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Peterbilt 386 Radiators

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • BESTfit Metal Radiator Upper Tank 37.5 X 6.5 Inch For Peterbilt 378, 379, 386, 387

    BESTfit Metal Radiator Upper Tank 37.5 X 6.5 Inch For Peterbilt 378, 379, 386, 387

    BESTFIT TRUCK PARTS

    $183.99
    Radiator Upper Tank 3 Inch OD Driver Side By BESTfitThe BESTfit Radiator Tank Upper with metal top is a durable and reliable replacement part designed for trucks requiring a 37 x 6.5 inch tank. Its...
    01-0702023
    SKU:
    01-0702023
    Product Type:
    Engine Parts
    Material Options:
    Steel
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    $183.99
    Qty in Cart: 0
    Price:
    $183.99
    Subtotal:
  • BESTfit Poly Lower Radiator Mount Bushing 0.625 ID X 3.062 OD For Kenworth, Peterbilt

    BESTfit Poly Lower Radiator Mount Bushing 0.625 ID X 3.062 OD For Kenworth, Peterbilt

    BESTFIT TRUCK PARTS

    $14.73
    Radiator Mount Bushing By BESTfit Replaces 07-03286 & PL1015HTProtect your radiator from unnecessary stress with the BESTfit Poly Lower Radiator Mount Bushing, built for Kenworth and Peterbilt trucks...
    29-0702059
    SKU:
    29-0702059
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $14.73
    Qty in Cart: 0
    Price:
    $14.73
    Subtotal:
  • RigMaster APU Radiator OEM LG5-003 For LG & V10 Models

    RigMaster APU Radiator OEM LG5-003 For LG & V10 Models

    RIGMASTER

    $192.99
    RigMaster LG / V10 Radiator Fits Caterpillar, Perkins LG200, V10 & Kohler Motors* High Quality Radiator* Sold Individually* Warranty On Radiators Against Defects In Workmanship & Material From Date...
    LG5003
    SKU:
    LG5003
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $192.99
    Qty in Cart: 0
    Price:
    $192.99
    Subtotal:
  • 15 Piece Radiator Mounting Clips Replaces 376731951

    15 Piece Radiator Mounting Clips Replaces 376731951

    AUTOMANN USA

    $18.62
    Radiator Mounting Clips Replaces 15 Piece 376731951* High Quality Radiator Mounting Clip* 15 Pieces* Sold As Pack* Warranty On Radiator Mounting Clips Against Defects In Workmanship & Material From...
    09-07020011
    SKU:
    09-07020011
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $18.62
    Qty in Cart: 0
    Price:
    $18.62
    Subtotal:
  • BESTfit Copper Brass Radiator W/O Oil Cooler 36 X 36.75 X 2.25 Inch 4 Row For Peterbilt 386 & 387

    BESTfit Copper Brass Radiator W/O Oil Cooler 36 X 36.75 X 2.25 Inch 4 Row For Peterbilt 386 & 387

    BESTFIT TRUCK PARTS

    $1,817.99
    Radiator W/ 2.5 Inch Inlet & 2.5 Inch Outlet By BESTfitKeep your engine temperature under control with the BESTfit 4 Row Radiator without Oil Cooler, designed specifically for Peterbilt trucks. With...
    01-070270
    SKU:
    01-070270
    Truck Class:
    Heavy Duty
    Material Options:
    Brass Copper
    Size Options:
    4 Row
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $1,817.99
    Qty in Cart: 0
    Price:
    $1,817.99
    Subtotal:
  • BESTfit Copper Brass 5 Row Radiator W/Out Surge Tank For Peterbilt 379, 378, 357, 385, 386

    BESTfit Copper Brass 5 Row Radiator W/Out Surge Tank For Peterbilt 379, 378, 357, 385, 386

