2025 Acura MDX Engine Parts

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: ELRING 114860.

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

One part is listed for the 2025 Acura MDX — FEL-PRO 26858PT.

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

2 Exhaust Valve parts for the 2025 Acura MDX come from MELLING.

Part numbers include MELLING V0779 and MELLING V0779IN.

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: MELLING V0336.

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

8 Motor Mount parts for the 2025 Acura MDX come from 4 brands — ANCHOR, DEA / MARMON RIDE CONTROL, WESTAR and 1 other brand. The "Popular" part is ANCHOR 9965. 1 part fits every engine; the other 7 are engine-specific.

Listed part numbers: ANCHOR 9965, WESTAR EM7301 and ANCHOR 10360, plus the other parts 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

39 Oil parts for the 2025 Acura MDX come from 6 brands — LIQUI MOLY, VALVOLINE, 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 drain plugs in the oil pan. Read more

4 Oil Drain Plug parts for the 2025 Acura MDX come from 3 brands — DORMAN, REIN and SKP. Every part fits both the 3.0L V6 Turbocharged and the 3.5L V6.

This group includes DORMAN 090033, DORMAN 090053 and REIN HWU0110 and the remaining parts above.

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

2 Oil Filler Cap parts for the 2025 Acura MDX come from 2 brands — GATES and MOTORAD. Every part fits both the 3.0L V6 Turbocharged and the 3.5L V6.

Listed part numbers: GATES 31284 and MOTORAD MO159.

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

16 Oil Filter parts for the 2025 Acura MDX come from 12 brands — VARIOUS MFR, BOSCH, WIX and 9 other brands. The "Popular" part is WIX 57356XP. Every part fits both the 3.0L V6 Turbocharged and the 3.5L V6.

The Economy section lists 6 options from VARIOUS MFR, BOSCH, FRAM and 2 other brands — the catalog's value-priced group. BOSCH 72226WS is listed in this group.

The High Performance / Heavy Duty section lists 2 options from WIX and MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. WIX 57356XP is listed in this group.

In the Standard Replacement grade, BOSCH, WIX, BECK/ARNLEY and 5 other brands supply 8 parts: built to original-equipment specification. A representative part number is BOSCH 3323.

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 2025 Acura MDX — ENGINETECH K35526P.

This table covers the Timing belts. Typical signs include squeal on cold start, cracked ribs, or glazing. Spin the tensioner and idlers by hand while the belt is off. Read more

5 Timing Belt parts are listed for the 2025 Acura MDX, from GATES, ACDELCO, BANDO and 2 other brands. GATES T329 carries the "Popular" badge.

This group includes GATES T329 and ACDELCO TB329 and the remaining parts above.

This table covers the Timing Belt & component kits. Read more

7 Timing Belt & Component Kit parts for the 2025 Acura MDX come from 3 brands — CONTINENTAL, GATES and GMB. The "Popular" part is CONTINENTAL GTKWP329.

The Economy section: 1 option from CONTINENTAL. CONTINENTAL GTKWP329 is listed in this group.

Standard Replacement: 6 parts, from CONTINENTAL, GATES and GMB. A representative part number is CONTINENTAL PP329LK2.

This group includes CONTINENTAL GTKWP329, CONTINENTAL PP329LK2 and CONTINENTAL TB329K1 and the remaining parts above.

This table covers the Timing Belt 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

7 Timing Belt Tensioner parts for the 2025 Acura MDX come from 5 brands — GMB, GATES, DAYCO and 2 other brands. The "Popular" part is DAYCO 85067.

Part numbers include DAYCO 85067, GMB 4355767 and ACDELCO T43129, among others listed above.

This table covers the Timing idlers. Typical signs include a chirp that follows engine speed, or an idler that feels rough or has play. Replace a noisy idler with the belt — the labor is already paid for. Read more

3 Timing Idler parts for the 2025 Acura MDX come from 3 brands — GATES, GMB and ULTRA-POWER.

This group includes GATES T41232 and GMB 4359730 and the remaining parts above.

This table covers the Turbocharger Boost 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 Acura MDX — WELLS 5S15125.

This table covers the Valve covers. Read more

One part is listed for the 2025 Acura MDX — AUTOTECNICA HA1423913.

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

2 Valve Cover Gasket parts for the 2025 Acura MDX come from 2 brands — ELRING and FEL-PRO.

Part numbers include ELRING 585680 and FEL-PRO VS51020R.

This table covers the springs that close each intake and exhaust valve. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats. Read more

MELLING supplies both parts for the 2025 Acura MDX.

Part numbers include MELLING VS2501 and MELLING VS2502.

This table covers the Valve Spring retainers. Read more

One part is listed for the 2025 Acura MDX — MELLING VSR730.

This table covers the keepers that lock each valve-spring retainer to the stem. Read more

One part is listed for the 2025 Acura MDX — MELLING VL1060.

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

3 Variable Valve Timing (VVT) Solenoid / Actuator parts for the 2025 Acura MDX come from 3 brands — GATES, WALKER PRODUCTS and WELLS.

Listed part numbers: GATES VVS303, WALKER PRODUCTS 5901137 and WELLS 2T1143.