Cooling System

Premium-quality aftermarket cooling system parts for heavy-duty semi trucks — direct replacements with nationwide same-day shipping and a 6+ month warranty. Filter by make, subcategory, or part number.

104 results
A/C Condenser Fits Freightliner Cascadia 2018-2023 A22-72869-000In Stock25% OFF

PartStop

A/C Condenser Fits Freightliner Cascadia 2018-2023 A22-72869-000

OEM A22-72869-000

$238.80$179.10
A22-72870-000 A/C Condenser for Freightliner Cascadia Fits 2018+ A2272870000In Stock25% OFF

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A22-72870-000 A/C Condenser for Freightliner Cascadia Fits 2018+ A2272870000

OEM A22-72870-000

$146.09$109.57
A/C Condenser Fits International LT625 2017-2023 2518753C91On Order25% OFF

PartStop

A/C Condenser Fits International LT625 2017-2023 2518753C91

OEM 2518753C91

$165.55$124.16
A/C Condenser Fits Kenworth T680 Peterbilt 579 567 2013-2023 Z9206001In Stock25% OFF

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A/C Condenser Fits Kenworth T680 Peterbilt 579 567 2013-2023 Z9206001

OEM 54-77048-000

$155.83$116.87
A/C Condenser Fits Peterbilt 579 Fits Kenworth T680 2022-2024 , PX936001In Stock25% OFF

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A/C Condenser Fits Peterbilt 579 Fits Kenworth T680 2022-2024 , PX936001

OEM PX936001

$151.97$113.98
22386057 A/C Condenser Fits Volvo VNL 2018-2023 AftermarketIn Stock25% OFF

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22386057 A/C Condenser Fits Volvo VNL 2018-2023 Aftermarket

OEM 22386057

$133.99$100.49
Coolant Reservoir Fits Freightliner Cascadia M2 A0525263005 ,A05-25263-005In Stock25% OFF

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Coolant Reservoir Fits Freightliner Cascadia M2 A0525263005 ,A05-25263-005

OEM A0525263005

$236.72$177.54
A0532836000 Coolant Reservoir Tank Fits Freightliner Cascadia 2018-2024In Stock25% OFF

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A0532836000 Coolant Reservoir Tank Fits Freightliner Cascadia 2018-2024

OEM A0532836000

$251.69$188.77
Charge Air Cooler Fits Freightliner Cascadia DD15 1030523AOn Order10% OFF

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Charge Air Cooler Fits Freightliner Cascadia DD15 1030523A

Part # 1030523A

$927.78$835.00
A4711800865 Engine Oil Cooler Fits Freightliner Cascadia DD13 DD15 13 PlateIn Stock20% OFF

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A4711800865 Engine Oil Cooler Fits Freightliner Cascadia DD13 DD15 13 Plate

OEM A4711800865

$342.49$273.99
A4721800965 Oil Cooler Fits Freightliner Cascadia DD13 DD15 DD16In Stock20% OFF

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A4721800965 Oil Cooler Fits Freightliner Cascadia DD13 DD15 DD16

OEM A4721800965

$370.63$296.50
Molded P-Pipe Heater Hose - 0.75" ID - Fits Freightliner Cascadia & Detroit Diesel DD13/DD15 - Replaces 05-28189-000 , F02513S352In Stock30% OFF

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Molded P-Pipe Heater Hose - 0.75" ID - Fits Freightliner Cascadia & Detroit Diesel DD13/DD15 - Replaces 05-28189-000 , F02513S352

OEM 0528189000

$39.99$27.99
90-Degree Molded Radiator Elbow - 2.5" ID - Fits Freightliner Cascadia 113 & 125 - Replaces 05-16062-123,F02517S352In Stock30% OFF

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90-Degree Molded Radiator Elbow - 2.5" ID - Fits Freightliner Cascadia 113 & 125 - Replaces 05-16062-123,F02517S352

OEM 0516062123

$32.84$22.99
0521797001 Upper Radiator Hose, Fits DD13 Freightliner CascadiaIn Stock30% OFF

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0521797001 Upper Radiator Hose, Fits DD13 Freightliner Cascadia

OEM 0521797001

$42.84$29.99
Silicone CAC Hump Hose - 4" ID x 8" Length with 3 Stainless Steel Rings - Fits Freightliner & International F01613S352 0121200001In Stock30% OFF

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Silicone CAC Hump Hose - 4" ID x 8" Length with 3 Stainless Steel Rings - Fits Freightliner & International F01613S352 0121200001

OEM 0121200001

$61.29$42.90
Silicone CAC Hump Hose - 4" ID x 6" Length with 2 Stainless Steel Rings - High-Temp Hot Side for Freightliner, International & Kenworth F02485S352 D10298699In Stock30% OFF

