2011 International Paystar Cooling System Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

97 Cooling system parts are listed for the 2011 International Paystar, in 17 part types, covering all 3 engine options (10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 8.9L L6 DIESEL Turbocharged). Each one has a brand, a manufacturer part number and notes that say where it fits.

The cooling system system on the 2011 International Paystar keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. The largest groups are Water Pump (25 parts), Thermostat (18 parts) and Coolant / Antifreeze (8 parts). The other 14 part types cover the remaining 46 parts.

Coolant / Antifreeze

Economy

Brand Part Number Markets Notes Buy
VALVOLINE Popular Fits: all 2011 Paystar engines 719009
🇺🇸 US 🇨🇦 CA
Multi-Vehicle Yellow1 Gallon
View on
Amazon

Heavy Duty

Brand Part Number Markets Notes Buy
VALVOLINE Popular Fits: all 2011 Paystar engines ZXG051
🇺🇸 US 🇨🇦 CA
G05 Yellow1 Gallon
Fitment notes — VALVOLINE ZXG051
G05 Yellow1 GallonFully Formulated Heavy DutyHOAT
View on
Amazon
PEAK Fits: all 2011 Paystar engines FCA1GAL
🇺🇸 US 🇨🇦 CA
Fleet Charge1 Gallon
Fitment notes — PEAK FCA1GAL
Fleet Charge1 GallonFLEET CHARGE 1 GALLON
View on
Amazon
PEAK Fits: all 2011 Paystar engines FXA1GAL
🇺🇸 US 🇨🇦 CA
Final Charge Global1 Gallon
Fitment notes — PEAK FXA1GAL
Final Charge Global1 GallonFINAL CHARGENITRITE FREEGLOBAL EXTENDED LIFE 1 GALLON
View on
Amazon
PRESTONE Fits: all 2011 Paystar engines AFC10000
🇺🇸 US 🇨🇦 CA
Command ESi PrechargedPurple
Fitment notes — PRESTONE AFC10000
Command ESi PrechargedPurple1 Gallon
Heavy Duty Extended Service Interval SCA Pre-Charged CoolantPurple Fluid Class 6 - 8
View on
Amazon
PRESTONE Fits: all 2011 Paystar engines AFC13000
🇺🇸 US 🇨🇦 CA
Command COR-Guard Nitrite Free-Noat Extended Life CoolantRed
Fitment notes — PRESTONE AFC13000
Command COR-Guard Nitrite Free-Noat Extended Life CoolantRed1 Galloncon
Class 8 Applications
View on
Amazon
PRESTONE Fits: all 2011 Paystar engines AFC12100
🇺🇸 US 🇨🇦 CA
Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT
Fitment notes — PRESTONE AFC12100
Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT1 GAL Ready To Use 50/50
Heavy Duty & Mixed Fleet Nitrite Free Extended Life CoolantYellow Fluid Class 1 - 8
View on
Amazon
VALVOLINE Fits: all 2011 Paystar engines ZXED1
🇺🇸 US 🇨🇦 CA
HD Extended Life Red1 Gallon
View on
Amazon

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator.

Coolant Filter

Brand Part Number Markets Notes Buy
DONALDSON Fits: 14.9L L6 DIESEL Turbocharged P550867
🇺🇸 US 🇨🇦 CA
Outer Diameter: 93 mm (3.66")Length: 147 mm (5.79")
Fitment notes — DONALDSON P550867
Outer Diameter: 93 mm (3.66")Length: 147 mm (5.79")Thread Size: M36 X 2Coolant filter, Spin-On Non-chemical
5600i
View on
Amazon
DONALDSON Fits: 14.9L L6 DIESEL Turbocharged P550866
🇺🇸 US 🇨🇦 CA
Coolant filter, spin-On SCA plus
Fitment notes — DONALDSON P550866
Coolant filter, spin-On SCA plus
5600i
View on
Amazon
HASTINGS / BALDWIN Fits: 10.8L L6 DIESEL Turbocharged WC16
🇺🇸 US 🇨🇦 CA
View on
Amazon
HASTINGS / BALDWIN Fits: 10.8L L6 DIESEL Turbocharged B5090
🇺🇸 US
5900i
View on
Amazon
WIX Fits: 14.9L L6 DIESEL Turbocharged 24113
🇺🇸 US
Coolant Spin-On Filter
Fitment notes — WIX 24113
Coolant Spin-On Filter
without Chemical Additive
View on
Amazon
WIX Fits: 14.9L L6 DIESEL Turbocharged 24112
🇺🇸 US
Coolant Spin-On Filter
Fitment notes — WIX 24112
Coolant Spin-On Filter
with Chemical Additive
View on
Amazon

This table covers the Coolant filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.

