2024 Mazda CX-90 Engine Parts

This table covers the Balance Shaft sprockets. Read more

One part is listed for the 2024 Mazda CX-90 — 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-90 — 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

One part is listed for the 2024 Mazda CX-90 — TOPLINE CBSMA31.

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-90 come from TOPLINE.

Listed part numbers: 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

This group shows a single part: MAHLE / CLEVITE 68117.

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

One part is listed for the 2024 Mazda CX-90 — TOPLINE HBMA25.

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

One part is listed for the 2024 Mazda CX-90 — TOPLINE HSMA31.

This table covers the Engine covers. Read more

3 Engine Cover parts are listed for the 2024 Mazda CX-90, from TECHPRO and VARIOUS MFR.

Listed part numbers: TECHPRO MA1228142 and TECHPRO MA1228141, 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

One part is listed for the 2024 Mazda CX-90 — TOPLINE CGSMA31.

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 EVMA31L.

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-90 — DAYCO PB1819N.

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 IVMA31L.

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 for the 2024 Mazda CX-90 come from 6 brands — VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands. The "Popular" part is LIQUI MOLY 2208. 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

One part is listed for the 2024 Mazda CX-90 — FEL-PRO ES73909.

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

3 Oil Drain Plug parts for the 2024 Mazda CX-90 come from 2 brands — DORMAN and REIN.

This group includes DORMAN 090033, DORMAN 090053 and REIN HWU0110.

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

DORMAN supplies both parts for the 2024 Mazda CX-90.

This group includes 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-90 come from 3 brands — CALORSTAT, GATES and MOTORAD.

Part numbers include 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

7 Oil Filter parts for the 2024 Mazda CX-90 come from 6 brands — VARIOUS MFR, CHAMP / LUBER-FINER, FVP and 3 other brands. The "Popular" part is CHAMP / LUBER-FINER PH2876.

The Economy section lists 4 options from CHAMP / LUBER-FINER, FVP, PRO-TEC and 1 other brand — 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, VARIOUS MFR and WIX supply 2 parts: built to original-equipment specification. A representative part number is VARIOUS MFR PG4612EX.

This group includes CHAMP / LUBER-FINER PH2876, FVP R7002 and PRO-TEC PXL57002 and the remaining parts above.

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-90 — TOPLINE PAMA31L.

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

TOPLINE supplies both parts for the 2024 Mazda CX-90.

Part numbers include TOPLINE RSMA31 and TOPLINE RSMA31L.

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-90 — MELLING 1065.

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

2 Timing Chain & Component Kit parts for the 2024 Mazda CX-90 come from MELLING.

This group includes MELLING 31065SX and MELLING 31065S.

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-90.

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 for the 2024 Mazda CX-90 come from 2 brands — INA and MELLING.

Part numbers include 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

This group shows a single part: MAHLE / CLEVITE 68083.

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-90 come from 2 brands — MELLING and INA.

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

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-90 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

This group shows a single part: 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

This group shows a single part: TOPLINE VSSMA32.

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

5 Variable Valve Timing (VVT) Solenoid / Actuator parts for the 2024 Mazda CX-90 come from 5 brands — HOLSTEIN, ROSTRA, WELLS and 2 other brands. The "Popular" part is NTK VV0131.

The Economy section: 3 options from HOLSTEIN, ROSTRA and WELLS. HOLSTEIN 2VTS0160 is listed in this group.

Standard Replacement: 2 parts, from NTK and CLOYES. A representative part number is NTK VV0131.

Part numbers include NTK VV0131, HOLSTEIN 2VTS0160 and ROSTRA 790147, among others listed above.