Engine Cooling System

Genuine OEM Cooling System Parts & Components

Keep your engine running at the ideal operating temperature with our selection of genuine OEM cooling system parts. We carry authentic overstock components for Cummins, Caterpillar, Volvo, and Mack engines, designed to withstand the extreme heat and pressure of heavy-duty hauling and construction work.

Our inventory includes critical hardware such as heavy-duty water pumps, engine thermostats, coolant temperature sensors, and Sanden A/C compressors. We also stock essential plumbing and sealing components, including coolant hoses, O-rings, and fan clutch solenoids. By choosing factory-spec OEM cooling parts, you ensure maximum heat dissipation, prevent engine hotspots, and protect your vehicle from the costly downtime caused by overheating.

Filters

Online Exclusive

SALE UP TO 25% OFF

Shop The Sale
Genuine International Truck Part P/N | 1677713C1 Radiator Overflow Sight Glass w OEM Package
Genuine International Truck Part P/N | 1677713C1 Radiator Overflow Sight Glass w OEM Package

Genuine International Truck Part 1677713C1 Radiator Overflow Sight Glass | NOS OEM

Regular price $25.47
Sale price $25.47 Regular price $29.96
Unit price
3062154 OEM Genuine Cummins Corrosion Resistor Filter Head with OEM Package
3062154 OEM Genuine Cummins Corrosion Resistor Filter Head with OEM Package

3062154 OEM Genuine Cummins Corrosion Resistor Filter Head – New NOS Surplus

Regular price $345.62
Sale price $345.62 Regular price $429.00
Unit price
Genuine Detroit 23515251 Series 60  Oil Temperature Sensor with OEM Package
Genuine Detroit 23515251 Series 60  Oil Temperature Sensor with OEM Package

Genuine Detroit 23515251 Series 60 Engine Oil & Coolant Temperature Sensor

Regular price $39.99
Sale price $39.99 Regular price $78.00
Unit price
1616616C91 Genuine International OEM Alarm-Stat Temperature Switch
1616616C91 Genuine International OEM Alarm-Stat Temperature Switch

1616616C91 Genuine International OEM Alarm-Stat Temperature Switch

Regular price $289.99
Sale price $289.99 Regular price $715.00
Unit price
Genuine Volvo 22835305 Radiator Hose
Genuine Volvo 22835305 Radiator Hose

Genuine Volvo 22835305 Upper Radiator Coolant Hose

Regular price $99.99
Sale price $99.99 Regular price $189.99
Unit price
Remanufactured Haldex RF590003X Fan Hub Clutch Assembly
Remanufactured Haldex RF590003X Fan Hub Clutch Assembly

Haldex Reman Fan Hub Clutch Assembly RF590003X (Cross: Horton 994273 HT/S Style)

Regular price $445.95
Sale price $445.95 Regular price $700.00
Unit price
Navistar International 3854765C5 Radiator Inlet Hose
Navistar International 3854765C5 Radiator Inlet Hose

3854765C5 Genuine International Radiator Inlet Hose

Regular price $35.00
Sale price $35.00 Regular price $65.00
Unit price
2518062C1 Genuine Navistar International Antifreeze Coolant Level Sensor Switch
2518062C1 Genuine Navistar International Antifreeze Coolant Level Sensor Switch

2518062C1 Genuine Navistar International Antifreeze Coolant Level Sensor Switch

Regular price $49.95
Sale price $49.95 Regular price $85.00
Unit price
Rig Force RF20550690 silicone charge air cooler hump hose for Volvo and Mack trucks.
Rig Force RF20550690 silicone charge air cooler hump hose for Volvo and Mack trucks.

Rig Force RF20550690 Charge Air Cooler (CAC) Hose | Fits Volvo D13 & Mack Engines | Replaces 20550690

Regular price $34.95
Sale price $34.95 Regular price $55.00
Unit price
Genuine Paccar 1876688 engine O-ring seal for MX-13 cooling systems.
Genuine Paccar 1876688 engine O-ring seal for MX-13 cooling systems.

Genuine Paccar 1876688 O-Ring Seal | Fits Paccar MX-13 Engines | MX13 Coolant Connection Seal

Regular price $8.67
Sale price $8.67 Regular price $15.71
Unit price
Genuine International 2587324C1 Coolant Level Sensor Switch Assembly | Replaces 2028178C1 / NOS
Genuine International 2587324C1 Coolant Level Sensor Switch Assembly | Replaces 2028178C1 / NOS

Genuine International 2587324C1 Coolant Level Sensor Switch Assembly | Replaces 2028178C1 / NOS

Regular price $39.95
Sale price $39.95 Regular price $90.34
Unit price
Genuine Volvo 21422767 Belt Tensioner | Fits D11, D13 Engines | VNL, VHD, VNM Models
Genuine Volvo 21422767 Belt Tensioner | Fits D11, D13 Engines | VNL, VHD, VNM Models

OEM Supplier Belt Tensioner 21422767 | Fits Volvo D11, D13 Engines | VNL, VHD

Regular price $145.00
Sale price $145.00 Regular price $400.00
Unit price
1 2 3 »
Sort by
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old