Coolant Level Sensor

Brand Part Number Markets Notes Buy
GPD Fits: 8.9L L6 DIESEL Turbocharged 1816611
🇺🇸 US
Cummins ISL 8.9
View on
Amazon

This table covers the Coolant Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.

Coolant Reservoir

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2011 Paystar engines 6035103
🇺🇸 US 🇨🇦 CA
OE FIX
Fitment notes — DORMAN 6035103
OE FIX
5500i or 5600iwith 1 Port
with 1 Port
View on
Amazon
GPD Fits: all 2011 Paystar engines 2421002
🇺🇸 US 🇨🇦 CA
5500i or 5600iwith 1 Ports
Fitment notes — GPD 2421002
5500i or 5600iwith 1 Ports
with 1 Ports
View on
Amazon
GPD Fits: 10.8L L6 DIESEL Turbocharged 2421030
🇺🇸 US
5900iwith Original Equipment (OE) # 2592723C91
View on
Amazon
SKP Fits: all 2011 Paystar engines SK6035103
🇺🇸 US 🇨🇦 CA
Fits 5500i or 5600iwith 1 Portor 5600i
Fitment notes — SKP SK6035103
Fits:
5500i or 5600iwith 1 Portor 5600iwith 1 PortEngine Designation Maxx Force 11
5600iwith 1 PortEngine Designation Maxx Force 11
View on
Amazon

This table covers the overflow / expansion tanks that hold extra coolant.

Coolant Reservoir Cap

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2011 Paystar engines 9025102
🇺🇸 US 🇨🇦 CA
5600i or 5900iwith 15 Lb. Cap
Fitment notes — DORMAN 9025102
5600i or 5900iwith 15 Lb. Cap
5600iwith 15 Lb. Cap
View on
Amazon
GATES Fits: 10.8L L6 DIESEL Turbocharged 31405
🇺🇸 US 🇨🇦 CA
OE Type
Fitment notes — GATES 31405
OE Type
5500i15 psi Pressure Rating
View on
Amazon
MOTORAD Fits: all 2011 Paystar engines T39
🇺🇸 US 🇨🇦 CA
Standard
Fitment notes — MOTORAD T39
Standard
Relief Pressure 15 lbs
View on
Amazon
STANT Fits: 10.8L L6 DIESEL Turbocharged 10270
🇺🇸 US
OE Type Radiator Cap
Fitment notes — STANT 10270
OE Type Radiator Cap
10 psi Pressure Rating
View on
Amazon

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.

Cooling System Tester Adapter

Brand Part Number Markets Notes Buy
GATES Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 31379
🇺🇸 US 🇨🇦 CA
Cooling System PressureRadiator Cap
View on
Amazon
GATES Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 31410
🇺🇸 US 🇨🇦 CA
Cooling System Pressure
View on
Amazon

This table covers the adapters used to pressure-test this cooling system.

Hose Clamp

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2011 Paystar engines 9044000
🇺🇸 US 🇨🇦 CA
1.75" DiameterCoolant
View on
Amazon

This table covers the Hose clamps.

