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GatesPart #: 37180P
Gates 37180P Alternator Decoupler Pulley
⚙️ 5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$146.46Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Decoupler Pulley
🚗Fitment: Chevrolet, Impala
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Alternator Decoupler Pulley options
Gates 37180P Alternator Decoupler Pulley
| Brand | Gates |
| Part Number | 37180P |
| Position | Decoupler Pulley |
| Material | Steel |
| Groove Quantity | 6 |
| Installation Tools Requirements | 91024-3 |
| Flanged | Yes |
| Width | 50 |
| Width | 50.2 |
| Outside Diameter | 63 |
| Bore Diameter | 17 |
| Contact Surface | V-ribbed grooved |
| Contents | Pulley, dust cap |
| Description | Alternator decoupler pulley |
| Flanged | Yes |
| OE Comparison Rating | Oe exact |
| Required Tool Part Number | 91024-3 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Chevrolet | Impala | 3.9L | V6 | FLEX | N/A | W/Denso Alt.; Decoupler Pulley |
| 2010 | Chevrolet | Impala | 3.9L | V6 | FLEX | N/A | W/Denso Alt.; Decoupler Pulley |
| 2009 | Chevrolet | Impala | 3.9L | V6 | FLEX | N/A | W/Denso Alt.; Decoupler Pulley |
| 2008 | Chevrolet | Impala | 3.9L | V6 | FLEX | N/A | W/Denso Alt.; Decoupler Pulley |
| 2007 | Chevrolet | Impala | 3.9L | V6 | GAS | N/A | W/Denso Alt.; Decoupler Pulley |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
37180P49933920844920844A
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.