2021 Ford Expedition Drivetrain Parts

This table covers the actuators that engage four-wheel drive at the transfer case or axle. 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

7 4WD Actuator parts are listed for the 2021 Ford Expedition, from STANDARD MOTOR PRODUCTS, DORMAN, ROSTRA and 1 other brand. STANDARD MOTOR PRODUCTS TCA91 carries the "Popular" badge.

Listed part numbers: STANDARD MOTOR PRODUCTS TCA91, WELLS 1S12253 and DORMAN 600400, plus the other parts above.

This table covers the 4WD Actuator 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. Read more

4 4WD Actuator Hose parts for the 2021 Ford Expedition come from 2 brands — STANDARD MOTOR PRODUCTS and DORMAN.

Listed part numbers: DORMAN 926390, STANDARD MOTOR PRODUCTS HVH009 and STANDARD MOTOR PRODUCTS HVH003, plus the other parts above.

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. Read more

4 Axle Shaft Bearing parts are listed for the 2021 Ford Expedition, from SKF, WJB / INMOTION PARTS and TIMKEN.

In the Economy grade, WJB / INMOTION PARTS supplies 1 part: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS WBFC66998.

The Standard Replacement section lists 3 options from SKF and TIMKEN — built to original-equipment specification. SKF FC66998 is listed in this group.

Listed part numbers: WJB / INMOTION PARTS WBFC66998, SKF FC66998 and SKF HK4012VP, plus the other parts above.

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. Read more

4 Axle Shaft Seal parts for the 2021 Ford Expedition come from 3 brands — TIMKEN, NATIONAL and SKF.

This group includes NATIONAL 710950, SKF 18005 and TIMKEN SL260013 and the remaining parts above.

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. Read more

35 CV Axle parts for the 2021 Ford Expedition come from 6 brands — GSP, TRAKMOTIVE, TOP NOTCH and 3 other brands. The "Popular" part is TOP NOTCH TN40042XD. They are grouped as Heavy Duty, Specialty - For Lifted Vehicles and Standard Replacement, with Standard Replacement the largest group at 26 parts from APWI, TRAKMOTIVE, MOTORCRAFT and 3 other brands.

This table covers the CV Intermediate shafts. Read more

One part is listed for the 2021 Ford Expedition — TRAKMOTIVE FD3524.

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. Read more

5 CV Joint Boot parts for the 2021 Ford Expedition come from MOTORCRAFT. The "Popular" part is MOTORCRAFT TS199.

Listed part numbers: MOTORCRAFT TS199, MOTORCRAFT TS262 and MOTORCRAFT TS242, plus the other parts above.

This table covers the carriers that hold the differential gears in the axle. Read more

4 Differential Carrier parts for the 2021 Ford Expedition come from 3 brands — MOTIVE GEAR, RICHMOND and AAM.

The Economy section: 1 option from RICHMOND. RICHMOND XL5023 is listed in this group.

Standard Replacement: 3 parts, from MOTIVE GEAR and AAM. A representative part number is AAM 9L3Z4026H.

Part numbers include RICHMOND XL5023, AAM 9L3Z4026H and MOTIVE GEAR F975L, among others listed above.

This table covers the bearings and races that support the differential carrier. Read more

2 Differential Carrier Bearing / Race parts for the 2021 Ford Expedition come from 2 brands — NSK and TIMKEN.

Listed part numbers: NSK R585U42 and TIMKEN LM104949.

This table covers the Differential Carrier bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

This group shows a single part: DORMAN 541010.

This table covers the Differential Carrier shims. Read more

MOTIVE GEAR supplies the 5 Differential Carrier Shim parts for the 2021 Ford Expedition. MOTIVE GEAR SS12 carries the "Popular" badge.

Listed part numbers: MOTIVE GEAR SS12, MOTIVE GEAR F88MSK and MOTIVE GEAR 1135R, plus the other parts above.

This table covers the gaskets that seal the Differential Cover. 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: MOTIVE GEAR 5122.

This table covers the Differential Cross pins. Read more

RICHMOND supplies the 3 Differential Cross Pin parts for the 2021 Ford Expedition.

Listed part numbers: RICHMOND CSPF88E, RICHMOND 8002731 and RICHMOND 8002791.

This table covers the Differential Crush sleeves. Read more

One part is listed for the 2021 Ford Expedition — MOTIVE GEAR BL3Z4662B.

This table covers the Differential Gear Installation kits. Read more

One part is listed for the 2021 Ford Expedition — MOTIVE GEAR F88IKF.

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. Read more

One part is listed for the 2021 Ford Expedition — MOTORCRAFT DM2.

This table covers the bearings and races on the differential pinion. Read more

MOTIVE GEAR supplies both parts for the 2021 Ford Expedition.

This group includes MOTIVE GEAR R975FRLAPK and MOTIVE GEAR R975FRLATPK.

This table covers the baffles that control oil at the pinion bearings. Read more

3 Differential Pinion Bearing Baffle parts are listed for the 2021 Ford Expedition, from MOTIVE GEAR and RICHMOND.

This group includes MOTIVE GEAR 4105, MOTIVE GEAR 4104 and RICHMOND 0400111.

This table covers the Differential Pinion nuts. Read more

2 Differential Pinion Nut parts for the 2021 Ford Expedition come from MOTIVE GEAR.

This group includes MOTIVE GEAR N811024S100 and MOTIVE GEAR FL3Z4320A.

This table covers the seals at the differential pinion yoke. 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: TIMKEN 3604.

This table covers the Differential Pinion shims. Read more

This group shows a single part: MOTIVE GEAR 1136R.

