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Peterbilt 379 CAC Clamps, Boots & Hoses

Elevate your truck with our selection of aftermarket Peterbilt 379 CAC clamps, boots, and hoses. Discover a range of charge air cooler accessories. Upgrade your ride with our high-quality replacement options today.
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  • BESTfit 4-4.5 Inch Stainless Steel Charge Air Cooler Tube For Peterbilt 357, 377, 378 & 379- Driver Side

    BESTfit 4-4.5 Inch Stainless Steel Charge Air Cooler Tube For Peterbilt 357, 377, 378 & 379- Driver Side

    BESTFIT TRUCK PARTS

    $444.99
    Driver Side 4-4.5 Inch 304 Stainless Steel Charge Air Cooler Tube By BESTFit Replaces 05-18823Replace your driver-side charge air tube with the BESTfit 4-4.5 Inch Stainless Steel Charge Air Cooler...
    01-070100004
    SKU:
    01-070100004
    Style Options:
    Elbow Multi-Bend
    Diameter Options:
    4 1/2 Inch
    Product Type:
    Engine Parts
    Position:
    Driver Side
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    $444.99
    Qty in Cart: 0
    Price:
    $444.99
    Subtotal:
  • 4.5 X 6 Inch Red Poly CAC Connector/Terminal Hose Replaces 7742, HE8709 For Kenworth & Peterbilt

    4.5 X 6 Inch Red Poly CAC Connector/Terminal Hose Replaces 7742, HE8709 For Kenworth & Peterbilt

    AFTERMARKET

    $82.99
    4.5 X 6 Inch Red Poly CAC Connector/Terminal Hose Replaces 7742, HE8709When your turbo system needs a connector hose built for the toughest operating conditions, this 4.5 x 6 Inch Red Poly CAC hose...
    29-07010001
    SKU:
    29-07010001
    Length Options:
    6 Inch
    Color:
    Red
    Material Options:
    Silicone
    Product Type:
    Engine Parts
    Diameter Options:
    4 1/2 Inch
    Make:
    Peterbilt
    Make:
    Kenworth
    $82.99
    Qty in Cart: 0
    Price:
    $82.99
    Subtotal:
  • FREE SHIPPING OVER $249
    3/4 Inch EPDM Rubber Coolant Hose

    3/4 Inch EPDM Rubber Coolant Hose

    BESTFIT TRUCK PARTS

    $5.39
    EPDM Rubber Heater Hose Sold By The Foot* High Quality Coolant Hose* Made Of Rubber* 3/4 ID * Sold By Foot* Warranty On Coolant Hose Against Defects In Workmanship & Material From Date Of Purchase***...
    09-0702010
    SKU:
    09-0702010
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $5.39
    Qty in Cart: 0
    Price:
    $5.39
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

    BESTFIT TRUCK PARTS

    $76.99
    Red Hump Hose Reducer For Hot Side By BESTfitProtect your turbo system with the BESTfit Hot Side Charge Air Intake Hump Hose, made from high-quality silicone for maximum heat resistance and...
    09-070111
    SKU:
    09-070111
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • BESTfit 4.5 ID X 4 ID X 7 Inch Charge Air Intake Hump Hose Reducer Hot Side

    BESTfit 4.5 ID X 4 ID X 7 Inch Charge Air Intake Hump Hose Reducer Hot Side

    BESTFIT TRUCK PARTS

    $66.99
    Hot Side 4.5 ID X 4 ID X 7 Inch Charge Air Intake Hump Hose Reducer By BESTfit* High Quality Hump Hose* Made Of Silicone Hose* 4 Inch ID x 4.5 Inch ID x 7 Inch Length* For Hot Side Hook Up To Charge...
    09-070117
    SKU:
    09-070117
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $66.99
    Qty in Cart: 0
    Price:
    $66.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 3.5 X 3 X 5 Inch Charge Air Intake Hump Hose Reducer

    BESTfit 3.5 X 3 X 5 Inch Charge Air Intake Hump Hose Reducer

    BESTFIT TRUCK PARTS

    $47.85
    3.5 X 3 X 5 Inch Charge Air Intake Hump Hose Reducer By BESTfitThis 4-layer silicone-coated fabric, reinforced with stainless steel rings, is designed for tough diesel truck engines. It works in...
    09-070131
    SKU:
    09-070131
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $47.85
    Qty in Cart: 0
    Price:
    $47.85
    Subtotal:
  • FREE SHIPPING
    BESTfit 2.5 Inch Upper Coolant Tube Replaces 07-05831 For Peterbilt 357, 377, 378, 379 W/ Detroit 60 12L Or 14L Engine

    BESTfit 2.5 Inch Upper Coolant Tube Replaces 07-05831 For Peterbilt 357, 377, 378, 379 W/ Detroit 60 12L Or 14L Engine

