Dorman 978-5411 Multifunction Switch 87-98 Peterbilt 379 378 377
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
$90.61
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 console multi-function switch is designed to match the appearance and function of the original switch on specified applications. Made of quality materials, it is engineered for reliable performance and durability.
- Direct replacement - this console multi-function switch is made to match the fit and performance of the original switch on specific vehicle applications
- Ideal solution - this switch is a reliable replacement for an original part 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 |
|---|---|---|---|---|
| 1987-1994 | Peterbilt | 377 | ||
| 1988-1998 | Peterbilt | 378 | ||
| 1987-1998 | Peterbilt | 379 |
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 | 978-5411 |
| UPC | 037495756051 |
| Terminal Gender | Female |
| Connector Quantity | 2 |
| Lever Included | Yes |
| Connector Color | Black; White |
| Universal Or Specific Fit | Specific |
| Indicator Markings | Yes |
| Indicator Markings Color | White |
| Cruise Control Cancel | No |
| Cruise Control On/Off Operator | No |
| Cruise Control Resume | No |
| Cruise Control Set | No |
| Cruise Control Speed +/- | No |
| Fog Lights Operator | No |
| Hazard Lights Operator | Yes |
| Latching High Beams Operator | Yes |
| Main Lights Operator | No |
| Momentary High Beams Flasher | No |
| Package Contents | 1 Multifunction Switch |
| Rear Window Washer Spray | No |
| Rear Window Wiper Delay Control | No |
| Rear Window Wiper Speed Settings | No |
| Running Lights Operator | No |
| Windshield Washer Spray | No |
| Windshield Wiper Delay Control | No |
| Windshield Wiper Delay Settings | No |
| Windshield Wiper Mist Setting | No |
| Windshield Wiper On/Off | No |
| Windshield Wiper Speed Settings | No |
| Country of Origin | China |
| Warranty | Limited Lifetime |
OE & Interchange Numbers
| TL10750 | Interchange |
|---|---|
| 1606432 | Interchange |
| VSM915Y124 | Interchange |
| 577.75004 | Interchange |