1998 Kenworth T300 Parts
The 1998 Kenworth T300 shipped with one engine — the 8.3L L6 DIESEL Turbocharged — and 45 matched parts listed for it. Pick a parts category below to see every part matched to it.
Every part carries its brand and manufacturer part number, so you can compare OEM-grade and aftermarket options for the same fitment and cross-reference the number against the part you're replacing before anything goes in the cart.
Browse by Engine
Not sure which engine you have? Check the emissions label under the hood, your registration, or decode the VIN — the 8th character usually identifies the engine.
Parts by Category
Body & Lamp Assembly Parts
3 parts · 2 subcategories · 1 brand Verified fitment Covers the exterior panels, bumpers, mirrors, lamps and the trim that keeps weather and road debris out.Brake & Wheel Hub Parts
3 parts · 1 subcategory · 2 brands Verified fitment Handles stopping power and keeps each wheel turning true on its bearing and hub assembly.Cooling System Parts
6 parts · 2 subcategories · 1 brand Verified fitment Keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.Electrical Parts
8 parts · 3 subcategories · 3 brands Verified fitment Covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.Electrical Switch & Relay Parts
2 parts · 2 subcategories · 2 brands Verified fitment Covers the switches, relays and flashers that route power to everything the driver touches.Engine Parts
3 parts · 1 subcategory · 2 brands Verified fitment Covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.Fuel & Air Parts
13 parts · 3 subcategories · 4 brands Verified fitment Meters fuel and air — pumps, injectors, filters, intake components and the sensors that balance the mixture.Heat & Air Conditioning Parts
4 parts · 3 subcategories · 2 brands Verified fitment Keeps the cabin comfortable and the windshield clear through the compressor, condenser, evaporator, heater core and blower.Suspension Parts
2 parts · 1 subcategory · 1 brand Verified fitment Controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links.Automatic Transmission Parts
1 part · 1 subcategory · 1 brand Verified fitment Covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.Confirm your configuration
Other Kenworth T300 Years
Getting Fitment Right on the 1998 Kenworth T300
The 1998 Kenworth T300 shipped with a single engine — the 8.3L L6 DIESEL Turbocharged — which keeps fitment straightforward: all 45 parts listed for this model year are matched to that configuration. What still deserves attention is the notes column on each part, where position (front/rear, left/right), trim and production-date qualifiers live.
Every part across the 10 categories shows its brand and manufacturer part number. Use the number to cross-reference: match it to the part coming off the vehicle, compare an OEM-supplier part against its aftermarket equivalent, or verify a shop's estimate line by line. When a number is discontinued, the same-fitment parts around it are the fastest path to a current replacement.
Frequently Asked Questions
How many parts fit the 1998 Kenworth T300?
We list 45 parts for the 1998 Kenworth T300, organized into 10 categories. Every part includes the brand, manufacturer part number and fitment notes.
Which engine does the 1998 Kenworth T300 have?
A single engine is listed for this model year: the 8.3L L6 DIESEL Turbocharged. Every part listed for the 1998 Kenworth T300 is matched to it, so there's no engine ambiguity — just check the notes column for position and trim qualifiers.
Are OEM and aftermarket parts both available for the 1998 Kenworth T300?
Yes — parts come from original-equipment suppliers and established aftermarket brands, shown side by side with their part numbers where both cover the same fitment. Cross-referencing those numbers is how you confirm an aftermarket part genuinely replaces the OEM one.
How do I verify a part number fits my 1998 Kenworth T300?
Search the number on this site: the result shows the part, its brand and every configuration with published fitment. If your exact year, model appear in that list, the number is a match. The notes column carries any remaining qualifiers — position, trim or production date.
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.