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Peterbilt 357/378 Clamps, Brackets & Mounting

Keep your exhaust system locked in place while on the road with Peterbilt 357 and 378 exhaust mounting kits and service hardware. Shop Peterbilt exhaust brackets, clamps, and bushings to secure your entire exhaust system today.
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  • Quantity
  • Price
  • Subtotal
  • BESTfit 4 Inch Stainless Steel Exhaust Band Clamp

    BESTfit 4 Inch Stainless Steel Exhaust Band Clamp

    BESTFIT TRUCK PARTS

    $19.08
    BESTfit Stainless Steel 4 Inch Clamp* High Quality Exhaust Clamp* AccuSeal Unistrap* Made Of Stainless Steel* Dimensions:  - 4 Inch Diameter  - 1.25 Inch Width* Made in The USA* Sold Individually*...
    09-080000031
    SKU:
    09-080000031
    Truck Class:
    Universal
    Diameter Options:
    4 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $19.08
    Qty in Cart: 0
    Price:
    $19.08
    Subtotal:
  • Passenger Side Mounting Bracket For Stack Kit by BESTfit

    Passenger Side Mounting Bracket For Stack Kit by BESTfit

    BESTFIT TRUCK PARTS

    $23.16
    BESTfit Mounting Bracket Kit For Passenger Side StacksElevate the stability and appearance of your truck's exhaust with the BESTfit Passenger Side Mounting Bracket for Stack Kit. Crafted with...
    09-080000030
    SKU:
    09-080000030
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $23.16
    Qty in Cart: 0
    Price:
    $23.16
    Subtotal:
  • Driver Side Stack Mounting Bracket For Stack Kit by BESTfit

    Driver Side Stack Mounting Bracket For Stack Kit by BESTfit

    BESTFIT TRUCK PARTS

    $24.35
    BESTfit Mounting Bracket Kit For Driver Side StacksThe BESTfit Driver Side Mounting Bracket for Stack Kit is the ideal choice for truckers looking to enhance their exhaust's aesthetics. This premium...
    09-080000029
    SKU:
    09-080000029
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $24.35
    Qty in Cart: 0
    Price:
    $24.35
    Subtotal:
  • BESTfit 5 Inch Steel V-Band Clamp 186917, 23506159, 186917 For 855 C.I. Cummins Engines With T50 Turbo

    BESTfit 5 Inch Steel V-Band Clamp 186917, 23506159, 186917 For 855 C.I. Cummins Engines With T50 Turbo

    BESTFIT TRUCK PARTS

    $47.71
    BESTfit Steel V-Band Clamp For 855 C.I. Cummins Engines With T50 Turbo* High Quality V-Band Clamp* Turbo to Downpipe Connection* Water Tight Seal* Highly Corrosion Resistant* Made Of Stainless Steel*...
    09-080000028
    SKU:
    09-080000028
    Truck Class:
    Universal
    Style Options:
    Cummins
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    5 Inch
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $47.71
    Qty in Cart: 0
    Price:
    $47.71
    Subtotal:
  • BESTfit 5 Inch Steel V-Band Clamp 52121285AA For H.O. 5.9L Cummins Engines

    BESTfit 5 Inch Steel V-Band Clamp 52121285AA For H.O. 5.9L Cummins Engines

    BESTFIT TRUCK PARTS

    $46.68
    BESTfit Steel V-Band Clamp For H.O. 5.9L Cummins Engines* High Quality V-Band Clamp* Turbo to Downpipe Connection* Water Tight Seal* Highly Corrosion Resistant* Made Of Stainless Steel* Dimensions  -...
    09-080000027
    SKU:
    09-080000027
    Truck Class:
    Universal
    Style Options:
    Cummins
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    5 Inch
    Product Type:
    Exhaust
    $46.68
    Qty in Cart: 0
    Price:
    $46.68
    Subtotal:
  • BESTfit 5 Inch Steel V-Band Clamp 513262 For 6V, 8V92T Detroit Engines

