Buy Heavy-Duty Peterbilt 379 Exhaust Hangers & Mounts
Fix loose, rattling exhaust pipes and costly exhaust leaks with our massive in-stock selection of premium Peterbilt 379 exhaust brackets, clamps, and mounting accessories. These direct-fit components help to secure your exhaust system safely to the chassis, preventing unnecessary damage. Filter products by size, color, and style options to locate the right exhaust mounting hardware and exhaust hanger kits to help stabilize your Peterbilt 379 chrome stack tops and tightly seal your pipes for smooth, uninterrupted exhaust flow.Peterbilt 379 Exhaust Brackets & Hangers
Upgrade and replace broken exhaust mounts with our OEM-equivalent hardware: - Cab & Frame Exhaust Brackets: Choose from angled or straight configurations designed for a precise, bolt-on fit to the 379 cab and frame rails. - Peterbilt Muffler Brackets & Hangers: Heavy-duty steel and stainless options to safely support the weight of high-flow and standard mufflers. - Y-Pipe Hanger Kits: Essential structural support for long-drop Peterbilt 379 exhaust elbows, ensuring perfect alignment behind the sleeper.Shop High-Performance Clamps & Fasteners
- Wide & Narrow Band Clamps: Available in chrome-plated, aluminized, and polished 304 stainless steel for superior corrosion resistance. - V-Band Clamps: Precision-engineered for turbo housings and DPF flanged connections. - Heat Shield Mounting: Zinc-plated and half-round clamps to safely secure your 180-degree heat shields without slipping.Browse Vibration Dampening Hardware & Flex Components
You can also find specialized mounting parts necessary for complete vibration isolation, including heavy-duty poly exhaust mount bushings, grommets, flex connectors, and high-temp silicone hoses. Whether youâre mounting a brand new Peterbilt 379 exhaust kit or need to swap out an old set of clamps, you can find the right replacement hardware at 4 State Trucks.Frequently Asked Questions About Peterbilt 379 Clamps, Brackets & Mounting
Will these clamps and brackets fit my specific year Peterbilt 379?
Most clamps and brackets for the Peterbilt 379 are designed to fit model years 1987-2007, as the frame rails and mounting points remained largely consistent throughout production. However, some components may have slight variations between early models (1987-1995) and later models (1996-2007). Always check the product description for specific year compatibility, and when in doubt, measure your existing mounting points or contact us with your OEM for verification.
What's the difference between stainless steel and chrome-plated brackets?
Stainless steel brackets offer superior corrosion resistance and durability, especially in harsh weather conditions or areas with road salt. They maintain their appearance longer but typically cost more upfront. Chrome-plated steel brackets provide an excellent mirror finish at a lower price point but may require more maintenance and can eventually show rust if the chrome chips or wears. For daily drivers in tough conditions, we recommend stainless steel. For show trucks or mild climates, chrome-plated options work well.
Do I need special tools or professional installation for mounting brackets?
Most clamps and brackets can be installed with standard hand tools including wrenches, sockets, and screwdrivers. However, some heavy-duty brackets may require drilling new holes, which needs a quality drill and proper bits for steel. Air tool brackets specifically require an air compressor line installation. We recommend having a torque wrench to ensure proper tightness according to manufacturer specifications. While many drivers successfully install these parts themselves, complex mounting systems or frame modifications should be handled by a qualified technician.
How do I know what size clamps I need for my exhaust or air lines?
Measure the outside diameter of your pipes or hoses where the clamp will be installed. Common sizes for Peterbilt 379 exhaust clamps are 5-inch and 6-inch, while air line clamps typically range from 1/4-inch to 1/2-inch. Band-style clamps usually have about 1/2-inch of adjustment range. For exhaust systems, also consider whether you need standard duty (14-gauge) or heavy duty (10-gauge) clamps based on your exhaust weight and vibration levels.
Why are my brackets vibrating loose even after proper installation?
Vibration is the main enemy of mounting hardware on semi trucks. First, ensure you're using lock washers or thread-locking compound on all fasteners. Grade 8 bolts are recommended for critical mounting points. Check that brackets are rated for the weight they're supporting - undersized brackets will flex and work loose over time. For persistent issues, consider adding rubber isolation mounts between the bracket and frame to dampen vibrations. Also verify that whatever you're mounting isn't creating excessive movement or stress on the bracket during normal operation.
