2004 Peterbilt 378 Transmission Electrical Parts

Keep Your 2004 Peterbilt 378 in Top Shape with a Quality Transmission Electrical Part

When it comes to maintaining or upgrading your 2004 Peterbilt 378, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Transmission Electrical Part for your 378. We currently carry a top Transmission Electrical Part in stock that is built to last. Whether you’re replacing a damaged Transmission Electrical Part or looking to upgrade, our selection for the 2004 Peterbilt 378 ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Looking for the perfect Transmission Electrical Part for your 2004 Peterbilt 378? You’re in the right place. Below, you’ll find a Transmission Electrical Part from a trusted manufacturer that is a perfect fit for your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Transmission Electrical Parts, ensuring durability and a precise fit for your Peterbilt 378. Whether you’re driving a 2004 model or another popular model year like 2005 and 2006, we’ve got you covered. Purchasing Transmission Electrical Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Transmission Electrical Parts that fit your vehicle.

Popular 2004 Peterbilt 378 Transmission Electrical Parts Categories

Speed Sensors

Most Popular Speed Sensor for 2004 Peterbilt 378s

Enhance your 2004 Peterbilt 378 with this popular Speed Sensor we have in stock, for $186.99.

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$186.99

This automatic transmission speed sensor matches the fit and function of the original equipment sensor to restore critical speed-dependent vehicle functions. This part has been engineered and rigorously tested to ensure reliable performance.

Product Features:

Direct replacement – this automatic transmission speed sensor matches the fit and function of the original equipment sensor
Durable construction – this sensor is engineered to precise standards to ensure accurate signal output
Easy installation – this sensor is installed using the original hardware and plugs into the vehicle’s existing wiring
Quality tested – this part has undergone try-on validation and rigorous quality testing to ensure a quality fit and long service life

FAQs for 2004 Peterbilt 378 Transmission Electrical Parts

What’s the price range for 2004 Peterbilt 378 Transmission Electrical Parts?

We currently have just one Transmission Electrical Parts for the 2004 Peterbilt 378 in stock: Transmission Speed Sensor and it costs $186.99.

Does Advance Auto Parts sell Transmission Electrical Parts for any other 2004 Peterbilt models?

Yes. We stock Transmission Electrical Parts for 5 other popular 2004 Peterbilt models. Some of the most popular are 2004 387 Transmission Electrical Parts, 2004 379 Transmission Electrical Parts, 2004 330 Transmission Electrical Parts, 2004 385 Transmission Electrical Parts, and 2004 362 Transmission Electrical Parts.

What types of Transmission Electrical Parts do you sell for my 2004 Peterbilt 378?

We currently have just 1 Transmission Electrical Part in stock for a 2004 Peterbilt 378, and as of 11/2/25, it is a Speed Sensor.

Can I get help with 2004 Peterbilt 378 Transmission Electrical Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Peterbilt Transmission Electrical Parts and more.

What is your return policy for Peterbilt 378 Transmission Electrical Parts?

Advance Auto Parts keeps returns simple. For new Peterbilt 378 Transmission Electrical Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.