Intercooler

Brand Part Number Markets Notes Buy
SPECTRA PREMIUM Popular Fits: all 2011 Paystar engines 44013530
🇺🇸 US 🇨🇦 CA
5500i or 5600iwith 25.375 IN X 18.375 IN X 4.25 IN Core
Fitment notes — SPECTRA PREMIUM 44013530
5500i or 5600iwith 25.375 IN X 18.375 IN X 4.25 IN Corewith 4 IN Inletwith 4 IN Outlets
with 25.375 IN X 18.375 IN X 4.25 IN Corewith 4 IN Inletwith 4 IN Outlets
5600iwith 25.375 IN X 18.375 IN X 4.25 IN Corewith 4 IN Inletwith 4 IN Outlets
View on
Amazon
SPECTRA PREMIUM Popular Fits: all 2011 Paystar engines 44013523
🇺🇸 US 🇨🇦 CA
5600iwith 29.3125 IN X 19.4375 IN X 4.3125 IN Core
Fitment notes — SPECTRA PREMIUM 44013523
5600iwith 29.3125 IN X 19.4375 IN X 4.3125 IN Corewith 4 IN Inletwith 4 IN Outlets
View on
Amazon
GPD Fits: all 2011 Paystar engines 2711538
🇺🇸 US 🇨🇦 CA
5600iwith 4 IN Inlet
Fitment notes — GPD 2711538
5600iwith 4 IN Inletwith 4 IN Outletswith 29.31 IN X 19.44 IN X 4.31 IN Corewith Original Equipment (OE) # 2592295C91
View on
Amazon
GPD Fits: all 2011 Paystar engines 2711613
🇺🇸 US 🇨🇦 CA
5500iwith Original Equipment (OE) # 2604440C91
Fitment notes — GPD 2711613
5500iwith Original Equipment (OE) # 2604440C91with 38-3/4 in Core Height
View on
Amazon
GPD Fits: all 2011 Paystar engines 2711614
🇺🇸 US 🇨🇦 CA
5500iwith Original Equipment (OE) # 2604439C91
View on
Amazon
GPD Fits: all 2011 Paystar engines 2711657
🇺🇸 US 🇨🇦 CA
5600iwith Original Equipment (OE) # 2592292C91
View on
Amazon

This table covers the intercoolers that cool turbo or supercharger charge air.

Intercooler Air Hose / Pipe

Brand Part Number Markets Notes Buy
CONTINENTAL Fits: 10.8L L6 DIESEL Turbocharged 57513
🇺🇸 US 🇨🇦 CA
Convoluted Charge Air
Fitment notes — CONTINENTAL 57513
Convoluted Charge Air
Fits:
Pipe to Engine (Cold Side)5600ior Pipe to Intercooler (Hot Side)5600ior Turbocharger To Intercooler (Hot Side)5600i
View on
Amazon
GATES Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 26203
🇺🇸 US 🇨🇦 CA
Turbocharger Hose (Ring-Retained)4" x 6" (110 psi)
Fitment notes — GATES 26203
Turbocharger Hose (Ring-Retained)4" x 6" (110 psi)Ring Retained
Fits:
Turbocharger to Pipe (Hot Side)5500ior Engine To Pipe (Hot Side)5600ior Intercooler to Pipe (Cold Side)5500i or 5600ior Pipe to Engine (Cold Side)5500i or 5600i
Fits:
Engine To Pipe (Hot Side)5600ior Intercooler to Pipe (Cold Side)5600i
View on
Amazon

This table covers the Intercooler Air Hose pipes.

