2024 Mazda CX-30 Engine Parts

This table covers the Balance Shaft sprockets. Read more

One part is listed for the 2024 Mazda CX-30 — MELLING S1246.

This table covers the bearings in the connecting-rod big ends. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

One part is listed for the 2024 Mazda CX-30 — TOPLINE RBMA31.

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. Read more

3 Conversion / Lower Gasket Set parts are listed for the 2024 Mazda CX-30, from AJUSA, MAHLE / CLEVITE and TOPLINE.

Listed part numbers: AJUSA 54210500, MAHLE / CLEVITE CS55462 and TOPLINE CBSMA31T.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

2 Crankshaft Main Bearing parts for the 2024 Mazda CX-30 come from TOPLINE.

This group includes TOPLINE MBMA31 and TOPLINE TWMA31.

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. Read more

3 Crankshaft Seal parts for the 2024 Mazda CX-30 come from 2 brands — AJUSA and MAHLE / CLEVITE.

Listed part numbers: AJUSA 15105400, AJUSA 15105500 and MAHLE / CLEVITE 68118.

This table covers the bolts that clamp the cylinder head to the block. Read more

2 Cylinder Head Bolt parts are listed for the 2024 Mazda CX-30, from AJUSA and FEL-PRO.

Listed part numbers: AJUSA 81035200 and FEL-PRO ES73884.

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. Read more

3 Cylinder Head Gasket parts are listed for the 2024 Mazda CX-30, from AJUSA, FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: AJUSA 10215400, FEL-PRO 26831PT and MAHLE / CLEVITE 55462.

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. Read more

2 Cylinder Head Gasket Set parts are listed for the 2024 Mazda CX-30, from AJUSA and TOPLINE.

This group includes AJUSA 52403400 and TOPLINE HSMA31T.

This table covers the Engine covers. Read more

6 Engine Cover parts are listed for the 2024 Mazda CX-30, from TECHPRO and VARIOUS MFR. TECHPRO MA1228137 carries the "Popular" badge.

Listed part numbers: TECHPRO MA1228137, TECHPRO MA1228135 and TECHPRO MA1228131, plus the other parts above.

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. Read more

2 Engine Kit Gasket Set parts are listed for the 2024 Mazda CX-30, from AJUSA and TOPLINE.

Part numbers include AJUSA 50366500 and TOPLINE CGSMA31T.

This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

This group shows a single part: TOPLINE EVMA31.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

One part is listed for the 2024 Mazda CX-30 — DAYCO PB1819N.

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. Read more

2 Intake Manifold Gasket parts are listed for the 2024 Mazda CX-30, from AJUSA and MAHLE / CLEVITE.

Listed part numbers: AJUSA 13261100 and MAHLE / CLEVITE MS20605.

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

This group shows a single part: TOPLINE IVMA31.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

3 Motor Mount parts for the 2024 Mazda CX-30 come from 2 brands — ANCHOR and WESTAR.

This group includes ANCHOR 10203, ANCHOR 10375 and WESTAR EM7523.

This table covers the Motor Mount kits. Read more

This group shows a single part: ANCHOR 300907.

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. Read more

40 Oil parts for the 2024 Mazda CX-30 come from 7 brands — VALVOLINE, MOBIL, LIQUI MOLY and 4 other brands. The "Popular" part is LIQUI MOLY 20228. Full Synthetic, High Mileage (>75,000 Miles) and Synthetic Blend are all represented, and Full Synthetic alone accounts for 23 parts.

This table covers the gaskets that seal the Oil Cooler. 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. Read more

2 Oil Cooler Gasket parts are listed for the 2024 Mazda CX-30, from FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: FEL-PRO ES73909 and MAHLE / CLEVITE GS34069.

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. Read more

3 Oil Drain Plug Gasket parts are listed for the 2024 Mazda CX-30, from DORMAN and AJUSA.

Listed part numbers: AJUSA 22007000, DORMAN 095147 and DORMAN 995147CD.

This table covers the caps on the oil filler neck. Read more

3 Oil Filler Cap parts for the 2024 Mazda CX-30 come from 3 brands — CALORSTAT, GATES and MOTORAD.

This group includes CALORSTAT OC2330, GATES 31295 and MOTORAD MO147.

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. Read more

5 Oil Filter parts for the 2024 Mazda CX-30 come from 4 brands — VARIOUS MFR, CHAMP / LUBER-FINER, MOBIL and 1 other brand. The "Popular" part is MOBIL M1108A.

The Economy section lists 2 options from CHAMP / LUBER-FINER and VARIOUS MFR — the catalog's value-priced group. CHAMP / LUBER-FINER PH2876 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 M1108A is listed in this group.

In the Standard Replacement grade, HASTINGS / BALDWIN and VARIOUS MFR supply 2 parts: built to original-equipment specification. A representative part number is HASTINGS / BALDWIN LF113.

