The 2016 Ford Flex has 69 drivetrain parts with verified fitment on this page — 17 part types and 18 brands, covering both the 3.5L V6 and the 3.5L V6 Turbocharged. Each part includes a manufacturer part number and application notes.
On the 2016 Ford Flex, 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 CV Axle (31 parts), Gear Oil (7 parts) and Transfer Case Fluid (5 parts). The other 14 part types cover the remaining 26 parts.
The 2016 Ford Flex was sold with both the 3.5L V6 and the 3.5L V6 Turbocharged. 33 parts fit every engine; the other 36 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2016 Ford Flex drivetrain parts are VALVOLINE (10 parts), TRAKMOTIVE (9 parts) and GSP (8 parts), plus 15 more brands.
12 parts on this 2016 Ford Flex page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including APWI FD8413 (CV Axle) and MOBIL 104361 (Gear Oil). Click any part number to see every vehicle that part fits.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 2016 Flex engines | 710969 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
| SKF Fits: all 2016 Flex engines | 13622A | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| WJB / INMOTION PARTS Fits: all 2016 Flex engines | WS710969 | 🇺🇸 US 🇨🇦 CA | RearAWD | 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.
3 Axle Shaft Seal parts for the 2016 Ford Flex come from 3 brands — NATIONAL, SKF and WJB / INMOTION PARTS. Every part fits both the 3.5L V6 and the 3.5L V6 Turbocharged.
Listed part numbers: NATIONAL 710969, SKF 13622A and WJB / INMOTION PARTS WS710969.
Axle Shaft Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2016 Flex engines | 600229 | 🇺🇸 US 🇨🇦 CA | AWDAxle Installation Tool | View on Amazon |
This table covers the Axle Shaft tools. This is a service tool, not a wear part — match the application in the notes.
One part is listed for the 2016 Ford Flex — DORMAN 600229.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APWI Popular Fits: 3.5L V6 Turbocharged | FD8413 | 🇺🇸 US 🇨🇦 CA | Front RightAWD | View on Amazon |
| MOTORCRAFT Popular Fits: 3.5L V6 | TX1175 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| MOTORCRAFT Popular Fits: all 2016 Flex engines | TX1174 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| MOTORCRAFT Popular Fits: 3.5L V6 Turbocharged | TX834 | 🇺🇸 US 🇨🇦 CA | Front LeftAWD | View on Amazon |
| TOP NOTCH Popular Fits: 3.5L V6 | TN40022 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| TOP NOTCH Popular Fits: 3.5L V6 | TN40137 | 🇺🇸 US 🇨🇦 CA | Front RightFWD | View on Amazon |
| TOP NOTCH Popular Fits: 3.5L V6 Turbocharged | TN40021 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| TOP NOTCH Popular Fits: 3.5L V6 Turbocharged | TN40203 | 🇺🇸 US 🇨🇦 CA | Intermediate shaft included | View on Amazon |
| TRAKMOTIVE Popular Fits: 3.5L V6 | FD8249 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| APWI Fits: all 2016 Flex engines | FD8506 | 🇺🇸 US 🇨🇦 CA | Rear RightAWD | View on Amazon |
| APWI Fits: 3.5L V6 Turbocharged | FD8412 | 🇺🇸 US 🇨🇦 CA | Front LeftAWD | View on Amazon |
| CARDONE Fits: 3.5L V6 | 662211 | 🇺🇸 US 🇨🇦 CA | Front RightAWD | View on Amazon |
| CARDONE Fits: 3.5L V6 | 662186 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| CARDONE Fits: 3.5L V6 Turbocharged | 662254 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GSP Fits: 3.5L V6 | NCV11032 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GSP Fits: all 2016 Flex engines | NCV11177 | 🇺🇸 US 🇨🇦 CA | Rear RightLimited or SEL Model | View on Amazon |
| GSP Fits: all 2016 Flex engines | NCV11190 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| GSP Fits: 3.5L V6 | NCV11227 | 🇺🇸 US 🇨🇦 CA | Front RightAWD | View on Amazon |
| GSP Fits: 3.5L V6 | NCV11197 | 🇺🇸 US 🇨🇦 CA | Front RightFWD | View on Amazon |
| GSP Fits: 3.5L V6 | NCV11236 | 🇺🇸 US 🇨🇦 CA | Front RightAWD | View on Amazon |
| GSP Fits: 3.5L V6 Turbocharged | NCV11030 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GSP Fits: 3.5L V6 Turbocharged | NCV11531 | 🇺🇸 US 🇨🇦 CA | Front Rightwith intermediate shaft | View on Amazon |
| TOP NOTCH Fits: all 2016 Flex engines | TN40117 | 🇺🇸 US 🇨🇦 CA | Rear RightLimited or SEL Model | View on Amazon |
| TOP NOTCH Fits: all 2016 Flex engines | TN40130 | 🇺🇸 US 🇨🇦 CA | Rear Left | View on Amazon |
| TRAKMOTIVE Fits: all 2016 Flex engines | FD8233 | 🇺🇸 US 🇨🇦 CA | Rear LeftAWD | View on Amazon |
| TRAKMOTIVE Fits: all 2016 Flex engines | FD8207 | 🇺🇸 US 🇨🇦 CA | Rear RightAWD | View on Amazon |
| TRAKMOTIVE Fits: all 2016 Flex engines | FD8333 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 3.5L V6 | FD8319 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 3.5L V6 | FD8320 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 3.5L V6 Turbocharged | FD8331 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 3.5L V6 Turbocharged | FD8257 | 🇺🇸 US 🇨🇦 CA | Front LeftAWD | 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.