Radiator

Economy

Brand Part Number Markets Notes Buy
GPD Fits: all 2011 Paystar engines 9282762
🇺🇸 US 🇨🇦 CA
5500i or 5900iCore 40-1/8 X 27-3/8
Fitment notes — GPD 9282762
5500i or 5900iCore 40-1/8 X 27-3/8with Original Equipment (OE) # 2591600C91
5500iCore 40-1/8 X 27-3/8with Original Equipment (OE) # 2591600C91
View on
Amazon
GPD Fits: all 2011 Paystar engines 9282763
🇺🇸 US 🇨🇦 CA
5500i or 5600iHigh Temperature
Fitment notes — GPD 9282763
5500i or 5600iHigh Temperaturewith Original Equipment (OE) # 2604438C94
High Temperaturewith Original Equipment (OE) # 2604438C94
View on
Amazon
GPD Fits: all 2011 Paystar engines 9282883
🇺🇸 US 🇨🇦 CA
5500i or 5600iLow Temperature
Fitment notes — GPD 9282883
5500i or 5600iLow Temperature3 Section Unitwith Original Equipment (OE) # 2604442C91
Low Temperature3 Section Unitwith Original Equipment (OE) # 2604442C91
View on
Amazon
GPD Fits: all 2011 Paystar engines 9282884
🇺🇸 US 🇨🇦 CA
5500i or 5600iHigh Temperature
Fitment notes — GPD 9282884
5500i or 5600iHigh TemperatureCore Height 38-1/2 Inwith Original Equipment (OE) # 2611271C92
High TemperatureCore Height 38-1/2 Inwith Original Equipment (OE) # 2611271C92
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
SPECTRA PREMIUM Popular Fits: all 2011 Paystar engines 20013561P
🇺🇸 US 🇨🇦 CA
Aluminum Core with Plastic Tanks
Fitment notes — SPECTRA PREMIUM 20013561P
Aluminum Core with Plastic Tanks
Fits:
5500i or 5600iwith 38.5 IN X 40.5 IN X 2.0625 IN Core, 2.5 IN Inlet, 2.5 IN Outlets, 7.5 IN From Left Side, 11.5 IN Oil Cooler Grille Side
or:
Front5900iwith 38.5 IN X 40.5 IN X 2.0625 IN Corewith 2.5 IN Inletwith 2.5 IN Outletswith 7.5 IN From Left Sidewith 11.5 IN Oil Cooler Grille Side
with 38.5 IN X 40.5 IN X 2.0625 IN Corewith 2.5 IN Inletwith 2.5 IN Outletswith 7.5 IN From Left Sidewith 11.5 IN Oil Cooler Grille Side
View on
Amazon
OSC Fits: 10.8L L6 DIESEL Turbocharged HD9316
🇺🇸 US
5900i
View on
Amazon

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap.

Radiator Cap

Brand Part Number Markets Notes Buy
GATES Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 31567
🇺🇸 US 🇨🇦 CA
OE Type
Fitment notes — GATES 31567
OE Type
5600i or 5900i10 psi Pressure Rating
10 psi Pressure Rating
View on
Amazon

This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.

Radiator Hose

Standard Replacement

Brand Part Number Markets Notes Buy
DAYCO Popular Fits: 10.8L L6 DIESEL Turbocharged 71812
🇺🇸 US 🇨🇦 CA
Curved or Molded Hose or Straight Hose
Fitment notes — DAYCO 71812
Curved or Molded Hose or Straight Hose
UpperPipe To Engine5500i or 5600i
View on
Amazon
GATES Popular Fits: 10.8L L6 DIESEL Turbocharged 21891
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 21891
Molded
LowerRadiator To Pipe5500i
View on
Amazon
CONTINENTAL Fits: 10.8L L6 DIESEL Turbocharged 60832
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 60832
Molded
UpperPipe To Radiator5600iCut To Fit
View on
Amazon
CONTINENTAL Fits: 10.8L L6 DIESEL Turbocharged 60957
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 60957
Molded
UpperPipe To Radiator5600i
View on
Amazon
CONTINENTAL Fits: 10.8L L6 DIESEL Turbocharged 62631
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — CONTINENTAL 62631
Molded
Fits:
LowerEngine To Pipe5600iCut To Fit
or:
LowerPipe To Radiator5600iCut To Fit
or:
UpperPipe To Engine5500i
View on
Amazon
GATES Fits: 14.9L L6 DIESEL Turbocharged 21135
🇺🇸 US 🇨🇦 CA
Molded
Fitment notes — GATES 21135
Molded
UpperEngine To Pipe5600i
View on
Amazon

Universal Hose (Straight, Bulk)

Brand Part Number Markets Notes Buy
GATES Fits: 10.8L L6 DIESEL Turbocharged 24440
🇺🇸 US 🇨🇦 CA
Straight (Heavy-Duty 4-Ply)2.5" (75 PSI)
Fitment notes — GATES 24440
Straight (Heavy-Duty 4-Ply)2.5" (75 PSI)
Fits:
UpperPipe To Engine5500iCut To Fit
or:
LowerPipe To Engine5500iCut To Fit
or:
UpperEngine To Pipe5600i
View on
Amazon
GATES Fits: 14.9L L6 DIESEL Turbocharged 24840
🇺🇸 US 🇨🇦 CA
Straight (Silicone)2.5"
Fitment notes — GATES 24840
Straight (Silicone)2.5"
LowerEngine To Pipe5600iCut To Fit
View on
Amazon

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.