    BESTfit 5 Inch Steel V-Band Clamp 513262 For 6V, 8V92T Detroit Engines

    BESTFIT TRUCK PARTS

    $47.73
    BESTfit Steel V-Band Clamp For 6V, 8V92T Detroit Engines* High Quality V-Band Clamp* Holds Flanged Joints Together* Water Tight Seal* Highly Corrosion Resistant* Durable* Strong Steel* Dimensions  -...
    09-080000026
    SKU:
    09-080000026
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    5 Inch
    Product Type:
    Exhaust
    $47.73
    Qty in Cart: 0
    Price:
    $47.73
    Subtotal:
  • BESTfit 4 Inch Steel V-Band Clamp154977 For 8.2T Detroit Engines - Replaces

    BESTfit 4 Inch Steel V-Band Clamp154977 For 8.2T Detroit Engines - Replaces

    BESTFIT TRUCK PARTS

    $46.68
    BESTfit Steel V-Band Clamp For 8.2T Detroit Engines* High Quality V-Band Clamp* Holds Flanged Joints Together* Water Tight Seal* Highly Corrosion Resistant* Durable* Strong Steel* Dimensions  - 4.75...
    09-080000025
    SKU:
    09-080000025
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    $46.68
    Qty in Cart: 0
    Price:
    $46.68
    Subtotal:
  • BESTfit 4.75 Inch Steel V-Band Clamp 115774 For L10 Cummins/3173 Cat

    BESTfit 4.75 Inch Steel V-Band Clamp 115774 For L10 Cummins/3173 Cat

    BESTFIT TRUCK PARTS

    $43.47
    BESTfit Steel V-Band Exhaust Clamp* High Quality V-Band Clamp* Holds Flanged Joints Together* Water Tight Seal* Highly Corrosion Resistant* Durable * Strong Steel* Dimensions  - 4.75 Inch Length  - 4...
    09-080000024
    SKU:
    09-080000024
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    $43.47
    Qty in Cart: 0
    Price:
    $43.47
    Subtotal:
  • BESTfit 4 Inch Steel V-Band Clamp IW2431 For 3306 CAT Engines

    BESTfit 4 Inch Steel V-Band Clamp IW2431 For 3306 CAT Engines

    BESTFIT TRUCK PARTS

    $50.99
    BESTfit Steel V-Band Clamp For 3306 CAT Engines* High Quality V-Band Clamp* Holds Flanged Joints Together* Water Tight Seal* Highly Corrosion Resistant* Durable * Strong Steel* Dimensions  - 4.69...
    09-080000023
    SKU:
    09-080000023
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • BESTfit 4 Inch Steel V-Band Clamp A49-3535399 For 2003-2004 5.9L Cummins Engines

    BESTfit 4 Inch Steel V-Band Clamp A49-3535399 For 2003-2004 5.9L Cummins Engines

    BESTFIT TRUCK PARTS

    $35.00
    BESTfit Steel V-Band Clamp For 2003-2004 5.9L Cummins Engines* High Quality V-Band Clamp* Holds Flanged Joints Together* Water Tight Seal* Highly Corrosion Resistant* Durable* Strong Steel*...
    09-080000022
    SKU:
    09-080000022
    Truck Class:
    Universal
    Style Options:
    Cummins
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    $35.00
    Qty in Cart: 0
    Price:
    $35.00
    Subtotal:
  • BESTfit 4 Inch Steel V-Band Clamp 4C24-5A281-HA For 1999-2003 7.3L Powerstroke Engines

    BESTfit 4 Inch Steel V-Band Clamp 4C24-5A281-HA For 1999-2003 7.3L Powerstroke Engines

    BESTFIT TRUCK PARTS

    $34.99
    BESTfit Steel V-Band Clamp For 1999-2003 7.3L Powerstroke* High Quality V-Band Clamp* Holds Flanged Joints Together* Water Tight Seal* Highly Corrosion Resistant* Durable* Strong Steel* Dimensions  -...
    09-080000021
    SKU:
    09-080000021
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    $34.99
    Qty in Cart: 0
    Price:
    $34.99
    Subtotal:
  • BESTfit 4 Inch Steel V-Band Clamp For 2003.5-2007 6.0L Powerstroke Engines

    BESTfit 4 Inch Steel V-Band Clamp For 2003.5-2007 6.0L Powerstroke Engines

    BESTFIT TRUCK PARTS

    $30.75
    BESTfit 4 Inch Steel V-Band Clamp Replaces 6C34-5A281-AA* High Quality V-Band Clamp  - Holds Flanged Joints Together   - Water Tight Seal  - Highly Corrosion Resistant  - Durable   - Strong Steel  -...
    09-080000020
    SKU:
    09-080000020
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    $30.75
    Qty in Cart: 0
    Price:
    $30.75
    Subtotal:
  • BESTfit 4 Inch Steel V-Band Clamp 3905216 For 8.3C Cummins Engines

