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Kenworth Cabover CAC Clamps, Boots & Hoses

Find Premium Quality CAC Component Replacements

If your Kenworth cabover feels sluggish or struggles to hold boost, the problem often starts in the CAC system. CAC clamps, boots, and hoses carry cooled, pressurized air from the turbo to the engine. When they fail, power drops immediately—and so does fuel efficiency. This isn’t a comfort issue. It’s a money issue.

Why CAC Integrity Matters on a Kenworth Cabover

A leaking CAC boot doesn’t just vent air. It vents boost. Throttle response slows. Hill pulls weaken. Fuel burn rises just to maintain speed. Worse, a boost leak creates a rich air-to-fuel mix. That imbalance produces excess soot, which loads the DPF faster and increases the risk of an engine derate. One weak hose can put your truck in limp mode and park you on the shoulder. Replacing worn CAC components early is far cheaper than emissions repairs or lost run time. Oil Is the Silent Killer: Heat and vibration wear CAC parts over time, but oil is what finishes them off. Turbo oil mist slowly softens silicone boots. They swell. They lose structure. Then they blow under pressure. High-quality CAC boots for Kenworth cabovers are built with oil-resistant silicone liners to prevent soft spots, swelling, and sudden failures under load. If your boots feel spongy or look oil-soaked, they’re already on borrowed time. Clamps Are Not Optional Hardware: Clamps are the foundation of boost pressure. Weak or stretched clamps allow hoses to shift under PSI. That leads to leaks, blow-offs, and uneven sealing. Even worse, a loose connection can pull unfiltered air into the intake. Dust and grit inside the engine cause permanent damage. That’s how engines get dusted. Heavy-duty T-bolt CAC clamps provide the clamping force needed to keep hoses locked down under high boost and constant vibration—especially critical on older cabover platforms.

Warning Signs Your CAC System Is Failing

Don’t wait for a tow. Check for these during pre-trip inspections: Audible hissing or whistling under acceleration. Oil residue or grime on silicone boots. Low boost readings on the dash. More frequent DPF regens than normal. Catching one bad boot early can save thousands in downtime and repairs. Our ilneup of Kenworth cabover CAC clamps, boots, and hoses are designed for real-world hauling. They handle heat. They handle vibration. They hold boost
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    3/4 Inch EPDM Rubber Coolant Hose

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    09-0702010
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    09-0702010
    Truck Class:
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    $5.39
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    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

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

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    $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
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    09-070117
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    $66.99
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    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

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    $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
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    09-070131
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    Heavy Duty Silicone Coolant Hose - Sold By Foot

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    $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
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    PPR_202716
    Truck Class:
    Heavy Duty
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    Universal Items
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    $2.57 - $2.85
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    BESTfit Heavy Duty Hump Hoses

    BESTfit Heavy Duty Hump Hoses

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    $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
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    PPR_202715
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    Universal Items
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    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
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    PPR_202713
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Silicone
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    Engine Parts
    Ready To Ship:
    Yes
    $39.63 - $41.40
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    BESTfit 90 Degree Silicone Coolant Hose Elbow

    BESTfit 90 Degree Silicone Coolant Hose Elbow

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    $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
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    Universal Items
    Material Options:
    Silicone
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    Yes
    $37.55 - $131.99
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    BESTfit Stainless Steel T-Bolt Clamp For Charge Air Coolers

    BESTfit Stainless Steel T-Bolt Clamp For Charge Air Coolers

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    $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
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    $8.54 - $31.20
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    BESTfit 3 Inch To 2.5 Inch Silicone Coolant Hose Reducer

    BESTfit 3 Inch To 2.5 Inch Silicone Coolant Hose Reducer

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    $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:
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    $37.44
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    BESTfit 2.5 Inch Flexible Coolant Hose

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    $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
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    Engine Parts
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    Yes
    $94.99
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    $94.99
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    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

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    $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:
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    $452.99
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    BESTfit Coolant Hose 90 Degree

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    $78.99
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    09-0702044
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    09-0702044
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    Heavy Duty
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    Universal Items
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    $78.99
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    $145.99
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    09-070200007
    SKU:
    09-070200007
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $145.99
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  • BESTfit Blue Silicone Heater Hose - .75 Inch ID X 25 Feet

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    $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:
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    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
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    Yes
    $95.99
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    $95.99
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  • BESTfit Blue Silicone Heater Hose - 0.625 Inch ID X 25 Feet

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    $71.99
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    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
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    $71.99
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  • BESTfit Blue Silicone Heater Hose - 0.5 Inch ID X25 Feet

    BESTfit Blue Silicone Heater Hose - 0.5 Inch ID X25 Feet

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    $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
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    $81.99
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  • BESTfit Blue Silicone Heater Hose - 0.25 Inch ID X 25 Feet

    BESTfit Blue Silicone Heater Hose - 0.25 Inch ID X 25 Feet

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    $55.99
    BESTfit Blue Silicone Heater Hose - 0.25 Inch ID X 25 Foot* High Quality Heater Hose* Silicone * Blue * 0.25 I.D. * 25 Feet * Sold Individually * Warranty On Heater Hose Against Defects In...
    09-070200002
    SKU:
    09-070200002
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
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    BESTfit 2.5 To 2 Inch X 6 Inch Silicone Coolant Hose

