This page lists 72 belt drive parts for the 2004 Cadillac Deville, across 4 part types, covering the 4.6L V8 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2004 Cadillac Deville, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys. Most of the listed parts are Belt Tensioner (23 parts), Belt (22 parts) and Idler Pulley (14 parts). The other 1 part type covers the remaining 13 parts.
The 2004 Cadillac Deville came with a single engine, the 4.6L V8, and every part is verified against it.
16 brands supply belt drive parts for the 2004 Cadillac Deville, led by DAYCO (12 parts), GATES (9 parts) and CONTINENTAL (9 parts), plus 13 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 2004 Cadillac Deville. 16 parts have it, including DAYCO 5060825DR (Belt) and DAYCO 89266 (Belt Tensioner). Each part number opens a page with every vehicle that part fits.
Belt
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular | 5060825DR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Drive Rite®Serpentine | View on Amazon |
| GATES Popular | K060815 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Micro-V | View on Amazon |
| CONTINENTAL | 245K3MK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mileage MakerSerpentine | View on Amazon |
| CONTINENTAL | 817K6MK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mileage MakerSerpentine | View on Amazon |
| DAYCO | 5030243DR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Drive Rite®Serpentine | View on Amazon |
| DAYCO | 5060815DR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Drive Rite®Serpentine | View on Amazon |
| FVP | 243K3 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| FVP | 815K6 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| ROADMAX | 6K815AP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | V-RibbedSerpentine | View on Amazon |
| SKP | SK030243 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Serpentine | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BANDO Popular | 6PK2095 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rib Quantity: 6Effective length: 2095.0mm | View on Amazon |
| DAYCO Popular | 5060815 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Serpentine | View on Amazon |
| GATES Popular | K030243 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Micro-V | View on Amazon |
| ACDELCO | 3K243 | 🇺🇸 US 🇨🇦 CA | Professional / GoldSerpentine | View on Amazon |
| ACDELCO | 12569505 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentSerpentine | View on Amazon |
| ACDELCO | 6K815 | 🇺🇸 US 🇨🇦 CA | Professional / GoldSerpentine | View on Amazon |
| BANDO | 3PK620 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | V-RibbedRib Quantity: 3 | View on Amazon |
| BANDO | 6PK2070 | 🇺🇸 US 🇨🇦 CA | Rib Quantity: 6Inch Number: 815K6 | View on Amazon |
| CONTINENTAL | 4030245 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| CONTINENTAL | 4060817 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi V-BeltSerpentine | View on Amazon |
| DAYCO | 5030243 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Serpentine | View on Amazon |
| DAYCO | 5060825 | 🇺🇸 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.
22 Belt parts for the 2004 Cadillac Deville come from 8 brands — DAYCO, CONTINENTAL, BANDO and 5 other brands. The "Popular" part is DAYCO 5060825DR.
The Economy section lists 10 options from DAYCO, CONTINENTAL, FVP and 3 other brands — the catalog's value-priced group. DAYCO 5060825DR is listed in this group.
In the Standard Replacement grade, BANDO, DAYCO, ACDELCO and 2 other brands supply 12 parts: built to original-equipment specification. A representative part number is BANDO 6PK2095.
Belt Tensioner
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES | B20163 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Main Drive | View on Amazon |
| CLOYES | B20162 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Water Pump | View on Amazon |
| DORMAN | 419122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Water Pump | View on Amazon |
| DORMAN | 419117 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Accessory Drive | View on Amazon |
| SKP | SK89317 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Water Pump | View on Amazon |
| SKP | SK89266 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Accessory Drive | View on Amazon |
Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO | KIT6BCK | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| GATES | 90K38197 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | KitIncludes: Belt, Tensioner | View on Amazon |
| GATES | 90K38153A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | KitIncludes: Belt, Tensioner, Idler | View on Amazon |
| ULTRA-POWER | 90K38197 | 🇺🇸 US 🇨🇦 CA | Water Pump | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO Popular | 89266 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Accessory Drive | View on Amazon |
| DAYCO Popular | 89317 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Water Pump | View on Amazon |
| GATES Popular | 38153 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Accessory Drive | View on Amazon |
| GATES Popular | 38197 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Water Pump | View on Amazon |
| GM GENUINE Popular | 12557838 | 🇺🇸 US 🇨🇦 CA | ACDELCO | View on Amazon |
| ACDELCO | 38197 | 🇺🇸 US 🇨🇦 CA | Professional / Gold | View on Amazon |
| ACDELCO | 38153 | 🇺🇸 US 🇨🇦 CA | Professional / Gold | View on Amazon |
| CONTINENTAL | 49240 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-V or Smooth Pulley | View on Amazon |
| CONTINENTAL | 49299 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-VGrooved Pulley | View on Amazon |
| FOUR SEASONS | 45847 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic Tensioner | View on Amazon |
| GM GENUINE | 12555153 | 🇺🇸 US 🇨🇦 CA | Water Pump | View on Amazon |
| LITENS | 999417A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Water Pump | View on Amazon |
| LITENS | 999156A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Accessory Drive | 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.