    BESTfit 4 Inch Steel V-Band Clamp 3905216 For 8.3C Cummins Engines

    BESTFIT TRUCK PARTS

    $42.41
    BESTfit Steel V-Band Clamp For 8.3C Cummins Engines* High Quality V-Band Clamp* Made Of Stainless Steel* 4 Inch Diameter* Fits 8.3C Cummins* Sold Individually* Made In USA* Warranty On V-Clamps...
    09-080000018
    SKU:
    09-080000018
    Truck Class:
    Universal
    Style Options:
    Cummins
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 5/8 Inch
    Product Type:
    Exhaust
    $42.41
    Qty in Cart: 0
    Price:
    $42.41
    Subtotal:
  • BESTfit 3 Inch Steel V-Band Clamp 15671559 For 2000-2006 Duramax Engines

    BESTfit 3 Inch Steel V-Band Clamp 15671559 For 2000-2006 Duramax Engines

    BESTFIT TRUCK PARTS

    $30.76
    BESTfit Steel V-Band Clamp For 2000-2006 Duramax Engines* High Quality V-Band Clamp* Holds Flanged Joints Together* Water Tight Seal* Highly Corrosion Resistant* Durable And Strong Steel* Dimensions ...
    09-080000017
    SKU:
    09-080000017
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    $30.76
    Qty in Cart: 0
    Price:
    $30.76
    Subtotal:
  • BESTfit 3 Inch Steel V-Band Clamp F6TA-5A281-BA For 1994-1997 7.3L Powerstroke Engines

    BESTfit 3 Inch Steel V-Band Clamp F6TA-5A281-BA For 1994-1997 7.3L Powerstroke Engines

    BESTFIT TRUCK PARTS

    $41.36
    BESTfit Steel V-Band Clamp For 1994-1997 7.3L Powerstroke Engines* High Quality V-Band Clamp* For Turbo to Downpipe* Water Tight Seal* Highly Corrosion Resistant* Durable And Strong Steel*...
    09-080000016
    SKU:
    09-080000016
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Product Type:
    Exhaust
    $41.36
    Qty in Cart: 0
    Price:
    $41.36
    Subtotal:
  • BESTfit 2.75 Inch Steel V-Band Clamp 3903652 For 5.9L Cummins

    BESTfit 2.75 Inch Steel V-Band Clamp 3903652 For 5.9L Cummins

    BESTFIT TRUCK PARTS

    $40.32
    BESTfit Steel V-Band Clamp Fits 5.9L CumminsDo you need to replace an old worn clamp? 4 State Trucks offers this quality V-Band Clamp that will make sure the downpipes on your exhaust are securely...
    09-080000015
    SKU:
    09-080000015
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Universal Items
    Diameter Options:
    2 3/4 Inch
    Product Type:
    Exhaust
    $40.32
    Qty in Cart: 0
    Price:
    $40.32
    Subtotal:
  • FREE SHIPPING OVER $249
    Iowa Customs Stainless Steel IFTA Plate Mounts For Peterbilt

    Iowa Customs Stainless Steel IFTA Plate Mounts For Peterbilt

    IOWA CUSTOMS

    $65.99
    SS IFTA Plate Mounts By Iowa Customs Fits PeterbiltSecure your Peterbilt's IFTA plate with Iowa Customs Stainless Steel IFTA Plate Mounts, built for strength, durability, and a polished look. Made...
    01-091308
    SKU:
    01-091308
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Exterior
    Position:
    Lower
    Ready To Ship:
    Yes
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 5 Inch Exhaust Shield Mounting Clamp Replaces 14-00924 For Peterbilt 377 & 378

    BESTfit 5 Inch Exhaust Shield Mounting Clamp Replaces 14-00924 For Peterbilt 377 & 378

