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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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  • 4 Inch Stainless Steel Flat Band Clamp - Easy Seal

    4 Inch Stainless Steel Flat Band Clamp - Easy Seal

    AUTOMANN USA

    $11.31
    4 Inch Easy Seal Flat Band ClampSecure your truck's hoses and connections with this high-quality 4 Inch Stainless Steel Flat Band Clamp - Easy Seal. Made from durable stainless steel, this 4-inch...
    09-0800123
    SKU:
    09-0800123
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $11.31
    Qty in Cart: 0
    Price:
    $11.31
    Subtotal:
  • Hogebuilt Zinc Tube Fender Clamp

    Hogebuilt Zinc Tube Fender Clamp

    HOGEBUILT FENDERS

    $13.60
    Replacement Tube ClampThis zinc clamp securely holds your fender tubes in place. Built for durability, it's perfect for replacements and keeps tubes firmly fastened.* High Quality Tube Clamp* Made Of...
    09-11137
    SKU:
    09-11137
    Height Options:
    1 1/2 Inch
    Width Options:
    3 Inch
    Length Options:
    4 1/2 Inch
    Product Type:
    Exhaust
    Make:
    Universal Items
    $13.60
    Qty in Cart: 0
    Price:
    $13.60
    Subtotal:
  • BESTfit 5 Inch Guillotine Saddle Clamp with Round U-Bolt

    BESTfit 5 Inch Guillotine Saddle Clamp with Round U-Bolt

    BESTFIT TRUCK PARTS

    $9.99
    5 Inch Zinc Plated Round Bolt Closed Single Saddle ClampReplace your worn exhaust and muffler clamps with this premium 5 inch exhaust clamp featuring a heavy-duty 3/8 inch U-bolt and single...
    09-0805029
    SKU:
    09-0805029
    Product Type:
    Exhaust
    Material Options:
    Zinc
    Diameter Options:
    5 Inch
    Make:
    Universal Items
    $9.99
    Qty in Cart: 0
    Price:
    $9.99
    Subtotal:
  • BESTfit 11 Inch Muffler Clamp

    BESTfit 11 Inch Muffler Clamp

    BESTFIT TRUCK PARTS

    $54.99
    Universal Powder Coated Clamp For 11 Inch Mufflers* High Quality Muffler* 11 Inch* Made In USA* Sold Individually* Warranty On Mufflers Against Defects In Workmanship & Material From Date Of...
    09-0805026
    SKU:
    09-0805026
    Product Type:
    Exhaust
    Diameter Options:
    11 Inch
    Make:
    Universal Items
    $54.99
    Qty in Cart: 0
    Price:
    $54.99
    Subtotal:
  • BESTfit 4 Inch Aluminized Flexible Seal Exhaust Clamp - 3.75 Inch Wide

    BESTfit 4 Inch Aluminized Flexible Seal Exhaust Clamp - 3.75 Inch Wide

    BESTFIT TRUCK PARTS

    $13.01
    Flat Band Seal Clamp* High Quality Clamp* Aluminized* 3.375 Inch Wide* Flexible* Made In USA* Sold Individually* Warranty On Clamps Against Defects In Workmanship & Material From Date Of Purchase***...
    09-08000177
    SKU:
    09-08000177
    Product Type:
    Exhaust
    Material Options:
    Aluminized Steel
    Width Options:
    3 1/8 Inch
    Make:
    Universal Items
    $13.01
    Qty in Cart: 0
    Price:
    $13.01
    Subtotal:
  • BESTfit 4 Inch Polished Stainless Band Exhaust Clamp - 1.25 Inch Wide

    BESTfit 4 Inch Polished Stainless Band Exhaust Clamp - 1.25 Inch Wide

    BESTFIT TRUCK PARTS

    $14.99
    Polished Stainless Steel Band Clamp* High Quality Clamp* 430 Stainless Steel* Polished Finish* Dimensions:  - 4 Inch Diameter  - 1.25 Inch Wide Clamp* Made In USA* Sold Individually* Warranty On...
    09-08000023
    SKU:
    09-08000023
    Product Type:
    Exhaust
    Diameter Options:
    4 Inch
    Finish Options:
    Polished
    Width Options:
    1 1/4 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $14.99
    Qty in Cart: 0
    Price:
    $14.99
    Subtotal:
  • BESTfit 3 Inch Preformed Stainless Lap Joint Exhaust Clamp

    BESTfit 3 Inch Preformed Stainless Lap Joint Exhaust Clamp

    BESTFIT TRUCK PARTS

    $17.99
    Flexible Wide Band Exhaust Clamp - Joins ID & OD PipeThis 360-degree sealing wide-band lap-joint exhaust clamp connects pipes and mufflers securely for a leak free seal. Pre-assembled design...
    09-08000178
    SKU:
    09-08000178
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Width Options:
    3 Inch
    Make:
    Universal Items
    $17.99
    Qty in Cart: 0
    Price:
    $17.99
    Subtotal:
  • BESTfit 3 Inch 304 SS Lap Joint Exhaust Band Clamp

