This page lists 30 engine parts for the 2004 MG TF, across 14 part types, covering the 1.8L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2004 MG TF, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. 13 parts of the 30 listed are Oil (6 parts), Crankshaft Seal (4 parts) and Cylinder Head Gasket Set (3 parts). The other 11 part types cover the remaining 17 parts.
The 2004 MG TF came with a single engine, the 1.8L L4, and every part is verified against it.
7 brands supply engine parts for the 2004 MG TF, led by AJUSA (17 parts), VALVOLINE (6 parts) and VICTOR REINZ (2 parts), plus 4 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2004 MG TF. 2 parts have it, including VALVOLINE VV966 (Oil) and VALVOLINE VV179 (Oil). Each part number opens a page with every vehicle that part fits.
Camshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15008100 | 🇲🇽 MX | 30 x 40 x 7Clockwise | View on Amazon |
| AJUSA | 15056300 | 🇲🇽 MX | 30 x 40 x 7Counter Clockwise | View on Amazon |
This table covers the seals at each camshaft end. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
2 Camshaft Seal parts for the 2004 MG TF come from AJUSA.
Listed part numbers: AJUSA 15008100 and AJUSA 15056300.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54078900 | 🇲🇽 MX | Engine # 18K4K(VVC), 18K16 | View on Amazon |
This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2004 MG TF — AJUSA 54078900.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15045300 | 🇲🇽 MX | Front27 X 39.5 X 7 | View on Amazon |
| AJUSA | 15045400 | 🇲🇽 MX | Rear79 X 116/125.5 X 7.5 | View on Amazon |
| VICTOR REINZ | 813484200 | 🇲🇽 MX | Fits Frontwith Engine Code 18 K4F | View on Amazon |
| VICTOR REINZ | 813834200 | 🇲🇽 MX | Fits Rearwith Engine Code 18 K4F | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
4 Crankshaft Seal parts for the 2004 MG TF come from 2 brands — AJUSA and VICTOR REINZ.
Part numbers include AJUSA 15045300, AJUSA 15045400 and VICTOR REINZ 813484200, among others listed above.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 81026400 | 🇲🇽 MX | Engine # 18K4K(VVC), 18K16 | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
One part is listed for the 2004 MG TF — AJUSA 81026400.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10071400 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| ELRING | 167411 | 🇲🇽 MX | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Cylinder Head Gasket parts are listed for the 2004 MG TF, from AJUSA and ELRING.
Listed part numbers: AJUSA 10071400 and ELRING 167411.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 52138200 | 🇲🇽 MX | Engine 18K4K(VVC) | View on Amazon |
| AJUSA | 52172300 | 🇲🇽 MX | Engine # 18K16 | View on Amazon |
| ELRING | 167381 | 🇲🇽 MX | Steel Elastomerwith valve stem seals | View on Amazon |
This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
3 Cylinder Head Gasket Set parts are listed for the 2004 MG TF, from AJUSA and ELRING.
Listed part numbers: AJUSA 52138200, AJUSA 52172300 and ELRING 167381.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 50151300 | 🇲🇽 MX | Engine 18K4K(VVC) | View on Amazon |
| AJUSA | 50186200 | 🇲🇽 MX | Engine # 18K16 | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
AJUSA supplies both parts for the 2004 MG TF.
This group includes AJUSA 50151300 and AJUSA 50186200.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13120100 | 🇲🇽 MX | Engine # 18K16 | View on Amazon |
| AJUSA | 13120300 | 🇲🇽 MX | Engine 18K4K(VVC) | View on Amazon |
This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
AJUSA supplies both parts for the 2004 MG TF.
Listed part numbers: AJUSA 13120100 and AJUSA 13120300.
Intake Plenum Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 00753300 | 🇲🇽 MX | Engine 18K4K (VVC) | View on Amazon |
This table covers the gaskets that seal the Intake Plenum. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
This group shows a single part: AJUSA 00753300.
Oil
Summary: Notes list SAE 5W-30 and SAE 5W-40. Confirm the weight on the filler cap before you buy. Replacement brands in this table include VALVOLINE.
Full Synthetic
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | VV966 | 🇲🇽 MX | European Vehicle Full Synthetic SAE 5W-401 Quart | View on Amazon |
| VALVOLINE | 881166 | 🇲🇽 MX | European Vehicle Full Synthetic SAE 5W-40Easy Pour 5 Quart | View on Amazon |
| VALVOLINE | 881050 | 🇲🇽 MX | European Vehicle Full Synthetic SAE 5W-405 Gallon Bay Box | View on Amazon |
High Mileage (>75,000 Miles)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | VV179 | 🇲🇽 MX | Full Synthetic High Mileage with Max Life Technology SAE 5W-301 Quart | View on Amazon |
| VALVOLINE | 881169 | 🇲🇽 MX | Full Synthetic High Mileage with Max Life Technology SAE 5W-30Easy Pour 5 Quart | View on Amazon |
| VALVOLINE | 881057 | 🇲🇽 MX | Max Life Full Synthetic High Mileage SAE 5W-305 Gallon Bay Box | View on Amazon |
This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.
6 Oil parts for the 2004 MG TF come from VALVOLINE. The "Popular" part is VALVOLINE VV966.
The Full Synthetic section lists 3 options from VALVOLINE — full-synthetic oils. VALVOLINE VV966 is listed in this group.
In the High Mileage (>75,000 Miles) grade, VALVOLINE supplies 3 parts: oils grouped for high-mileage engines. A representative part number is VALVOLINE VV179.
Listed part numbers: VALVOLINE VV966, VALVOLINE 881166 and VALVOLINE 881050, plus the other parts above.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 22007400 | 🇲🇽 MX | Engine # 18K16 | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2004 MG TF — AJUSA 22007400.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PG7819 | 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HENGST | H90W29 | 🇲🇽 MX | Spin-on | View on Amazon |
| MAHLE / CLEVITE | OC2371 | 🇲🇽 MX | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
3 Oil Filter parts for the 2004 MG TF come from 3 brands — VARIOUS MFR, HENGST and MAHLE / CLEVITE.
The Economy section lists 1 option from VARIOUS MFR — the catalog's value-priced group. VARIOUS MFR PG7819 is listed in this group.
In the Standard Replacement grade, HENGST and MAHLE / CLEVITE supply 2 parts: built to original-equipment specification. A representative part number is HENGST H90W29.
Listed part numbers: VARIOUS MFR PG7819, HENGST H90W29 and MAHLE / CLEVITE OC2371.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 11064700 | 🇲🇽 MX | Engine # 18K4K(VVC), 18K16 | View on Amazon |
This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
This group shows a single part: AJUSA 11064700.
Valve Lifter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 85014200 | 🇲🇽 MX | Engine # 18K16 | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
This group shows a single part: AJUSA 85014200.
Buying Engine Parts for a 2004 MG TF
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- Confirm you have the 1.8L L4 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil and Crankshaft Seal .
Frequently Asked Questions
How many engine parts fit the 2004 MG TF?
Our catalog currently lists 30 engine parts for the 2004 MG TF across 14 subcategories and 7 brands, covering the 1.8L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2004 MG TF?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2004 MG TF?
Oil rows on this page include SAE 5W-30 and SAE 5W-40. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2004 MG TF was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2004 MG TF?
Every part on this page is matched to the 1.8L L4 engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2004 MG TF
Engine Parts for Other MG TF Years
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