    BESTfit 2.5 To 2 Inch X 6 Inch Silicone Coolant Hose

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    $32.24
    BESTfit 2.5 To 2 Inch X 6 Inch Silicone Coolant Hose* High Quality Silicone Coolant Hose* 2.5 Inch To 2 inch Diameter* 6 Inches Long* Can Be Used For CAC Hose* Temp Range -65F To +500F* Sold...
    09-070126
    SKU:
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    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $32.24
    Qty in Cart: 0
    Price:
    $32.24
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    BESTfit 3.75 Inch X 3 Foot Charge Air Cooler Hose

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    Now: $45.76
    Was: $194.99
    BESTfit Charge Air Cooler Hose* High Quality Charge Air Cooler Hose* 3.75 Inch ID x 3 Foot* Sold Individually* Warranty On Charge Air Cooler Hoses Against Defects In Workmanship & Material From Date...
    09-070121
    SKU:
    09-070121
    Truck Class:
    Light Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Now: $45.76
    Was: $194.99
    Qty in Cart: 0
    Price:
    Now: $45.76
    Was: $194.99
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Adding your products to cart

Find Premium Quality CAC Component Replacements

If your Kenworth cabover feels sluggish or struggles to hold boost, the problem often starts in the CAC system. CAC clamps, boots, and hoses carry cooled, pressurized air from the turbo to the engine. When they fail, power drops immediately—and so does fuel efficiency. This isn’t a comfort issue. It’s a money issue.

Why CAC Integrity Matters on a Kenworth Cabover

A leaking CAC boot doesn’t just vent air. It vents boost. Throttle response slows. Hill pulls weaken. Fuel burn rises just to maintain speed. Worse, a boost leak creates a rich air-to-fuel mix. That imbalance produces excess soot, which loads the DPF faster and increases the risk of an engine derate. One weak hose can put your truck in limp mode and park you on the shoulder. Replacing worn CAC components early is far cheaper than emissions repairs or lost run time. Oil Is the Silent Killer: Heat and vibration wear CAC parts over time, but oil is what finishes them off. Turbo oil mist slowly softens silicone boots. They swell. They lose structure. Then they blow under pressure. High-quality CAC boots for Kenworth cabovers are built with oil-resistant silicone liners to prevent soft spots, swelling, and sudden failures under load. If your boots feel spongy or look oil-soaked, they’re already on borrowed time. Clamps Are Not Optional Hardware: Clamps are the foundation of boost pressure. Weak or stretched clamps allow hoses to shift under PSI. That leads to leaks, blow-offs, and uneven sealing. Even worse, a loose connection can pull unfiltered air into the intake. Dust and grit inside the engine cause permanent damage. That’s how engines get dusted. Heavy-duty T-bolt CAC clamps provide the clamping force needed to keep hoses locked down under high boost and constant vibration—especially critical on older cabover platforms.

Warning Signs Your CAC System Is Failing

Don’t wait for a tow. Check for these during pre-trip inspections: Audible hissing or whistling under acceleration. Oil residue or grime on silicone boots. Low boost readings on the dash. More frequent DPF regens than normal. Catching one bad boot early can save thousands in downtime and repairs. Our ilneup of Kenworth cabover CAC clamps, boots, and hoses are designed for real-world hauling. They handle heat. They handle vibration. They hold boost.

Frequently Asked Questions About Kenworth Cabover CAC Clamps, Boots & Hoses

What does "CAC" mean in this category?

CAC stands for Charge Air Cooler, which is part of your truck's turbocharged intake system. The clamps, boots, and hoses in this category connect the turbocharger to the charge air cooler and then to the intake manifold, allowing cooled, compressed air to flow into the engine efficiently.

How do I know if a CAC boot or hose is compatible with my Kenworth cabover model?

Fit can vary by Kenworth cabover model year and engine configuration, so it is important to check the listed specifications, including diameter, length, and bend angle, against your truck's existing part before ordering. If you are unsure, having your VIN or engine model on hand when contacting our parts team can help confirm the correct fit.

What are common signs that a CAC boot, hose, or clamp needs to be replaced?

Cracking, dry rot, soft spots, or visible separation in the rubber boots and hoses are common warning signs. Loss of boost pressure, a noticeable drop in engine performance, or a hissing sound near the intake system can also indicate a failing clamp, boot, or hose that is no longer sealing properly.

What materials are these clamps, boots, and hoses typically made from?

Boots and hoses in this category are generally made from durable, heat and oil resistant rubber or silicone blends designed to withstand engine bay conditions. Clamps are typically constructed from stainless steel or zinc-plated steel to resist corrosion and maintain a secure, long-lasting seal under the vibration and heat cycles of daily operation.

Can I install these parts myself, or do I need a professional?

Many drivers and fleet technicians replace CAC clamps, boots, and hoses themselves, since the job typically involves loosening the old clamps, removing the worn boot or hose, and securing the new component in its place. That said, if your cabover requires tilting for access or if you are unfamiliar with the intake system layout, having a qualified technician handle the installation can help ensure a proper seal and avoid boost leaks.


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