    BESTFIT TRUCK PARTS

    $249.99
    2.5 Inch Upper Coolant Tube Fits Peterbilt 357, 377, 378 & 379 W/ Detroit 60 12L Or 14L EngineRestore your truck's cooling efficiency with this BESTfit 2.5 Inch Upper Coolant Tube, designed to...
    01-070200013
    SKU:
    01-070200013
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Peterbilt
    $249.99
    Qty in Cart: 0
    Price:
    $249.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    Heavy Duty Silicone Coolant Hose - Sold By Foot

    Heavy Duty Silicone Coolant Hose - Sold By Foot

    BESTFIT TRUCK PARTS

    $2.57 - $2.85
    Designed for demanding cooling system applications, the BESTfit heavy-duty silicone coolant hose offers a dependable solution. This aftermarket replacement hose is constructed from quality silicone...
    PPR_202716
    SKU:
    PPR_202716
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $2.57 - $2.85
    Qty in Cart: 0
    Price:
    $2.57 - $2.85
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Heavy Duty Hump Hoses

    BESTfit Heavy Duty Hump Hoses

    BESTFIT TRUCK PARTS

    $45.77 - $82.99
    Improve your charge air system with the gray silicone hump hose for charge air coolers from BESTfit. Built from durable silicone with a thicker wall than standard hump hoses, this aftermarket...
    PPR_202715
    SKU:
    PPR_202715
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $45.77 - $82.99
    Qty in Cart: 0
    Price:
    $45.77 - $82.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 45 Degree Silicone Coolant Hose Elbow

    BESTfit 45 Degree Silicone Coolant Hose Elbow

    BESTFIT TRUCK PARTS

    $39.63 - $41.40
    Maintain your cooling system with the BESTfit 45-degree silicone coolant hose elbow. This aftermarket replacement hose features durable blue silicone construction and a 45-degree bend designed to...
    PPR_202713
    SKU:
    PPR_202713
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Silicone
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $39.63 - $41.40
    Qty in Cart: 0
    Price:
    $39.63 - $41.40
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 90 Degree Silicone Coolant Hose Elbow

    BESTfit 90 Degree Silicone Coolant Hose Elbow

    BESTFIT TRUCK PARTS

    $37.55 - $131.99
    Designed for demanding engine environments, the BESTfit 90 Degree Silicone Coolant Hose Elbow offers a dependable solution. This high-quality aftermarket replacement hose is constructed from durable...
    PPR_202712
    SKU:
    PPR_202712
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Silicone
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $37.55 - $131.99
    Qty in Cart: 0
    Price:
    $37.55 - $131.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Stainless Steel T-Bolt Clamp For Charge Air Coolers

    BESTfit Stainless Steel T-Bolt Clamp For Charge Air Coolers

    BESTFIT TRUCK PARTS

    $8.54 - $31.20
    Prevent leaks and maintain peak airflow in your charge air cooler system with the BESTfit Stainless Steel Heavy Duty T-Bolt Clamp, designed for sizes from 3.562 - 3.875 Inch up to 7 - 7.5 Inch. Made...
    PPR_202710
    SKU:
    PPR_202710
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $8.54 - $31.20
    Qty in Cart: 0
    Price:
    $8.54 - $31.20
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 3 Inch To 2.5 Inch Silicone Coolant Hose Reducer

    BESTfit 3 Inch To 2.5 Inch Silicone Coolant Hose Reducer

    BESTFIT TRUCK PARTS

    $37.44
    BESTfit 3 Inch To 2.5 Inch Silicone Coolant Hose Reducer* High Quality Coolant Hose* 3.00 ID To 2.50 ID* Silicone* 3.00 ID X 2.50 ID X 6 L* Sold Individually* Warranty On Coolant Hose Against Defects...
    09-0702077
    SKU:
    09-0702077
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Silicone
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $37.44
    Qty in Cart: 0
    Price:
    $37.44
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 2.5 Inch Flexible Coolant Hose

    BESTfit 2.5 Inch Flexible Coolant Hose

    BESTFIT TRUCK PARTS

    $94.99
    BESTfit Flexible Coolant Hose* High Quality Coolant Hose* Specialty Hose* 2.50 Inch Inside Diameter* 2.82 Inch Outside Diameter* 8.50 Inch Length* Has Stainless Steel Reinforcement Rings* Once...
    09-0702047
    SKU:
    09-0702047
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $94.99
    Qty in Cart: 0
    Price:
    $94.99
    Subtotal:
  • FREE SHIPPING
    BESTfit Coolant Flex Hose Heavy Duty Silicone 2.5 ID X 36 Inch

