--- title: "A Complete Guide to Kenworth and International Truck Parts " url: "https://pickuptrucktalk.com/2026/11/a-complete-guide-to-kenworth-and-international-truck-parts/" publisher: "Pickup Truck + SUV Talk" content_signal: "search=yes, ai-input=yes, ai-train=no" author: "Guest Author" published: "2026-11-03T00:33:00+00:00" modified: "2026-11-03T00:33:04+00:00" image: "https://pickuptrucktalk.com/wp-content/uploads/2026/11/Kenworth-T680-Next-Gen-and-silver-International-LT625-parked2.png" --- # A Complete Guide to Kenworth and International Truck Parts By Guest Author Published: 2026-11-03T00:33:00+00:00 Updated: 2026-11-03T00:33:04+00:00 ![Featured image]() Many owner-operators and small fleets run more than one truck brand. A Kenworth might handle long-haul freight while an International covers regional routes, or a fleet might add a second brand simply because the right used truck came along at the right price. Mixed fleets bring real advantages: more choice when buying, flexibility in specs and the chance to match each truck to the job it does best. They also bring a practical challenge, because each brand has its own model names, generation changes and fitment rules. The good news is that parts planning for a mixed fleet follows a clear logic. Once you understand how each lineup is organized, where the generation breaks fall and which components are shared across brands, ordering becomes fast and predictable. This guide walks through the essentials for Kenworth and International trucks, the two brands that often work side by side in North American fleets. ## Understanding the Two Lineups Both manufacturers build trucks for several distinct jobs, and parts catalogs are usually organized around those model families. Knowing which family a truck belongs to is the first step toward the right part. ### **Kenworth Models at a Glance** Kenworth’s highway lineup centers on aerodynamic sleepers. The T600 was the original aero model, followed by the T660, which was built from the 2008 model year into the mid-2010s. The T680 took over for the 2013 model year, and the redesigned T680 Next Gen arrived for 2022 with new bumpers, LED headlights, fairings and hood styling. For drivers who prefer a traditional look, the W900 remains the classic long-hood, while the W990 combines long-hood styling with modern aerodynamics. On the vocational side, the T800 and T880 handle construction, heavy haul and regional work, and the T370 serves medium-duty jobs such as delivery and service routes. Shopping for [Kenworth truck parts and accessories]() is easier once you know that some components are shared across models while others are not. A hood emblem may fit the T680, T660, T700, T880 and T800, and aluminum rear steps are often shared between the T660, T680 and T700. Chrome door mirror sets from the 2008–2016 era commonly fit the T660, T600 and T800. Bumpers, hoods and grilles, however, are designed for one specific model and generation. ### **International Models at a Glance** International’s long-haul story has two main chapters. The ProStar was built from 2006 to 2016, with the ProStar+ update in 2010 bringing weight savings and fuel economy improvements. In 2016 International introduced the LT Series as its replacement, often listed as the LT625 in parts catalogs. The LT was built for efficiency, with a sloped windshield, roof fairings and lightweight aluminum and carbon-fiber panels, and International claimed about 7 percent better fuel economy than the final ProStars. It is offered as a day cab and four sleeper versions in 56-inch and 73-inch depths. The rest of the lineup covers different duties. The LoneStar is the brand’s bold long-nose highway tractor and shares its basic cab with the ProStar. The TranStar is a regional day cab, the WorkStar is built for vocational work, and the DuraStar is a popular medium-duty truck for delivery and service fleets. When you source [parts for International trucks](), these model names and year ranges are the key reference points in almost every listing. ## **Generation Breaks That Affect Fitment** The most common ordering mistake in a mixed fleet is assuming that two trucks with the same model name use the same parts. Each brand has a few generation breaks worth remembering. ### **Kenworth T680: 2013–2021 vs. 2022+** The T680 Next Gen changed almost every exterior part. Bumpers for the 2022+ truck come in 17-inch chrome versions with or without fog light cutouts and with sensor provisions, and they use their own inner bumper reinforcements. Headlights moved to new LED assemblies, and the fairing system gained new upper kick panels and under-step door panels. None of these interchange with the 2013–2021 T680, so the model year must be confirmed before every order. Smaller items such as the DEF filler tank bezel are also tied to a specific generation. If a truck was bought used, check whether a previous owner swapped front-end parts, because a mixed set of components can affect which replacements fit. ### **International ProStar vs. LT** Because the LT uses a substantially revised cab and body, exterior parts such as bumpers, hoods, fairings and mirrors do not carry over from the ProStar. Within the older family, though, some components overlap: power heated door mirror sets are often listed for both the ProStar and the LoneStar. On the LT, pay attention to