    BESTFIT TRUCK PARTS

    $1,835.99 - $2,646.99
    Is your truck overheating? Look no further, 4 State Trucks has a great radiator for you. With this affordable option, you will get premium performance while still saving money. Get the most bang for...
    PPR_7679
    SKU:
    PPR_7679
    Truck Class:
    Heavy Duty
    Material Options:
    Brass Copper
    Make:
    Peterbilt
    Size Options:
    5 Row
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $1,835.99 - $2,646.99
    Qty in Cart: 0
    Price:
    $1,835.99 - $2,646.99
    Subtotal:
  • BESTfit Plastic Aluminum 2 Row Radiator W/ Out Oil Cooler Or Frame For Kenworth W900L, Peterbilt 384, 386

    BESTfit Plastic Aluminum 2 Row Radiator W/ Out Oil Cooler Or Frame For Kenworth W900L, Peterbilt 384, 386

    BESTFIT TRUCK PARTS

    $730.99 - $852.99
    This high quality 36 X 36.75 inch plastic aluminum radiator fits Kenworth W900L and Peterbilt 384 and 386 models. The radiator has a 2.062 thickness with a 2.5 inch inlet and outlet and comes with a...
    PPR_200124
    SKU:
    PPR_200124
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Kenworth
    Make:
    Peterbilt
    Make:
    Dodge
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $730.99 - $852.99
    Qty in Cart: 0
    Price:
    $730.99 - $852.99
    Subtotal:
  • BESTfit Copper Brass 4 Row Radiator W/O Surge Tank For Peterbilt 357, 378, 379, 385, 386, 387

    BESTfit Copper Brass 4 Row Radiator W/O Surge Tank For Peterbilt 357, 378, 379, 385, 386, 387

    BESTFIT TRUCK PARTS

    $1,274.99 - $1,529.99
    Is your truck overheating? Look no further, 4 State Trucks has a great radiator for you. With this affordable option, you will get premium performance while still being a dependable choice. Get the...
    PPR_200038
    SKU:
    PPR_200038
    Truck Class:
    Heavy Duty
    Material Options:
    Brass Copper
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Position:
    Kit Full
    Style Options:
    4 Rows
    Height Options:
    36 Inch
    Length Options:
    2 1/2 Inch
    Width Options:
    34 1/2 Inch
    Ready To Ship:
    Yes
    $1,274.99 - $1,529.99
    Qty in Cart: 0
    Price:
    $1,274.99 - $1,529.99
    Subtotal:
  • BESTfit Copper Brass Radiator W/ Frame 36 X 36.75 X 2.17 Inch 2 Row Replaces N4028004, F3160921101310 For Peterbilt 384, 386 & Kenworth W900L

    BESTfit Copper Brass Radiator W/ Frame 36 X 36.75 X 2.17 Inch 2 Row Replaces N4028004, F3160921101310 For Peterbilt 384, 386 & Kenworth W900L

    BESTFIT TRUCK PARTS

    $845.99
    Radiator W/ 2.5 Inch Inlet & 2.5 Inch Outlet By BESTfit Replaces N4028004, F3160921101310* High Quality Radiator* Made Of Copper/Brass* 2 Row With Frame* Without Oil Cooler* Has Mounting Holes On...
    29-0702046
    SKU:
    29-0702046
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $845.99
    Qty in Cart: 0
    Price:
    $845.99
    Subtotal:
  • On Sale
    BESTfit Copper Brass Radiator W/ Frame 36 X 36.125 X 2 Inch 2 Row Replaces F3160921101010 For Peterbilt 386, 384, Kenworth W900L

    BESTfit Copper Brass Radiator W/ Frame 36 X 36.125 X 2 Inch 2 Row Replaces F3160921101010 For Peterbilt 386, 384, Kenworth W900L