This table covers kits that group the bearings, races and seals for a differential rebuild. Read more

18 Differential Rebuild Kit parts are listed for the 2021 Ford Expedition, from MOTIVE GEAR, RICHMOND, BCA and 2 other brands. MOTIVE GEAR R975FRLBMK carries the "Popular" badge.

In the Master Kit grade, MOTIVE GEAR, RICHMOND, BCA and 1 other brand supply 11 parts: grouped under the catalog's "Master Kit" designation — the notes column spells out what sets them apart. A representative part number is MOTIVE GEAR R975FRLBMK.

The Standard Kit section lists 7 options from MOTIVE GEAR, BCA and SKF — grouped under the catalog's "Standard Kit" designation — the notes column spells out what sets them apart. MOTIVE GEAR R975FRLB is listed in this group.

This table covers the ring-and-pinion gear sets that set the axle ratio. Read more

4 Differential Ring and Pinion parts for the 2021 Ford Expedition come from 2 brands — MOTIVE GEAR and RICHMOND.

The High Performance section lists 1 option from MOTIVE GEAR — engineered beyond original-equipment specification. MOTIVE GEAR F888IFS is listed in this group.

Standard Replacement: 3 parts, from RICHMOND and MOTIVE GEAR. A representative part number is MOTIVE GEAR F88L.

Listed part numbers: MOTIVE GEAR F888IFS, MOTIVE GEAR F88L and RICHMOND 4902101, plus the other parts above.

This table covers the Differential Ring Gear bolts. Read more

This group shows a single part: MOTIVE GEAR D5AZ4216A.

This table covers the Differential Spider gears. Read more

3 Differential Spider Gear parts for the 2021 Ford Expedition come from 3 brands — RICHMOND, MOTIVE GEAR and USA STANDARD GEAR.

The Economy section: 1 option from RICHMOND. RICHMOND XL4016 is listed in this group.

Standard Replacement: 2 parts, from MOTIVE GEAR and USA STANDARD GEAR. A representative part number is MOTIVE GEAR F975BI.

Listed part numbers: RICHMOND XL4016, MOTIVE GEAR F975BI and USA STANDARD GEAR ZIKF975S34.

This table covers the driveshafts that carry torque from the transmission or transfer case. Read more

8 Drive Shaft parts are listed for the 2021 Ford Expedition, from DORMAN, GSP, TOP NOTCH and 2 other brands. DORMAN 938818 carries the "Popular" badge.

This group includes DORMAN 938818, DORMAN 986523 and DORMAN 986992 and the remaining parts above.

This table covers the Drive Shaft bolts. Read more

This group shows a single part: DORMAN 80992.

This table covers the Drive Shaft Center Support 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. Read more

6 Drive Shaft Center Support Bearing parts are listed for the 2021 Ford Expedition, from DEA / MARMON RIDE CONTROL, WESTAR and ANCHOR. ANCHOR 6146 carries the "Popular" badge.

Economy: 4 parts, from DEA / MARMON RIDE CONTROL and WESTAR. A representative part number is DEA / MARMON RIDE CONTROL A60140.

The Standard Replacement section: 2 options from ANCHOR. ANCHOR 6146 is listed in this group.

This group includes ANCHOR 6146, DEA / MARMON RIDE CONTROL A60140 and DEA / MARMON RIDE CONTROL A60146 and the remaining parts above.

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. Read more

2 Gear Oil parts for the 2021 Ford Expedition come from VALVOLINE.

Listed part numbers: VALVOLINE 915052 and VALVOLINE 915053.

This table covers the Transfer Case control modules. Read more

MOTORCRAFT supplies both parts for the 2021 Ford Expedition.

Listed part numbers: MOTORCRAFT TM353 and MOTORCRAFT TM354.

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. Read more

12 Transfer Case Fluid parts for the 2021 Ford Expedition come from 5 brands — VALVOLINE, PENTOSIN, LUCAS OIL and 2 other brands. The "Popular" part is ACDELCO 109243.

In the ATF 64 grade, PENTOSIN supplies 2 parts: grouped under the catalog's "ATF 64" designation — the notes column spells out what sets them apart. A representative part number is PENTOSIN 1058113.

The Dexron section lists 3 options from VALVOLINE and ACDELCO — grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. ACDELCO 109243 is listed in this group.

The Multi-Vehicle section lists 6 options from VALVOLINE, LUCAS OIL and MOBIL — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. MOBIL 126505 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

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. Read more

One part is listed for the 2021 Ford Expedition — ELRING B16070.

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. Read more

4 Transfer Case Motor parts are listed for the 2021 Ford Expedition, from DORMAN, MOTORCRAFT, SKP and 1 other brand.

This group includes DORMAN 600905, MOTORCRAFT MM1423 and SKP SK600905 and the remaining parts above.

This table covers the Transfer Case Output 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. Read more

One part is listed for the 2021 Ford Expedition — SKF 6007J.

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. Read more

2 Transfer Case Output Shaft Seal parts for the 2021 Ford Expedition come from NATIONAL.

This group includes NATIONAL 711142 and NATIONAL 711143.

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. Read more

This group shows a single part: MOTORCRAFT KK62.

This table covers the U-joints in the driveshaft. Read more

23 Universal Joint parts for the 2021 Ford Expedition come from 7 brands — DANA, SKF, MOOG and 4 other brands. The "Popular" part is SKF UJ232.

The Economy section: 2 options from DANA. DANA 15178X is listed in this group.

In the Heavy Duty grade, DANA, MOOG, SKF and 2 other brands supply 12 parts: rated for severe service. A representative part number is SKF UJ232.

Standard Replacement: 9 parts, from GMB, SKF, MOOG and 4 other brands. A representative part number is GMB 2100178.

This table covers the Universal Joint U-Bolt kits. Read more

One part is listed for the 2021 Ford Expedition — MOTIVE GEAR MGUB1350.