ISB3.9 / ISB4.5 / QSB3.9

Genuine Cummins Part

$22.50

HEAT EXCHANGER COVER - ISB

Genuine Cummins Part

$85.84

EXHAUST OUTLET TUBE - 4BT3.9 / 6BT5.9 / ISB3.9 / QSB3.9 / QSB4.5

Genuine Cummins Part

$234.32

ENGINE FAN - 4BT / 6BT / ISB 6.7L / 6CTA 8.3L

BLOWER TYPE, 18" DIAMETER, 7 BLADES, PLASTIC
Genuine Cummins Part

$514.76

ENGINE HEATER - 4B3.9 / B4.5 / B5.9 / B6.7 / ISB6.7 / QSB

Genuine Cummins Part

$2,529.83

ENGINE FAN - 4BT / 6BT / ISB 6.7L (SUCKER TYPE, 20" DIAMETER, 10 BLADES, PLASTIC)

Genuine Cummins Part

$610.86

ENGINE FAN - 4BT / 6BT / 6CTA 8.3L / ISB 6.7L

SUCKER TYPE, 21" DIAMETER, 10 BLADES, PLASTIC
Genuine Cummins Part

$584.63

ELBOW HOSE - ISB

Genuine Cummins Part

$62.96

ENGINE FAN - 4BT / 6BT / ISB 6.7L (SUCKER TYPE, 22" DIAMETER, 6 BLADES, METAL)

Genuine Cummins Part

$645.13

FAN PULLEY - B Series / ISB / QSB / 6CTA / ISC / QSC

Genuine Cummins Part

$137.75

FAN PULLEY - ISB / QSB

Genuine Cummins Part

$137.17

CRANKSHAFT PULLEY - ISB / QSB / ISC / QSC

Genuine Cummins Part

$126.57

SEALING WASHER - 4BT3.9 / 6BT5.9 / ISB3.9 / ISB4.5 / QSB3.9 / QSB4.5

Genuine Cummins Part

$8.77

TEMPERATURE GAUGE - B SERIES / ISB

Genuine Cummins Part

$528.52

FLEXIBLE HOSE - 4BT / 6BT

Genuine Cummins Part

$95.62

VACUUM PUMP BRACE - ISB

Genuine Cummins Part

$99.21

ALTERNATOR BRACE - ISB / B SERIES

Genuine Cummins Part

$174.97

EXHAUST OUTLET CONNECTION GASKET - 4BT3.9 / 6BT5.9 / ISB3.9 / QSB3.9

Genuine Cummins Part

$22.87

INTAKE AIR HEATER - 4B3.9 / B4.5 / B5.9 / B6.7 / ISB6.7 / QSB

Genuine Cummins Part

$467.29

ALTERNATOR SUPPORT - 4B3.10 / 6B5.10 / ISB3.9 / ISB4.5 / QSB3.9 / QSB4.5

Genuine Cummins Part

$122.05

BELT TENSIONER BRACKET - ISB

Genuine Cummins Part

$177.10

WATER INLET CONNECTION - 4BT / 6BT / ISB / QSB

Genuine Cummins Part

$1,427.17

DIPSTICK - ISB

Genuine Cummins Part

$125.83

TURBOCHARGER OIL DRAIN CONNECTION - ISB

Genuine Cummins Part

$131.44

FLEXIBLE HOSE - ISB / QSB

Genuine Cummins Part

$111.59

ELBOW HOSE - ISB

Genuine Cummins Part

$51.80

COVER PLATE GASKET - 4BT3.9 / 6BT / ISB3.9 / ISB4.5 / QSB3.9 / QSB4.5

Genuine Cummins Part

$7.23

PISTON PIN - NH220 / NH250 / NT855 / ISB / QSB / ISB

Genuine Cummins Part

$64.49

WATER INLET CONNECTION - 4BT / 6BT / ISB / QSB

Genuine Cummins Part

$86.90

SPEED INDICATOR RING - 4B3.9 / 6B5.9 / ISB6.7 / QSB5.9

Genuine Cummins Part

$134.37

EXHAUST MANIFOLD BOLT - ISB / ISC / 6B5.9

Genuine Cummins Part

$6.69

MOUNTING SPACER - ISC350 / ISL400 / ISLG320 / QSB6.7 / ISC330 / ISB / B5.9-A200

Genuine Cummins Part

$11.05

ZINC ELECTRODE PLUG - ISM / QSM / ISB / QSB / ISB

Genuine Cummins Part

$57.25

SEALING WASHER - 4BT3.9 / 6BT5.9 / ISB3.9 / ISB4.5 / QSB3.9 / QSB4.5

Genuine Cummins Part

$6.93

STARTER - 4B3.9 / B4.5 / B6.7 / ISB6.7 / QSB4.5 / QSB5.9 (12 V)

