Belts and Cooling Parts























Dayco 89440
BELT TENSIONER
- Manufacturer
- Dayco
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Dorman 603-5403
RESERVOIR
- Manufacturer
- Dorman
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Engine Coolant Reservoir
- Fetching our lowest price...


Dayco 89101
PULLEY
- Manufacturer
- Dayco
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


Dayco 89448
BELT TENSIONER
- Manufacturer
- Dayco
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Gates 38587
FleetRunner Heavy-Duty Automatic Belt Drive Tensioner
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Dayco 89447
BELT TENSIONER
- Manufacturer
- Dayco
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Gates 38610
FleetRunner Heavy-Duty Automatic Belt Drive Tensioner
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Gates 43446HD
Heavy-Duty Engine Water Pump
- Manufacturer
- Gates
- Rating
-
★★★★
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Engine Water Pump
- Fetching our lowest price...


Gates 38569
FleetRunner Heavy-Duty Automatic Belt Drive Tensioner
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Gates 24840
Straight Silicone Coolant Hose
- Manufacturer
- Gates
- Rating
-
★★★★★
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Radiator Coolant Hose
- Fetching our lowest price...


World American WA1950014
COOLANT RESERVOIR/SURGE TANK
- Manufacturer
- World American
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Engine Coolant Reservoir
- Fetching our lowest price...


Gates 36223
DriveAlign Belt Drive Idler/Tensioner Pulley
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


Dayco 5120858
SERPENTINE BELT
- Manufacturer
- Dayco
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Serpentine Belt
- Fetching our lowest price...


Gates 28359
Molded Silicone Coolant Hose
- Manufacturer
- Gates
- Rating
-
★★★★★
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Radiator Coolant Hose
- Fetching our lowest price...


Gates K060637HD
FLT RUNNR
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Serpentine Belt
- Fetching our lowest price...


Gates 38511
FleetRunner Heavy-Duty Automatic Belt Drive Tensioner
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Gates 36341
DriveAlign Belt Drive Idler/Tensioner Pulley
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


Gates 45052HD
Heavy-Duty Engine Water Pump
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Engine Water Pump
- Fetching our lowest price...


Gates 36165
DriveAlign Idle
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


Gates 36091
TENSIONER
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


Gates K100874HD
MICRO BLT
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Serpentine Belt
- Fetching our lowest price...


Dayco 89120
PULLEY
- Manufacturer
- Dayco
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


Gates 38730
FleetRunner Heavy-Duty Automatic Belt Drive Tensioner
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Gates 44062HD
Heavy-Duty Engine Water Pump
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Engine Water Pump
- Fetching our lowest price...


Gates K080956HD
FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Serpentine Belt
- Fetching our lowest price...


Gates 34146
Green Stripe Heavy-Duty Engine Coolant Thermostat
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Engine Coolant Thermostat
- Fetching our lowest price...


Gates 28212
COOL HOSE
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Radiator Coolant Hose
- Fetching our lowest price...


Dayco 89110
PULLEY
- Manufacturer
- Dayco
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


World American WA1950002
COOLANT RESERVOIR/SURGETANK/CA
- Manufacturer
- World American
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Engine Coolant Reservoir Cap
- Fetching our lowest price...


Dayco 89109
PULLEY
- Manufacturer
- Dayco
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


Gates 36269
PULLEY
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


Gates 34148
Green Stripe Heavy-Duty Engine Coolant Thermostat
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Engine Coolant Thermostat
- Fetching our lowest price...


Gates 43564HD
Heavy-Duty Engine Water Pump
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Engine Water Pump
- Fetching our lowest price...


Dorman 904-7363
Low Coolant Level Sensor
- Manufacturer
- Dorman
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Engine Coolant Level Sensor
- Fetching our lowest price...


Continental AG 60832
MOLD RADIATOR H
- Manufacturer
- Continental AG
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Radiator Coolant Hose
- Fetching our lowest price...


