Semi-Truck Frame Chassis Parts
Need semi-truck frame chassis parts? Choose from high-strength frame rails, crossmembers, and reliable fifth wheel replacement parts to keep your rig solid. Enjoy a smooth ride with quality springs and shock absorbers. Ensure stable control with our durable control arms and steering linkages. Looking for axles or frame steps? We've got those too. Shop at 4 State Trucks!
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BESTfit 4 X 8.375 Inch U-Bolt Saddle Replaces C63-6001 For Peterbilt Air Trac Suspensions
BESTFIT TRUCK PARTS
$29.99BESTfit 7 Inch Center To Center U-Bolt Top Plate Fits Peterbilt Air Trac * High Quality U-Bolt Saddle* U Bolt Saddle, Cast* 8.375 Inch OAL * 4 Inch Wide * 7 Inch Center To Center* Fits Peterbilt Air Trac Suspension* Sold Individually* Warranty On U-Bolt...$29.99 -
BESTfit Stainless Steel Air Tank U-Bolt For 8.25 Inch Diameter Tank For Peterbilt 379, 378, 386 & 389
BESTFIT TRUCK PARTS
$35.69BESTfit 8 Inch Diameter Air Tank Mounting U-BoltIntroducing our Stainless Steel Air Tank Mounting U-Bolt, designed for 8-inch air tanks. This durable accessory measures 9 inches in width, 10 inches in height, and 1 inch thick, ensuring a secure fit for...$35.69 -
U-Bolt Front Top Plate, 2.16 x 4.32 Inch - Replaces A16-15214-001 For Freightliner
AUTOMANN USA
$68.99U Bolt Front Top Plate For Freightliner Driver Side * High Quality U Bolt Front Top Plate* 4.0 Inch Sq. U Bolt* Driver Side* Includes Bumper* 2.160 Inch* 4.00 And 1.770 Inch Wide* 4.320 Inch Center To Center* Sold Individually* Warranty On U Bolt Front...$68.99 -
Frame Rail Nut Cover Set For Peterbilt
LIFETIME NUT COVERS
$165.99Frame Rail Nut Cover Kit With Bolt Covers, Bumper Buttons, Adapters And Nut CoversThis quality starter kit comes with enough nut covers and Huck adapters for one frame rail. Chrome plated, they fit Peterbilt 386, 388, 389, and 579 models. * High Quality...$165.99 -
430 Stainless Steel Rear Crossmember Cover For Kenworth W900
TURNPIKE TRUCK TRIM
$79.99Rear Crossmember Cover Fits Kenworth W900 * Made Of High Quality Stainless Steel* Sold Individually* Warranty On Rear Cross Member Cover Against Defects In Workmanship & Material From Date Of Purchase.***High Quality Aftermarket Replacement Part (Not...$79.99 -
BESTfit Premium Poly Bushing For Rear Air Suspensions - Replaces 16005092
BESTFIT TRUCK PARTS
$63.85BESTfit Premium Poly Rotational Bushing And PinLooking for a reliable replacement for your factory-style silent block and pin? Our Poly Silent Block fits the bill perfectly! With its fully rotational design, this silent block ensures smooth operation and...$63.85 -
BESTfit Polished Aluminum 8 Inch Diameter Air Tank For Peterbilt
BESTFIT TRUCK PARTS
$379.99BESTfit 8 Inch Air Tank Fits PeterbiltThis Air Tank is crafted from polished aluminum, boasting a total length of 30 inches and an 8-inch diameter. With a maximum pressure rating of 150 PSI, it features multiple threaded ports for convenient installation...$379.99 -
TPHD 40 Inch Heavy Duty Stainless Steel Pogo Stick
TPHD
$69.7140 Inch Heavy Duty Stainless Steel Pogo StickThe Pogo Stick, crafted from polished stainless steel, boasts a sturdy 40-inch length and is built to withstand harsh weather conditions. Its heavy-duty design is tailored to securely hold loose heavy hoses...$69.71 -
Bulldog HD Commercial Grade Steering Damper For Kenworth T880
BULLDOG HD SHOCKS
$75.99Commercial Grade Heavy Duty Steering DamperBulldog HD shocks are fleet tested and approved. This premium non-adjustable replacement tag axel shock is reengineered to be better than the factory part that came with your truck. It features a proprietary...$75.99 -
Sway Bar Bushing Kit Replaces C13-1007 For Kenworth AG400 Suspension-
AUTOMANN USA
$144.99Sway Bar Bushing Kit Fits Kenworth AG400 Suspension * High Quality Sway Bar Bushing Kit* Fits Newer Style AG400 Suspensions* For Trucks With 52 Or 54 Inch Axle Spacing * Tandem Axles Require 1 Kit* Sold As A Kit* Warranty on Suspenion Parts Against...$144.99 -
Spring Hanger Rear Of Steer Axle W/ MTB178 Threaded Bushing For Kenworth & Peterbilt
AUTOMANN USA
$82.00Spring Hanger For Rear Of Steer Axle For Paccar * High Quality Cast Spring Hanger* Casting Number B111033* For Rear Of Steer Axle* For 4 Inch Wide Spring* 1.250 Inch Pin Diameter* Includes 1 TB-77 Bushing* Frame Holes 3.940 Inches C To C Horizontal*...$82.00 -
Smooth Aluminum Slide-In Rail Deck Plate-18 Inch Recessed Airline Box W/ Trailer Air & 1 Hole For 7-Way Plug
IOWA CUSTOMS
$479.99Smooth Aluminum Slide-In Rail Deck Plate-18 Inch Recessed Airline Box W/ Trailer Air & 1 Hole For 7-Way Plug * High Quality Deck Plate* Made Of Smooth Aluminum* 18 Inch* Slide-In Rail * Recessed Airline Box * With Trailer Air* 1 Hole For 7-Way Plug* Made...$479.99