Dorman 300-921 Engine Smog Pump Pulley 87-96 Ford F-150 Bronco F-250 E9TZ9B447B
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
$31.83
Select your vehicle at the top of the page to check fitment.
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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.
This secondary air injection pump 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 secondary air injection pump 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 fatigue
- 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
Vehicle Fitment
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1993-1996 | Ford | Bronco | ||
| 1987-1992 | Ford | Bronco | 5.8L V8 | |
| 1987-1992 | Ford | Bronco | 5.0L V8 | |
| 1987-1996 | Ford | E-150 Econoline | 5.8L V8 | |
| 1987-1996 | Ford | E-150 Econoline | 5.0L V8 | |
| 1987-1996 | Ford | E-150 Econoline Club Wagon | 5.8L V8 | |
| 1987-1996 | Ford | E-150 Econoline Club Wagon | 5.0L V8 | |
| 1988-1996 | Ford | E-250 Econoline | Under 8,500 Lb. GVW; 5.8L V8 | |
| 1987-1991 | Ford | E-250 Econoline | 5.0L V8 | |
| 1988-1991 | Ford | E-250 Econoline Club Wagon | Under 8,500 Lb. GVW; 5.8L V8 | |
| 1987-1996 | Ford | F-150 | 5.8L V8 | |
| 1987-1996 | Ford | F-150 | 5.0L V8 | |
| 1988-1996 | Ford | F-250 | Under 8,500 Lb. GVW; 5.8L V8 | |
| 1987-1996 | Ford | F-250 | 5.0L V8 |
Please confirm the part number and your vehicle's year, make, model and engine before ordering. Questions? Message us with your VIN and we'll check fitment for you.
Specifications
| Brand | Dorman |
|---|---|
| Part Number | 300-921 |
| UPC | 019495080398 |
| Material | Steel |
| Color | Black |
| Width | 1.165 in. |
| Groove Quantity | 1 |
| Mounting Hole Quantity | 1 |
| Belt Type | V-Belt |
| Installation Hardware Included | No |
| Installation Instructions Included | No |
| Item Grade | Standard Replacement |
| Package Contents | 1 Smog Pump Pulley |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| E9TZ9B447B | Ford (OE) |
|---|