The 2018 Acura MDX has 27 drivetrain parts with verified fitment on this page — 9 part types and 10 brands, covering both the 3.0L V6 ELECTRIC/GAS and the 3.5L V6. Each part includes a manufacturer part number and application notes.
On the 2018 Acura MDX, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are Gear Oil (7 parts), CV Axle (4 parts) and CV Joint Boot (4 parts). The other 6 part types cover the remaining 12 parts.
The 2018 Acura MDX was sold with both the 3.0L V6 ELECTRIC/GAS and the 3.5L V6. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
10 brands supply drivetrain parts for the 2018 Acura MDX, led by WJB / INMOTION PARTS (5 parts), TRAKMOTIVE (5 parts) and SKF (4 parts), plus 7 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Acura MDX. 2 parts have it, including ACDELCO 109243 (Gear Oil) and VALVOLINE VV3246 (Gear Oil). Each part number opens a page with every vehicle that part fits.
Axle Shaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Fits: 3.0L V6 ELECTRIC/GAS | SC0889 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
This table covers the Axle Shaft bearings. 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.
This group shows a single part: SKF SC0889.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Fits: 3.0L V6 ELECTRIC/GAS | 16541A | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.0L V6 ELECTRIC/GAS | WS16541A | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
This table covers the seals where an axle shaft exits the housing. 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.
2 Axle Shaft Seal parts are listed for the 2018 Acura MDX, from SKF and WJB / INMOTION PARTS.
Part numbers include SKF 16541A and WJB / INMOTION PARTS WS16541A.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRAKMOTIVE Fits: 3.0L V6 ELECTRIC/GAS | HO86007 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 3.0L V6 ELECTRIC/GAS | HO86008 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 3.0L V6 ELECTRIC/GAS | HO86030 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 3.0L V6 ELECTRIC/GAS | HO86029 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.
TRAKMOTIVE supplies the 4 CV Axle parts for the 2018 Acura MDX.
Part numbers include TRAKMOTIVE HO86007, TRAKMOTIVE HO86008 and TRAKMOTIVE HO86030, among others listed above.
CV Intermediate Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRAKMOTIVE Fits: 3.0L V6 ELECTRIC/GAS | HO3530 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
This table covers the CV Intermediate shafts.
This group shows a single part: TRAKMOTIVE HO3530.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 3.0L V6 ELECTRIC/GAS | 1032925 | 🇺🇸 US 🇨🇦 CA | Front Outer | View on Amazon |
| BECK/ARNLEY Fits: 3.0L V6 ELECTRIC/GAS | 1033102 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
| MEVOTECH Fits: 3.0L V6 ELECTRIC/GAS | DX428 | 🇺🇸 US 🇨🇦 CA | Front Outer | View on Amazon |
| MEVOTECH Fits: 3.0L V6 ELECTRIC/GAS | DX583 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.
4 CV Joint Boot parts are listed for the 2018 Acura MDX, from BECK/ARNLEY and MEVOTECH.
This group includes BECK/ARNLEY 1032925, BECK/ARNLEY 1033102 and MEVOTECH DX428 and the remaining parts above.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Fits: 3.0L V6 ELECTRIC/GAS | SK986298 | 🇺🇸 US 🇨🇦 CA | Universal Joints IncludedNo CV Joints Included | View on Amazon |
| ULTRA-POWER Fits: 3.0L V6 ELECTRIC/GAS | 986298 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.0L V6 ELECTRIC/GAS | WDS86298 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.0L V6 ELECTRIC/GAS | WDS654011 | 🇺🇸 US 🇨🇦 CA | Rearwith 90.51 (In) Long Driveshaft | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
4 Drive Shaft parts for the 2018 Acura MDX come from 3 brands — WJB / INMOTION PARTS, SKP and ULTRA-POWER.
Part numbers include SKP SK986298, ULTRA-POWER 986298 and WJB / INMOTION PARTS WDS86298, among others listed above.
Gear Oil
Dexron
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 3.0L V6 ELECTRIC/GAS | 109243 | 🇺🇸 US | Container Type: Plastic Container | View on Amazon |
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: 3.0L V6 ELECTRIC/GAS | VV3246 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| LUCAS OIL Fits: 3.0L V6 ELECTRIC/GAS | 11255 | 🇺🇸 US 🇨🇦 CA | LOW VISCOSITY SYNTHETIC MULTI-VEHICLE AUTOMATIC TRANSMISSION FLUID1 qt | View on Amazon |
| LUCAS OIL Fits: 3.0L V6 ELECTRIC/GAS | 18037 | 🇺🇸 US 🇨🇦 CA | Low Viscosity Synthetic Multi-Vehicle Automatic Transmission Fluid6 Gallon | View on Amazon |
| VALVOLINE Fits: 3.0L V6 ELECTRIC/GAS | 773775 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.0L V6 ELECTRIC/GAS | 881051 | 🇺🇸 US 🇨🇦 CA | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: 3.0L V6 ELECTRIC/GAS | 899179 | 🇺🇸 US 🇨🇦 CA | Extended Protection Full Synthetic ATF1 Quart | View on Amazon |
This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle.
7 Gear Oil parts are listed for the 2018 Acura MDX, from VALVOLINE, LUCAS OIL and ACDELCO. ACDELCO 109243 carries the "Popular" badge.
In the Dexron grade, ACDELCO supplies 1 part: grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 109243.
In the Multi-Vehicle grade, VALVOLINE and LUCAS OIL supply 5 parts: grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE VV3246.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
This group includes ACDELCO 109243, VALVOLINE VV3246 and LUCAS OIL 11255 and the remaining parts above.
Transfer Case Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Fits: 3.0L V6 ELECTRIC/GAS | 18883A | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS Fits: 3.0L V6 ELECTRIC/GAS | WS18883A | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at the Transfer Case Input Shaft. 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.
2 Transfer Case Input Shaft Seal parts for the 2018 Acura MDX come from 2 brands — SKF and WJB / INMOTION PARTS.
Part numbers include SKF 18883A and WJB / INMOTION PARTS WS18883A.
Transfer Case Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Fits: 3.0L V6 ELECTRIC/GAS | 16537A | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WJB / INMOTION PARTS Fits: 3.0L V6 ELECTRIC/GAS | WS16537A | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at the Transfer Case Output Shaft. 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.
2 Transfer Case Output Shaft Seal parts are listed for the 2018 Acura MDX, from SKF and WJB / INMOTION PARTS.
This group includes SKF 16537A and WJB / INMOTION PARTS WS16537A.
Buying Drivetrain Parts for a 2018 Acura MDX
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Every drivetrain part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Gear Oil and CV Axle .
Frequently Asked Questions
How many drivetrain parts fit the 2018 Acura MDX?
Our catalog currently lists 27 drivetrain parts for the 2018 Acura MDX across 9 subcategories and 10 brands, covering both the 3.0L V6 ELECTRIC/GAS and the 3.5L V6. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2018 Acura MDX engines?
Yes. Every drivetrain part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of drivetrain problems on a 2018 Acura MDX?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2018 Acura MDX was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2018 Acura MDX?
First match the engine — each row shows which engine(s) the part fits. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2018 Acura MDX
Drivetrain Parts for Other Acura MDX Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.