Peterbilt 379 Exhaust Parts
Shop complete aftermarket exhaust systems and replacement parts for your 1987-2007 Peterbilt 379. Whether you are upgrading to 6-inch chrome stacks or replacing a failing DPF, select a category below to find exact-fit elbows, clamps, mufflers, and complete Peterbilt exhaust kits from trusted brands like Lincoln Chrome and American Eagle
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Peterbilt 377, 378 SBA, 378 SFA, 379 BESTfit Chrome 5 Inch ID/O.D. Y Exhaust Pipe, Replaces 14-13055
BESTFIT TRUCK PARTS
$569.99BESTfit Chrome-Plated Steel Exhaust Y-Pipe W/ 5 Inch ID Inlet & 5 Inch O.D. OutletsThis aftermarket replacement part is constructed from chrome-plated steel and features a 5-inch inner diameter (I.D.) inlet and 5-inch outer diameter (O.D.) outlets. Made...$569.99 -
BESTfit Chrome Miter Cut Exhaust Stack - 36 Inch Length W/ Outside Diameter Inlet-Plain
BESTFIT TRUCK PARTS
$99.99BESTfit 5 Inch Chrome 36 Inch Miter Cut Exhaust Stack With Plain ID - O.D. * High Quality 5 Inch Exhaust Stack* Miter Style Top - Angle Cut* Made Of Chrome-Plated Steel* 5 Inch O.D. Inlet - Plain Inlet To Fit Inside 5 Inch Expanded Mufflers, Elbows Or...$99.99 -
BESTfit Chrome 24 Inch Mitered Turn Out Exhaust Stack W/ 5 Inch O.D. & Plain ID
BESTFIT TRUCK PARTS
$49.99BESTfit 24 Inch Long Miter Cut Exhaust Stack With 5 Inch O.D. & Plain ID * High Quality 5 Inch Exhaust Stack* Miter Style Top - Angle Cut* Made Of Chrome-Plated Steel* 5 Inch O.D. Inlet - Plain Inlet To Fit Inside 5 Inch Expanded Mufflers, Elbows Or...$49.99 -
Peterbilt BESTfit 5 Inch Aluminized Y-Pipe Exhaust W/ 5 Inch ID Inlet, Replaces 14-13055
BESTFIT TRUCK PARTS
$327.99BESTfit Exhaust Y-Pipe Replaces 14-13055Crafted from aluminized steel, this Exhaust Y Pipe boasts a robust build and is proudly made in the USA. With a 5-inch inner diameter inlet and a matching 5-inch outer diameter outlet, it ensures optimal exhaust...$327.99 -
TPHD V Band Clamp For 5.88 Inch Flanged Pipes To DPF - Replaces VQ10588A01 For Kenworth, Peterbilt
TPHD
$23.36V-Band Clamp 5 InchPresenting our V Band Clamp, expertly crafted from polished stainless steel for optimal durability and performance. With a nominal diameter of 5.88 inches, this clamp is specifically designed for connecting flanged pipes to the DPF,...$23.36 -
Freightliner TPHD 5 Inch Aluminized Y-Pipe For Use With Long Drop Elbows, Replaces A04-13974-000
TPHD
$184.99Aluminized Steel Exhaust Y Pipe W/ 5 Inch OD Inlet & OutletsThe aftermarket exhaust Y pipe offered here is crafted from durable aluminized steel, ensuring longevity and reliable performance. Featuring a 5-inch OD inlet and outlets with straight ends and...$184.99 -
Peterbilt 377, 378, 379 BESTfit 5 Inch OD 58 Degree Turbo Elbow, Replaces 14-13430
BESTFIT TRUCK PARTS
$134.99BESTfit Aluminized Steel 58-Degree Turbo Exhaust Pipe ReplacementUpgrade your exhaust system with our Replacement Pipe, expertly crafted from durable aluminized steel right here in the USA. Featuring a 5-inch outer diameter and a precise 58-degree bend,...$134.99 -
TPHD 4 Inch Steel Exhaust Elbow - 90 Degree - 12 Inch Long
TPHD
$47.83Steel 4 X 12 Inch Exhaust 90 Degree ElbowThe 90 Degree Elbow is constructed from steel, featuring dimensions of 12 inches in length and a 4-inch radius. It has a 4-inch inner diameter (I.D.) and a 4-inch outer diameter (O.D.). Additionally, it is belled...$47.83 -
TPHD 4 Inch OD 45 Degree 9 X 9 Inch Exhaust Elbow
TPHD
$29.99Exhaust ElbowImprove your vehicle's exhaust system with our 4-inch Exhaust Elbow, which includes a 45-degree bend and measures 9 x 9 inches. Sold individually as an aftermarket replacement part, this elbow is built for durability and dependable...$29.99 -
BESTfit Fuel Tank Mounting Bracket For Peterbilt With 26 Inch Tanks
BESTFIT TRUCK PARTS
$319.99BESTfit Fuel Tank Bracket Fits Peterbilt With 26 Inch Dia. Tanks * High Quality Fuel Tank Mounting Bracket* Made Of Aluminum* Upper* Designed For 26 Inch Diameter Fuel Tanks* Fuel Tank Straps Sold Separately* Sold Individually* Warranty On Fuel Tank...$319.99 -
Peterbilt 379 & 378 BESTfit Chrome 6 To 5 Inch 58 Degree Exhaust Elbow
BESTFIT TRUCK PARTS
$399.99BESTfit Exhaust Elbow 6-5 Inch Fits Peterbilt 379 & 378Crafted from robust chrome-plated steel, these elbows are engineered to deliver superior durability and performance. Featuring a generous 6-inch outer diameter and a precise 58-degree bend, they are...$399.99 -
BESTfit 10 X 51.5 Inch Performance Muffler
BESTFIT TRUCK PARTS
$179.99BESTfit 51.5 Inch Performance Sport Muffler * High Quality Muffler* 51.5 Inch Wide Muffler Is 1 Inch Wider Than The Standard Performance Sport * Uses Acoustic Louver Sound Dampening* Up To 50 Additional Horsepower And Improved Response* Lower Exhaust Gas...$179.99