Kenworth T300-T450 Parts
Your Kenworth T300-T450 can hold its own on the road, but we can make you stand out even more by customizing your semi truck with quality aftermarket and custom parts and chrome accessories. Whether you want to update your KW exhaust, fenders, bumpers, seating or fuel tank, 4 State Trucks has the right aftermarket gear for the job. Hit the highway in safety and style in your Kenworth heavy duty truck or 18 wheeler.
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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 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 Fiberglass 71 X 12.5 X 14.5 Inch Whale Tail For Kenworth W/ 2.75 Inch Curve
BESTFIT TRUCK PARTS
$568.99BESTfit Kenworth Whale TailUpgrade your trailer's aerodynamics with this aftermarket Fiberglass Trim, designed to enhance airflow and improve fuel efficiency. Crafted from durable fiberglass, this trim measures 71 inches in length, 12.5 inches in height,...$568.99 -
BESTfit AC Condenser 31.25 X 15 Inch For Kenworth T300, Peterbilt 330, 335 & 340
BESTFIT TRUCK PARTS
$115.99BESTfit AC Condenser Fits Kenworth And Peterbilt * High Quality AC Condenser* Inches Core Size- 31.250 Height- 15.000 Width- 1.250 Core Thickness* Sold Individually* Warranty On AC Condenser Against Defects In Workmanship & Material From Date Of...$115.99 -
BESTfit Yellow Trailer Brake Knob
BESTFIT TRUCK PARTS
$4.02BESTfit Trailer Brake KnobUpgrade your trailer brake system with our aftermarket replacement Trailer Brake Knob, designed for durability and ease of use. Crafted from quality plastic in a vibrant yellow factory-style, this knob offers style. Sold...$4.02 -
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 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 -
BESTfit 4 X 11.375 Inch Flex Connector Replaces M66-6541-0320 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$199.99BESTfit 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 individually as an aftermarket replacement part,...$199.99 -
BESTfit Hood Latch Kit Replaces L56-0001, 13-04339, 23-13857 For Kenworth & Peterbilt
BESTFIT TRUCK PARTS
$27.29BESTfit Hood Latch KitOur hood latch kit includes essential components for proper hood closure and security. Consisting of an elastic stop nut, hood latch bracket, 1/4-20 inch x 2 inch cap screw, hood latch, and 1.390 inch hood latch bracket, this kit...$27.29