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Silicone CAC Hump Hose - 4" ID x 6" Length with 2 Stainless Steel Rings - High-Temp Hot Side for Freightliner, International & Kenworth F02485S352 D10298699

OEM D10298699

$52.84$36.99
Lower Radiator Hose for Freightliner - 2.5" ID x 17.63" Length - Fits Detroit Diesel Series 60 - Replaces 05-21303-001In Stock30% OFF

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Lower Radiator Hose for Freightliner - 2.5" ID x 17.63" Length - Fits Detroit Diesel Series 60 - Replaces 05-21303-001

OEM 0521303001

$69.99$48.99
Silicone CAC Hump Hose - 4" ID x 6.5" Length with 3 Stainless Steel Rings - Fits Freightliner, Volvo & Kenworth 0116541005In Stock30% OFF

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Silicone CAC Hump Hose - 4" ID x 6.5" Length with 3 Stainless Steel Rings - Fits Freightliner, Volvo & Kenworth 0116541005

OEM 0116541005

$55.70$38.99
Water Pump for Freightliner Cascadia Western Star Heavy-Duty EA4712001101In Stock25% OFF

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Water Pump for Freightliner Cascadia Western Star Heavy-Duty EA4712001101

OEM EA4712001101

$243.48$182.61
Silicone Hump Hose - 2" ID x 83mm Length - High-Pressure Flexible Coupler for International (Navistar) F02495S352In Stock30% OFF

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Silicone Hump Hose - 2" ID x 83mm Length - High-Pressure Flexible Coupler for International (Navistar) F02495S352

OEM 1647525C1

$94.27$65.99
Silicone Hump Reducer Hose - 2.5" to 3" ID - 175mm Length with 2 Stainless Steel Rings - Fits International (Navistar) F02496S352In Stock30% OFF

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Silicone Hump Reducer Hose - 2.5" to 3" ID - 175mm Length with 2 Stainless Steel Rings - Fits International (Navistar) F02496S352

OEM 2030772C1

$41.41$28.99
Silicone CAC Hump Hose - 3.5" ID x 6" Length with 3 Stainless Steel Rings - Fits International (Navistar) 4700, 4800, 4900 F02497S352 1658485C1In Stock30% OFF

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Silicone CAC Hump Hose - 3.5" ID x 6" Length with 3 Stainless Steel Rings - Fits International (Navistar) 4700, 4800, 4900 F02497S352 1658485C1

OEM 1658485C1

$35.70$24.99
Heavy-Duty Lower Radiator Hose - 2.5" ID - Reinforced with Inner Spring - Fits International ProStar F02512S352 3840364C1In Stock30% OFF

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Heavy-Duty Lower Radiator Hose - 2.5" ID - Reinforced with Inner Spring - Fits International ProStar F02512S352 3840364C1

OEM 3840364C1

$75.70$52.99
Molded Upper Radiator Inlet Hose - 2.5" to 2.25" ID - Fits International 3800 & NGD Engines - Replaces 2003489C1 ,F02515S352In Stock30% OFF

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Molded Upper Radiator Inlet Hose - 2.5" to 2.25" ID - Fits International 3800 & NGD Engines - Replaces 2003489C1 ,F02515S352

OEM 2003489C1

$57.13$39.99
45-Degree Molded Radiator Inlet Hose - 2.5" ID - Fits International ProStar & 9200 ISX - Replaces 2025806C2,F02520S352In Stock30% OFF

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45-Degree Molded Radiator Inlet Hose - 2.5" ID - Fits International ProStar & 9200 ISX - Replaces 2025806C2,F02520S352

OEM 2025806C2

$35.71$25.00
90-Degree Molded Radiator Hose - 2.25" ID - Aramid Reinforced - Fits International (Navistar) - Replaces 3532993C4,F02522S352 3532993C3In Stock30% OFF

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90-Degree Molded Radiator Hose - 2.25" ID - Aramid Reinforced - Fits International (Navistar) - Replaces 3532993C4,F02522S352 3532993C3

OEM 3532993C3

$85.70$59.99
3543544C1 Coolant Hose International Freightliner 561.16350 77530001 203322042In Stock30% OFF

PartStop

3543544C1 Coolant Hose International Freightliner 561.16350 77530001 203322042

OEM 3543544C1

$42.84$29.99
Silicone CAC Hump Hose - 4" ID x 8" Length with 3 Stainless Steel Rings - Fits International (Navistar) & Freightliner F02480S352 1673866CIn Stock30% OFF

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Silicone CAC Hump Hose - 4" ID x 8" Length with 3 Stainless Steel Rings - Fits International (Navistar) & Freightliner F02480S352 1673866C

OEM 1673866C

$55.70$38.99
Charge Air Cooler Hose Fits DD15 ,56116400, 3558834C1, 3625343C1, 561.16400In Stock30% OFF

