Peterbilt 389 Exhaust Parts
Find top-notch Peterbilt 389 exhaust components to elevate your rig's performance. We offer reliable chrome stacks, elbows, clamps, brackets, DPFs, and mufflers for a flawless fit. Shop our extensive inventory at 4 State Trucks for quality parts that deliver durability and style.
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BESTfit 7 Inch Chrome-Plated SS Wide Straight Clamp Replaces 50BJ-PB700SCP For Peterbilt 377, 378, 379, 386, 388, and 389
BESTFIT TRUCK PARTS
$101.99BESTfit Chrome Stainless Steel Wide Straight ClampEnhance your exhaust system with our top-of-the-line chrome-plated stainless steel exhaust clamp. Measuring 7 inches in diameter, this clamp is designed for either the driver or passenger side of your...$101.99 -
BESTfit 7 Inch Chrome-Plated SS Wide Angled Clamp Replaces 50BJ-APB700SCP For Peterbilt 377, 378, 379, 386, 388 & 389
BESTFIT TRUCK PARTS
$108.99BESTfit Chrome Stainless Steel Wide Angled ClampUpgrade your exhaust system with our premium chrome-plated stainless steel exhaust clamp. Measuring 7 inches in diameter, this versatile clamp is suitable for use on both the driver or passenger side of...$108.99 -
BESTfit 8 X 30 Inch OAL Exhaust Muffler With 5 Inch I.D. Inlet & Outlet
BESTFIT TRUCK PARTS
$145.99BESTfit Muffler 8 Inch Diameter * High Quality Muffler* Aluminized* Dimensions- 8 Inch Diameter- 5 Inch I.D. Inlet/Outlet- 24 Inch Length Body- 30 Inch Length Overall* Sold Individually* Warranty On Mufflers Against Defects In Workmanship & Material From...$145.99 -
BESTfit DPF Filter Clamp - Replaces 2871862
TPHD
$56.09BESTfit DPF Filter ClampLooking for a filter clamp for your DPF filters 29-0809011? Our aftermarket replacement part, sold individually, is the perfect fit. Replacing OEM number 2871862, it ensures a secure hold for your filters, keeping your vehicle...$56.09 -
BESTfit DPF Filter Clamp - Replaces 2871863 & 21445455
BESTFIT TRUCK PARTS
$64.25BESTfit Filter Clamp For DPFIn need of a filter clamp? Our aftermarket replacement part, sold individually, is here for you. It seamlessly replaces OE numbers 2871863 and 21445455, ensuring your vehicle's filter is securely held in place. * Filter Clamp*...$64.25 -
BESTfit DPF Gasket Replaces 2866337 For Cummins
BESTFIT TRUCK PARTS
$17.84BESTfit DPF Gasket Fits CumminsLooking for a replacement gasket that won't break the bank? Our aftermarket gasket is designed to replace OEM number 2866337 and is sold individually. Rest assured, you're getting a quality replacement part without the OEM...$17.84 -
BESTfit 8 To 5 X 96 Inch Curve Turn Stack
BESTFIT TRUCK PARTS
$775.99BESTfit 8-5 X 96 Inch Turnout StackUpgrade your vehicle's exhaust system with our chrome-plated steel Exhaust Stack! Featuring a classic turnout style, this aftermarket replacement part boasts an 8 to 5-inch inner diameter for optimal performance. With a...$775.99 -
BESTfit 2.5 X 14.75 Inch Flex Connector W/ Flange Replaces M666559 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$147.99SS 12 3/4 Inch DPF Flex ConnectorPresenting our Connector, meticulously crafted in the USA to meet your vehicle's needs. With a 2.5-inch flange by 2.5-inch flange, compressed to 12.750 inches, this aftermarket replacement part ensures a precise fit in...$147.99 -
BESTfit 5 Inch X 14.5 Inch Bead Flex Connector W/ Flange Replaces M6665420335 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$272.99BESTfit Stainless Steel 14.5 Inch Long DPF Flex Connector PipeIntroducing our Flex Connector, crafted in the USA with precision and care. This aftermarket replacement part boasts a 5-inch flange by 5-inch flange, compressed to 14.500 inches, ensuring a...$272.99 -
BESTfit 5 X 11.375 Inch Bead Flex Connector W/ Flange Replaces M6665420320 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$215.99SS DPF Bead Flex Connector PipeOur Flex Connector, proudly made in the USA, features a 5-inch flange by 5-inch flange, compressed to 11.375 inches. Sold individually as an aftermarket replacement part, it ensures a secure fit in your exhaust system,...$215.99 -
BESTfit 4 X 14.25 Inch Flex Connector Replaces M66-65410-405 & M66-7091-0405 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$272.99BESTfit Stainless Steel 14.25 Inch Long DPF Flex Connector W/ 4 Inch FlangeOur Exhaust Connector is engineered in the USA to meet your needs. With dimensions of 4 inches flange by 4 inches flange, compressed to 14.250 inches, it ensures a secure fit in...$272.99 -
BESTfit 4 X 12.25 Inch Flex Connector W/ Flange Replaces M6665410335 & M6670910335 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$256.99BESTfit Stainless Steel 12.25 Inch Long DPF Flex Connector W/ 4 Inch FlangeCrafted in the USA, our Stainless Steel Flex Connector offers durability and reliability for your needs. With dimensions of 4 inches flange by 4 inches flange, compressed to 12...$256.99