Gates K120980HD
FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Serpentine Belt
- Fetching our lowest price...


Gates K120858HD
BELT
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Serpentine Belt
- Fetching our lowest price...


Dayco 89442
BELT TENSIONER
- Manufacturer
- Dayco
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Goodyear Belts 1120985
Serpentine Belt - Multi V-Belt, 98.5 in. Effective Length, Polyester
- Manufacturer
- Goodyear Belts
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Serpentine Belt
- Fetching our lowest price...


Gates 38590
TENSIONER
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Gates 90K38610HDC
FleetRunner Heavy-Duty Serpentine Belt Drive Component Kit
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Serpentine Belt Drive Component Kit
- Fetching our lowest price...


Gates 36282
DriveAlign Belt Drive Idler/Tensioner Pulley
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


Gates K080913HD
CL12-V-RIBBED B
- Manufacturer
- Gates
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Serpentine Belt
- Fetching our lowest price...


Continental AG 49545
Continental Accu-Drive Tensioner Assembly
- Manufacturer
- Continental AG
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Dayco 89106
PULLEY
- Manufacturer
- Dayco
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Idler Pulley
- Fetching our lowest price...


Goodyear Belts 55827
Accessory Drive Belt Tensioner Pulley - FEAD Automatic Tensioner, 2.91 in. Outside Diameter, Steel
- Manufacturer
- Goodyear Belts
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Tensioner Assembly
- Fetching our lowest price...


Continental AG 4120872X
Automotive Multi-V Extreme Duty Belt
- Manufacturer
- Continental AG
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Serpentine Belt
- Fetching our lowest price...


Continental AG 49147
Continental Accu-Drive Pulley
- Manufacturer
- Continental AG
- Verified Fits
-
✓ Peterbilt 386
- Part Type
- Accessory Drive Belt Pulley
- Fetching our lowest price...
Belts and Cooling Parts at FinditParts.com
Achieve optimal engine performance and prevent overheating with the dependable range of belts and cooling parts available at FinditParts.com! With millions of OEM and aftermarket semi truck and heavy-duty truck and trailer parts available, FinditParts offers everything you need, including accessory drive belts, timing belts, cooling fans, clutch motors, radiators, thermostats, and a variety of hoses and pipes. We partner with top manufacturers like Gates, Dayco, and BorgWarner to bring you high-quality parts you can trust. Plus, we offer competitive pricing to help you keep maintenance costs down while ensuring your vehicle performs at its best. Shop now to find the right belts and cooling parts at unbeatable value!
We understand that finding the right parts can be challenging. Here are some frequently asked questions to make your selection easier.
What are the signs that my radiator needs to be replaced?
Signs of a failing radiator include overheating, low coolant levels, visible leaks, or a build-up of rust and corrosion. If you experience any of these symptoms, browse our selection of radiators or contact our customer support for assistance.
How often should I replace my vehicle's belts?
Belt life expectancy varies depending on driving conditions, mileage, and material. Most manufacturers recommend replacing belts every 50,000 to 100,000 miles. Refer to your vehicle's owner's manual for specific recommendations.
How can I maintain my cooling fan for optimal performance?
Check your cooling fan regularly for debris buildup that can obstruct airflow. A visual inspection can also reveal damaged fan blades or electrical connector issues. FinditParts offers replacement cooling fans and electrical components to keep your engine cool.
What are the challenges of replacing a water pump myself?
Replacing a water pump can be a complex task depending on the vehicle. It may involve draining coolant, disassembling parts, and potentially using specialized tools. If you're unsure about your mechanical skills, consider consulting a qualified mechanic for water pump replacement.
What's the difference between OEM and aftermarket belts and cooling parts?
OEM (Original Equipment Manufacturer) parts are identical to the parts originally installed in your vehicle. Aftermarket parts offer a more cost-effective option while maintaining high-quality standards.