BESTFIT TRUCK PARTS
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BESTfit 4 To 3.5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer Pipe
BESTFIT TRUCK PARTS
$25.19BESTfit 4 To 3.5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeIntroducing the Aluminized Exhaust Reducer, engineered from durable aluminized steel to ensure longevity. Featuring...$25.19 -
BESTfit 4 To 5 Inch Steel Exhaust Expander
BESTFIT TRUCK PARTS
$22.57BESTfit Exhaust ExpanderEnhance your exhaust system effortlessly with our Aluminized Steel Exhaust Expanders. Crafted to transition seamlessly from a 4-inch outer diameter to a 5-inch inner diameter,...$22.57 -
BESTfit 4 To 6.125 Inch Large Hose Clamp
BESTFIT TRUCK PARTS
$17.33BESTfit Large Hose ClampUpgrade your exhaust system with our versatile clamp, designed to fit pipes ranging from 4 inches to 6 1/8 inches in diameter. Crafted with durability in mind, this clamp...$17.33 -
BESTfit 4 X 11.375 Inch Flex Connector Replaces M66-6541-0320 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$223.99BESTfit DPF Exhaust Flex Connector PipeOur Flex Connector, crafted in the USA, boasts a 4-inch flange by 4-inch flange dimension, compressed to 11.375 inches. Ensuring top-notch quality, it's sold...$223.99 -
BESTfit 4 X 12 Inch Stainless Steel Miter Cut Tip
BESTFIT TRUCK PARTS
$156.99BESTfit 4 X 12 Inch Stainless Steel Miter Cut TipIntroducing our Stainless Steel Miter, designed for durability and performance. With dimensions of 4 inches in diameter and 12 inches in length,...$156.99 -
BESTfit 4 X 12 X 26 Inch Aluminized Steel Universal Type A Y-Pipe With Divider Plate
BESTFIT TRUCK PARTS
$299.99BESTfit 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...$299.99 -
BESTfit 4 X 12 X 9.5 Inch Aluminized Steel Universal Type C Y-Pipe
BESTFIT TRUCK PARTS
$174.99Aluminized Steel Type C Universal Y-PipeIntroducing our Y Pipe, constructed from robust aluminized steel for durability and longevity. This Y-shaped component boasts dimensions of 4 inches in...$174.99 -
BESTfit 4 X 12.25 Inch Flex Connector W/ Flange Replaces M6665410335 & M6670910335 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$287.99BESTfit 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...$287.99 -
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,...$272.99 -
BESTfit 4 X 14.75 Inch Charge Air Cooler Hose & Clamps Replaces 17021A For Freightliner
BESTFIT TRUCK PARTS
$100.99BESTfit Charge Air Cooler Hose Fits Freightliner * High Quality Charge Air Cooler Hose* 4 X 14.75 Inches* Includes Clamps* Sold Individually* Warranty On Air Cooler Hoses Against Defects In...$100.99 -
BESTfit 4 X 16 X 10.5 Inch Aluminized Steel Universal Type B Y-Pipe
BESTFIT TRUCK PARTS
$204.99BESTfit 4 X 16 X 10.5 Inch Aluminized Steel Universal Type B Y-PipeIntroducing our Y Pipe, crafted from durable aluminized steel for long-lasting performance. Featuring a Y-shaped design with...$204.99 -
BESTfit 4 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler
BESTFIT TRUCK PARTS
$62.99BESTfit 4 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler * High Quality Internal Muffler* Aluminized Steel * 16 Gauge* Dimensions- 4 Inch Diameter- 18 Inch Length* Works Well With 36 Inch...$62.99