bumper type. A 15-inch chrome bumper with fog light and radar openings is common on 2017+ trucks, while other trucks use a plastic bumper set, and grille guards are designed for one bumper type or the other. ## **Parts That Work Across Both Brands** One of the biggest advantages of a mixed fleet is that many wear items are universal. Stocking these once covers every truck in the yard: - Quarter fenders in the standard 24 by 24 inch poly size, sold per side or as a pair. - Mud flaps, hangers and related hardware. - 22.5-inch aerodynamic wheel covers for drive axles, available with twist-and-lock fastening, plus hub caps. - Windshield wiper blades in common sizes. - Snow chains for winter routes and mountain passes. - Brake drums in standard heavy-duty sizes. - Diesel air heaters for cab comfort during rest periods. - License plate frames and high-visibility safety vests. Because these items fit both brands, a small shared inventory can replace two separate sets of spares and frees up shelf space for brand-specific components. ## **Building a Smart Spare Parts Shelf** Not every part belongs on the shelf. Large items such as bumpers, hoods and grille guards are bulky, ship by freight and are usually ordered when needed. The best candidates for stock are small, inexpensive parts that can keep a truck from passing inspection or leaving the yard: a headlight for each model, mirror glass, a fog lamp, wiper blades, a coolant reservoir and a set of mud flaps. For trucks that share components, such as Kenworth models using the same mirror set, one spare can cover several units. A simple fleet record makes everything else easier. For each truck, note the VIN, model year, build date from the door jamb label and key configuration details: bumper type, fog light openings, radar equipment, sleeper size and mirror style. Add part numbers from every component you replace. Catalogs organized by brand, model and year make it simple to match these records to the right listings. On tacoma-truckparts.com, for example, each brand is divided into individual models, and a year filter narrows the results to parts that match a specific truck. ## **Seasonal Preparation** Planning around the seasons keeps both brands working smoothly. Before winter, check chains, wiper blades, heated mirrors and cab heaters, and inspect bumper seals and lower fairings for damage from snow berms. Before summer, clean the radiator, charge air cooler and condenser stack from the engine side outward, inspect coolant reservoirs for brittle seams and look for weeping at the water pump seal. These checks take little time and prevent the breakdowns that cost the most. A short seasonal checklist kept in each cab helps drivers spot problems early. ## **Ordering and Delivery Tips** Smaller components such as headlights, mirrors, brackets and wiper blades normally ship as parcels and arrive quickly. Bumpers, hoods and grille guards travel as freight, which usually requires a commercial delivery address and a phone number the carrier can call to schedule the drop. Inspect every crate before signing and write any visible damage on the delivery receipt, since that note makes a claim simple. Grouping orders by truck rather than by part also saves time in the shop. If one Kenworth needs a bumper after a deer strike, add the brackets, reinforcements, fog light bezels and trim to the same order so the repair is done in a single visit. If an International is due for a lighting upgrade, replace both headlights and the matching trim at once so the finish stays even. For mixed fleets, it also helps to schedule similar repairs together, because technicians work faster when they handle the same model several times in a row. ## **A Quick Fitment Checklist** Whatever the brand, a few steps make every order accurate: - Confirm the model year from the tenth character of the VIN and the build date on the door jamb. - Identify the model family and generation, such as T680 versus T680 Next Gen or ProStar versus LT. - Note bumper type, fog light and radar openings, and any custom equipment. - Confirm the side: driver side is left and passenger side is right in North America. - Cross-check the part number printed or stamped on the old component. Running Kenworth and International trucks together gives a fleet the best of both brands. With a clear picture of each lineup, an eye on generation changes and a shared shelf of universal parts, keeping a mixed fleet on the road becomes a well-organized routine that saves time, money and miles of downtime. ## Structured page information ~~~json [ { "@context": "https://schema.org", "@graph": [ { "@type": "Article", "@id": "https://pickuptrucktalk.com/2026/11/a-complete-guide-to-kenworth-and-international-truck-parts/#article", "isPartOf": { "@id": "https://pickuptrucktalk.com/2026/11/a-complete-guide-to-kenworth-and-international-truck-parts/" }, "author": { "name": "Guest Author", "@id": "https://pickuptrucktalk.com/#/schema/person/0cde1bb5edcd87774e931e6b8c9c94f4" }, "headline": "A Complete Guide to Kenworth and International Truck Parts ", "datePublished": "2026-11-03T00:33:00+00:00", "dateModified": "2026-11-03T00:33:04+00:00", "mainEntityOfPage": { "@id": "https://pickuptrucktalk.com/2026/11/a-complete-guide-to-kenworth-and-international-truck-parts/" }, "wordCount": 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