    BESTfit Coolant Flex Hose Heavy Duty Silicone 2.5 ID X 36 Inch

    BESTFIT TRUCK PARTS

    $452.99
    BESTfit 2.50 ID X 36 Inch Heavy Duty Silicone Coolant Flex Hose* High Quality Silicone Coolant Hose* 2.50 Inch Inside Diameter - 64MM* 2.92 Inch Outside Diameter - 74MM* 36 Inches Length* 6 Inch Bend...
    09-0702045
    SKU:
    09-0702045
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $452.99
    Qty in Cart: 0
    Price:
    $452.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Coolant Hose 90 Degree

    BESTfit Coolant Hose 90 Degree

    BESTFIT TRUCK PARTS

    $78.99
    BESTfit Coolant Hose 90 Degree* High Quality Coolant Hose* 90 Degree* 2.5 Inch ID x 10 Inch* 2.920 Inch OD* Tighter Bend Radius Than Most Other Elbows* Temeperature Range Is -65F To +350 F Degrees*...
    09-0702044
    SKU:
    09-0702044
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $78.99
    Qty in Cart: 0
    Price:
    $78.99
    Subtotal:
  • BESTfit Blue Silicone Heater Hose - 1 Inch ID X 25 Feet

    BESTfit Blue Silicone Heater Hose - 1 Inch ID X 25 Feet

    BESTFIT TRUCK PARTS

    $145.99
    BESTfit Blue Silicone Heater Hose - 1 Inch ID X 25 Feet* High Quality Heater Hose* Made Of Silicone* Blue* Dimensions:  - 1 Inch Inner Diameter   - 25 Feet* Sold Individually* Warranty On Heater Hose...
    09-070200007
    SKU:
    09-070200007
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $145.99
    Qty in Cart: 0
    Price:
    $145.99
    Subtotal:
  • BESTfit Blue Silicone Heater Hose - .75 Inch ID X 25 Feet

    BESTfit Blue Silicone Heater Hose - .75 Inch ID X 25 Feet

    BESTFIT TRUCK PARTS

    $95.99
    Blue Silicone Heater Hose - 0.75 Inch ID X 25 Feet* High Quality Heater Hose* Made Of Silicone* Blue* Dimensions:  - 0.750 Inch ID   - 25 Feet* Sold Individually* Warranty On Heater Hose Against...
    09-070200006
    SKU:
    09-070200006
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $95.99
    Qty in Cart: 0
    Price:
    $95.99
    Subtotal:
  • BESTfit Blue Silicone Heater Hose - 0.625 Inch ID X 25 Feet

    BESTfit Blue Silicone Heater Hose - 0.625 Inch ID X 25 Feet

    BESTFIT TRUCK PARTS

    $71.99
    BESTfit Blue Silicone Heater Hose - 0.625 Inch ID X 25 Foot* High Quality Heater Hose* Made Of Silicone* Blue* Dimensions:  - 0.625 Inch ID   - 25 Feet* Sold Individually* Warranty On Heater Hose...
    09-070200005
    SKU:
    09-070200005
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • BESTfit Blue Silicone Heater Hose - 0.5 Inch ID X25 Feet

    BESTfit Blue Silicone Heater Hose - 0.5 Inch ID X25 Feet

    BESTFIT TRUCK PARTS

    $81.99
    BESTfit Blue Silicone Heater Hose - 0.5 Inch ID X 25 Foot* High Quality Heater Hose * Silicone* Blue * 0.500 Inch I.D.* 25 Feet* Sold Individually * Warranty On Heater Hose Against Defects In...
    09-070200004
    SKU:
    09-070200004
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $81.99
    Qty in Cart: 0
    Price:
    $81.99
    Subtotal:
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Adding your products to cart

Shop Peterbilt 379 Air Intake Pipes, Turbo Hoses & CAC Boots

Investing in high-quality aftermarket replacement parts like Charge Air Cooler (CAC) Clamps, Boots & Hoses for your Peterbilt 379 truck can help to maximize boost pressure and protect your engine. As a professional truck driver, you know your charge air cooler (CAC) system does more than just cool air it keeps your engine performing at its best. Our line of aftermarket CAC clamps, boots, and hoses is built to help you maintain peak boost pressure, reduce downtime, and extend the life of your turbocharged diesel engine. Whether you're an owner-operator, a fleet manager, or a semi-truck shop mechanic, these parts are essential to keeping your 379's airflow system sealed, secure, and running smooth.

Why Buy Quality CAC Replacement Parts?