31 CV Axle parts for the 2016 Ford Flex come from 6 brands — TRAKMOTIVE, GSP, TOP NOTCH and 3 other brands. The "Popular" part is APWI FD8413. A list this long means CV Axle applications vary by configuration — the notes carry the qualifiers.
CV Axle Support Bearing Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: all 2016 Flex engines | CVB3 | 🇺🇸 US 🇨🇦 CA | Bearing Bracket | View on Amazon |
This table covers the brackets that mount the CV Axle Support Bearing. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.
One part is listed for the 2016 Ford Flex — MOTORCRAFT CVB3.
CV Intermediate Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRAKMOTIVE Fits: 3.5L V6 Turbocharged | FD3517 | 🇺🇸 US 🇨🇦 CA | Front RightAWD | View on Amazon |
This table covers the CV Intermediate shafts.
One part is listed for the 2016 Ford Flex — TRAKMOTIVE FD3517.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MEVOTECH Fits: all 2016 Flex engines | DX251 | 🇺🇸 US 🇨🇦 CA | Front Inner | View on Amazon |
| MEVOTECH Fits: 3.5L V6 Turbocharged | DX787 | 🇺🇸 US 🇨🇦 CA | Front OuterAWD | View on Amazon |
| MEVOTECH Fits: 3.5L V6 Turbocharged | DX550 | 🇺🇸 US 🇨🇦 CA | Front InnerAWD | View on Amazon |
| MOTORCRAFT Fits: all 2016 Flex engines | TS221 | 🇺🇸 US 🇨🇦 CA | Rear Inner and OuterAWD | 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 for the 2016 Ford Flex come from 2 brands — MEVOTECH and MOTORCRAFT. 2 parts fit every engine; the other 2 are engine-specific.
This group includes MEVOTECH DX251, MEVOTECH DX787 and MEVOTECH DX550 and the remaining parts above.
Differential Carrier Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NSK Fits: all 2016 Flex engines | R6044 | 🇺🇸 US 🇨🇦 CA | Automatic trans.60 MM ID | View on Amazon |
| SKF Fits: all 2016 Flex engines | JLM506849 | 🇺🇸 US 🇨🇦 CA | with 2.1654 In. Bearing Inside Diameter | View on Amazon |
This table covers the bearings and races that support the differential carrier.
2 Differential Carrier Bearing / Race parts for the 2016 Ford Flex come from 2 brands — NSK and SKF. Every part fits both the 3.5L V6 and the 3.5L V6 Turbocharged.
This group includes NSK R6044 and SKF JLM506849.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA Fits: all 2016 Flex engines | NS99139 | 🇺🇸 US 🇨🇦 CA | Rear Outer | View on Amazon |
| NATIONAL Fits: all 2016 Flex engines | 99139 | 🇺🇸 US 🇨🇦 CA | Rear OuterAWD | View on Amazon |
| WJB / INMOTION PARTS Fits: all 2016 Flex engines | WS99139 | 🇺🇸 US 🇨🇦 CA | Rear OuterAWD | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
3 Differential Pinion Repair Sleeve parts for the 2016 Ford Flex come from 3 brands — BCA, NATIONAL and WJB / INMOTION PARTS. Every part fits both the 3.5L V6 and the 3.5L V6 Turbocharged.
Listed part numbers: BCA NS99139, NATIONAL 99139 and WJB / INMOTION PARTS WS99139.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 2016 Flex engines | 711010 | 🇺🇸 US 🇨🇦 CA | Rear OuterAWD | View on Amazon |
| TIMKEN Fits: all 2016 Flex engines | SL260556 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
| WJB / INMOTION PARTS Fits: all 2016 Flex engines | WS711010 | 🇺🇸 US 🇨🇦 CA | Rear OuterAWD | View on Amazon |
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.
