39 Engine parts are listed for the 2021 Mazda 2, in 15 part types, covering the 1.5L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Mazda 2, 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. Most of the listed parts are Valve Stem Seal (6 parts), Oil Drain Plug (5 parts) and Oil Drain Plug Gasket (5 parts). The other 12 part types cover the remaining 23 parts.
The 2021 Mazda 2 came with a single engine, the 1.5L L4, and every part is verified against it.
7 brands supply engine parts for the 2021 Mazda 2, led by ELRING (17 parts), AJUSA (14 parts) and DORMAN (2 parts), plus 4 more brands. Quality grades include Economy, High Performance / Heavy Duty and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Mazda 2. 3 parts have it, including ELRING 523500 (Oil Drain Plug) and DORMAN 095147 (Oil Drain Plug Gasket). Each part number opens a page with every vehicle that part fits.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54316900 | 🇲🇽 MX | Engine # P5Z9,P5X0,P5Z8 | 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 2021 Mazda 2 — AJUSA 54316900.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15105400 | 🇲🇽 MX | FrontClockwise | View on Amazon |
| AJUSA | 15105500 | 🇲🇽 MX | RearCounter Clockwise | View on Amazon |
| ELRING | 935590 | 🇲🇽 MX | Inner Diameter [mm]: 82Material: FPM (Fluoride Rubber) | View on Amazon |
| ELRING | 935630 | 🇲🇽 MX | Inner Diameter [mm]: 43Material: FPM (Fluoride Rubber) | 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 2021 Mazda 2 come from 2 brands — AJUSA and ELRING.
This group includes AJUSA 15105400, AJUSA 15105500 and ELRING 935590 and the remaining parts above.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10224700 | 🇲🇽 MX | Multi Layered Steel | View on Amazon |
| ELRING | 085500 | 🇲🇽 MX | Diameter [MM]: 76 | 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 2021 Mazda 2, from AJUSA and ELRING.
This group includes AJUSA 10224700 and ELRING 085500.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 52459200 | 🇲🇽 MX | Engine # P5Z9,P5X0,P5Z8 | View on Amazon |
| ELRING | 086910 | 🇲🇽 MX | i Model | 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.
2 Cylinder Head Gasket Set parts are listed for the 2021 Mazda 2, from AJUSA and ELRING.
Part numbers include AJUSA 52459200 and ELRING 086910.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 50539500 | 🇲🇽 MX | Engine # P5Z9,P5X0,P5Z8 | View on Amazon |
| ELRING | 094680 | 🇲🇽 MX | i Model | 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.
2 Engine Kit Gasket Set parts are listed for the 2021 Mazda 2, from AJUSA and ELRING.
Part numbers include AJUSA 50539500 and ELRING 094680.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13273000 | 🇲🇽 MX | Engine # P5Z9,P5X0,P5Z8 | View on Amazon |
| ELRING | 085530 | 🇲🇽 MX | i Model | 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.
2 Intake Manifold Gasket parts are listed for the 2021 Mazda 2, from AJUSA and ELRING.
Part numbers include AJUSA 13273000 and ELRING 085530.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Popular | 523500 | 🇲🇽 MX | with Seal RingBolt Head-/Nut Design: Male Hex | View on Amazon |
| ELRING | 523480 | 🇲🇽 MX | without Seal RingThread Size: M14X1,5x15 | View on Amazon |
| ELRING | 087210 | 🇲🇽 MX | Thread Size: M14X1,5x16 | View on Amazon |
| ELRING | 105610 | 🇲🇽 MX | with Seal RingThread Size: M14X1,5x16 | View on Amazon |
| ELRING | 105630 | 🇲🇽 MX | with Seal RingBolt Head-/Nut Design: Male Hex | View on Amazon |
This table covers the drain plugs in the oil pan.
5 Oil Drain Plug parts for the 2021 Mazda 2 come from ELRING. The "Popular" part is ELRING 523500.
This group includes ELRING 523500, ELRING 523480 and ELRING 087210 and the remaining parts above.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 095147 | 🇲🇽 MX | SizeM14 | View on Amazon |
| AJUSA | 22007000 | 🇲🇽 MX | Engine # P5Z9,P5X0,P5Z8 | View on Amazon |
| DORMAN | 995147CD | 🇲🇽 MX | View on Amazon | |
| ELRING | 115100 | 🇲🇽 MX | Inside Diameter: 14.0 mmMaterial: Copper | View on Amazon |
| JAPANESE OE | KW32004 | 🇲🇽 MX | KP | 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.
