2018 Jeep Grand Cherokee Parts
The 2018 Jeep Grand Cherokee came with 5 engines (3.0L V6 DIESEL Turbocharged, 3.6L V6, 5.7L V8, and more), and the right parts depend on which one you have. We list 14,715 parts across all of them — each category page below covers every engine, and each row shows which engine(s) it fits.
Parts include OEM and aftermarket brands with full part numbers and application notes — position, trim and market qualifiers — so what you order matches what the factory catalog actually specifies for this vehicle.
Browse by Engine
3.0L V6 DIESEL Turbocharged
4,320 parts · 21 categories Verified fitment3.6L V6
1,973 parts · 5 categories Verified fitment5.7L V8
827 parts · 2 categories Verified fitment6.2L V8 Supercharged
3,656 parts · 21 categories Verified fitment6.4L V8
3,939 parts · 21 categories Verified fitmentNot 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
Belt Drive Parts
192 parts · 5 subcategories · 19 brands Verified fitment Spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.Body & Lamp Assembly Parts
3,992 parts · 128 subcategories · 29 brands Verified fitment Covers the exterior panels, bumpers, mirrors, lamps and the trim that keeps weather and road debris out.Brake & Wheel Hub Parts
2,675 parts · 48 subcategories · 58 brands Verified fitment Handles stopping power and keeps each wheel turning true on its bearing and hub assembly.Cooling System Parts
503 parts · 27 subcategories · 49 brands Verified fitment Keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.Drivetrain Parts
586 parts · 30 subcategories · 28 brands Verified fitment Moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.Electrical Parts
423 parts · 34 subcategories · 25 brands Verified fitment Covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.Electrical Bulb & Socket Parts
549 parts · 24 subcategories · 11 brands Verified fitment Covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.Electrical Connector Parts
374 parts · 59 subcategories · 14 brands Verified fitment Supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.Electrical Switch & Relay Parts
382 parts · 37 subcategories · 16 brands Verified fitment Covers the switches, relays and flashers that route power to everything the driver touches.Engine Parts
836 parts · 101 subcategories · 68 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.Exhaust & Emission Parts
332 parts · 44 subcategories · 31 brands Verified fitment Carries combustion gases out safely and keeps emissions equipment — catalytic converters, O2 sensors, EGR — doing its job.Fuel & Air Parts
276 parts · 40 subcategories · 44 brands Verified fitment Meters fuel and air — pumps, injectors, filters, intake components and the sensors that balance the mixture.Heat & Air Conditioning Parts
527 parts · 30 subcategories · 37 brands Verified fitment Keeps the cabin comfortable and the windshield clear through the compressor, condenser, evaporator, heater core and blower.Ignition Parts
148 parts · 11 subcategories · 24 brands Verified fitment Delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.Interior Parts
975 parts · 71 subcategories · 17 brands Verified fitment Covers cabin hardware — seat components, handles, switch bezels, carpet, pedals and the pieces that take daily wear.Literature Parts
3 parts · 1 subcategory · 1 brand Verified fitment Covers the printed and reference material for the vehicle — owner literature, service manuals and guides.Steering Parts
138 parts · 9 subcategories · 13 brands Verified fitment Connects driver to road through the rack, pump, tie rods, and column components.Suspension Parts
868 parts · 28 subcategories · 26 brands Verified fitment Controls ride, tire contact and alignment through shocks, struts, control arms, bushings and links.Automatic Transmission Parts
257 parts · 39 subcategories · 26 brands Verified fitment Covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.Wheel Parts
194 parts · 14 subcategories · 9 brands Verified fitment Covers lug nuts, studs, hub caps, TPMS sensors and trim rings.Wiper & Washer Parts
485 parts · 18 subcategories · 27 brands Verified fitment Keeps the glass clear — blades, arms, linkages, washer pumps and nozzles.Each category page covers all 5 engine options for the 2018 Jeep Grand Cherokee — every part shows the engine(s) it fits, and an on-page filter narrows it to yours.
Confirm your configuration
Other Jeep Grand Cherokee Years
Getting Fitment Right on the 2018 Jeep Grand Cherokee
The 2018 Jeep Grand Cherokee was sold with 5 engines, and that single fact drives most fitment mistakes for this vehicle. Water pumps, radiators, belts, engine mounts, exhaust components and even brake packages can differ between engine options of the same model year. Every one of the 14,715 parts listed here shows the engine(s) it fits, and the category pages include a filter that hides everything that doesn't apply to yours.
OEM-grade and aftermarket brands are listed together wherever both publish fitment for the 2018 Jeep Grand Cherokee, each with a full part number. That makes the practical workflow simple: find the subcategory, match the part number against your old part or repair quote, then choose the brand and grade that fits how the vehicle is used.
Frequently Asked Questions
How many parts fit the 2018 Jeep Grand Cherokee?
We list 14,715 parts for the 2018 Jeep Grand Cherokee, organized into 21 categories across 5 engine options. Every part includes the brand, manufacturer part number and fitment notes.
Which engines came in the 2018 Jeep Grand Cherokee?
Our records list 3.0L V6 DIESEL Turbocharged, 3.6L V6, 5.7L V8, 6.2L V8 Supercharged, 6.4L V8. Parts frequently differ between them — a part verified for one engine is not guaranteed to fit another — so identify your engine first (emissions label under the hood, or the VIN's 8th character), then use the engine filter on each category page.
Are OEM and aftermarket parts both available for the 2018 Jeep Grand Cherokee?
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 2018 Jeep Grand Cherokee?
Search the number on this site: the result shows the part, its brand and every configuration with published fitment. If your exact year, model and engine 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.