    BESTFIT TRUCK PARTS

    $33.74
    Exhaust Mount Clamp Half For 5 Inch Pipe By BESTfitKeep your Peterbilt 377 & 378's exhaust securely mounted with our aluminized exhaust shield mounting clamp for 5-inch pipes. Designed to offer a...
    01-08409240
    SKU:
    01-08409240
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminized Steel
    Make:
    Peterbilt
    Length Options:
    6 1/2 Inch
    Product Type:
    Exhaust
    Color:
    Black
    Diameter Options:
    5 Inch
    Height Options:
    1 1/4 Inch
    Ready To Ship:
    Yes
    $33.74
    Qty in Cart: 0
    Price:
    $33.74
    Subtotal:
  • FREE SHIPPING OVER $249
    Exhaust Bushing With Sleeve And Clip For Peterbilt 379/389/388/386/378

    Exhaust Bushing With Sleeve And Clip For Peterbilt 379/389/388/386/378

    LINCOLN CHROME

    $17.73
    Exhaust Grommet With Clips Fits PeterbiltRevitalize your system with the Exhaust Bushing With Sleeve And Clip, designed for a wide range of Peterbilt models. This kit includes a poly grommet, steel...
    01-080704
    SKU:
    01-080704
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Location:
    Made In USA
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $17.73
    Qty in Cart: 0
    Price:
    $17.73
    Subtotal:
  • FREE SHIPPING OVER $249
    LC Poly Exhaust Bracket Grommets W/ Steel Sleeves, Set Of 8 Replaces 14PB-B4656 For Peterbilt

    LC Poly Exhaust Bracket Grommets W/ Steel Sleeves, Set Of 8 Replaces 14PB-B4656 For Peterbilt

    LINCOLN CHROME

    $87.99
    Set Of 8 Poly Exhaust Bracket Grommets W/ Steel Sleeves By Lincoln Chrome Fits Peterbilt Replaces 14PB-B4656Make sure your Peterbilt's exhaust system stays securely and safely mounted with Lincoln...
    01-0807035
    SKU:
    01-0807035
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Location:
    Made In USA
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    Material Options:
    Plastic/Poly
    $87.99
    Qty in Cart: 0
    Price:
    $87.99
    Subtotal:
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Find Durable Peterbilt 357/378 Clamps & Brackets

This robust product lineup offers a wide array of clamps, brackets, and mounting solutions designed to stabilize and support Peterbilt 357/378 exhaust stacks and exhaust components. With a strong focus on secure exhaust systems and cab attachments, these products ensure a sturdy, reliable fit for your Peterbilt truck. From narrow and wide exhaust clamps to angled and straight mounting brackets, this selection caters to the diverse needs of Peterbilt owners and enthusiasts. Whether you're upgrading your exhaust setup or replacing worn-out components, you'll find the perfect fit for your 357 or 378 model. Enhance the performance and appearance of your Peterbilt with the high-quality clamps, brackets, and mounting options available in this comprehensive product lineup.

Frequently Asked Questions About Peterbilt 357/378 Clamps, Brackets & Mounting

What components are these clamps, brackets, and mounting parts used for?

This category covers the hardware used to secure and position various components on Peterbilt 357 and 378 trucks, including items like exhaust and muffler clamps, fender and hood brackets, mirror mounting arms, hose and line clamps, and wiring or air line brackets. If you need to replace a broken or rusted mount, or secure a component that has come loose, you will likely find the right part here.

How do I know a clamp or bracket will fit my specific truck?

Because the 357 and 378 were produced across many years with different configurations, always check the listed part number and any fitment notes against your truck's build sheet or the original part you are replacing. Measuring the diameter, length, or bolt pattern of your existing hardware before ordering can help confirm you are getting a correct match.

What materials and finishes are available for these parts?

Clamps and brackets in this category are typically made from steel or stainless steel, with finishes such as zinc plating, powder coating, or chrome depending on the part. Stainless steel and chrome-finished options generally offer better resistance to rust and road grime, which is worth considering if the part will be exposed to weather or exhaust heat.

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

Most clamps and brackets are designed for straightforward bolt-on or clamp-on installation using basic hand tools, making them manageable for owner-operators comfortable with routine maintenance. That said, mounts located near exhaust systems, steering components, or other safety-critical areas should be installed carefully and torqued to spec, and a professional installation is recommended if you are unsure.

Will a replacement clamp or bracket hold up as well as the original?

Quality replacement hardware is built to match or exceed the strength and durability of factory parts, but performance also depends on proper installation and torque. Choosing the correct size and material for the application, and avoiding over- or under-tightening, will help ensure the part performs reliably over time.


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