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Peterbilt 386 Heat & AC Parts

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  • FREE SHIPPING OVER $249
    BESTfit AC Expansion Valve, Block Style For Peterbilt & Kenworth

    BESTfit AC Expansion Valve, Block Style For Peterbilt & Kenworth

    BESTFIT TRUCK PARTS

    $29.88
    BESTfit Block Style AC Expansion Valve* High Quality Valve* Sold Individually* Warranty On Expansion Valve Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    29-070042
    SKU:
    29-070042
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Kenworth
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $29.88
    Qty in Cart: 0
    Price:
    $29.88
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Red AC Orifice Tube For Peterbilt & Sterling

    TPHD Red AC Orifice Tube For Peterbilt & Sterling

    TPHD

    $1.73
    Orifice Tube Fits Sterling & Peterbilt RedAre you working on an AC project? 4 State Trucks carries an aftermarket, replacement red AC orifice tube that measures 6 x 5 x 3 inches and has a 1-year...
    29-070031
    SKU:
    29-070031
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Sterling
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $1.73
    Qty in Cart: 0
    Price:
    $1.73
    Subtotal:
  • FREE SHIPPING OVER $249
    Blower Switch 12 Volt 20 Amp 5 Terminal 3 Position

    Blower Switch 12 Volt 20 Amp 5 Terminal 3 Position

    AFTERMARKET

    $10.42
    Universal Blower Switch* High Quality Bower Switch* 12 Volt * 20 Amp Rating* 3 Position - Knob Not Included* 5 Terminal Hook Up* For AC And Heater Fan Control* Sold Individually* Warranty On Bower...
    2199005
    SKU:
    2199005
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $10.42
    Qty in Cart: 0
    Price:
    $10.42
    Subtotal:
  • BESTfit 5.1875 Inch Diameter Steel Blower Motor Wheel For Red Dot Units Replaces 73R-6200

    BESTfit 5.1875 Inch Diameter Steel Blower Motor Wheel For Red Dot Units Replaces 73R-6200

    BESTFIT TRUCK PARTS

    $26.35
    BESTfit 5.1875 X 3.375 Inch Steel Blower Motor Wheel With 5/16 Inch Hub Bore* High Quality Blower Motor* Material: Steel* Hub Bore 5/16 Inch Diameter* Hub Inset 7/8 Inch * Dual Rotation* 5-3/16 Inch...
    09-150300001
    SKU:
    09-150300001
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $26.35
    Qty in Cart: 0
    Price:
    $26.35
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit #6 Straight Male Insert AC Fitting With O-Ring

    BESTfit #6 Straight Male Insert AC Fitting With O-Ring

    BESTFIT TRUCK PARTS

    $2.75
    BESTfit Universal Air Conditioner Refrigerant Hose Fitting* High Quality A/C Fitting* Universal * Number 6 Straight Male* Insert O-Ring* Sold Individually* Warranty On A/C Fitting Against Defects In...
    09-0702081
    SKU:
    09-0702081
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $2.75
    Qty in Cart: 0
    Price:
    $2.75
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 1/2 Inch ID Nylon Fiber Reinforced Premium Heater Hose

    BESTfit 1/2 Inch ID Nylon Fiber Reinforced Premium Heater Hose

    BESTFIT TRUCK PARTS

    $6.52
    BESTfit Premium Heater Hose Nylon Fiber ReinforcedDo you have a project requiring 1/2 inch heater hose? 4 State Trucks has what you need including 1/2 inch silicone heater hose with 1-ply nylon fiber...
    09-0702049
    SKU:
    09-0702049
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $6.52
    Qty in Cart: 0
    Price:
    $6.52
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 3/4 Inch OD Nylon Fiber Reinforced Premium Heater Hose

    BESTfit 3/4 Inch OD Nylon Fiber Reinforced Premium Heater Hose

    BESTFIT TRUCK PARTS

    $6.52
    BESTfit Premium Heater Hose Nylon Fiber ReinforcedAre you in the market for heater hose? Let 4 State Trucks assist you with finding the hose you need including 3/4 inch silicone premium heater hose...
    09-0702048
    SKU:
    09-0702048
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $6.52
    Qty in Cart: 0
    Price:
    $6.52
    Subtotal:
  • BESTfit York Style AC Compressor Clutch With 1 Groove