    BESTfit 3 Inch 304 SS Lap Joint Exhaust Band Clamp

    BESTFIT TRUCK PARTS

    $19.99
    Heavy Duty Exhaust Clamp for 3 Inch ID and OD Pipe ConnectionsThe 3 inch stainless steel exhaust band clamp makes connecting exhaust pipes simple and secure. Built from premium 304 stainless steel...
    09-08000117
    SKU:
    09-08000117
    Product Type:
    Exhaust
    Width Options:
    3 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $19.99
    Qty in Cart: 0
    Price:
    $19.99
    Subtotal:
  • BESTfit 8 Inch Chrome Flat Band Exhaust Clamp

    BESTfit 8 Inch Chrome Flat Band Exhaust Clamp

    BESTFIT TRUCK PARTS

    $65.99
    Chrome Flat Band Clamp* High Quality Flat Band Clamp* Chrome-Plated * 8 Inch * Flat* Sold Individually* Warranty On Band Clamps Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-080045
    SKU:
    09-080045
    Product Type:
    Exhaust
    Finish Options:
    Chrome-Plated
    Style Options:
    Flat
    Diameter Options:
    8 Inch
    Make:
    Universal Items
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • 7 Inch Chrome Narrow Style Cab Exhaust Clamp For Peterbilt

    7 Inch Chrome Narrow Style Cab Exhaust Clamp For Peterbilt

    UNITED PACIFIC

    $24.55
    Peterbilt Cab Mounting BracketUpgrade your Peterbilt cab exhaust system with this 7 Inch Chrome Narrow Style Cab Exhaust Clamp, engineered for durability and a precise fit. The chrome-plated surface...
    01-080015
    SKU:
    01-080015
    Material Options:
    Steel
    Product Type:
    Exhaust
    Length Options:
    7 Inch
    Finish Options:
    Chrome-Plated
    Make:
    Peterbilt
    $24.55
    Qty in Cart: 0
    Price:
    $24.55
    Subtotal:
  • BESTfit 5 Inch Stainless Steel Angled Exhaust Clamp For Peterbilt

    BESTfit 5 Inch Stainless Steel Angled Exhaust Clamp For Peterbilt

    BESTFIT TRUCK PARTS

    $136.99
    5 Inch Stainless Peterbilt Exhaust Clamp - Angled DesignNeed a strong exhaust clamp for your Pete? This 5-inch stainless clamp is built tough for Peterbilt stacks. The angled design matches your...
    01-08000020
    SKU:
    01-08000020
    Product Type:
    Exhaust
    Style Options:
    Angled
    Finish Options:
    Polished
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Diameter Options:
    5 Inch
    $136.99
    Qty in Cart: 0
    Price:
    $136.99
    Subtotal:
  • 2.25 Inch Exhaust Clamp With Hanger

    2.25 Inch Exhaust Clamp With Hanger

    AUTOMANN USA

    $20.35
    Exhaust System Hanger fits 2.25 Inch PipeKeep your exhaust system secure and quiet with our heavy-duty 4-inch mounting bracket. Built tough to reduce vibration and provide rock-solid support for your...
    09-08000009
    SKU:
    09-08000009
    Product Type:
    Exhaust
    Diameter Options:
    4 Inch
    Make:
    Universal Items
    $20.35
    Qty in Cart: 0
    Price:
    $20.35
    Subtotal:
  • 5 Inch SS Guillotine Type Exhaust Clamp

    5 Inch SS Guillotine Type Exhaust Clamp

    AUTOMANN USA

    $26.56
    Exhaust Clamp For Pipe Size 5 Inch* High Quality Exhaust Clamp* Stainless Steel* 5 Inch Diameter* 3/8 Inch- 16 Threads* Sold Individually* Warranty On Exhaust Clamps Against Defects In Workmanship &...
    09-08000005
    SKU:
    09-08000005
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Diameter Options:
    5 Inch
    Make:
    Universal Items
    $26.56
    Qty in Cart: 0
    Price:
    $26.56
    Subtotal:
  • FREE SHIPPING
    BESTfit Aluminum Upper Fuel Tank Mounting Bracket Replaces 11-04855M000, 1104855M000 For Peterbilt W/ 26 Inch Diameter Tanks

    BESTfit Aluminum Upper Fuel Tank Mounting Bracket Replaces 11-04855M000, 1104855M000 For Peterbilt W/ 26 Inch Diameter Tanks

