23 Drivetrain parts are listed for the 2026 Ford Expedition, in 8 part types, covering the 3.5L V6 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2026 Ford Expedition, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 16 parts of the 23 listed are Transfer Case Fluid (10 parts), CV Joint Boot (4 parts) and Gear Oil (2 parts). The other 5 part types cover the remaining 7 parts.
The 2026 Ford Expedition came with a single engine, the 3.5L V6 Turbocharged, and every part is verified against it.
7 brands supply drivetrain parts for the 2026 Ford Expedition, led by MOTORCRAFT (9 parts), VALVOLINE (8 parts) and PENTOSIN (2 parts), plus 4 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2026 Ford Expedition. 2 parts have it, including ACDELCO 109243 (Transfer Case Fluid) and VALVOLINE VV3246 (Transfer Case Fluid). Each part number opens a page with every vehicle that part fits.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | TS262 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front InnerService Kit | View on Amazon |
| MOTORCRAFT | TS242 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearOuter | View on Amazon |
| MOTORCRAFT | TS261 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Outer | View on Amazon |
| MOTORCRAFT | TS243 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Innerwith 9.75 In. Axle | 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.
MOTORCRAFT supplies the 4 CV Joint Boot parts for the 2026 Ford Expedition.
This group includes MOTORCRAFT TS262, MOTORCRAFT TS242 and MOTORCRAFT TS261 and the remaining parts above.
Differential Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | DM2 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3.73 Final Drive Ratio | View on Amazon |
This table covers the Differential mounts. 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.
This group shows a single part: MOTORCRAFT DM2.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 915052 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-85 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE | 915053 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-85 Gear Oil1 Quart Flex Fill | 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.
VALVOLINE supplies both parts for the 2026 Ford Expedition.
Part numbers include VALVOLINE 915052 and VALVOLINE 915053.
Transfer Case Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | TM390 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Transfer Case control modules.
This group shows a single part: MOTORCRAFT TM390.
Transfer Case Fluid
ATF 64
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PENTOSIN | 1058113 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 LiterATF64 or ATF44 | View on Amazon |
| PENTOSIN | 1058215 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 LitersATF64 or ATF44 | View on Amazon |
Dexron
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 109243 | 🇺🇸 US | Container Type: Plastic Container | View on Amazon |
| VALVOLINE | 822405 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dexron VI/Mercon LV ATF1 Quart | View on Amazon |
| VALVOLINE | 883572 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dexron VI/Mercon LV ATF1 Gallon | View on Amazon |
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | VV3246 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| MOBIL | 126505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle ATF | View on Amazon |
| VALVOLINE | 773775 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE | 881051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 899179 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic ATF1 Quart | View on Amazon |
This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
10 Transfer Case Fluid parts are listed for the 2026 Ford Expedition, from VALVOLINE, PENTOSIN, ACDELCO and 1 other brand. ACDELCO 109243 carries the "Popular" badge.
The ATF 64 section lists 2 options from PENTOSIN — grouped under the catalog's "ATF 64" designation — the notes column spells out what sets them apart. PENTOSIN 1058113 is listed in this group.
In the Dexron grade, VALVOLINE and ACDELCO supply 3 parts: 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 MOBIL supply 4 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.
Transfer Case Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | MM1428 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear4x4 2 Speed Transfer Case with TOD | View on Amazon |
| MOTORCRAFT | MM1423 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear2 Speed Transfer Case with TOD | View on Amazon |
This table covers the Transfer Case motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
2 Transfer Case Motor parts for the 2026 Ford Expedition come from MOTORCRAFT.
Listed part numbers: MOTORCRAFT MM1428 and MOTORCRAFT MM1423.
Transfer Case Vent Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | KK62 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Oil Pump | View on Amazon |
This table covers the Transfer Case Vent hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.
One part is listed for the 2026 Ford Expedition — MOTORCRAFT KK62.
Universal Joint
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB | 2100447 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Non-Greasable1.188" Bearing Cap Diameter | View on Amazon |
| MOOG | 249C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear Driveshaft at Rear Axle4WD | View on Amazon |
This table covers the U-joints in the driveshaft.
2 Universal Joint parts are listed for the 2026 Ford Expedition, from GMB and MOOG.
Part numbers include GMB 2100447 and MOOG 249C.
Buying Drivetrain Parts for a 2026 Ford Expedition
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Confirm you have the 3.5L V6 Turbocharged engine — every part on this page is matched to it.
- 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: Transfer Case Fluid and CV Joint Boot .
Frequently Asked Questions
How many drivetrain parts fit the 2026 Ford Expedition?
Our catalog currently lists 23 drivetrain parts for the 2026 Ford Expedition across 8 subcategories and 7 brands, covering the 3.5L V6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2026 Ford Expedition?
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 2026 Ford Expedition 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 2026 Ford Expedition?
Every part on this page is matched to the 3.5L V6 Turbocharged engine. 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 2026 Ford Expedition
Drivetrain Parts for Other Ford Expedition Years
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