    BESTfit York Style AC Compressor Clutch With 1 Groove

    BESTFIT TRUCK PARTS

    $209.99
    BESTfit AC Clutch Single Groove York Style* High Quality AC Clutch* York Style* 6 Inch Diameter* 1 Groove* 2 Wire* 12 Volt* Sold Individually* Warranty On AC Clutches Against Defects In Workmanship &...
    09-0700159
    SKU:
    09-0700159
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $209.99
    Qty in Cart: 0
    Price:
    $209.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Interior Fresh Air Filter For Peterbilt

    Interior Fresh Air Filter For Peterbilt

    CAB FRESH FILTER CO.

    $22.07
    Peterbilt Interior Fresh Air Filter AssemblyKeep the inside of your cab fresh with this aftermarket interior filter from CAB Fresh. This filter features internal antimicrobials that stops mold...
    01-1503026
    SKU:
    01-1503026
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Cloth
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $22.07
    Qty in Cart: 0
    Price:
    $22.07
    Subtotal:
  • FREE SHIPPING OVER $249
    Cab Fresh Replacement Filter For Peterbilt

    Cab Fresh Replacement Filter For Peterbilt

    CAB FRESH FILTER CO.

    $17.91
    Interior Replacement Filter Fits PeterbiltFind aftermarket CAB Fresh replacement air filters for your Peterbilt at 4 State Trucks. It mounts under the dash in the interior of your cab and features...
    01-1503019
    SKU:
    01-1503019
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Cloth
    Make:
    Peterbilt
    Product Type:
    Interior
    $17.91
    Qty in Cart: 0
    Price:
    $17.91
    Subtotal:
  • FREE SHIPPING OVER $249
    Interior Cab Fresh Air Filter For Peterbilt 330, 335, 340, 357, 367, 377, 378, 379, 385 & 386

    Interior Cab Fresh Air Filter For Peterbilt 330, 335, 340, 357, 367, 377, 378, 379, 385 & 386

    CAB FRESH FILTER CO.

    $46.73
    Peterbilt Cab Fresh Air FilterThis air filter is easy to install under the dash. Just slide it into the existing OEM track located by the passenger door. Follow these simple steps, and you'll have it...
    01-1503018
    SKU:
    01-1503018
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Cloth
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $46.73
    Qty in Cart: 0
    Price:
    $46.73
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome AC Dash Vent For Peterbilt

    Chrome AC Dash Vent For Peterbilt

    UNITED PACIFIC

    $7.78
    Chrome A/C Dash Vent Fits Peterbilt 200 SeriesDo You Need An Aftermarket Vent For Your 2006 Or Newer Peterbilt? 4 State Trucks Offers Chrome-Plated Dash Vents By United Pacific To Replace Your...
    01-1503010
    SKU:
    01-1503010
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $7.78
    Qty in Cart: 0
    Price:
    $7.78
    Subtotal:
  • BESTfit 3.25 X 5.75 Inch Steel Blower Motor Wheel Replaces HC0400-01S, P93CAB0400-01S For Peterbilt 300 Series

    BESTfit 3.25 X 5.75 Inch Steel Blower Motor Wheel Replaces HC0400-01S, P93CAB0400-01S For Peterbilt 300 Series

    BESTFIT TRUCK PARTS

    $36.40
    Clockwise Rotating, Blower Wheel With 5/16 Inch Hub Bore Diameter & Hub Inset By BESTfitRestore reliable HVAC performance in your Peterbilt 379, 389, or other compatible Peterbilt models with this...
    01-150300007
    SKU:
    01-150300007
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Diameter Options:
    5 3/4 Inch
    Width Options:
    3 1/4 Inch
    $36.40
    Qty in Cart: 0
    Price:
    $36.40
    Subtotal:
  • BESTfit 7.5 X 10.5 X 1.75 Inch Framed Foam Cabin Air Filter Replaces 5X010007, 18-04345 For Peterbilt 300 Series

    BESTfit 7.5 X 10.5 X 1.75 Inch Framed Foam Cabin Air Filter Replaces 5X010007, 18-04345 For Peterbilt 300 Series

