BESTFIT TRUCK PARTS

BESTfit Binary Switch With Metric Fitting Style, 350/227 High & 38/40 Low OperationThis Binary Switch replaces OE number A22-43249-000 for Freightliner trucks. It features a female R134A fitting and...

2 X 55.5 Inch Steel Strap W/ Eye On 1 End & M16X2X4.125 Stud on Opposite Ends By BESTfit* High Quality Fuel Tank Strap* Black* Steel* 2.00 X 55.50 * Eye On 1 End And M16 X 2.0 X 4.125 Inch Stud On...

2 X 84 Inch Fuel Tank Liner With Lip By BESTfit Fits International With 26 Inch TanksThis 84-inch fuel tank strap liner effectively insulates the area between the strap and the tank to eliminate...

Sending Unit Block-Off Plate By BESTfitUse this block-off plate to cover the fuel tank sending unit opening. It seals the sender hole in the fuel tank. Get yours today at 4 State Trucks!* High...

BESTfit 2.25 Inch Diameter Zinc-Plated Steel Rain CapHelp keep your engine at optimal performance by covering your straight exhaust stack opening with this shiny rain cap. It will prevent...

2.25 Inch Wide Fuel Tank Strap Liner By BESTfit Fits International 9200, 9400 & 9900Protect the surface between the fuel tank and strap with this high-quality pad strap. Made of rubber, the backing...

BESTfit 0.156 Inch Thick Shim* High Quality Shim* 2.25 Inch O.D. * 1.25 Inch I.D. * 0.156 Inch Thick* Sold Individually* Warranty On Shims Against Defects In Workmanship & Material From Date Of...

Straight Valve Stem Extender By BESTfitValve stem extension helps you obtain easy access to your hard to reach front and rear valve stems. These durable brass valve extenders simplify checking and...

2.5 Inch Stainless Steel V- Band Clamp By BESTfitEnsure leak-free, heavy-duty connections with the BESTfit 2.5 Inch 304 Stainless Steel V-Band Clamp. Its precision 2.5-inch diameter and robust 304...

2.5 Inch 8 TPI Fuel Cap Locking Non-Vented By BESTfit Fits FreightlinerLocking with thermal relief mechanisms are crucial for securely sealing business class rectangle tanks with 2.5-inch 8 TPI UN...

BESTfit 2.5 Inch Diameter Zinc-Plated Steel Rain CapDo you need to cover your vertical exhaust? 4 State Trucks offers this high quality rain cap to keep precipitation and foreign objects from...

BESTfit Flexible Coolant Hose* High Quality Coolant Hose* Specialty Hose* 2.50 Inch Inside Diameter* 2.82 Inch Outside Diameter* 8.50 Inch Length* Has Stainless Steel Reinforcement Rings* Once...

Replacement 2.5 Inch Lower Coolant Tube Fits Peterbilt 579 & 587Keep your engine's cooling system performing at its best with this BESTfit 2.5 Inch Lower Coolant Tube, designed to replace OEM part...

2.5 Inch Diameter Lower Coolant Tube For Peterbilt 579 & Kenworth T800 By BESTfitMaintain your engine's cooling efficiency with the BESTfit 2.5 Inch Lower Coolant Tube for Kenworth T800 and Peterbilt...

Replacement Lower Coolant Tube 2.5 Inch DiameterKeep your cooling system operating at peak performance with this BESTfit 2.5 Inch Lower Coolant Tube, designed to replace OEM part F66-6230. Built for...

BESTfit Stainless Steel Lower Coolant Tube Fits Freightliner Century With DET 60Maintain peak engine performance with the BESTfit 2.5 Inch SS Lower Coolant Tube for Freightliner Century DET 60. Built...

Coolant Tube Fits Peterbilt 357, 377, 378 & 379 W/ CAT EngineBuilt to last, this BESTfit 2.5 Inch Stainless Steel Coolant Tube delivers reliable performance and enhanced corrosion resistance for your...

Replacement Coolant Tube Fits PeterbiltKeep your cooling system performing at its best with this BESTfit 2.5 Inch Stainless Steel Coolant Tube, designed to replace OE numbers PD0706902 and 07-06902...

Replacement Stainless Steel Coolant Tube Fits PeterbiltEnsure reliable engine cooling with this BESTfit 2.5 Inch Stainless Steel Upper Coolant Tube, designed specifically for Peterbilt trucks...

Replacement Stainless Steel 2.5 Inch Coolant Tube Fits PeterbiltReplace worn or damaged coolant components with this BESTfit Stainless Steel 2.5 Inch Upper Coolant Tube, designed to fit Peterbilt...

BESTfit 2.5 Inch Coolant Tube, Replaces A05-18551-000Maintain your Detroit Diesel 60 Series engine at optimal temperatures with this BESTfit 2.5 Inch Stainless Steel Coolant Tube with Mounting...

2.5 Inch Stainless Steel Lower Coolant Tube By BESTfit Replaces F66-2767-200 Fits Peterbilt 579 & Kenworth T680/T880This 304 stainless steel lower coolant tube replaces OEM number F66-2767-200. It...