Genuine Cummins Part

$934.73

VIBRATION ISOLATOR - ISB / QSB / ISC / QSC

Genuine Cummins Part

$501.52

WIRING HARNESS - ISB

Genuine Cummins Part

$510.19

WIRING HARNESS - ISB

Genuine Cummins Part

$984.46

WIRING HARNESS - ISB

Genuine Cummins Part

$130.25

SPEED INDICATOR RING - 4B3.9 / 6B5.9 / 6C8.3 / ISC8.3 / QSC8.3 / QSB5.9

Genuine Cummins Part

$124.37

FUEL SUPPLY TUBE - 4B3.9 / ISB / QSB3.9 / QSB4.5

Genuine Cummins Part

$138.42

FLYWHEEL RING GEAR - 4B3.9 / 6B5.9 / B4.5 / B5.9 / B6.7 / ISB6.7

Genuine Cummins Part

$290.52

IDLER PULLEY - ISB / QSB

Genuine Cummins Part

$213.05

FLEXIBLE HOSE - ISB

Genuine Cummins Part

$107.14

MOLDED HOSE - ISB

Genuine Cummins Part

$59.50

FLEXIBLE HOSE - ISB

Genuine Cummins Part

$361.82

STATOR REPAIR KIT - 4B3.9 / B4.5 / B5.9 / B6.7 / ISB6.7 / QSB

Genuine Cummins Part

$178.52

VACUUM PUMP REPAIR KIT - 4B3.9 / 6B5.9 / ISB / ISD

Genuine Cummins Part

$31.30

AIR CLEANER ELEMENT - ISB

Genuine Cummins Part

$737.98

CRANKCASE BREATHER COVER - ISB

Genuine Cummins Part

$296.40

ROCKER LEVER HOUSING - ISB

Genuine Cummins Part

$310.74

IDLER PULLEY - ISB / QSB / ISC / QSC

Genuine Cummins Part

$251.59

O-RING SEAL - ISB3.9 / ISB4.5 / ISB5.9G / ISB6.7 / QSB3.9 / QSB4.5

Genuine Cummins Part

$3.08

ALTERNATOR PULLEY - ISB / QSB / ISC / QSC

Genuine Cummins Part

$183.43

FAN PULLEY - ISB / QSB / ISC / QSC

Genuine Cummins Part

$140.09

ALTERNATOR - B SERIES / ISB

Genuine Cummins Part

$1,107.37

ALTERNATOR - ISB

Genuine Cummins Part

$772.97

DOSER PUMP TESTER - ISB / QSB

Genuine Cummins Part

$357.50

ALTERNATOR - ISB

Genuine Cummins Part

$893.12

AFTERCOOLER - ISB / B SERIES

$7,133.68

V-BAND CLAMP - ISB / ISC / QSC

Genuine Cummins Part

$87.00

DIAGNOSTIC FUEL LINE - ISB

Genuine Cummins Part

$498.33

PLAIN HOSE - ISB

Genuine Cummins Part

$31.06

CRANKCASE VENTILATION FILTER KIT - ISB

$171.81

UNLOADER VALVE CAP - ISB / ISC / QSC

$36.94

CLAMP - ISB / ISX / QSX / ISC / QSC

$36.56

V-BAND CLAMP - ISB / ISC / QSC

$30.33

PUSH ROD COVER GASKET - 4B3.9 / B4.5 / QSB4.5 / B3.9-C130

$11.31

ETR FUEL CONTROL ACTUATOR - ISB / NH SERIES

$684.59

TURBOCHARGER GASKET - ISB / QSB

$6.93

TURBO MOUNTING STUD - ISC350 / C8.3-C215 / B5.9 / 6C8.3 / ISB-RV275 / ISC300 / C8.3-P

$7.04

HEXAGON NUT - C8.3-C215 / B5.9-M210 / ISB-RV275 / ISC350 / C8.3-P / QSB6.7

$2.25