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Charge Air Cooler Hose Fits DD15 ,56116400, 3558834C1, 3625343C1, 561.16400

Part # 561164

$41.41$28.99
56120251 Upper Radiator Hose – Molded Silicone | fit  Kenworth  High QualityIn Stock30% OFF

PartStop

56120251 Upper Radiator Hose – Molded Silicone | fit Kenworth High Quality

Part # 56120251

$38.91$27.24
Straight Silicone Coolant Hose - 1.75" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02504S352In Stock30% OFF

PartStop

Straight Silicone Coolant Hose - 1.75" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02504S352

OEM D10302508

$71.37$49.96
Ultra-Flex Silicone Bellows Hose - 4" ID x 21" Length - 20-Hump with 21 Stainless Steel Rings - Fits Kenworth & International F02500S352 4538157R1In Stock30% OFF

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Ultra-Flex Silicone Bellows Hose - 4" ID x 21" Length - 20-Hump with 21 Stainless Steel Rings - Fits Kenworth & International F02500S352 4538157R1

OEM 4538157R1

$118.60$83.02
DR104002 Coolant Tank Fits Kenworth T680 T880 Fits Peterbilt 579On Order25% OFF

PartStop

DR104002 Coolant Tank Fits Kenworth T680 T880 Fits Peterbilt 579

Part # DR104002

$179.09$134.32
Upper Radiator Hose 2.5"  , Fit Kenworth and Peterbilt HE9324, 561.75250 , F046006In Stock30% OFF

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Upper Radiator Hose 2.5" , Fit Kenworth and Peterbilt HE9324, 561.75250 , F046006

Part # F04-6006

$25.70$17.99
Straight Silicone Coolant Hose - 1.5" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02503S352In Stock30% OFF

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Straight Silicone Coolant Hose - 1.5" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02503S352

OEM D10302468

$84.29$59.00
Straight Silicone Coolant Hose - 2.25" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02506S352In Stock30% OFF

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Straight Silicone Coolant Hose - 2.25" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02506S352

OEM D10302585

$92.57$64.80
D1030-2650 Radiator Coolant Hose 2.5" x 36" For Kenworth Peterbilt InternationalIn Stock30% OFF

PartStop

D1030-2650 Radiator Coolant Hose 2.5" x 36" For Kenworth Peterbilt International

OEM D10302650

$71.41$49.99
Straight Silicone Coolant Hose - 3" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02508S352In Stock30% OFF

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Straight Silicone Coolant Hose - 3" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02508S352

OEM D10302728

$100.60$70.42
Straight Silicone Coolant Hose - 3.5" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02509S352In Stock30% OFF

PartStop

Straight Silicone Coolant Hose - 3.5" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02509S352

OEM EH22656

$134.27$93.99
Straight Silicone Coolant Hose - 4" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02510S352In Stock25% OFF

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Straight Silicone Coolant Hose - 4" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02510S352

OEM EH22664

$161.99$121.49
Coolant Hose Fits Kenworth Peterbilt C40-500X36 , C40500X36In Stock20% OFF

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Coolant Hose Fits Kenworth Peterbilt C40-500X36 , C40500X36

OEM C40500X36

$280.11$224.09
5-Hump Silicone Intake Hose - 4" ID x 7.125" Length with 6 Reinforcement Rings - Fits Mack E6, E7 & MP Engines F02494S352 45MD413M3In Stock30% OFF

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5-Hump Silicone Intake Hose - 4" ID x 7.125" Length with 6 Reinforcement Rings - Fits Mack E6, E7 & MP Engines F02494S352 45MD413M3

OEM 45MD413M3

$65.70$45.99
D1030-2456 Radiator Coolant Hose 2" x 36" For Kenworth Peterbilt InternationalIn Stock30% OFF

PartStop

D1030-2456 Radiator Coolant Hose 2" x 36" For Kenworth Peterbilt International

OEM D10302456

$68.56$47.99
5-Ring Silicone Coolant Hose Replaces F50-6308, F506308, 28359 - 2.5" ID x 8.875" Length - Fits Peterbilt & KenworthIn Stock30% OFF

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5-Ring Silicone Coolant Hose Replaces F50-6308, F506308, 28359 - 2.5" ID x 8.875" Length - Fits Peterbilt & Kenworth

OEM F506308

$40.00$28.00
Straight Silicone Coolant Hose - 1.25" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02502S352In Stock30% OFF

PartStop

Straight Silicone Coolant Hose - 1.25" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02502S352

OEM D10302364

$41.41$28.99
D50-6041 Charge Air Cooler Hose, 3.5" - 4" ID, Fits Kenworth PeterbiltIn Stock30% OFF

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D50-6041 Charge Air Cooler Hose, 3.5" - 4" ID, Fits Kenworth Peterbilt

