2003 MG ZT Parts

Our catalog shows a single engine for the 2003 MG ZT: the 2.5L V6. All 72 parts listed for this model year are matched to it — browse them by category below.

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

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

Brake & Wheel Hub Parts

20 parts · 3 subcategories · 5 brands Verified fitment Handles stopping power and keeps each wheel turning true on its bearing and hub assembly.

Cooling System Parts

14 parts · 3 subcategories · 6 brands 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

3 parts · 3 subcategories · 2 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

12 parts · 5 subcategories · 1 brand Verified fitment Covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.

Electrical Connector Parts

1 part · 1 subcategory · 1 brand Verified fitment Supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.

Electrical Switch & Relay Parts

1 part · 1 subcategory · 1 brand Verified fitment Covers the switches, relays and flashers that route power to everything the driver touches.

Engine Parts

15 parts · 8 subcategories · 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.

Exhaust & Emission Parts

1 part · 1 subcategory · 1 brand Verified fitment Carries combustion gases out safely and keeps emissions equipment — catalytic converters, O2 sensors, EGR — doing its job.

Fuel & Air Parts

1 part · 1 subcategory · 1 brand Verified fitment Meters fuel and air — pumps, injectors, filters, intake components and the sensors that balance the mixture.

Steering Parts

4 parts · 1 subcategory · 1 brand Verified fitment Connects driver to road through the rack, pump, tie rods, and column components.

Confirm your configuration

Other MG ZT Years

Getting Fitment Right on the 2003 MG ZT

The 2003 MG ZT shipped with a single engine — the 2.5L V6 — which keeps fitment straightforward: all 72 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.

OEM-grade and aftermarket brands are listed together wherever both publish fitment for the 2003 MG ZT, 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 2003 MG ZT?

We list 72 parts for the 2003 MG ZT, organized into 10 categories. Every part includes the brand, manufacturer part number and fitment notes.

Which engine does the 2003 MG ZT have?

A single engine is listed for this model year: the 2.5L V6. Every part listed for the 2003 MG ZT 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 2003 MG ZT?

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 2003 MG ZT?

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.