Dorman 977-557 Throttle Body
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
$206.73
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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
Original equipment throttle bodies often fail when moisture and oil intrusion foul the internal electronics. This Dorman OE FIX throttle body features Dorman Sensor Shield technology, a proprietary butterfly shaft seal to prevent future failures from this contamination.
- Upgraded replacement - this electronic throttle body features enhanced internal components to prevent future failures
- New construction - 100% new case aluminum, not remanufactured, for reliability and the convenience of no core charge
- Simple replacement - installation is the same as original equipment with plug-and-play electrical connector
- Quality engineering - designed in the United States and backed by decades of automotive aftermarket experience
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 2014 | Ford | Expedition | V8 330 5.4L | ||
| 2014 | Lincoln | Navigator | V8 330 5.4L | ||
| 2013 | Ford | Expedition | V8 330 5.4L | ||
| 2013 | Lincoln | Navigator | V8 330 5.4L | ||
| 2013 | Lincoln | Navigator | V8 330 5.4L (5408cc) | ||
| 2012 | Ford | Expedition | V8 330 5.4L | ||
| 2012 | Lincoln | Navigator | V8 330 5.4L | ||
| 2011 | Ford | Expedition | V8 330 5.4L | ||
| 2011 | Lincoln | Navigator | V8 330 5.4L | ||
| 2010 | Ford | Expedition | V8 330 5.4L | ||
| 2010 | Ford | F-150 | V8 330 5.4L | ||
| 2010 | Ford | F-250 Super Duty | V8 330 5.4L | ||
| 2010 | Ford | F-350 Super Duty | V8 330 5.4L | ||
| 2010 | Ford | Lobo (Mexico) | V8 330 5.4L | ||
| 2010 | Lincoln | Mark LT (Mexico) | V8 330 5.4L | From 2/01/10 | |
| 2010 | Lincoln | Navigator | V8 330 5.4L | ||
| 2009 | Ford | Expedition | V8 330 5.4L | ||
| 2009 | Ford | F-150 | V8 330 5.4L | ||
| 2009 | Ford | F-250 Super Duty | V8 330 5.4L | ||
| 2009 | Ford | F-350 Super Duty | V8 330 5.4L | ||
| 2009 | Lincoln | Navigator | V8 330 5.4L | ||
| 2008 | Ford | Expedition | V8 330 5.4L | ||
| 2008 | Ford | F-150 | V8 330 5.4L | ||
| 2008 | Ford | F-250 Super Duty | V8 330 5.4L | ||
| 2008 | Ford | F-350 Super Duty | V8 330 5.4L | ||
| 2008 | Lincoln | Mark LT | V8 330 5.4L | ||
| 2008 | Lincoln | Navigator | V8 330 5.4L | ||
| 2007 | Ford | Expedition | V8 330 5.4L | ||
| 2007 | Ford | F-150 | V8 330 5.4L | ||
| 2007 | Ford | F-250 Super Duty | V8 330 5.4L | ||
| 2007 | Ford | F-350 Super Duty | V8 330 5.4L | ||
| 2007 | Lincoln | Mark LT | V8 330 5.4L | ||
| 2007 | Lincoln | Navigator | V8 330 5.4L | ||
| 2006 | Ford | Expedition | V8 330 5.4L | ||
| 2006 | Ford | F-150 | V8 330 5.4L | ||
| 2006 | Ford | F-250 Super Duty | V8 330 5.4L | ||
| 2006 | Ford | F-350 Super Duty | V8 330 5.4L | ||
| 2006 | Lincoln | Mark LT | V8 330 5.4L | ||
| 2006 | Lincoln | Navigator | V8 330 5.4L | ||
| 2005 | Ford | Expedition | V8 330 5.4L | ||
| 2005 | Ford | F-150 | V8 330 5.4L | ||
| 2005 | Ford | F-250 Super Duty | V8 330 5.4L | ||
| 2005 | Ford | F-350 Super Duty | V8 330 5.4L | ||
| 2005 | Lincoln | Navigator | V8 330 5.4L | ||
| 2004 | Ford | F-150 | V8 330 5.4L |
Product Specifications
| Adjustable: | No |
|---|---|
| Bore Diameter: | 3.353 in |
| Connector/Terminal Type: | Blade |
| Electrical Connection Type: | Female Blade |
| Fuel Injectors Included: | No |
| Fuel System Type: | Gas |
| Gasket Or Seal Included: | No |
| Housing Color: | Silver |
| Housing Material: | Aluminum |
| Idle Air Control Motor Included: | No |
| Inlet Quantity: | 0 |
| Installation Hardware Included: | No |
| Outlet Quantity: | 0 |
| Package Contents: | 1 Fuel Injection Throttle Body |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Terminal Count: | 6 |
| Throttle Body Mounted: | No |
| Throttle Body Spacer Included: | No |
| Throttle Body Type: | Electronic |
| Throttle Position Sensor Included: | Yes |
| Venturi Quantity: | 0 |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 3L3Z9E926AA | FORD MOTOR COMPANY |
| 6L3Z-9E926-A | FORD MOTOR COMPANY |
| 8L3Z-9E926-A | FORD MOTOR COMPANY |
| 8L3Z-9E926-B | FORD MOTOR COMPANY |
| 8L3Z-9E926-C | FORD MOTOR COMPANY |