37 Belt drive parts are listed for the 2011 Buick Enclave, in 4 part types, covering the 3.6L V6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2011 Buick Enclave, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. Most of the listed parts are Belt Tensioner (14 parts), Idler Pulley (11 parts) and Belt (10 parts). The other 1 part type covers the remaining 2 parts.
The 2011 Buick Enclave came with a single engine, the 3.6L V6, and every part is verified against it.
17 brands supply belt drive parts for the 2011 Buick Enclave, led by DAYCO (7 parts), ACDELCO (5 parts) and CONTINENTAL (4 parts), plus 14 more brands. Quality grades include Standard Replacement, Economy and Kit.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2011 Buick Enclave. 8 parts have it, including ACDELCO 6K938 (Belt) and SKP SK89389 (Belt Tensioner). Each part number opens a page with every vehicle that part fits.
Belt
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL | 940K6MK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mileage MakerSerpentine | View on Amazon |
| DAYCO | 5060940DR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Drive Rite®Serpentine | View on Amazon |
| FVP | 940K6 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| GATES | K060938 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Micro-V | View on Amazon |
| ROADMAX | 6K938AP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | V-RibbedSerpentine | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 6K938 | 🇺🇸 US 🇨🇦 CA | Professional / GoldSerpentine | View on Amazon |
| BANDO Popular | 6PK2385 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | V-RibbedRib Quantity: 6 | View on Amazon |
| ACDELCO | 12608660 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentSerpentine | View on Amazon |
| CONTINENTAL | 4060940 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| DAYCO | 5060940 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Serpentine | 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 for the 2011 Buick Enclave come from 7 brands — CONTINENTAL, DAYCO, ACDELCO and 4 other brands. The "Popular" part is ACDELCO 6K938.
The Economy section lists 5 options from CONTINENTAL, DAYCO, FVP and 2 other brands — the catalog's value-priced group. CONTINENTAL 940K6MK is listed in this group.
In the Standard Replacement grade, ACDELCO, BANDO, CONTINENTAL and 1 other brand supply 5 parts: built to original-equipment specification. A representative part number is ACDELCO 6K938.
Belt Tensioner
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SK89389 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| CLOYES | B20227 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | KIT3816443 | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| DAYCO | 5060940K1 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes: Serpentine Belt, Pulley and TensionerKit | View on Amazon |
| DAYCO | KIT626BCK | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| GATES | 90K38397B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | KitIncludes: Belt, Tensioner, Idler | View on Amazon |
| ULTRA-POWER | 90K38397B | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 38397 | 🇺🇸 US 🇨🇦 CA | Professional / Gold | View on Amazon |
| DAYCO Popular | 89389 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| CONTINENTAL | 49378 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-V or Smooth Pulley | View on Amazon |
| GATES | 38397 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GM GENUINE | 12715120 | 🇺🇸 US 🇨🇦 CA | Contact Surface: Smooth/Backside | View on Amazon |
| INA | FT40441 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| LITENS | 999679A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
14 Belt Tensioner parts are listed for the 2011 Buick Enclave, from DAYCO, ACDELCO, GATES and 7 other brands. SKP SK89389 carries the "Popular" badge.
Economy: 2 parts, from SKP and CLOYES. A representative part number is SKP SK89389.
In the Kit grade, DAYCO, ACDELCO, GATES and 1 other brand supply 5 parts: grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO KIT3816443.
The Standard Replacement section: 7 options from ACDELCO, DAYCO, CONTINENTAL and 4 other brands. ACDELCO 38397 is listed in this group.
Idler Pulley
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SK89131 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| SKP | SK89052 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SmoothSmooth | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 36110 | 🇺🇸 US 🇨🇦 CA | GoldSmooth | View on Amazon |
| GM GENUINE Popular | 12610680 | 🇺🇸 US 🇨🇦 CA | Pulley Outside Diameter (In): 2.76 IN | View on Amazon |
| CONTINENTAL | 50002 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SmoothIncludes Hardware | View on Amazon |
| DAYCO | 89131 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| FOUR SEASONS | 45083 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| GATES | 36110 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| GPD | 4011381 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HAYDEN | 5083 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| LITENS | 900518A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
This table covers the idler pulleys the belt wraps around. Typical signs include a chirp that follows engine speed, or a pulley that feels rough or has play. Replace a noisy idler with the belt — the labor is already paid for.
11 Idler Pulley parts for the 2011 Buick Enclave come from 10 brands — SKP, ACDELCO, GM GENUINE and 7 other brands. The "Popular" part is SKP SK89131.
The Economy section: 2 options from SKP. SKP SK89131 is listed in this group.
Standard Replacement: 9 parts, from ACDELCO, GM GENUINE, CONTINENTAL and 6 other brands. A representative part number is ACDELCO 36110.
Tensioner Pulley
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO | 89052 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| GMB | 4463436 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
2 Tensioner Pulley parts are listed for the 2011 Buick Enclave, from DAYCO and GMB.
Listed part numbers: DAYCO 89052 and GMB 4463436.
Buying Belt Drive Parts for a 2011 Buick Enclave
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Confirm you have the 3.6L V6 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 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 Idler Pulley .
Frequently Asked Questions
How many belt drive parts fit the 2011 Buick Enclave?
Our catalog currently lists 37 belt drive parts for the 2011 Buick Enclave across 4 subcategories and 17 brands, covering the 3.6L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of belt drive problems on a 2011 Buick Enclave?
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 2011 Buick Enclave 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 2011 Buick Enclave?
Every part on this page is matched to the 3.6L V6 engine. 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 2011 Buick Enclave
Belt Drive Parts for Other Buick Enclave Years
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