2025 Mazda CX-30 Engine Parts

This table covers the Balance Shaft sprockets. Read more

This group shows a single part: MELLING S1246.

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

This group shows a single part: MAHLE / CLEVITE CS55462.

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

One part is listed for the 2025 Mazda CX-30 — MAHLE / CLEVITE 68118.

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

2 Cylinder Head Gasket parts for the 2025 Mazda CX-30 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

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

This table covers the Engine covers. Read more

This group shows a single part: VARIOUS MFR MA1228134.

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

This group shows a single part: MAHLE / CLEVITE MS20605.

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

34 Oil parts are listed for the 2025 Mazda CX-30, from VALVOLINE, MOBIL, LIQUI MOLY and 4 other brands. LIQUI MOLY 20228 carries the "Popular" badge. They are grouped as Full Synthetic, High Mileage (>75,000 Miles) and Synthetic Blend, with Full Synthetic the largest group at 23 parts from VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands.

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 for the 2025 Mazda CX-30 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

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

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

3 Oil Filler Cap parts are listed for the 2025 Mazda CX-30, from 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

6 Oil Filter parts are listed for the 2025 Mazda CX-30, from VARIOUS MFR, CHAMP / LUBER-FINER, MOBIL and 2 other brands. CHAMP / LUBER-FINER PH2876 carries the "Popular" badge.

In the Economy grade, CHAMP / LUBER-FINER and VARIOUS MFR supply 2 parts: the catalog's value-priced group. A representative part number is CHAMP / LUBER-FINER PH2876.

In the High Performance / Heavy Duty grade, MOBIL supplies 1 part: grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. A representative part number is MOBIL M1108A.

The Standard Replacement section lists 3 options from HASTINGS / BALDWIN, MAHLE / CLEVITE and VARIOUS MFR — built to original-equipment specification. HASTINGS / BALDWIN LF113 is listed in this group.

Listed part numbers: CHAMP / LUBER-FINER PH2876, VARIOUS MFR PG4612 and MOBIL M1108A, plus the other 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 for the 2025 Mazda CX-30 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: 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

One part is listed for the 2025 Mazda CX-30 — STANDARD MOTOR PRODUCTS FLS355.

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

This group shows a single part: MELLING 1112.

This table covers the Oil Pump Chain guides. Read more

This group shows a single part: 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

One part is listed for the 2025 Mazda CX-30 — MELLING BT7090.

This table covers the Oil Pump sprockets. Read more

This group shows a single part: MELLING S1248.

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

This group shows a single part: HASTINGS MANUFACTURING 2P6029.

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

This group shows a single part: MELLING 1065.

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

5 Timing Chain & Component Kit parts are listed for the 2025 Mazda CX-30, from MELLING and INA. MELLING 31065S carries the "Popular" badge.

Part numbers include MELLING 31065S, INA ZC76342T and MELLING 31065SX, among others listed above.

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

3 Timing Chain Guide / Damper parts for the 2025 Mazda CX-30 come from MELLING.

Listed part numbers: 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 are listed for the 2025 Mazda CX-30, from 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

One part is listed for the 2025 Mazda CX-30 — MAHLE / CLEVITE 68083.

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

3 Timing Crank Sprocket parts are listed for the 2025 Mazda CX-30, from MELLING and INA.

Part numbers include INA ZS0298, MELLING S1245 and MELLING S1247.

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

3 Turbocharger Gasket parts for the 2025 Mazda CX-30 come from MAHLE / CLEVITE.

This group includes MAHLE / CLEVITE F33814, MAHLE / CLEVITE F33815 and MAHLE / CLEVITE GS34074.

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

One part is listed for the 2025 Mazda CX-30 — 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

One part is listed for the 2025 Mazda CX-30 — FEL-PRO VS51006R.

This table covers the Valve Cover grommets. Read more

One part is listed for the 2025 Mazda CX-30 — MAHLE / CLEVITE B33646.

This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

WELLS supplies both parts for the 2025 Mazda CX-30.

This group includes WELLS 2T1259 and WELLS 2T1166.

This table covers the seals at the Variable Valve Timing (VVT) Solenoid Gasket. 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

2 Variable Valve Timing (VVT) Solenoid Gasket / Seal parts for the 2025 Mazda CX-30 come from MAHLE / CLEVITE.

This group includes MAHLE / CLEVITE B33645 and MAHLE / CLEVITE B33768.