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.

87 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

$265.33$199.00
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

$265.33$199.00
A/C Condenser Fits International LT625 2017-2023 2518753C91On Order25% OFF

PartStop

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

OEM 2518753C91

$265.33$199.00
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

$265.33$199.00
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

$265.33$199.00
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

$198.67$149.00
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

$265.33$199.00
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

$265.33$199.00
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

$439.87$351.90
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

$57.13$39.99
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

$99.99$69.99
Molded Z-Shape Upper Radiator Hose - 2.50" to 2.37" ID - Fits Freightliner Cascadia & DD13 Engines - Replaces 05-21797-001,F02521S352In Stock30% OFF

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Molded Z-Shape Upper Radiator Hose - 2.50" to 2.37" ID - Fits Freightliner Cascadia & DD13 Engines - Replaces 05-21797-001,F02521S352

OEM 0521797001

$75.70$52.99
Silicone CAC Hump Hose - 4" ID x 8" Length with 3 Stainless Steel Rings - Fits Freightliner & International F01613S352In Stock30% OFF

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

OEM 0121200001

$114.27$79.99
Silicone CAC Hump Hose - 4" ID x 6" Length with 2 Stainless Steel Rings - High-Temp Hot Side for Freightliner, International & Kenworth F02485S352In 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

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 Stock25% 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

$137.32$102.99
Silicone CAC Hump Hose - 4" ID x 6.5" Length with 3 Stainless Steel Rings - Fits Freightliner, Volvo & KenworthIn 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

OEM 0116541005

$108.56$75.99
Water Pump for Freightliner Cascadia Western Star Heavy-Duty EA4712001101In Stock20% OFF

PartStop

Water Pump for Freightliner Cascadia Western Star Heavy-Duty EA4712001101

OEM EA4712001101

$373.75$299.00
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

$54.27$37.99
Silicone CAC Hump Hose - 3.5" ID x 6" Length with 3 Stainless Steel Rings - Fits International (Navistar) 4700, 4800, 4900 F02497S352In 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

OEM 1658485C1

$85.70$59.99
Heavy-Duty Lower Radiator Hose - 2.5" ID - Reinforced with Inner Spring - Fits International ProStar F02512S352In Stock30% OFF

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

OEM 3840364C1

$75.70$52.99
90-Degree Molded Radiator Hose - 2.5" ID - Fits International TranStar 8500 & 4300 Series - Replaces 3558668C1,F02514S352In Stock30% OFF

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90-Degree Molded Radiator Hose - 2.5" ID - Fits International TranStar 8500 & 4300 Series - Replaces 3558668C1,F02514S352

OEM 3558668C1

$65.70$45.99
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

$104.27$72.99
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

$42.84$29.99
90-Degree Molded Radiator Hose - 2.25" ID - Aramid Reinforced - Fits International (Navistar) - Replaces 3532993C4,F02522S352In Stock30% OFF

PartStop

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

OEM 3532993C3

$109.99$76.99
3543544C1 Coolant Hose International Freightliner 561.16350 77530001 203322042In Stock30% OFF

PartStop

3543544C1 Coolant Hose International Freightliner 561.16350 77530001 203322042

OEM 3543544C1

$92.84$64.99
Silicone CAC Hump Hose - 4" ID x 8" Length with 3 Stainless Steel Rings - Fits International (Navistar) & Freightliner F02480S352In 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

OEM 1673866C

$101.41$70.99
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

$57.13$39.99
56120251 Upper Radiator Hose – Molded Silicone | fit  Kenworth  High QualityIn Stock30% OFF

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

Part # 56120251

$45.70$31.99
In Stock30% OFF

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Extra-Long Silicone Bellows Hose - 4" ID x 19" Length - 16-Hump with 17 Stainless Steel Rings - Fits Kenworth F02499S352

OEM D501024

$128.56$89.99
Straight Silicone Coolant Hose - 1.75" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02504S352In Stock30% OFF

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

OEM D10302508

$68.56$47.99
Ultra-Flex Silicone Bellows Hose - 4" ID x 21" Length - 20-Hump with 21 Stainless Steel Rings - Fits Kenworth & International F02500S352In 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

