2025 Mazda CX-90 Engine Parts

This table covers the Balance Shaft sprockets. Read more

This group shows a single part: MELLING S1246.

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-90 — MAHLE / CLEVITE 68117.

This table covers the Engine covers. Read more

3 Engine Cover parts for the 2025 Mazda CX-90 come from 2 brands — TECHPRO and VARIOUS MFR.

Part numbers include TECHPRO MA1228142 and TECHPRO MA1228141, among others listed above.

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

33 Oil parts are listed for the 2025 Mazda CX-90, from VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands. LIQUI MOLY 2208 carries the "Popular" badge. Grades run from Full Synthetic through High Mileage (>75,000 Miles); Full Synthetic is the most populated section, led by LIQUI MOLY, VALVOLINE, 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

This group shows a single part: FEL-PRO ES73909.

This table covers the drain plugs in the oil pan. Read more

3 Oil Drain Plug parts are listed for the 2025 Mazda CX-90, from DORMAN and REIN.

Part numbers include DORMAN 090033, DORMAN 090053 and REIN HWU0110.

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

3 Oil Filler Cap parts are listed for the 2025 Mazda CX-90, from CALORSTAT, GATES and MOTORAD.

Listed part numbers: 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

9 Oil Filter parts are listed for the 2025 Mazda CX-90, from VARIOUS MFR, CHAMP / LUBER-FINER, FVP and 5 other brands. CHAMP / LUBER-FINER PH2876 carries the "Popular" badge.

In the Economy grade, CHAMP / LUBER-FINER, FVP, PRO-TEC and 1 other brand supply 4 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 4 options from HASTINGS / BALDWIN, MAHLE / CLEVITE, VARIOUS MFR and 1 other brand — built to original-equipment specification. HASTINGS / BALDWIN LF113 is listed in this group.

Listed part numbers: CHAMP / LUBER-FINER PH2876, FVP R7002 and PRO-TEC PXL57002, plus the other parts above.

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

MELLING supplies both parts for the 2025 Mazda CX-90.

Part numbers include MELLING 31065SX and MELLING 31065S.

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-90 come from MELLING.

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 are listed for the 2025 Mazda CX-90, 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-90 — 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-90, from MELLING and INA.

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

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

One part is listed for the 2025 Mazda CX-90 — WELLS 2T1166.