    BESTFIT TRUCK PARTS

    Now: $637.59
    Was: $796.99
    Radiator W/ 2.5 Inch Inlet & 2.5 Inch Outlet By BESTfit Replaces F3160921101010This BESTfit 2-row radiator comes with a frame. For enhanced durability, it has a reinforced header joint with extra...
    29-0702045
    SKU:
    29-0702045
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Make:
    Kenworth
    Product Type:
    Engine Parts
    Size Options:
    2 Row
    Ready To Ship:
    Yes
    Now: $637.59
    Was: $796.99
    Qty in Cart: 0
    Price:
    Now: $637.59
    Was: $796.99
    Subtotal:
  • TPHD Copper Brass Radiator W/ Frame & No Surge Tank 36.25 X 34.625 X 2 Inch 3 Row For Peterbilt 379, 378, 377

    TPHD Copper Brass Radiator W/ Frame & No Surge Tank 36.25 X 34.625 X 2 Inch 3 Row For Peterbilt 379, 378, 377

    TPHD

    $1,019.99
    Radiator W/ 2.5 Inch Inlet & 3 Inch Outlet By TPHD Replaces 0706657A015, 0706657A017Upgrade your Peterbilt with this reliable TPHD 3-row metal radiator. Sporting a robust frame and no surge tank, it...
    01-070246T
    SKU:
    01-070246T
    Truck Class:
    Heavy Duty
    Material Options:
    Brass Copper
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Width Options:
    34 Inch
    Length Options:
    2 Inch
    Size Options:
    4 Row
    Height Options:
    36 Inch
    $1,019.99
    Qty in Cart: 0
    Price:
    $1,019.99
    Subtotal:
  • Total: items /

Adding your products to cart

Our lineup of aftermarket Peterbilt 386 Radiators includes a wide range of high-quality aluminum and copper-brass radiators designed to fit Peterbilt 386, 384, and Kenworth W900L semi-trucks. These radiators provide efficient cooling and durable construction to keep your truck running at its best. Key features include 2-4 row designs, with and without oil coolers, as well as plastic or metal tank options. Customers can find the right radiator for their specific make and model to maintain optimal engine performance and temperature regulation. Whether you need a replacement or an upgrade, this product line has the top-of-the-line radiator solutions to keep your Peterbilt or Kenworth truck cool and operating at peak efficiency.

Frequently Asked Questions About Peterbilt 386 Radiators

Will this radiator fit my Peterbilt 386 without modification?

Radiators for the Peterbilt 386 are typically designed to match OEM dimensions and mounting points for specific engine configurations, such as those from Cummins or PACCAR. Because engine options and cooling system setups can vary by model year, it's important to confirm your truck's engine type and VIN details against the product specifications before purchasing to ensure a direct fit.

What material is the radiator core and tanks made from?

Most replacement and aftermarket radiators for the Peterbilt 386 feature aluminum cores paired with either aluminum or durable plastic tanks, depending on the manufacturer. Aluminum cores are valued for their heat dissipation and resistance to corrosion, while tank material can affect overall weight and longevity.

How do I know if my radiator needs to be replaced versus repaired?

Common signs that indicate a replacement is needed include persistent coolant leaks, visible cracks in the tanks, corrosion, bent or clogged cooling fins that restrict airflow, or a truck that consistently runs hot despite a properly functioning thermostat and fan clutch. If the damage is isolated to a fitting or seam, a repair may be possible, but core damage usually calls for a full replacement.

Is professional installation required, or can I install it myself?

Radiator replacement on a Peterbilt 386 involves draining the cooling system, disconnecting hoses and mounting hardware, and often working around the fan shroud and charge air cooler. While experienced DIY mechanics with the right tools can handle this job, many customers choose professional installation to ensure proper sealing, correct torque on fittings, and a full system bleed to avoid air pockets.

Does the radiator come with a warranty, and what does it cover?

Warranty coverage varies by brand and whether the radiator is new or a remanufactured unit. Most warranties cover defects in materials or workmanship for a set period, but they typically do not cover damage from improper installation, contaminated coolant, or operating the truck with low coolant levels. Review the specific warranty terms listed with each product before purchasing.


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