Temperature Sender / Sensor

Brand Part Number Markets Notes Buy
DORMAN Fits: 10.8L L6 DIESEL Turbocharged 9047137
🇺🇸 US 🇨🇦 CA
ID No. 4088832
View on
Amazon
GPD Fits: 10.8L L6 DIESEL Turbocharged 1814588
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender.

Thermostat

Heavy Duty

Brand Part Number Markets Notes Buy
GATES Popular Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 34148
🇺🇸 US 🇨🇦 CA
Heavy-Duty
Fitment notes — GATES 34148
Heavy-Duty
5600i or 5900i180 DegreeSeal Included
180 DegreeSeal included
View on
Amazon
GATES Popular Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 34146
🇺🇸 US 🇨🇦 CA
Heavy-Duty
Fitment notes — GATES 34146
Heavy-Duty
5600i or 5900i160 DegreeSeal Included
160 DegreeSeal Included
View on
Amazon
GATES Popular Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 34149
🇺🇸 US 🇨🇦 CA
Heavy-Duty
Fitment notes — GATES 34149
Heavy-Duty
5600i or 5900i190 DegreeSeal Included
190 DegreeSeal Included
View on
Amazon
STANT Fits: 10.8L L6 DIESEL Turbocharged 15009
🇺🇸 US
Heavy-Duty Thermostat
Fitment notes — STANT 15009
Heavy-Duty Thermostat
Temperature 190 DegreeSeal Included
View on
Amazon
STANT Fits: 10.8L L6 DIESEL Turbocharged 15006
🇺🇸 US
Heavy-Duty Thermostat
Fitment notes — STANT 15006
Heavy-Duty Thermostat
Temperature 160 Degreeswith Seal Included
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
CALORSTAT Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged THS1910582
🇺🇸 US 🇨🇦 CA
PerformanceDoes Not Include Seal
Fitment notes — CALORSTAT THS1910582
PerformanceDoes Not Include Seal
180.0 F Degreeswith Narrower Main Valve
View on
Amazon
CALORSTAT Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged THS1910588
🇺🇸 US 🇨🇦 CA
Does not include seal
Fitment notes — CALORSTAT THS1910588
Does not include seal
190.0 Degreeswith Narrower Main ValveMetallic Valve Seat
View on
Amazon
MOTORAD Fits: 10.8L L6 DIESEL Turbocharged 15006
🇺🇸 US
Heavy-Duty Thermostat
Fitment notes — MOTORAD 15006
Heavy-Duty Thermostat
160 DegreeSeal Included
View on
Amazon
MOTORAD Fits: 10.8L L6 DIESEL Turbocharged 15009
🇺🇸 US
Heavy-Duty Thermostat
Fitment notes — MOTORAD 15009
Heavy-Duty Thermostat
190 DegreeSeal Included
View on
Amazon
MOTORAD Fits: 10.8L L6 DIESEL Turbocharged 15008
🇺🇸 US
Heavy-Duty Thermostat
Fitment notes — MOTORAD 15008
Heavy-Duty Thermostat
180 DegreeSeal included
View on
Amazon
MOTORAD Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 406160
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 406160
Includes Seal
160 Degrees Ffor Engine Coolant SystemOE Specified Temperature 160 Degrees
View on
Amazon
MOTORAD Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 406190
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 406190
Includes Seal
190 Degrees Ffor Engine Coolant SystemOE Specified Temperature
View on
Amazon
MOTORAD Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 407825
🇺🇸 US 🇨🇦 CA
225 Degrees Ffor Engine Oil Cooler System
Fitment notes — MOTORAD 407825
225 Degrees Ffor Engine Oil Cooler SystemOE Specified Temperature
View on
Amazon
MOTORAD Fits: 10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged 406180
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — MOTORAD 406180
Includes Seal
180 Degrees Ffor Engine Coolant SystemOE Specified Temperature
View on
Amazon
Brand Part Number Markets Notes Buy
CALORSTAT Fits: 8.9L L6 DIESEL Turbocharged THS1910582
🇺🇸 US
PerformanceDoes Not Include Seal
Fitment notes — CALORSTAT THS1910582
PerformanceDoes Not Include Seal
180.0 F Degreeswith Narrower Main Valve
View on
Amazon
CALORSTAT Fits: 8.9L L6 DIESEL Turbocharged THS1910588
🇺🇸 US
Does not include seal
Fitment notes — CALORSTAT THS1910588
Does not include seal
190.0 Degreeswith Narrower Main ValveMetallic Valve Seat
View on
Amazon
MOTORAD Fits: 8.9L L6 DIESEL Turbocharged 407160
🇺🇸 US
Includes Seal
Fitment notes — MOTORAD 407160
Includes Seal
160 Degrees FOE Specified Temperature 160 Degrees
View on
Amazon
MOTORAD Fits: 8.9L L6 DIESEL Turbocharged 407180
🇺🇸 US
Includes Seal
Fitment notes — MOTORAD 407180
Includes Seal
180 Degrees FOE Specified Temperature
View on
Amazon