    BESTFIT TRUCK PARTS

    $33.59
    BESTfit Framed Foam Cabin Air Filter Fits Peterbilt 300 Series 1998-2007* High Quality Cabin Air Filter* Framed Foam Filter* Dimensions:  - 10.50 Inch Length  - 7.50 Inch Height  - 1.75 Inch Thick*...
    01-150300004
    SKU:
    01-150300004
    Height Options:
    7 Inch
    Width Options:
    1 Inch
    Truck Class:
    Heavy Duty
    Length Options:
    10 Inch
    Make:
    Peterbilt
    Product Type:
    Interior
    $33.59
    Qty in Cart: 0
    Price:
    $33.59
    Subtotal:
  • Cab Air Pre-Filter 1/8 Thick - Black For Peterbilt 378, 379, 377, 386, 388 & 389/Glider

    Cab Air Pre-Filter 1/8 Thick - Black For Peterbilt 378, 379, 377, 386, 388 & 389/Glider

    FREEDOM AIR FILTERS

    $54.99
    Black 1/8 Thick Fresh Air Filter Pre-FilterProtect your cab ventilation system with this high-quality black cab air pre-filter designed for Peterbilt 379, 378, 377, 386, 388, and 389 trucks. Crafted...
    01-091313
    SKU:
    01-091313
    Truck Class:
    Heavy Duty
    Color:
    Black
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    Product Type:
    Interior
    Position:
    Passenger Side
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Cab Fresh Replacement Filter For Peterbilt 357, 377, 378, 379 & 386

    Cab Fresh Replacement Filter For Peterbilt 357, 377, 378, 379 & 386

    CAB FRESH FILTER CO.

    $17.57
    Replacement Air FilterFind aftermarket CAB Fresh replacement filters for Peterbilt 375, 377 and 379 big rigs at 4 State Trucks. This filter limits the amount of diesel soot, reduces odors entering...
    01-091304
    SKU:
    01-091304
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Cloth
    Make:
    Peterbilt
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $17.57
    Qty in Cart: 0
    Price:
    $17.57
    Subtotal:
  • FREE SHIPPING OVER $249
    CAB Fresh Chrome Exterior Cab Air Filter Assembly W/ Hardware For Peterbilt 357, 377, 378, 379 & 386

    CAB Fresh Chrome Exterior Cab Air Filter Assembly W/ Hardware For Peterbilt 357, 377, 378, 379 & 386

    CAB FRESH FILTER CO.

    $43.85
    Exterior Cab Air Filter AssemblyThis Chrome Exterior Cab Air Filter Assembly is ideal for keeping your truck's cab air fresh. Just place it behind the hood latch on the outside passenger side. You...
    01-091303
    SKU:
    01-091303
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Interior
    Position:
    Passenger Side
    Finish Options:
    Chrome-Plated
    $43.85
    Qty in Cart: 0
    Price:
    $43.85
    Subtotal:
  • Peterbilt 1998-2011 Heater Core Replaces 3X010005 By BESTfit

    Peterbilt 1998-2011 Heater Core Replaces 3X010005 By BESTfit

    BESTFIT TRUCK PARTS

    $304.99
    BESTfit Heater Core Fits PeterbiltThe BESTfit Heater Core is a premium replacement part designed for Peterbilt trucks from 1998 to 2011, which require 5/8 to 3/4 bushings. This high-quality heater...
    01-070037
    SKU:
    01-070037
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $304.99
    Qty in Cart: 0
    Price:
    $304.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit AC Expansion Valve Replaces 3S011516 For Peterbilt 389

    BESTfit AC Expansion Valve Replaces 3S011516 For Peterbilt 389

    BESTFIT TRUCK PARTS

    $24.65
    BESTfit AC Expansion Valve Fits Peterbilt 389The BESTfit AC Expansion Valve is a high-quality replacement designed to fit Peterbilt 389 models, effectively replacing OEM part number 3S011516. This...
    01-070036
    SKU:
    01-070036
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $24.65
    Qty in Cart: 0
    Price:
    $24.65
    Subtotal:
  • FREE SHIPPING
    BESTfit AC Evaporator 10.98 X 10.86 X 2.5 Inch Replaces 4712104, 3X010018 For Peterbilt

    BESTfit AC Evaporator 10.98 X 10.86 X 2.5 Inch Replaces 4712104, 3X010018 For Peterbilt