Replacement Lower Coolant Tube 2.5 Inch Stainless Steel W/ 1 Inch Hose Ports* High Quality Lower Coolant Tube * Made Of Stainless Steel * 2.50 Inch * 3/8 Inch Threaded Fitting* 1 Inch Hose Ports*...

304 Stainless Steel 2.5 Inch Upper Coolant Tube By BESTfitKeep your Kenworth W900B or W900L running cool and performing at its best with the BESTfit 2.5 Inch Stainless Steel Upper Coolant Tube,...

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 2.5 Inch X 10 Ft Galvanized Steel Flex Hose2.5 Inch X 10 Ft Galvanized Flex Hose By BESTfit*...

2.5 Inch Upper Coolant Tube Fits Peterbilt 357, 377, 378 & 379 W/ Detroit 60 12L Or 14L EngineRestore your truck's cooling efficiency with this BESTfit 2.5 Inch Upper Coolant Tube, designed to...

BESTfit Half-Flare 2.5 Inch Diameter 3 Inches Long Marmon Flange* High Quality Marmon Flange* Made Of 304 Stainless Steel* 2.5 O.D. Wide* 3 Inches Long* 2.98 Inch Flare* Sold Individually* Warranty...

BESTfit 2.5 To 2 Inch X 6 Inch Silicone Coolant Hose* High Quality Silicone Coolant Hose* 2.5 Inch To 2 inch Diameter* 6 Inches Long* Can Be Used For CAC Hose* Temp Range -65F To +500F* Sold...

Replacement Peterbilt Coolant TubeThis BESTfit Stainless Steel 2.5 to 3 Inch Coolant Tube offers a durable and corrosion-resistant solution for connecting different coolant hose sizes. Engineered for...

Replacement SS 2.5 X 3 Inch Lower Coolant TubeKeep your Peterbilt 357, 377, 378, and 379 running cool with this BESTfit 2.5 to 3 inch stainless steel lower coolant tube. Crafted from premium 304...

SS 12 3/4 Inch DPF Flex ConnectorIntroducing the BESTfit 2.5 X 14.75 Inch Flex Connector with Flange, a replacement for OE number M66-6559. This premium connector, made in the USA, features a 2...

BESTfit AC Drier Fits GMC & ChevroletReplace your worn or damaged AC drier with the BESTfit 2.5 6.75 Inch AC Drier for GMC and Chevrolet C-Series, Kodiak, and TopKick trucks. Built from high-quality...

BESTfit Premium Poly Bushing Fits KenworthBuilt for trucks that work hard, the BESTfit 2.55 X 5.65 Inch Premium Poly Bushing delivers high-performance support for Kenworth spring eye suspensions...

BESTfit Aluminum Receiver Drier Fits International LoneStar & ProStar 2008-2011Restore reliable AC function in your International LoneStar or ProStar with the BESTfit 2.75-inch AC Drier. Constructed...

BESTfit 2.75 Inch Diameter Zinc-Plated Steel Rain CapHelp keep your engine at optimal performance by covering your straight exhaust stack opening with this shiny rain cap. It will prevent...

BESTfit Steel V-Band Clamp Fits 5.9L CumminsDo you need to replace an old worn clamp? 4 State Trucks offers this quality V-Band Clamp that will make sure the downpipes on your exhaust are securely...

BESTfit Receiver Drier* High Quality Receiver-Drier* 2.75 Inch x 10 Inch* Fits Autocar, International, Kenworth, Mack, Volvo, Western Star* Sold Individually* Warranty On Receiver Drier Against...

BESTfit Steel Receiver Drier With Male Insert O-Ring & Side Pressure Relief Valve* High Quality AC Drier* Material: Steel* 10 Inch Length * Male Insert O-Ring* 3/8 Inch #6 Inlet Size* Male Insert...

BESTfit AC Drier Fits Peterbilt & Kenworth* High Quality AC Drier* Made Of Aluminum* 2.77 Inch x 12.625 Inch* Sold Individually* Warranty On AC Drier Against Defects In Workmanship & Material From...

BESTfit AC Drier Fits Freightliner Columbia, Century, Coronado* High Quality Replacement Air Conditioner Drier* Made Of Stainless Steel* Diameter: 2.95 Inches* Length: 10 Inches* Intlet: Quick...

BESTfit AC Receiver Drier* High Quality AC Drier* 2.95 Inch D x 10.125 Inch H* With Side Mount Low Pressure Switch Port* Sold Individually* Warranty On A/C Driers Against Defects In Workmanship &...

BESTfit AC Drier 2.95 Inch x 6.12 Inch Fits International ProStar/LoneStarKeep your AC system running efficiently with the BESTfit 2.95 x 6.12-inch AC Drier for International ProStar and LoneStar...

BESTfit AC Drier Fits Kenworth* High Quality AC Drier* Dimensions:  - 9.84 Inch Height  - 2.95 Inch Diameter* Sold Individually* Warranty On Receiver Drier Against Defects In Workmanship & Material...

BESTfit Receiver Drier* High Quality Receiver Drier* Sold Individually* Warranty On Receiver Drier Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...