    BESTFIT TRUCK PARTS

    $335.99
    Aluminum Upper Fuel Tank Mounting Bracket For 26 Inch Diameter Fuel Tanks By BESTfitUpgrade your Peterbilt with this aluminum upper fuel tank mounting bracket, designed for 26-inch diameter fuel...
    01-0601011
    SKU:
    01-0601011
    Truck Class:
    Heavy Duty
    Product Type:
    Fuel Tanks
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    Position:
    Upper
    Diameter Options:
    26 Inch
    $335.99
    Qty in Cart: 0
    Price:
    $335.99
    Subtotal:
  • DPF V-Band Clamp Kit DDEA4709950002, A4709970045 For Mercedes / Detroit Diesel DD13 / DD15

    DPF V-Band Clamp Kit DDEA4709950002, A4709970045 For Mercedes / Detroit Diesel DD13 / DD15

    AFTERMARKET

    $186.99
    DPF V-Band Clamp And 2 GasketsThe V-Band Clamp Kit is a direct replacement for DPF system flange connections, designed for quick and hassle-free assembly and disassembly thanks to its convenient...
    29-08060016
    SKU:
    29-08060016
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Make:
    Universal Items
    Style Options:
    Detroit
    $186.99
    Qty in Cart: 0
    Price:
    $186.99
    Subtotal:
  • 4.69 Inch V-Band Clamp Replaces 1W2431

    4.69 Inch V-Band Clamp Replaces 1W2431

    AUTOMANN USA

    $25.44
    V-Band Clamp Diameter 4.69 Inch* High Quality V-Band Clamp* Stainless Steel* 4.69 Inch Nominal Diameter* Uses 1/4 Inch Bolt* With Torque Range Of 50-70 in-lbs * Sold Individually* Warranty On V-Band...
    29-08060009
    SKU:
    29-08060009
    Material Options:
    Stainless Steel
    Product Type:
    Exhaust
    Diameter Options:
    4 1/2 Inch
    Make:
    Universal Items
    $25.44
    Qty in Cart: 0
    Price:
    $25.44
    Subtotal:
  • 5.25 Inch V-Band Clamp For Detroit Diesel

    5.25 Inch V-Band Clamp For Detroit Diesel

    AUTOMANN USA

    $26.71
    V-Band Coupling Clamp 5.25 Inch Nominal Clamp DiameterThe V Band clamp is a cost-effective solution for refurbishing worn flange connections in your exhaust system. Its V-shaped design ensures even...
    29-08060015
    SKU:
    29-08060015
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Diameter Options:
    5 1/4 Inch
    Make:
    Universal Items
    $26.71
    Qty in Cart: 0
    Price:
    $26.71
    Subtotal:
  • 4.33 Inch V-Band Clamp Replaces J009613, VB-350I, 338614C1, 89512K, 35494

    4.33 Inch V-Band Clamp Replaces J009613, VB-350I, 338614C1, 89512K, 35494

    AUTOMANN USA

    $24.16
    4.33 Inch Stainless Steel V-Band ClampAchieve a tight, dependable seal with this 4.33 Inch V-Band Clamp, engineered to replace J009613, VB-350I, 338614C1, 89512K, and 35494. Stainless steel...
    29-08060008
    SKU:
    29-08060008
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Diameter Options:
    4 1/4 Inch
    Make:
    Universal Items
    $24.16
    Qty in Cart: 0
    Price:
    $24.16
    Subtotal:
  • 4.60 Inch V-Band Clamp Replaces A6209970590, A0419184000, DDEA6209970590, VB-460MB

    4.60 Inch V-Band Clamp Replaces A6209970590, A0419184000, DDEA6209970590, VB-460MB

    AUTOMANN USA

    $21.62
    V-Band Clamp Diameter 4.60 Inch* High Quality V-Band Clamp* Stainless Steel * 4.60 Inch Nominal Diameter* Bolt Not Included* Sold Individually* Warranty On V-Band Clamps Against Defects In...
    29-08060010
    SKU:
    29-08060010
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Diameter Options:
    4 1/2 Inch
    Make:
    Universal Items
    $21.62
    Qty in Cart: 0
    Price:
    $21.62
    Subtotal:
  • 5.9 Inch V-Band Clamp Replaces BC4Z-5A231-B, 3621545C1 For Cummins ISX15, X15

    5.9 Inch V-Band Clamp Replaces BC4Z-5A231-B, 3621545C1 For Cummins ISX15, X15

    AUTOMANN USA

    $21.62
    V-Band Clamp 5.9 Inch* High Quality V-Band Clamp* Stainless Steel* 5.90 Inch Nominal Diameter* Quick Release Latch* Uses 1/4 Inch Bolt* With Torque Range Of 50-70 in-lbs* Sold Individually* Warranty...
    29-08060004
    SKU:
    29-08060004
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    5 5/8 Inch
    Style Options:
    Cummins
    $21.62
    Qty in Cart: 0
    Price:
    $21.62
    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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