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part.

Thermostat / Thermostat Housing / Water Outlet Seal

Brand Part Number Markets Notes Buy
DAYTON Fits: 14.9L L6 DIESEL Turbocharged 6745008G
🇺🇸 US 🇨🇦 CA
Housing to Cylinder Head
View on
Amazon
DAYTON Fits: 14.9L L6 DIESEL Turbocharged 6745003G
🇺🇸 US 🇨🇦 CA
Housing to Flange
View on
Amazon

This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Water Pump

Economy

Brand Part Number Markets Notes Buy
US MOTOR WORKS Popular Fits: 14.9L L6 DIESEL Turbocharged US932
🇺🇸 US 🇨🇦 CA
ISX, ISZ12 Groove Pulley Complete Unit
Fitment notes — US MOTOR WORKS US932
ISX, ISZ12 Groove Pulley Complete UnitShort Bottom Outlet
View on
Amazon
FVP Fits: 14.9L L6 DIESEL Turbocharged US932
🇺🇸 US 🇨🇦 CA
ISX, ISZ (12 Groove Pulley) Complete Unit (Short Bottom Outlet)
View on
Amazon
FVP Fits: 14.9L L6 DIESEL Turbocharged US6344
🇺🇸 US 🇨🇦 CA
ISX (12 Groove Pulley)
View on
Amazon
FVP Fits: 8.9L L6 DIESEL Turbocharged US69NX
🇺🇸 US
ISC / ISL
View on
Amazon
US MOTOR WORKS Fits: 10.8L L6 DIESEL Turbocharged US2203
🇺🇸 US 🇨🇦 CA
3 hole mount long shaft
View on
Amazon
US MOTOR WORKS Fits: 10.8L L6 DIESEL Turbocharged US2204
🇺🇸 US 🇨🇦 CA
5500i or 5600i3 Hole Mount Short Shaft
View on
Amazon
WJB / INMOTION PARTS Fits: 8.9L L6 DIESEL Turbocharged WU6661
🇺🇸 US
110MM Pulley
View on
Amazon