This group includes MOBIL M1108A, CHAMP / LUBER-FINER PH2876 and VARIOUS MFR PG4612 and the remaining parts above.

This table covers the Oil Filter Adapter Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

2 Oil Filter Adapter Gasket / O-Ring parts are listed for the 2024 Mazda CX-30, from FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO 73777 and MAHLE / CLEVITE B33767.

This table covers the Oil Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Oil Level Sensor parts for the 2024 Mazda CX-30 come from 2 brands — HELLA and STANDARD MOTOR PRODUCTS.

Part numbers include HELLA 011544031 and STANDARD MOTOR PRODUCTS FLS355.

This table covers the chains that drive the oil pump. Read more

One part is listed for the 2024 Mazda CX-30 — MELLING 1112.

This table covers the Oil Pump Chain guides. Read more

One part is listed for the 2024 Mazda CX-30 — MELLING BG7073.

This table covers the Oil Pump Chain tensioners. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

This group shows a single part: MELLING BT7090.

This table covers the Oil Pump sprockets. Read more

One part is listed for the 2024 Mazda CX-30 — MELLING S1248.

This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo. Read more

One part is listed for the 2024 Mazda CX-30 — TOPLINE PAMA31T.

This table covers the rings that seal each piston to the cylinder wall. Read more

3 Piston Ring parts are listed for the 2024 Mazda CX-30, from HASTINGS MANUFACTURING and TOPLINE.

Listed part numbers: HASTINGS MANUFACTURING 2N6037, HASTINGS MANUFACTURING 2P6029 and TOPLINE RSMA31T.

This table covers the timing chains that keep the cams in time with the crank. Read more

One part is listed for the 2024 Mazda CX-30 — MELLING 1065.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

6 Timing Chain & Component Kit parts for the 2024 Mazda CX-30 come from 3 brands — MELLING, INA and TOPLINE. The "Popular" part is MELLING 31065SX.

Listed part numbers: MELLING 31065SX, MELLING 31065S and INA ZC76342T, plus the other parts above.

This table covers the guides and dampers that keep the timing chain on its path. Read more

MELLING supplies the 3 Timing Chain Guide / Damper parts for the 2024 Mazda CX-30.

Part numbers include MELLING BT7027, MELLING BG7029 and MELLING BG7030.

This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

2 Timing Chain Tensioner parts for the 2024 Mazda CX-30 come from 2 brands — INA and MELLING.

This group includes INA ZT0269 and MELLING BT7029.

This table covers the seals at the Timing Cover. 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. Read more

3 Timing Cover Seal parts for the 2024 Mazda CX-30 come from 3 brands — MAHLE / CLEVITE, SKF and WJB / INMOTION PARTS.

Part numbers include MAHLE / CLEVITE 68083, SKF 16880A and WJB / INMOTION PARTS WS16880A.

This table covers the crankshaft sprockets that drive the timing chain or belt. Read more

3 Timing Crank Sprocket parts for the 2024 Mazda CX-30 come from 2 brands — MELLING and INA.

This group includes INA ZS0298, MELLING S1245 and MELLING S1247.

This table covers the Torque Strut mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

2 Torque Strut Mount parts are listed for the 2024 Mazda CX-30, from ANCHOR and PIONEER.

This group includes ANCHOR 10212 and PIONEER 630212.

This table covers the turbochargers that compress intake air. Read more

This group shows a single part: GPD 2513005.

This table covers the gaskets that seal the Turbocharger. 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. Read more

4 Turbocharger Gasket parts are listed for the 2024 Mazda CX-30, from MAHLE / CLEVITE and GPD.

Listed part numbers: GPD 2535109, MAHLE / CLEVITE F33814 and MAHLE / CLEVITE F33815, plus the other parts above.

This table covers the Turbocharger Oil Line Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: MAHLE / CLEVITE GS34068.

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. Read more

4 Valve Cover Gasket parts for the 2024 Mazda CX-30 come from 4 brands — AJUSA, BECK/ARNLEY, FEL-PRO and 1 other brand.

This group includes AJUSA 11137100, BECK/ARNLEY 0362079 and FEL-PRO VS51006R and the remaining parts above.

This table covers the Valve Cover grommets. Read more

This group shows a single part: MAHLE / CLEVITE B33646.

This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering. Read more

2 Valve Guide parts for the 2024 Mazda CX-30 come from TOPLINE.

This group includes TOPLINE EVGMA32 and TOPLINE IVGMA32.

This table covers the lifters / tappets that transfer cam motion to the valves. Read more

2 Valve Lifter parts for the 2024 Mazda CX-30 come from 2 brands — AJUSA and TOPLINE.

This group includes AJUSA 85009300 and TOPLINE LIFMA32.

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. Read more

3 Valve Stem Seal parts for the 2024 Mazda CX-30 come from AJUSA.

This group includes AJUSA 57070800, AJUSA 12034400 and AJUSA 12034500.