Dorman 645-551 Pigtail Connector - HVAC Blower Switch
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
$18.78
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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 HVAC blower switch connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.
- Direct replacement - this HVAC blower switch connector matches the appearance and function of the factory hardware on specified applications
- Ideal solution - this connector is a reliable replacement for an original part that is missing or 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
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2018 | Ford | E-350 Super Duty | 4 Cavity Male | ||
| 2017 | Ford | E-350 Super Duty | 4 Cavity Male | ||
| 2017 | Ford | E-450 Super Duty | 4 Cavity Male | ||
| 2016 | Ford | E-350 Super Duty | 4 Cavity Male | ||
| 2016 | Ford | E-450 Super Duty | 4 Cavity Male | ||
| 2015 | Ford | E-350 Super Duty | 4 Cavity Male | ||
| 2015 | Ford | E-450 Super Duty | 4 Cavity Male | ||
| 2014 | Ford | E-150 | 4 Cavity Male | ||
| 2014 | Ford | E-250 | 4 Cavity Male | ||
| 2014 | Ford | E-350 Super Duty | 4 Cavity Male | ||
| 2014 | Ford | E-450 Super Duty | 4 Cavity Male | ||
| 2014 | Ford | Econoline Van (Mexico) | 4 Cavity Male | ||
| 2014 | Ford | Econoline Wagon (Mexico) | 4 Cavity Male | ||
| 2013 | Ford | E-150 | 4 Cavity Male | ||
| 2013 | Ford | E-250 | 4 Cavity Male | ||
| 2013 | Ford | E-350 Super Duty | 4 Cavity Male | ||
| 2013 | Ford | E-450 Super Duty | 4 Cavity Male | ||
| 2013 | Ford | Econoline Van (Mexico) | 4 Cavity Male | ||
| 2013 | Ford | Econoline Wagon (Mexico) | 4 Cavity Male | ||
| 2012 | Ford | E-150 | 4 Cavity Male | ||
| 2012 | Ford | E-250 | 4 Cavity Male | ||
| 2012 | Ford | E-350 Super Duty | 4 Cavity Male | ||
| 2012 | Ford | E-450 Super Duty | 4 Cavity Male | ||
| 2012 | Ford | Econoline Van (Mexico) | 4 Cavity Male | ||
| 2012 | Ford | Econoline Wagon (Mexico) | 4 Cavity Male | ||
| 2011 | Ford | Crown Victoria | 4 Cavity Male | ||
| 2011 | Ford | E-150 | 4 Cavity Male | ||
| 2011 | Ford | E-250 | 4 Cavity Male | ||
| 2011 | Ford | E-350 Super Duty | 4 Cavity Male | ||
| 2011 | Ford | E-450 Super Duty | 4 Cavity Male | ||
| 2011 | Ford | Econoline Van (Mexico) | 4 Cavity Male | ||
| 2011 | Ford | Econoline Wagon (Mexico) | 4 Cavity Male | ||
| 2011 | Ford | Ranger | 4 Cavity Male | ||
| 2011 | Mercury | Grand Marquis | 4 Cavity Male | ||
| 2010 | Ford | Crown Victoria | 4 Cavity Male | ||
| 2010 | Ford | E-150 | 4 Cavity Male | ||
| 2010 | Ford | E-250 | 4 Cavity Male | ||
| 2010 | Ford | E-350 Super Duty | 4 Cavity Male | ||
| 2010 | Ford | E-450 Super Duty | 4 Cavity Male | ||
| 2010 | Ford | Econoline Van (Mexico) | 4 Cavity Male | ||
| 2010 | Ford | Econoline Wagon (Mexico) | 4 Cavity Male | ||
| 2010 | Ford | Explorer | 4 Cavity Male | ||
| 2010 | Ford | Explorer Sport Trac | 4 Cavity Male | ||
| 2010 | Ford | F-250 Super Duty | 4 Cavity Male | ||
| 2010 | Ford | F-350 Super Duty | 4 Cavity Male | ||
| 2010 | Ford | F-450 Super Duty | 4 Cavity Male | ||
| 2010 | Ford | F-550 Super Duty | 4 Cavity Male | ||
| 2010 | Ford | Ranger | 4 Cavity Male | ||
| 2010 | Mercury | Grand Marquis | 4 Cavity Male | ||
| 2010 | Mercury | Mountaineer | 4 Cavity Male |
Product Specifications
| Connector Length: | 8.1 |
|---|---|
| Connector Material: | Pa6 |
| Gasket Or Seal Included: | No |
| Installation Hardware Included: | No |
| Package Contents: | 1 Pigtail; 4 Butt Connectors |
| Terminal Type: | Spade |
| Water Resistant: | No |
| Wire Gauge Measurement: | ga. |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 1U2Z-14S411-BA | FORD MOTOR COMPANY |
| 1U2Z14S411BB | FORD MOTOR COMPANY |