- Prevent Boost Leaks: A single tear in a charge air cooler boot or a loose clamp can rob your engine of power. Our CAC clamps and turbo boots maintain a reliable seal, even under high RPMs and extreme heat. - Protect the Turbo: Boost leaks force the turbo to work harder. Over time, this leads to premature failure. Lock down your system with T-bolt clamps, reinforced air to air boots, and heavy-duty CAC hoses. - Boost Fuel Economy: Keeping your charge air system sealed helps your engine burn fuel more efficiently. That means more miles per gallon and fewer fuel stops. - Improve Engine Reliability: With secure, leak-free connections, your Peterbilt 379 high performance charge air cooler can do its job delivering colder, denser air for maximum torque and horsepower. - Cut Downtime: A blown boot or leaking CAC pipe can and will take your truck off the road. Reliable boot kits, coolant tubes, and clamps help prevent roadside headaches. These parts are built for heavy use. From daily hauls to cross-country runs, our CAC components are designed to take the abuse. Choose from: - Silicone coolant hoses with high heat resistance. - Peterbilt 379 AC lines to integrate cooling system efficiency. - Heater hoses for consistent cab comfort. - Coolant tubes and pipe fittings for complete airflow and cooling integration. - Mount-ready clamps to match your existing Peterbilt 379 air intake pipe setups. We also carry hump hoses for tricky connections where flexibility is key especially when aligning offset or angled pipes in tight engine bays.

Shop Peterbilt 379 CAC Solution Kits & Individual Components

Eliminate boost leaks and restore engine efficiency with our heavy-duty Charge Air Cooler (CAC) components. Engineered specifically for the Peterbilt 379, these high-performance replacements outperform OEM standards in high-heat and high-pressure environments. Select your required Peterbilt 379 air intake and cooling components: - Reinforced Air-to-Air (CAC) Boots: Multi-ply silicone construction designed to maintain a permanent, leak-proof seal under extreme boost pressure. - High-Temp Turbo Hoses: Direct-fit hoses built to transition hot, pressurized air from the turbocharger to the CAC without softening or collapsing. Stainless Steel T-Bolt Clamps: Heavy-duty, corrosion-resistant clamps engineered for high-torque tensioning to prevent boot blow-offs and air loss. Heavy-Duty Hump Hoses: Specialized flexible connectors with built-in expansion joints to absorb engine vibration and prevent pipe fatigue. Replacement Air Intake & CAC Pipes: Mandrel-bent aluminum and steel piping for unrestricted airflow between the turbo, cooler, and intake manifold.

High-Performance Upgrades for Professional Drivers

Don't let a $50 boot lead to a $5,000 turbo failure. Our Peterbilt 379 CAC parts are designed for immediate "drop-in" fitment, reducing shop labor and getting your rig back on the road faster. Direct OEM Fitment: Matches factory dimensions for CAT, Cummins, and Detroit engine configurations in Peterbilt 379 chassis. Extreme Durability: Rated for high-PSI applications and temperature ranges from -65°F to +500°F. In-Stock & Ready to Ship: Minimize downtime with our rapid fulfillment on all boot kits, clamps, and intake tubes.

Frequently Asked Questions About Peterbilt 379 CAC Clamps, Boots & Hoses

What does "CAC" mean, and what do these parts do?

CAC stands for Charge Air Cooler, also known as the intercooler. The clamps, boots, and hoses in this category connect the turbocharger to the charge air cooler and then to the intake manifold, carrying pressurized air through the system. These components need to form a tight, leak-free seal to keep boost pressure where it belongs.

How do I know if my CAC boot or hose needs to be replaced?

Common signs include a noticeable loss of power or fuel economy, a hissing or whistling sound from the engine bay, visible cracking or dry rot on the rubber boot, or a check engine light related to low boost or turbo pressure. Physically inspecting the boots for soft spots, cracks, or separation from the clamps is the most reliable way to confirm a leak.

Are these clamps, boots, and hoses specific to certain engines in the Peterbilt 379?

Yes. The Peterbilt 379 was built with several different engine options over its production run, and CAC hose and boot shapes, diameters, and routing can vary between them. Always check the fitment details listed on each product page and compare against your truck's engine and chassis specs before ordering, since a boot that looks similar may not seal correctly on a different setup.

What material are the boots made from, and does it matter?

CAC boots are typically made from reinforced silicone or rubber compounds designed to handle heat and pressure cycling from the turbo system. Silicone boots generally hold up better to extreme temperatures and long-term flexing than standard rubber, which is worth considering if your truck runs long hours or in harsh conditions.

Do I need any special tools to install a new CAC clamp, boot, or hose?

Most installations only require basic hand tools such as a socket set or screwdriver to loosen and tighten the clamps. Before installing, make sure the mating surfaces on the pipes are clean and free of old sealant or debris, and tighten clamps evenly to manufacturer torque specs to avoid over-tightening, which can crack the boot, or under-tightening, which can cause boost leaks.


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