High Volume / Pressure

Brand Part Number Markets Notes Buy
GATES Popular Fits: 10.8L L6 DIESEL Turbocharged 45055HD
🇺🇸 US 🇨🇦 CA
Water Pump (Heavy-Duty)
Fitment notes — GATES 45055HD
Water Pump (Heavy-Duty)
5500i
View on
Amazon
GATES Popular Fits: 14.9L L6 DIESEL Turbocharged 45052HD
🇺🇸 US 🇨🇦 CA
Water Pump (Heavy-Duty)
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
DAYCO Popular Fits: 8.9L L6 DIESEL Turbocharged DP1732
🇺🇸 US
Serpentine Belt Driven
View on
Amazon
GMB Popular Fits: 10.8L L6 DIESEL Turbocharged 1962240
🇺🇸 US 🇨🇦 CA
without Threaded Hub
View on
Amazon
GMB Popular Fits: 14.9L L6 DIESEL Turbocharged 1962230
🇺🇸 US 🇨🇦 CA
without Water Pump HousingTwo-Piece Pump
View on
Amazon
GMB Popular Fits: 8.9L L6 DIESEL Turbocharged 1961100
🇺🇸 US
110MM Pulley
View on
Amazon
DAYCO Fits: 10.8L L6 DIESEL Turbocharged DP2032
🇺🇸 US 🇨🇦 CA
with Long Shaft
View on
Amazon
DAYCO Fits: 10.8L L6 DIESEL Turbocharged DP1761
🇺🇸 US 🇨🇦 CA
Heavy Duty
Fitment notes — DAYCO DP1761
Heavy Duty
with Short Shaftwithout Internally Threaded ShaftSuitcase Style Pump
View on
Amazon
DAYCO Fits: 14.9L L6 DIESEL Turbocharged DP2062
🇺🇸 US 🇨🇦 CA
with 12 Groove Pulleywith 2 Piece Assembly
View on
Amazon
GMB Fits: 14.9L L6 DIESEL Turbocharged 1962230AH
🇺🇸 US 🇨🇦 CA
Two-Piece Pumpwith Water Pump Housing
View on
Amazon
GMB Fits: 14.9L L6 DIESEL Turbocharged 1961020
🇺🇸 US 🇨🇦 CA
One-Piece Pump
View on
Amazon
Brand Part Number Markets Notes Buy
DAYTON Fits: 8.9L L6 DIESEL Turbocharged 9024008
🇺🇸 US
View on
Amazon
FVP Fits: 8.9L L6 DIESEL Turbocharged 1961100
🇺🇸 US
110MM Pulley
View on
Amazon
US MOTOR WORKS Fits: 14.9L L6 DIESEL Turbocharged US93
🇺🇸 US 🇨🇦 CA
ISX, ISZ12 Groove Pulley Pump Only
View on
Amazon
US MOTOR WORKS Fits: 14.9L L6 DIESEL Turbocharged US6151
🇺🇸 US 🇨🇦 CA
ISX10 Groove Pulley
View on
Amazon
US MOTOR WORKS Fits: 14.9L L6 DIESEL Turbocharged US6344
🇺🇸 US 🇨🇦 CA
ISX12 Groove Pulley
View on
Amazon
US MOTOR WORKS Fits: 14.9L L6 DIESEL Turbocharged US933
🇺🇸 US 🇨🇦 CA
ISX, ISZ12 Groove Pulley Complete Unit
Fitment notes — US MOTOR WORKS US933
ISX, ISZ12 Groove Pulley Complete UnitLong Bottom Outlet
View on
Amazon
US MOTOR WORKS Fits: 8.9L L6 DIESEL Turbocharged US69NX
🇺🇸 US
ISC / ISL
View on
Amazon

This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off.

Water Pump Seal / O-Ring

Brand Part Number Markets Notes Buy
DORMAN Fits: 14.9L L6 DIESEL Turbocharged 9045129
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.

Buying Cooling System Parts for a 2011 International Paystar

On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.

  • Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Water Pump and Thermostat .

Frequently Asked Questions

How many cooling system parts fit the 2011 International Paystar?

Our catalog currently lists 97 cooling system parts for the 2011 International Paystar across 17 subcategories and 22 brands, covering all 3 engine options (10.8L L6 DIESEL Turbocharged, 14.9L L6 DIESEL Turbocharged and 8.9L L6 DIESEL Turbocharged). Each part is matched to the engine(s) it fits.

Do cooling system parts differ between 2011 International Paystar engines?

Some do. 25 parts fit every engine; the other 72 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of cooling system problems on a 2011 International Paystar?

Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2011 International Paystar was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2011 International Paystar?

First match the engine — each row shows which engine(s) the part fits. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2011 International Paystar

Cooling System Parts for Other International Paystar Years

Switch vehicle or jump to a subcategory

Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.