Rubber Gasket for Peterbilt 359/379 Exhaust Bracket
Product Overview
Protect your exhaust system and reduce vibration with the Rubber Gasket for Peterbilt 359/379 Exhaust Bracket. Made from heavy-duty thick rubber, this gasket is designed to sit between your exhaust bracket and the truck body, absorbing shock, minimizing metal-on-metal contact, and dampening road noise. Whether you’re installing a new bracket or replacing a worn-out gasket, this durable part ensures a smoother, quieter, and longer-lasting exhaust setup. Built to fit most Peterbilt 359 and 379 exhaust brackets, it’s a must-have for any repair or upgrade.
Key Features & Benefits
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Heavy-Duty Thick Rubber – Constructed from durable, vibration-resistant rubber built to withstand heat, pressure, and daily driving conditions.
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Vibration Absorption – Helps minimize exhaust system vibrations, reducing wear and stress on brackets and mounting points.
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Noise Reduction – Prevents rattling and noise caused by exhaust movement or loose connections.
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Universal Fit for Peterbilt 359/379 – Designed to fit most lower and straight exhaust brackets for these classic Peterbilt models.
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Cost-Effective Maintenance – Affordable solution for replacing worn gaskets or completing a new bracket installation.
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6-Month Warranty – Backed by a 6-month manufacturer warranty for confidence and reliability.
Expanded Benefit Section
The Rubber Gasket for Peterbilt 359/379 Exhaust Bracket plays a critical role in your exhaust system’s longevity and performance. This thick, high-quality rubber gasket absorbs engine vibration and road shock to keep your brackets securely in place and your ride quieter. By reducing direct contact between metal surfaces, it helps prevent premature wear, loosening, or rattling. Whether you’re performing a quick fix or upgrading your bracket hardware, this gasket ensures the entire setup stays tight, quiet, and protected. Easy to install and made to last, it’s an essential part of any exhaust bracket install.
Vehicle Compatibility
This gasket is designed to fit most exhaust brackets on Peterbilt 359 and Peterbilt 379 models, making it a versatile choice for replacements and new installs.
Technical Specifications
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Item Number: 21299-1
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Material: Heavy-Duty Rubber
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Thickness: Heavy-grade thickness for long-term durability
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Fitment: Compatible with most Peterbilt 359/379 Exhaust Brackets
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Function: Vibration Absorption & Noise Dampening
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Warranty: 6-Month Manufacturer Warranty
What’s Included
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(1x) Heavy-Duty Rubber Gasket
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Warranty: 6-Month Manufacturer Coverage
Quiet the Rattle. Extend the Life.
Don’t let vibration or loose brackets wear down your exhaust system. The Rubber Gasket for Peterbilt 359/379 is built to absorb shock, reduce noise, and help your exhaust components last longer. Whether you’re restoring a classic or maintaining a daily workhorse, this gasket is the small part that makes a big difference. Order yours today and keep your Peterbilt smooth, quiet, and road-ready.