OEM 4538157R1

$141.43$99.00
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

$198.67$149.00
Upper Radiator Hose 2.5"  , Fit Kenworth and Peterbild HE9324, 561.75250 , F046006In Stock30% OFF

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

Part # F04-6006

$41.43$29.00
Straight Silicone Coolant Hose - 1.5" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02503S352In Stock25% OFF

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

OEM D10302468

$190.65$142.99
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

$111.41$77.99
Straight Silicone Coolant Hose - 2.5" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02507S352In Stock30% OFF

PartStop

Straight Silicone Coolant Hose - 2.5" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02507S352

OEM D10302650

$69.99$48.99
Straight Silicone Coolant Hose - 3" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02508S352In Stock30% OFF

PartStop

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

OEM D10302728

$138.56$96.99
Straight Silicone Coolant Hose - 3.5" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02509S352In Stock25% OFF

PartStop

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

OEM EH22656

$161.32$120.99
Straight Silicone Coolant Hose - 4" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth & Peterbilt F02510S352In Stock25% OFF

PartStop

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

OEM EH22664

$179.99$134.99
Coolant Hose Fits Kenworth Peterbilt C40-500X36 , C40500X36In Stock20% OFF

PartStop

Coolant Hose Fits Kenworth Peterbilt C40-500X36 , C40500X36

OEM C40500X36

$311.24$248.99
5-Hump Silicone Intake Hose - 4" ID x 7.125" Length with 6 Reinforcement Rings - Fits Mack E6, E7 & MP Engines F02494S352In Stock25% 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

OEM 45MD413M3

$186.65$139.99
Straight Silicone Coolant Hose - 2" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth, Peterbilt & Navistar F02505S352In Stock30% OFF

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Straight Silicone Coolant Hose - 2" ID x 3ft Stick - 4-Ply Reinforced - Fits Kenworth, Peterbilt & Navistar F02505S352

OEM D10302456

$105.70$73.99
5-Ring Silicone Coolant Hose Replaces F50-6308, F506308, 28359 - 2.5" ID x 8.875" Length - Fits Peterbilt & KenworthIn Stock30% OFF

PartStop

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

OEM F506308

$85.70$59.99
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

$111.41$77.99
Hose Hot Air Charge 3.5-4 ID Fits Kenworth Fits Peterbilt D10298820 , 561.15350400In Stock30% OFF

PartStop

Hose Hot Air Charge 3.5-4 ID Fits Kenworth Fits Peterbilt D10298820 , 561.15350400

Part # D506041

$95.70$66.99
4" Silicone CAC Hump Hose 1673866C1 2014134C1 2014134C2 fits Kenworth PeterbiltIn Stock30% OFF

PartStop

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

OEM 1673866C1

$65.70$45.99
Water Pump Fits Detroit Diesel DD50 DD60 , 23522707In Stock25% OFF

PartStop

Water Pump Fits Detroit Diesel DD50 DD60 , 23522707

OEM 23522707

$265.33$199.00
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

$78.56$54.99
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

$45.70$31.99
56115450 Silicone CAC Hose – 4.5" x 8" | 4-Ply  , CAC40450X6 , 561.15450In Stock30% OFF

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

Part # 56115450

$55.71$39.00
F02479S352 Silicone CAC Hot Charge Air Hose - 3.5" ID x 6" Length - 6805010082 3540332C1 3541592C1In Stock30% OFF

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F02479S352 Silicone CAC Hot Charge Air Hose - 3.5" ID x 6" Length - 6805010082 3540332C1 3541592C1

OEM 6805010082

$78.56$54.99
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

$44.27$30.99
In 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

$59.99$41.99
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

$69.99$48.99
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

$89.99$62.99
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

$69.99$48.99
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

$42.84$29.99
Extra-Long Silicone Bellows Hose - 4" ID x 12.5" Length - 6-Hump with 7 Stainless Steel Rings - Fits Cummins ISX F02498S352In Stock25% OFF

PartStop

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

OEM 62050112000

$215.99$161.99
12A30X0100 Coolant Hose Heavy Duty Trucks 12A30X-0100In Stock25% OFF

PartStop

12A30X0100 Coolant Hose Heavy Duty Trucks 12A30X-0100

OEM 12A30X0100

$225.32$168.99

All 87 cooling system parts