Dorman 419-647 Drive Belt Tensioner Pulley
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$24.30
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
Product Description
This accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.
- Direct replacement - this accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications
- Restores functionality - reliable replacement for an original pulley that has failed due to vibration or corrosion
- Durable construction - this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 1993 | Ford | Thunderbird | V6 232 3.8L | Attached to Alternator Bracket | |
| 1992 | Ford | Thunderbird | V6 232 3.8L | Attached to Alternator Bracket | |
| 1991 | Ford | Thunderbird | V6 232 3.8L | Attached to Alternator Bracket | |
| 1990 | Ford | Cougar (Mexico) | V6 232 3.8L | Attached to Alternator Bracket | |
| 1990 | Ford | Thunderbird | V6 232 3.8L | Attached to Alternator Bracket | |
| 1990 | Ford | Thunderbird | V6 232 3.8L (3797cc) | Attached to Alternator Bracket | |
| 1990 | Mercury | Cougar | Naturally Aspirated; V6 232 3.8L | Attached to Alternator Bracket | |
| 1989 | Ford | Thunderbird | V6 232 3.8L | Attached to Alternator Bracket | |
| 1989 | Ford | Thunderbird | V6 232 3.8L (3797cc) | Attached to Alternator Bracket | |
| 1989 | Mercury | Cougar | V6 232 3.8L | Attached to Alternator Bracket |
Product Specifications
| Belt Type: | Grooved |
|---|---|
| Grade Type: | Standard Replacement |
| Groove Quantity: | 0 |
| Inside Diameter: | 17 mm |
| Material: | Polyamide |
| Mounting Hardware Included: | No |
| Outside Diameter: | 78 mm |
| Package Contents: | 1 Idler Pulley |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Pulley Bearing Quantity: | 2 |
| Pulley Bearing Width (mm): | 24 mm |
| Selling Package Quantity UOM: | Piece |
| Universal Or Specific Fit: | Specific |
| Width: | 33 mm |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 3935819 | CUMMINS |
| E9SE6B209JA | FORD MOTOR COMPANY |
| E9SZ6B209A | FORD MOTOR COMPANY |
| NON-DIRECT OE CROSS | |
|---|---|
| 3912254 | CHRYSLER |