
Kenworth T660 Parts
The Kenworth T660 semi truck model is a good example of Kenworth's commitment to providing great trucks and great value and we can make you stand out even more by customizing your semi truck with quality aftermarket and custom parts and chrome accessories from 4 State Trucks. Whether you want to update your KW exhaust, fenders, or fuel tank, 4 State Trucks has the right aftermarket parts for the job. Hit the highway in safety and style in your Kenworth heavy duty truck or 18 wheeler.
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Aluminum A/C-Heater Box With Loaded Assembly For Kenworth T600, T660, T800, W900
SOARING EAGLE
$1,399.99Kenworth Aluminum HVAC Box Replacement With All New InternalsElevate your vehicle's climate control with our Aluminum Heater Box Assembly ? an aftermarket replacement, not OEM. Crafted from durable aluminum, this AC Heater Box comes complete with...$1,399.99 -
Herd Grille Guard G3-300 Series Polished Finish
HERD BUMPERS
$2,176.99Herd Grille Guard G3-300 Series Polished Finish * High Quality Grille Guard* Polished Finish* 3 1/2 Inch Lower Tubes For Increased Protection* 2 3/4 Inch Upper Tubes For Increased Protection * Grip Latch, Easy To Use And Provides A Compressed Grip *...$2,176.99 -
Grille Guard G2-200 Series Polished Finish
HERD BUMPERS
$1,795.99Grille Guard G2-200 Series Polished Finish * High Quality Grille Guard* Polished Finish* 3 1/2 Inch Lower Tubes For Increased Protection* 2 3/4 Inch Top Tubes For Increased Protection* Grip Latch, Easy To Use And Provides A Compressed Grip *...$1,795.99 -
Herd GG-200 Series Grille Guard For PACCAR T660, T680, T800, T880, 367, 386, 567, 579, 587 SBA
HERD BUMPERS
$1,883.99Herd Grille Guard Fits Kenworth T660, T680, T800, T880 & Peterbilt 367, 386, 567, 579, 587 SBA * High Quality Grille Guard* GG-200* With 3.5 Inch License Plate Holder* Sold Individually* Warranty On Grille Guard Against Defects In Workmanship & Material...$1,883.99 -
Kenworth T680, T660, Peterbilt 579 GG-300 Grille Guard By Herd
HERD BUMPERS
$1,979.99Stainless Steel Grille Guard For PACCAR T660, T680 & 579At 4 State Trucks we carry a variety of grille guards including this Herd GG-300 Grille Guard that fits Kenworth T660, T680 and Peterbilt 579 trucks. The heavy duty stainless steel grille guard has...$1,979.99 -
Herd GG-200 Grille Guard For Kenworth T660, T680, T800, T880, Peterbilt 365, 367, 384, 386, 567, 579 & 587
HERD BUMPERS
$1,762.99Stainless Steel Grille Guard For PACCAR T660, T680 & 579Need a new grille guard? 4 State Trucks has you covered with this Herd GG-200 Grille Guard that fits Kenworth T660, T680 and Peterbilt 579 trucks. The heavy duty stainless steel grille guard has 3.5...$1,762.99 -
Stainless Steel Heater A/C Box, Pad Mount For Kenworth T660, T800, W900
SOARING EAGLE
$1,589.99Kenworth Pad Mount Type Stainless Steel HVAC Box Replacement With All New InternalsOptimize your vehicle's climate management with our Stainless Steel Complete Heater Box Assembly ? an aftermarket replacement, not OEM. This premium kit includes the...$1,589.99 -
Dual Heated & Motorized Mirrors With Harness
AFTERMARKET
$1,349.99Dual Heated & Motorized Mirrors With Harness * High Quality Motorized Mirror* Heated * With Harness And Switch Kit* Sold As Pair* Warranty On Motorized Mirrors Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$1,349.99 -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 4965304NX, 2888247NX For Cummins ISX Engine
GLOBAL EMISSIONS
$2,141.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine * High Quality Diesel Particulate Filter* Made Of 304 Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold Individually...$2,141.99 -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 1827310PEX For Cummins ISX Engine
GLOBAL EMISSIONS
$2,021.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine * High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold Individually *...$2,021.99 -
1-Piece Stainless Steel Diesel Particulate Filter Replaces 2871578 For Cummins ISX Engine
GLOBAL EMISSIONS
$2,029.991-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISX Engine * High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold Individually *...$2,029.99 -
Billet Steel One Piece CAT C15 Performance Exhaust Manifold
STEED SPEED
$1,999.99Performance Exhaust Manifold For Caterpillar C15 EnginesA beautifully crafted CNC billet steel masterpiece! Far superior performance than any other product. EGTs were 150 degrees lower than even the best aftermarket manifold while spooling the turbo...$1,999.99