Flexible Rubber Sleeper Seal 20 X 3.25 InchThis Peterbilt Sleeper Boot Cab and Sleeper Seal is the flexible rubber seal you need for connecting a Unibilt sleeper to a cab. It's designed specifically...

BESTfit Hood Spring Fits PeterbiltProtect and maintain your Peterbilt hood with the BESTfit 20 Inch Black Hood Spring. Designed for heavy-duty trucks, this high-quality spring provides consistent...

20 Inch Chrome Raptor X8 Bumper W/ Boxed Ends & Mounting Plates By BESTfit Fits Peterbilt 357 SFA, 378 SFA, 379Give your Peterbilt 357 SFA, 378 SFA, or 379 a durable and sleek front-end solution with...

20 Inch Chrome Raptor X8 Bumper W/ Square Ends, Mounting & Tow Holes By BESTfit Fits Peterbilt 357, 378 SFA & 379Give your Peterbilt SFA 357, 378, or 379 a tough and polished look with the BESTfit...

20 Inch Chrome Texas Bumper W/ Boxed Ends, Mounting & Tow Holes By BESTfit Fits Kenworth W900B & W900LMake a statement with the BESTfit 20 Inch Chrome Texas Bumper, featuring boxed ends and a classic...

20 Inch Chrome Texas Bumper W/ Boxed Ends, Mounting Cutouts On Top & Bottom Flanges W/ Mounting Plates By BESTfitWhen you need a bumper that delivers both style and performance, the BESTfit 20 Inch...

20 Inch Chrome Texas Bumper W/ Hand Formed Ends & Mounting Plates By BESTfit Fits PeterbiltOutfit your Peterbilt with a strong and stylish front-end solution using the BESTfit 20 Inch Chrome Texas...

20 Inch Chrome Texas Bumper W/ Hand Formed Ends, Mouting & Tow Holes By BESTfitProtect your front end in style with the BESTfit 20 Inch Chrome Texas Bumper with Hand Formed Ends, built for Peterbilt...

20 Inch Texas Bumper W/ Hand Formed Ends, Mounting Holes & Radar Cut Out By BESTfitShow off the strength and style of your Peterbilt 389 with this 20 Inch BESTfit Texas Chrome Bumper, engineered for...

20 Inch Fiberglass Bumper W/ Tow/Vent & Fog Light Holes By BESTfit Fits Peterbilt 387Give your truck a sleek, aerodynamic look with the BestFit 20 Inch Fiberglass Bumper featuring tow, fog, and vent...

BESTfit Flywheel For 15 Inch Clutch Fits CaterpillarKeep your Caterpillar 3406E or C15 engine running efficiently with the BESTfit 20 Inch Flywheel. Replacing OEM 244-1636, it features a flat design,...

Peterbilt 379 Bumper With Boxed EndsUpgrade your truck's front end with the Bestfit 20 Inch Non-Magnetic Steel Boxed End Bumper, designed for a precise fit and superior durability. Crafted from...

BESTfit Flat Flywheel W/ 10 Inch Opening, 12 Bolt Holes, 1 Dowel Pin Hole For 15 Inch Clutch* High Quality Flywheel* Dimensions  - 20 Inch Diameter  - 15 Inch Clutch  - 10 Inch Opening* (12) Bolt...

BESTfit Kenworth SS 20 Inch Hand Formed End Texas Bumper Mounting & Tow Holes* High Quality Bumper* Made Of 11 Gauge Number 8 Finish Stainless Steel* 20 Inches* Boxed Ends* Has Cutouts For: -...

BESTfit Kenworth SS 20 Inch Hand Formed End Texas Bumper Mounting & Tow Holes* High Quality Bumper* Made Of 11 Gauge Number 8 Finish Stainless Steel* 20 Inches* Hand Formed Ends* Has Cutouts For: -...

BESTfit Peterbilt SS 20 Inch Hand Formed End Texas Bumper Mounting & Tow HolesThis BESTfit Texas bumper is 20 inches from top to bottom and has hand formed ends. Mounting and tow holes fit 1987 -...

20 Inch Miter End Bumper W/ Tow Holes & Watermelon Light Hole On Each End By BESTfitEnhance the front-end style and durability of your truck with the BESTfit 20 Inch Stainless Steel Miter End Bumper...

20 Inch Texas Boxed End Bumper W/ Mounting & Tow Holes By BESTfitBring rugged style and long-lasting performance to your classic rig with the BESTfit 20 Inch Stainless Steel Texas Boxed End Bumper,...

20 Inch Stainless Steel Texas Bumper W/ Boxed Ends, Mounting & Tow Holes, Non Magnetic By BESTfit Fits PeterbiltThis BESTfit Texas Bumper is 20 inches from top to bottom and has boxed ends. It is...

20 Inch Stainless Steel Texas Bumper W/ Hand Formed Ends, Mounting & Towing Holes, Non Magnetic By BESTfit Fits PeterbiltThe BESTfit 20 Inch Stainless Steel Texas Bumper with hand formed ends is...