23 Belt Tensioner parts are listed for the 2004 Cadillac Deville, from GATES, DAYCO, CLOYES and 8 other brands. DAYCO 89266 carries the "Popular" badge.
Economy: 6 parts, from CLOYES, DORMAN and SKP. A representative part number is CLOYES B20163.
In the Kit grade, GATES, DAYCO and ULTRA-POWER supply 4 parts: grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. A representative part number is DAYCO KIT6BCK.
The Standard Replacement section: 13 options from DAYCO, GATES, GM GENUINE and 4 other brands. DAYCO 89266 is listed in this group.
Idler Pulley
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SK89145 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved | View on Amazon |
| SKP Popular | SK89007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved or Smooth | View on Amazon |
| DORMAN | 419663 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| SKP | SK89159 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| SKP | SK89171 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth or GroovedGrooved | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 38041 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| ACDELCO | 38041 | 🇺🇸 US 🇨🇦 CA | GoldSmooth | View on Amazon |
| CONTINENTAL | 49036 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| DAYCO | 89159 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| FOUR SEASONS | 45072 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| GM GENUINE | 12557554 | 🇺🇸 US 🇨🇦 CA | Includes Bolt | View on Amazon |
| GPD | 4011250 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth3" Diameter | View on Amazon |
| HAYDEN | 5072 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| LITENS | 900050A | 🇺🇸 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.
14 Idler Pulley parts for the 2004 Cadillac Deville come from 11 brands — SKP, DORMAN, GATES and 8 other brands. The "Popular" part is SKP SK89145.
The Economy section: 5 options from SKP and DORMAN. SKP SK89145 is listed in this group.
Standard Replacement: 9 parts, from GATES, ACDELCO, CONTINENTAL and 6 other brands. A representative part number is GATES 38041.
Tensioner Pulley
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 419610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved or SmoothSmooth | View on Amazon |
| DORMAN | 419632 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Popular | 49006 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| DAYCO Popular | 89007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SmoothIdler Assembly | View on Amazon |
| HAYDEN Popular | 5979 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| ACDELCO | 38025 | 🇺🇸 US 🇨🇦 CA | Professional / GoldGrooved | View on Amazon |
| CONTINENTAL | 49009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved | View on Amazon |
| DAYCO | 89145 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved | View on Amazon |
| FOUR SEASONS | 45979 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved or SmoothBelt Type: Back Idler | View on Amazon |
| GATES | 38006 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| GATES | 38025 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved | View on Amazon |
| LITENS | 900022A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Smooth | View on Amazon |
| LITENS | 900015A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grooved | 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.
13 Tensioner Pulley parts are listed for the 2004 Cadillac Deville, from DORMAN, CONTINENTAL, DAYCO and 5 other brands. CONTINENTAL 49006 carries the "Popular" badge.
Economy: 2 parts, from DORMAN. A representative part number is DORMAN 419610.
The Standard Replacement section: 11 options from CONTINENTAL, DAYCO, GATES and 4 other brands. CONTINENTAL 49006 is listed in this group.
Buying Belt Drive Parts for a 2004 Cadillac Deville
On this vehicle, the belt drive system spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.
- Confirm you have the 4.6L V8 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 Belt .
Frequently Asked Questions
How many belt drive parts fit the 2004 Cadillac Deville?
Our catalog currently lists 72 belt drive parts for the 2004 Cadillac Deville across 4 subcategories and 16 brands, covering the 4.6L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of belt drive problems on a 2004 Cadillac Deville?
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 2004 Cadillac Deville 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 2004 Cadillac Deville?
Every part on this page is matched to the 4.6L V8 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 2004 Cadillac Deville
Belt Drive Parts for Other Cadillac Deville Years
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