The 2016 Ford Flex has 25 belt drive parts with verified fitment on this page — 4 part types and 13 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 belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. 24 parts of the 25 listed are Belt Tensioner (13 parts), Belt (10 parts) and Belt Removal / Installation Tool (1 part). The other 1 part type covers the remaining 1 part.
The 2016 Ford Flex was sold with both the 3.5L V6 and the 3.5L V6 Turbocharged. 24 parts fit every engine; the other 1 is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2016 Ford Flex belt drive parts are DAYCO (5 parts), CONTINENTAL (3 parts) and GATES (3 parts), plus 10 more brands. Quality grades include Standard Replacement, Economy and Kit.
5 parts on this 2016 Ford Flex page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including DAYCO 5060450 (Belt) and DAYCO 5060450K1 (Belt Tensioner). Click any part number to see every vehicle that part fits.
Belt
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Fits: all 2016 Flex engines | 450K6MK | 🇺🇸 US 🇨🇦 CA | Mileage MakerSerpentine | View on Amazon |
| DAYCO Fits: all 2016 Flex engines | 5060450DR | 🇺🇸 US 🇨🇦 CA | Drive Rite®Serpentine | View on Amazon |
| FVP Fits: all 2016 Flex engines | 450K6 | 🇺🇸 US 🇨🇦 CA | Multi V-BeltSerpentine | View on Amazon |
| SKP Fits: all 2016 Flex engines | SK060448 | 🇺🇸 US 🇨🇦 CA | Serpentine | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular Fits: all 2016 Flex engines | 5060450 | 🇺🇸 US 🇨🇦 CA | Serpentine | View on Amazon |
| MOTORCRAFT Popular Fits: all 2016 Flex engines | JK6455D | 🇺🇸 US 🇨🇦 CA | Serpentine | View on Amazon |
| ACDELCO Fits: all 2016 Flex engines | 6K448 | 🇺🇸 US 🇨🇦 CA | Professional / GoldSerpentine | View on Amazon |
| BANDO Fits: all 2016 Flex engines | 6PK1140 | 🇺🇸 US 🇨🇦 CA | Rib Quantity: 6 | View on Amazon |
| CONTINENTAL Fits: all 2016 Flex engines | 4060450 | 🇺🇸 US 🇨🇦 CA | Multi V-BeltSerpentine | View on Amazon |
| GATES Fits: all 2016 Flex engines | K060448 | 🇺🇸 US 🇨🇦 CA | Micro-V | View on Amazon |
This table covers the serpentine and accessory belts that drive the front accessories. Typical signs include squeal on cold start, cracks across the ribs, or glazing on the back of the belt. A new belt on a worn tensioner will squeal within weeks — spin the idlers by hand while the belt is off.
10 Belt parts are listed for the 2016 Ford Flex, from CONTINENTAL, DAYCO, FVP and 5 other brands. DAYCO 5060450 carries the "Popular" badge. All of them fit every engine offered in the 2016 Flex.
In the Economy grade, CONTINENTAL, DAYCO, FVP and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is CONTINENTAL 450K6MK.
The Standard Replacement section lists 6 options from DAYCO, MOTORCRAFT, ACDELCO and 3 other brands — built to original-equipment specification. DAYCO 5060450 is listed in this group.
Belt Removal / Installation Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LISLE Fits: 3.5L V6 Turbocharged | 59350 | 🇺🇸 US 🇨🇦 CA | For Extra Deep Double Pulleys | View on Amazon |
This table covers the Belt Removal / Installation tools. This is a service tool, not a wear part — match the application in the notes.
This group shows a single part: LISLE 59350.
Belt Tensioner
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: all 2016 Flex engines | B20214 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN Fits: all 2016 Flex engines | 419324 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP Fits: all 2016 Flex engines | SK89603 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VAICO Fits: all 2016 Flex engines | V252385 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular Fits: all 2016 Flex engines | 5060450K1 | 🇺🇸 US 🇨🇦 CA | Includes: Serpentine Belt and TensionerKit | View on Amazon |
| GATES Popular Fits: all 2016 Flex engines | 90K38485C | 🇺🇸 US 🇨🇦 CA | KitIncludes: Belt, Tensioner | View on Amazon |
| CLOYES Fits: all 2016 Flex engines | B40278 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2016 Flex engines | 38485 | 🇺🇸 US 🇨🇦 CA | Professional / Gold | View on Amazon |
| CONTINENTAL Fits: all 2016 Flex engines | 49450 | 🇺🇸 US 🇨🇦 CA | Multi-V or Smooth Pulley | View on Amazon |
| DAYCO Fits: all 2016 Flex engines | 89603 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GATES Fits: all 2016 Flex engines | 38485 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| LITENS Fits: all 2016 Flex engines | 999419A | 🇺🇸 US 🇨🇦 CA | Bearing Bore Inside Diameter: 17 MM | View on Amazon |
| MOTORCRAFT Fits: all 2016 Flex engines | BT97 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the automatic tensioners that hold belt tension. Typical signs include belt flutter, a chirp that returns after a new belt, or a damper that no longer holds the arm. Replace the tensioner with the belt at higher mileage; the labor overlaps almost entirely.
13 Belt Tensioner parts for the 2016 Ford Flex come from 10 brands — CLOYES, DAYCO, GATES and 7 other brands. The "Popular" part is DAYCO 5060450K1. Every part fits both the 3.5L V6 and the 3.5L V6 Turbocharged.
The Economy section: 4 options from CLOYES, DORMAN, SKP and 1 other brand. CLOYES B20214 is listed in this group.
The Kit section lists 3 options from DAYCO, GATES and CLOYES — grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. DAYCO 5060450K1 is listed in this group.
Standard Replacement: 6 parts, from ACDELCO, CONTINENTAL, DAYCO and 3 other brands. A representative part number is ACDELCO 38485.
Tensioner Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Fits: all 2016 Flex engines | 89144 | 🇺🇸 US 🇨🇦 CA | Grooved or SmoothBearing Inner Diameter 1: 17 MM | View on Amazon |
This table covers the pulleys on the tensioner arm. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt.
This group shows a single part: DAYCO 89144.
Buying Belt Drive Parts for a 2016 Ford Flex
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Match the engine first. Some belt drive 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 tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Belt Tensioner and Belt .
Frequently Asked Questions
How many belt drive parts fit the 2016 Ford Flex?
Our catalog currently lists 25 belt drive parts for the 2016 Ford Flex across 4 subcategories and 13 brands, covering both the 3.5L V6 and the 3.5L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do belt drive parts differ between 2016 Ford Flex engines?
Some do. 24 parts fit every engine; the other 1 is 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 belt drive problems on a 2016 Ford Flex?
Common symptoms include squealing on cold start, a belt that shows cracking or glazing, or an accessory that slows under load. 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 tensioner and idler pulleys with any belt at higher mileage — the labor overlaps almost entirely.
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 new belt on a worn tensioner will squeal within weeks — check tensioner damping and idler bearings while the belt is off. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2016 Ford Flex
Belt Drive Parts for Other Ford Flex Years
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