# diesel.parts — Product Reference ## What diesel.parts is diesel.parts is a browser-based, AI-assisted troubleshooting and parts-discovery website for Class 6–8 trucks. It helps owner-operators, fleet technicians, and repair shops explore likely causes of truck problems, identify checks and relevant parts, compare exact-part-number listings, and follow trucking industry updates. Website: https://diesel.parts/ Product category: Truck troubleshooting and parts comparison. ## AI-assisted truck troubleshooting Users describe a truck problem in the Repair Order form and can add truck details. The site provides AI-assisted suggestions for likely causes, diagnostic checks, and parts to inspect. Suggestions are guidance, not a confirmed mechanical diagnosis. Users should verify the findings before replacing parts or returning a vehicle to service. The optional VIN helper fills supported truck details locally. The VIN is not included in the repair-order request. Feature: https://diesel.parts/#repair-order ## Exact-part-number comparison Users enter one exact part number and optionally a manufacturer or brand. The comparison searches public listings at FinditParts, FleetPride, TruckPro, Rush Truck Centers, Cummins direct, Class8TruckParts, and PeterbiltParts.com. Searching a source does not guarantee that it will return a matching listing or usable price. Listings can be sorted by price or seller and filtered by brand, condition, and seller type. Numeric prices are distinguished from missing prices. The site labels seller-page prices separately from indexed prices, which are not live quotes. Unknown condition, quantity, or stock information remains unknown. Shipping, taxes, and core charges are not included. The lowest listed price is not necessarily the best deal, particularly across different or unspecified brands, conditions, and pack quantities. Users can open matched listings or visit any searched seller's website, even when no exact listing was returned. diesel.parts does not sell parts, take payments, or process orders. Manufacturer, part number, fitment, current price, availability, and final checkout total must be confirmed with the seller. New comparisons start only after an explicit comparison request. Reloading a shared comparison reads saved results rather than automatically starting a new provider search. Saved comparisons are temporary, and requests are subject to usage allowances. Feature: https://diesel.parts/#part-number ## Catalog browsing Truck-make and truck-system browsing provide links to external supplier catalogs. These links are not guarantees of compatibility, stock, or current price. Truck catalog: https://diesel.parts/#trucks System catalog: https://diesel.parts/#systems ## Trucking Pulse Trucking Pulse provides source-linked trucking news summaries and weekly U.S. and regional on-highway diesel fuel price data from the U.S. Energy Information Administration. News summaries are AI-assisted; readers should consult the linked original sources. The scheduled update is at 1:00 AM America/New_York. Fuel data remains weekly even though the site checks it daily; an update does not guarantee new stories or changed fuel prices. The archive covers the previous 28 completed Eastern calendar days. Feature: https://diesel.parts/#news ## Audience and representation The product is intended for owner-operators, fleet technicians, repair shops, and parts-counter users. This description does not assert named employees, certifications, review scores, client counts, consulting services, physical service areas, or financial results. ## Public reference files - https://diesel.parts/llms.txt - https://diesel.parts/llms-full.txt - https://diesel.parts/services-guide.md - https://diesel.parts/faq.md - https://diesel.parts/key-people.md - https://diesel.parts/schema.jsonld - https://diesel.parts/robots.txt - https://diesel.parts/sitemap.xml