    BESTFIT TRUCK PARTS

    $289.99
    AC Evaporator W/ .53 Inch Inlet & .63 Inch Outlet By BESTfit Replaces 4712104, 3X010018This Universal Air Conditioner Evaporator Core is built to OEM specifications, ensuring a perfect fit and...
    01-070025
    SKU:
    01-070025
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $289.99
    Qty in Cart: 0
    Price:
    $289.99
    Subtotal:
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Adding your products to cart

When you're logging long hours on the road, a dependable climate control system isn’t a luxury—it’s a necessity. Keep your Peterbilt 386 cool in the summer and warm in the winter with high-quality aftermarket Heat & AC parts built to last. Whether you’re fixing a weak heater or upgrading your A/C system, we’ve got the components that fit right and perform mile after mile.

Find Replacement Heating & AC Components for Your Pete 386 Model

Our Peterbilt 386 HVAC parts are engineered to OEM specs, so you get the performance you expect with the fit you need. Choose from: - Cabin air filters and blower motors - AC compressors, evaporators, and condensers - Heater cores and control valves - Expansion valves and pressure switches - Resistors, relays, and sensor replacements No matter the issue, we have the parts to get your system back in working order quickly and affordably. Don’t just prevent yourself from overheating in the driver’s seat; our replacement engine cooling parts can help prevent your rig from overheating on the road. We stock parts from trusted aftermarket brands known for durability and consistent performance. These components are made to handle the demands of daily driving and extreme weather—so your cab stays comfortable, no matter what.

Why Upgrade or Replace HVAC Components?

- Prevent breakdowns and avoid costly repairs down the line - Improve airflow and temperature control for better driver comfort - Remove odors and dust with fresh filters - Boost resale value with a fully functioning climate system

Upgrade Your Ride at 4 State Trucks

Each part in this product lineup is made specifically for the Peterbilt 386, ensuring an easy install and reliable performance. You can also add some style to your interior cab with our aftermarket Peterbilt 386 dashboard accessories. Whether you're a fleet owner or an owner-operator, our heat and AC components are built to keep your truck road-ready and comfortable.

Frequently Asked Questions About Peterbilt 386 Heat & AC Parts

What model years are these heat and AC parts compatible with for the Peterbilt 386?

Our heat and AC parts are designed for Peterbilt 386 trucks manufactured from 2005 to 2015. Most components, including blower motors, evaporator cores, and heater cores, are direct replacements for these model years. However, some parts may have mid-year changes, so we recommend checking your OEM or contacting us with your specific truck details to ensure proper fitment.

How difficult is it to replace the heater core or evaporator in my Peterbilt 386?

Replacing the heater core typically requires 4-6 hours of labor and involves removing the dash panel and HVAC box. The evaporator replacement is more complex, usually taking 6-8 hours, as it requires evacuating the AC system and accessing components behind the firewall. While experienced mechanics can handle these repairs, we recommend professional installation for evaporator work due to the need for proper refrigerant handling and system recharging.

Are aftermarket HVAC parts as reliable as OEM for my Peterbilt 386?

Quality aftermarket parts from reputable manufacturers like Red Dot, Bergstrom, and Aurora often match or exceed OEM specifications. These parts typically feature aluminum cores with enhanced fin density for better heat transfer and come with warranties ranging from 1-2 years. The main difference is usually the price, with aftermarket options costing 30-50% less than OEM while maintaining comparable performance and longevity.

What are the most common signs that my Peterbilt 386 needs AC or heater repairs?

Common indicators include weak airflow from vents (often a failing blower motor), sweet smell or foggy windows (leaking heater core), insufficient cooling despite proper refrigerant levels (clogged evaporator or failing compressor), and water on the passenger floor (blocked evaporator drain or leaking core). Addressing these issues promptly prevents more extensive damage to your HVAC system.

Do I need special tools to work on my Peterbilt 386's HVAC system?

Basic repairs like blower motor replacement require standard hand tools. However, AC system work requires specialized equipment including refrigerant recovery machines, vacuum pumps, manifold gauge sets, and leak detectors. You'll also need the correct refrigerant type (typically R134a for these model years) and proper EPA certification for handling refrigerants. Heater core replacement requires trim removal tools to avoid damaging interior panels.


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