Peterbilt 389 Exhaust Parts – OEM & Aftermarket Replacements for Semi Trucks
Ensure your Peterbilt 389 exhaust system performs reliably with durable replacement parts built for demanding commercial vehicle use. Whether you’re hauling freight over highway miles or handling tough regional routes, a proper exhaust setup is crucial for engine efficiency, emissions compliance, and system longevity. At FleetRun Truck Parts, we offer both OEM parts and aftermarket parts that serve as direct replacements to keep your 389 running strong.
Exhaust Components Available for Peterbilt 389
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Exhaust Stacks – Built for durability and resistance to heat, wind, and road conditions.
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Exhaust Pipes & Flex Pipes – Rigid and flexible sections engineered to absorb vibration and thermal expansion.
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Exhaust Manifolds & Shields – Replacement manifolds and protective shields designed for proper exhaust routing and heat control.
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Gaskets, Clamps & Mounting Hardware – V-bands, clamps, hangers, brackets, and fasteners for secure, leak-resistant connections.
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Sensors – NOx sensors, EGR pressure sensors, DPF pressure sensors, and related mounting parts for system monitoring and control.
Why FleetRun is the Right Choice
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OEM parts & aftermarket parts — Reliable replacements built to fit factory specifications.
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Designed for semi trucks & commercial use — Every component selected to withstand heavy loads, thermal cycling, and extended highway service.
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Warranty Coverage — Every exhaust part is backed by warranty for peace of mind.
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Free Shipping on Qualifying Orders — Many components ship free, helping lower your maintenance costs.
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Expert Fitment Support — Our team helps confirm compatibility with your Peterbilt 389’s model year and engine.
Benefits of Quality Exhaust Replacement
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Better Engine Performance & Flow — Reduced backpressure supports horsepower and torque under load.
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Heat Management & Longevity — Durable materials resist corrosion and stress, protecting downstream components.
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Reduced Repair Costs — Proper replacement parts help prevent leaks, fatigue cracks, and system failures.
Shop FleetRun’s Peterbilt 389 Exhaust Parts collection today to find exhaust stacks, pipes, manifolds, clamps, sensors, and hardware—all backed by warranty, free shipping (when eligible), and support built for heavy-duty semi trucks.