3 Differential Pinion Seal parts for the 2016 Ford Flex come from 3 brands — NATIONAL, TIMKEN and WJB / INMOTION PARTS. Every part fits both the 3.5L V6 and the 3.5L V6 Turbocharged.
Part numbers include NATIONAL 711010, TIMKEN SL260556 and WJB / INMOTION PARTS WS711010.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2016 Flex engines | 936848 | 🇺🇸 US 🇨🇦 CA | Length: 89.25"OE Fix | View on Amazon |
| WJB / INMOTION PARTS Fits: all 2016 Flex engines | WDS36848 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
2 Drive Shaft parts are listed for the 2016 Ford Flex, from DORMAN and WJB / INMOTION PARTS. All of them fit every engine offered in the 2016 Flex.
Listed part numbers: DORMAN 936848 and WJB / INMOTION PARTS WDS36848.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: all 2016 Flex engines | 104361 | 🇺🇸 US 🇨🇦 CA | Synthetic Gear Lube Limited Slip 75W-901 Quart | View on Amazon |
| VALVOLINE Popular Fits: 3.5L V6 Turbocharged | VV975 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | VV820 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | 889785 | 🇺🇸 US 🇨🇦 CA | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | 882505 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | 723856 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | VV822 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 75W-90 Gear Oil16 Gallon KEG | 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 for the 2016 Ford Flex come from 2 brands — VALVOLINE and MOBIL. The "Popular" part is MOBIL 104361. 1 part fits every engine; the other 6 are engine-specific.
This group includes MOBIL 104361, VALVOLINE VV975 and VALVOLINE VV820 and the remaining parts above.
Power Take Off (PTO) Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2016 Flex engines | 600238 | 🇺🇸 US 🇨🇦 CA | AWDwith Class III Trailer Tow Package | View on Amazon |
This table covers the Power Take Off (PTO) assemblies.
This group shows a single part: DORMAN 600238.
Transfer Case Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Fits: all 2016 Flex engines | V252274 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Transfer Case assemblies.
This group shows a single part: VAICO V252274.
Transfer Case Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 3.5L V6 | TM259 | 🇺🇸 US 🇨🇦 CA | AWD | View on Amazon |
This table covers the Transfer Case control modules.
One part is listed for the 2016 Ford Flex — MOTORCRAFT TM259.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: 3.5L V6 Turbocharged | VV982 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-14 0 Gear Oil1 Quart | View on Amazon |
| MOBIL Fits: all 2016 Flex engines | 102490 | 🇺🇸 US 🇨🇦 CA | Synthetic Gear Lube Limited Slip 75W-14 0Mobil 1 Synthetic Gear Lubricant LS 75W-14 0 | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | 889787 | 🇺🇸 US 🇨🇦 CA | Full Synthetic SAE 75W-14 0 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | 887344 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-14 0 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.5L V6 Turbocharged | VV981 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-14 0 Gear Oil5 Gallon | 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.
5 Transfer Case Fluid parts for the 2016 Ford Flex come from 2 brands — VALVOLINE and MOBIL. The "Popular" part is VALVOLINE VV982. 1 part fits every engine; the other 4 are engine-specific.
Part numbers include VALVOLINE VV982, MOBIL 102490 and VALVOLINE 889787, among others listed above.
Transfer Case Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 2016 Flex engines | 711140 | 🇺🇸 US 🇨🇦 CA | Left | 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.
One part is listed for the 2016 Ford Flex — NATIONAL 711140.
Transfer Case Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: all 2016 Flex engines | 711139 | 🇺🇸 US 🇨🇦 CA | Front Outer | View on Amazon |
| SCHAEFFLER Fits: all 2016 Flex engines | SS2863 | 🇺🇸 US 🇨🇦 CA | RearAWD | 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 for the 2016 Ford Flex come from 2 brands — NATIONAL and SCHAEFFLER. Every part fits both the 3.5L V6 and the 3.5L V6 Turbocharged.
Part numbers include NATIONAL 711139 and SCHAEFFLER SS2863.
Buying Drivetrain Parts for a 2016 Ford Flex
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. Some drivetrain parts fit every engine; others are 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: CV Axle and Gear Oil .
Frequently Asked Questions
How many drivetrain parts fit the 2016 Ford Flex?
Our catalog currently lists 69 drivetrain parts for the 2016 Ford Flex across 17 subcategories and 18 brands, covering both the 3.5L V6 and the 3.5L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2016 Ford Flex engines?
Some do. 33 parts fit every engine; the other 36 are engine-specific. Each row (and the filter at the top) shows which. 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 2016 Ford Flex?
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 2016 Ford Flex 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 2016 Ford Flex?
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 2016 Ford Flex
Drivetrain Parts for Other Ford Flex Years
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