Peterbilt 379 Elbows, Piping & Comp.
Our assortment of Peterbilt 379 elbows, piping, and components makes customizing your exhaust system a breeze. We also carry a large selection of custom, chrome, and aftermarket parts from the best brands in the business. Shop universal elbows, piping, and more at 4 State Trucks.
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BESTfit 4 X 12 X 26 Inch Aluminized Steel Universal Type A Y-Pipe With Divider Plate
BESTFIT TRUCK PARTS
$249.89BESTfit 4 X 12 X 26 Inch Aluminized Steel Universal Type A Y-Pipe With Divider PlateIntroducing the Type A Y Pipe, constructed from durable aluminized steel for long-lasting performance. With a diameter of 4 inches and generous dimensions of 26 inches...$249.89 -
BESTfit 3.5 X 10 X 14 Inch Aluminized Steel Universal Type A Y-Pipe W/ No Divider Plate
BESTFIT TRUCK PARTS
$183.99Aluminized Steel Type A Universal Y-Pipe W/ 10 Inch Tail & No Divider PlateIntroducing the Type A Y Pipe, crafted from durable aluminized steel, ensuring longevity and reliability. With a diameter of 3.5 inches and dimensions of 14 inches wide and 10...$183.99 -
BESTfit 3 X 10 X 12 Inch Aluminized Steel Universal Type A Y-Pipe With No Divider Plate
BESTFIT TRUCK PARTS
$174.99BESTfit 3 X 10 X 12 Inch Aluminized Steel Universal Type A Y-Pipe With No Divider PlateIntroducing the Type A Y Pipe, an essential component for your exhaust system. This Y Pipe features a diameter of 3 inches, with dimensions of 12 inches wide and ten...$174.99 -
BESTfit 4 Inch O.D.-I.D. X 24 Inch 16 Gauge Aluminized Steel Tube
BESTFIT TRUCK PARTS
$46.20BESTfit 4 Inch O.D.-I.D. X 24 Inch 16 Gauge Aluminized Steel TubeIntroducing our Straight Exhaust Tubing, expertly crafted from Aluminized 12 Gauge Steel for durability and longevity. With a 4-inch diameter and 24-inch length, it offers ample sizing for...$46.20 -
BESTfit 5 Inch ID-O.D. X 4 Inch OAL Aluminized Steel Type A Turbo Pipe With 5.25 Inch Diameter Flange For Detroit 6V/8V92T
BESTFIT TRUCK PARTS
$228.99BESTfit 5 Inch ID-O.D. X 4 Inch OAL Aluminized Steel Type A Turbo Pipe With FlangeIntroducing our machined Turbo Air Research T525-Style-B exhaust pipe, meticulously crafted for optimal performance. With a length of 4 inches and a diameter of 5 inches in...$228.99 -
On Sale
American Eagle Pickett Elbow Reduces From 10 To 8 Inches For Peterbilt 379
AMERICAN EAGLE EXHAUST
Now: $678.99Was: $969.9910-8 Inch Reducer Pickett ElbowThis quality stainless steel reducer elbow reduces from 10 inches to 8 inches. Sold individually, this aftermarket replacement part is not OEM. Please note that this item ships directly from the manufacturer and may arrive...Now: $678.99Was: $969.99 -
BESTfit Exhaust Tee Replaces 14-13978-0150 For Peterbilt 379 Day Cab With Mufflers Mounted Behind The Cab
BESTFIT TRUCK PARTS
$640.99BESTfit Exhaust Y Pipe Fits Peterbilt 379 Day Cab With Behind-The-Cab Mufflers * High Quality Exhaust Tee* Exhaust Tee * For Peterbilt 379* Daycab* With Mufflers Mounted Behind The Cab* Sold Individually* Warranty On Exhaust Tee Against Defects In...$640.99 -
BESTfit 8 Inch I.D. X 8 Inch Length Coupler
BESTFIT TRUCK PARTS
$75.88BESTfit 8 Inch I.D. X 8 Inch Length CouplerThe Coupler available is specifically designed with an 8-inch inner diameter (I.D.) and an 8-inch length, offering a secure connection between compatible components. Sold individually, it serves as an...$75.88 -
On Sale
BESTfit Y-Pipe Hanger Black Steel 7 Inch Kit For Long Drop Elbow Peterbilt 378, 379, 389 Glider
BESTFIT TRUCK PARTS
Now: $293.39Was: $325.997 Inch Black Steel Y-Pipe Hanger KitIntroducing our Y-Pipe Hanger Bracket Kit, essential for Peterbilt trucks equipped with a 7-inch long drop 90-degree elbow and full-size exhaust tee. This kit includes all you need for installation: two black steel...Now: $293.39Was: $325.99 -
On Sale
BESTfit Y-Pipe Hanger Stainless Steel 7 Inch Kit For Long Drop Elbow Peterbilt 378, 379, 389 Glider
BESTFIT TRUCK PARTS
Now: $360.89Was: $400.997 Inch Stainless Steel Y-Pipe Hanger KitIntroducing our Y-Pipe Hanger Bracket Kit, a perfect solution for Peterbilt trucks equipped with a 7-inch long drop 90-degree elbow and full-size exhaust tee. This kit includes two stainless steel exhaust tee pipe...Now: $360.89Was: $400.99 -
On Sale
BESTfit Y-Pipe Hanger Black Steel 6 Inch Kit For Long Drop Elbow Peterbilt 378, 379, 389 Glider
BESTFIT TRUCK PARTS
Now: $286.19Was: $317.996 Inch Black Steel Y-Pipe Hanger KitIntroducing our Y-Pipe Hanger Bracket Kit, complete with all the necessary mounting hardware. Specifically designed for Peterbilt trucks equipped with a 6-inch long drop 90-degree elbow and full-size exhaust tee, this...Now: $286.19Was: $317.99 -
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