5 Oil Drain Plug Gasket parts are listed for the 2021 Mazda 2, from DORMAN, AJUSA, ELRING and 1 other brand. DORMAN 095147 carries the "Popular" badge.
Listed part numbers: DORMAN 095147, AJUSA 22007000 and DORMAN 995147CD, plus the other parts above.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PG4612 | 🇲🇽 MX | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL | M1110A | 🇲🇽 MX | Extended Performance | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PG4612EX | 🇲🇽 MX | Extended Life | 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 2021 Mazda 2 come from 2 brands — VARIOUS MFR and MOBIL.
The Economy section lists 1 option from VARIOUS MFR — the catalog's value-priced group. VARIOUS MFR PG4612 is listed in this group.
The High Performance / Heavy Duty section lists 1 option from MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1110A is listed in this group.
In the Standard Replacement grade, VARIOUS MFR supplies 1 part: built to original-equipment specification. A representative part number is VARIOUS MFR PG4612EX.
Listed part numbers: VARIOUS MFR PG4612, MOBIL M1110A and VARIOUS MFR PG4612EX.
Oil Pressure Relief Valve Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | 935610 | 🇲🇽 MX | Engine Block,Valve Uniti Model | View on Amazon |
This table covers the gaskets that seal the Oil Pressure Relief Valve. 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 2021 Mazda 2 — ELRING 935610.
Piston Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS MANUFACTURING | 2N6272 | 🇲🇽 MX | Full SetFor 2 Ring Piston | View on Amazon |
| HASTINGS MANUFACTURING | 2N6272S | 🇲🇽 MX | 1 Cylinder SetFor 2 Ring Piston | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
HASTINGS MANUFACTURING supplies both parts for the 2021 Mazda 2.
Listed part numbers: HASTINGS MANUFACTURING 2N6272 and HASTINGS MANUFACTURING 2N6272S.
Timing Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 77091300 | 🇲🇽 MX | View on Amazon |
This table covers the gaskets that seal the Timing Cover. 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 77091300.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 11143200 | 🇲🇽 MX | Engine # P5Z9,P5X0,P5Z8 | View on Amazon |
| ELRING | 085520 | 🇲🇽 MX | Material: ACM (Polyacrylate) | 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.
2 Valve Cover Gasket parts for the 2021 Mazda 2 come from 2 brands — AJUSA and ELRING.
Part numbers include AJUSA 11143200 and ELRING 085520.
Valve Lifter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 85009300 | 🇲🇽 MX | Engine # P5Z9,P5X0,P5Z8 | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
This group shows a single part: AJUSA 85009300.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA Popular | 57070800 | 🇲🇽 MX | Engine # P5Z9,P5X0,P5Z8 | View on Amazon |
| AJUSA | 12034400 | 🇲🇽 MX | IntakeEngine # P5Z9,P5X0,P5Z8 | View on Amazon |
| AJUSA | 12034500 | 🇲🇽 MX | ExhaustEngine # P5Z9,P5X0,P5Z8 | View on Amazon |
| ELRING | 936060 | 🇲🇽 MX | SetMaterial: FPM (fluoride rubber) | View on Amazon |
| ELRING | 935960 | 🇲🇽 MX | Colour: GreenHeight [MM]: 10,5 | View on Amazon |
| ELRING | 935990 | 🇲🇽 MX | Colour: GreyHeight [MM]: 10,5 | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. 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.
6 Valve Stem Seal parts for the 2021 Mazda 2 come from 2 brands — AJUSA and ELRING. The "Popular" part is AJUSA 57070800.
Part numbers include AJUSA 57070800, AJUSA 12034400 and AJUSA 12034500, among others listed above.
Buying Engine Parts for a 2021 Mazda 2
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 1.5L 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: Valve Stem Seal and Oil Drain Plug .
Frequently Asked Questions
How many engine parts fit the 2021 Mazda 2?
Our catalog currently lists 39 engine parts for the 2021 Mazda 2 across 15 subcategories and 7 brands, covering the 1.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2021 Mazda 2?
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 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 2021 Mazda 2 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 2021 Mazda 2?
Every part on this page is matched to the 1.5L 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 2021 Mazda 2
Engine Parts for Other Mazda 2 Years
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