Part # D506041

$49.30$34.51
4" Silicone CAC Hump Hose 1673866C1 2014134C1 2014134C2 fits Kenworth PeterbiltIn Stock30% OFF

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4" Silicone CAC Hump Hose 1673866C1 2014134C1 2014134C2 fits Kenworth Peterbilt

OEM 1673866C1

$54.83$38.38
Water Pump Fits Detroit Diesel DD50 DD60 , 23522707In Stock20% OFF

PartStop

Water Pump Fits Detroit Diesel DD50 DD60 , 23522707

OEM 23522707

$263.06$210.45
56118100 Coolant Hose Elbow 90deg ; 201363040, 78840002, 90100MK , 561.1810In Stock30% OFF

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56118100 Coolant Hose Elbow 90deg ; 201363040, 78840002, 90100MK , 561.1810

Part # 561.18100

$42.84$29.99
4in CAC Silicone Hose  561.17400,  D10294494, HE4494, K342734,H86-400,561174In Stock30% OFF

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4in CAC Silicone Hose 561.17400, D10294494, HE4494, K342734,H86-400,561174

Part # 561174

$35.70$24.99
56115450 Silicone CAC Hose – 4.5" x 8" | 4-Ply , CAC40450X6 , 561.15450 Fits VolvoIn Stock30% OFF

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56115450 Silicone CAC Hose – 4.5" x 8" | 4-Ply , CAC40450X6 , 561.15450 Fits Volvo

Part # 56115450

$44.24$30.97
6805010082 Charge Air Cooler Hose, 3.5" ID x 6" Length - Fits InternationalIn Stock30% OFF

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6805010082 Charge Air Cooler Hose, 3.5" ID x 6" Length - Fits International

OEM 6805010082

$44.27$30.99
Universal Silicone Hump Hose Coupler - 2" ID x 6" Length - 4-Ply Reinforced for Turbo, Intake & Coolant F02484S352In Stock30% OFF

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Universal Silicone Hump Hose Coupler - 2" ID x 6" Length - 4-Ply Reinforced for Turbo, Intake & Coolant F02484S352

OEM F02484S352

$31.41$21.99
EGR Silicone Reducer Hose for Cummins ISX15 - 57mm to 48mm ID - Aramid Reinforced with Stainless Steel Ring F02486S352In Stock30% OFF

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EGR Silicone Reducer Hose for Cummins ISX15 - 57mm to 48mm ID - Aramid Reinforced with Stainless Steel Ring F02486S352

OEM 3687223

$31.41$21.99
Silicone CAC Hump Hose - 2.5" ID x 5" Length with 2 Stainless Steel Rings - Fits Agrale & Cummins F02487S352In Stock30% OFF

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Silicone CAC Hump Hose - 2.5" ID x 5" Length with 2 Stainless Steel Rings - Fits Agrale & Cummins F02487S352

OEM 6112001211009

$62.99$44.09
Silicone Hump Reducer Hose - 4" to 3" ID - 5" Length with 2 Stainless Steel Rings - Fits Agrale & Cummins F02488S352In Stock30% OFF

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Silicone Hump Reducer Hose - 4" to 3" ID - 5" Length with 2 Stainless Steel Rings - Fits Agrale & Cummins F02488S352

OEM 6112001025003

$80.99$56.69
Silicone CAC Hump Hose - 3" ID x 5.9" Length with 3 Stainless Steel Rings - Fits Agrale & Cummins F02489S352In Stock30% OFF

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Silicone CAC Hump Hose - 3" ID x 5.9" Length with 3 Stainless Steel Rings - Fits Agrale & Cummins F02489S352

OEM 6112001022000

$44.99$31.49
Straight Silicone Hose - 3" ID x 85mm Length - 4-Ply Reinforced - Fits Agrale & Cummins F02490S352In Stock30% OFF

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Straight Silicone Hose - 3" ID x 85mm Length - 4-Ply Reinforced - Fits Agrale & Cummins F02490S352

OEM 6112001118006

$36.03$25.22
Extra-Long Silicone Bellows Hose - 4" ID x 12.5" Length - 6-Hump with 7 Stainless Steel Rings - Fits Cummins ISX F02498S352 62050112000In Stock25% OFF

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Extra-Long Silicone Bellows Hose - 4" ID x 12.5" Length - 6-Hump with 7 Stainless Steel Rings - Fits Cummins ISX F02498S352 62050112000

OEM 62050112000

$194.39$145.79
12A30X0100 Coolant Hose Heavy Duty Trucks 12A30X-0100In Stock25% OFF

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12A30X0100 Coolant Hose Heavy Duty Trucks 12A30X-0100

OEM 12A30X0100

$202.79$152.09

All 104 cooling system parts