32 Belt drive parts are listed for the 2021 Cadillac Escalade, in 6 part types, covering both the 3.0L L6 DIESEL Turbocharged and the 6.2L V8. Each one has a brand, a manufacturer part number and notes that say where it fits.
The belt drive system on the 2021 Cadillac Escalade spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. The largest groups are Belt (15 parts), Idler Pulley (9 parts) and Belt Tensioner (4 parts). The other 3 part types cover the remaining 4 parts.
The 2021 Cadillac Escalade was sold with both the 3.0L L6 DIESEL Turbocharged and the 6.2L V8. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
12 brands supply belt drive parts for the 2021 Cadillac Escalade, led by GM GENUINE (7 parts), DAYCO (6 parts) and GATES (5 parts), plus 9 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Cadillac Escalade. 6 parts have it, including GATES K060747 (Belt) and GATES 36610 (Idler Pulley). Each part number opens a page with every vehicle that part fits.
Belt
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular Fits: 3.0L L6 DIESEL Turbocharged | K060747 | 🇺🇸 US 🇨🇦 CA | Micro-V | View on Amazon |
| DAYCO Fits: 3.0L L6 DIESEL Turbocharged | 5060750DR | 🇺🇸 US 🇨🇦 CA | Drive Rite®Serpentine | View on Amazon |
| ROADMAX Fits: 3.0L L6 DIESEL Turbocharged | 6K747AP | 🇺🇸 US 🇨🇦 CA | V-RibbedSerpentine | View on Amazon |
| SKP Fits: 6.2L V8 | SK040337 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SerpentineInstallation Tool Required | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 6.2L V8 | 12658178 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentSerpentine | View on Amazon |
| DAYCO Popular Fits: 3.0L L6 DIESEL Turbocharged | 5060750 | 🇺🇸 US 🇨🇦 CA | Serpentine | View on Amazon |
| DAYCO Popular Fits: 6.2L V8 | 4PK888EE | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ELA® Stretch BeltSerpentine | View on Amazon |
| ACDELCO Fits: 3.0L L6 DIESEL Turbocharged | 55490583 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentSerpentine | View on Amazon |
| ACDELCO Fits: 3.0L L6 DIESEL Turbocharged | 6K747 | 🇺🇸 US 🇨🇦 CA | Professional / GoldSerpentine | View on Amazon |
| ACDELCO Fits: 6.2L V8 | 12669858 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentSerpentine | View on Amazon |
| BANDO Fits: 6.2L V8 | 4PK887F | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rib Ace Fit Stretch Belt | View on Amazon |
| CONTINENTAL Fits: 6.2L V8 | 4040349S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-Belt Stretch Belt | View on Amazon |
| DAYCO Fits: 6.2L V8 | 6PK1742EE | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ELA® Stretch BeltSerpentine | View on Amazon |
| GATES Fits: 6.2L V8 | K040337SF | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Premium OE Stretch Fit Micro-V BeltRequires Installation Tool | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55493234 | 🇺🇸 US 🇨🇦 CA | Oil Pump | 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.
15 Belt parts for the 2021 Cadillac Escalade come from 8 brands — DAYCO, ACDELCO, GATES and 5 other brands. The "Popular" part is GATES K060747.
The Economy section lists 4 options from GATES, DAYCO, ROADMAX and 1 other brand — the catalog's value-priced group. GATES K060747 is listed in this group.
In the Standard Replacement grade, ACDELCO, DAYCO, BANDO and 3 other brands supply 11 parts: built to original-equipment specification. A representative part number is ACDELCO 12658178.
Belt Removal / Installation Tool
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Fits: 6.2L V8 | 93875 | 🇺🇸 US 🇨🇦 CA | For Air Conditioning Belt | View on Amazon |
| GATES Fits: 6.2L V8 | 91088 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | For Certain GM/Chevrolet applications | 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.
2 Belt Removal / Installation Tool parts are listed for the 2021 Cadillac Escalade, from DAYCO and GATES.
This group includes DAYCO 93875 and GATES 91088.
Belt Tensioner
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES Fits: 3.0L L6 DIESEL Turbocharged | B20581 | 🇺🇸 US 🇨🇦 CA | Escalade Base Model | View on Amazon |
| VAICO Fits: 3.0L L6 DIESEL Turbocharged | V510646 | 🇺🇸 US 🇨🇦 CA | Fits Escalade ESV | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 55490609 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Fits: 6.2L V8 | 49808 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-V | 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.
4 Belt Tensioner parts are listed for the 2021 Cadillac Escalade, from CLOYES, VAICO, GM GENUINE and 1 other brand.
Economy: 2 parts, from CLOYES and VAICO. A representative part number is CLOYES B20581.
The Standard Replacement section: 1 option from GM GENUINE. GM GENUINE 55490609 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Listed part numbers: CLOYES B20581, VAICO V510646 and GM GENUINE 55490609, plus the other parts above.
Belt Tensioner Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 11610074 | 🇺🇸 US 🇨🇦 CA | M8X1.25X45 | View on Amazon |
This table covers the Belt Tensioner bolts.
This group shows a single part: GM GENUINE 11610074.
Idler Pulley
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 6.2L V8 | 419091 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved | View on Amazon |
| VAICO Fits: 3.0L L6 DIESEL Turbocharged | V510647 | 🇺🇸 US 🇨🇦 CA | Fits Escalade ESV | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular Fits: 6.2L V8 | 36610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved | View on Amazon |
| GM GENUINE Popular Fits: 6.2L V8 | 1540607 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DAYCO Fits: 6.2L V8 | 89857 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved | View on Amazon |
| GATES Fits: 3.0L L6 DIESEL Turbocharged | 36975 | 🇺🇸 US 🇨🇦 CA | Smooth | View on Amazon |
| GM GENUINE Fits: 3.0L L6 DIESEL Turbocharged | 1540587 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: 6.2L V8 | 12739915 | 🇺🇸 US 🇨🇦 CA | Grooved | View on Amazon |
| LITENS Fits: 6.2L V8 | 900763A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved | 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.
9 Idler Pulley parts for the 2021 Cadillac Escalade come from 6 brands — GM GENUINE, GATES, DORMAN and 3 other brands. The "Popular" part is GATES 36610.
The Economy section: 2 options from DORMAN and VAICO. DORMAN 419091 is listed in this group.
Standard Replacement: 7 parts, from GM GENUINE, GATES, DAYCO and 1 other brand. A representative part number is GATES 36610.
Listed part numbers: GATES 36610, DORMAN 419091 and VAICO V510647, plus the other parts above.
Idler Pulley Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 6.2L V8 | 12669866 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: YES | View on Amazon |
This table covers the brackets that mount the Idler Pulley. 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.
This group shows a single part: GM GENUINE 12669866.
Buying Belt Drive Parts for a 2021 Cadillac Escalade
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Match the engine first. Every belt drive part here is 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 and Idler Pulley .
Frequently Asked Questions
How many belt drive parts fit the 2021 Cadillac Escalade?
Our catalog currently lists 32 belt drive parts for the 2021 Cadillac Escalade across 6 subcategories and 12 brands, covering both the 3.0L L6 DIESEL Turbocharged and the 6.2L V8. Each part is matched to the engine(s) it fits.
Do belt drive parts differ between 2021 Cadillac Escalade engines?
Yes. Every belt drive part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 2021 Cadillac Escalade?
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 2021 Cadillac Escalade 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 2021 Cadillac Escalade?
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 2021 Cadillac Escalade
Belt Drive Parts for Other Cadillac Escalade Years
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