PETERBILT 2545783 Heater Core 579

( Manufacturer Part Number: 2545783 ), ( Part Type: Heater )

Review PETERBILT 579 Heater Core fits 2015

The Peterbilt 2545783 579 Heater Core is an essential component of the heating system in Peterbilt Class 5 and 6 vehicles. Designed to provide efficient and reliable heating, this heater core is engineered to meet the demanding requirements of commercial applications.

The heater core is a compact, yet highly effective heat exchanger. It utilizes a brazed aluminum construction that maximizes the surface area for optimal heat transfer. This design allows the core to quickly and effectively heat up the engine coolant, which in turn warms the air that passes through it, providing comfortable and consistent heat for the cabin.

The Peterbilt 2545783 579 Heater Core comes with a built-in bypass valve that ensures proper cooling of the engine even in extreme operating conditions. The valve automatically engages when the coolant temperature exceeds a certain threshold, allowing cool air to bypass the heater core and circulate directly through the vehicle's HVAC system. This feature helps protect the heater core from potential damage caused by overheating and ensures the engine remains at optimal operating temperature.

The heater core is also designed with durability in mind. It features a corrosion-resistant finish, which helps protect it from the harsh environments commonly encountered in commercial applications. Additionally, the core is designed to be easily accessible for servicing, allowing for quick and efficient maintenance.

In summary, the Peterbilt 2545783 579 Heater Core is a high-quality, reliable, and durable component that plays a crucial role in maintaining a comfortable and productive cabin environment in Peterbilt Class 5 and 6 vehicles. Its efficient design, built-in bypass valve, and corrosion-resistant finish make it an ideal choice for commercial applications where dependability and longevity are essential.

The Peterbilt 2545783 579 heater core is a crucial component of the heating system in Peterbilt 579 trucks. Replacing a faulty heater core can help restore the cabin's heating functionality, ensuring driver comfort during colder weather. Let's discuss some potential pros and cons of purchasing this heater core.

1. Improved Cabin Comfort: A new heater core can restore the heating system's functionality, providing a more comfortable driving experience during cold weather.

2. Enhanced Engine Performance: A faulty heater core can potentially impact engine performance by causing the coolant temperature to drop significantly. Replacing the heater core can help maintain optimal engine temperature.

3. Reliability: A new heater core can ensure that the heating system functions consistently and reliably, reducing the risk of unexpected heating system failures.

1. Cost: Replacing a heater core can be an expensive repair, with the cost varying depending on the labor charges and the specific heater core model.

2. Installation Complexity: Installing a new heater core can be a complex procedure that requires specialized tools and knowledge. This complexity could potentially lead to increased labor costs and potential installation errors.

3. Availability: Depending on the specific model and availability, it may take some time to obtain a replacement heater core, potentially causing an extended period of discomfort for the driver.

While replacing a Peterbilt 2545783 579 heater core can provide significant benefits, such as improved cabin comfort and enhanced engine performance, the cost and complexity of the repair should be carefully considered. If the heating system is causing significant discomfort or impacting engine performance, the investment in a new heater core may be worthwhile. However, if the heating system is only marginally impacting comfort, it may be worth exploring alternative solutions, such as insulating the cab or using portable heating sources.

Before purchasing a new Peterbilt 2545783 579 heater core, it is recommended to consult with a qualified mechanic or truck repair professional to assess the extent of the heating system issue and explore alternative solutions. This can help ensure that the most cost-effective and efficient repair is pursued to restore the heating system functionality.

Details:

PETERBILT 579 HEATER CORE 3827334. If not, let us know how to earn your 5-star rating.

part #: 2545783 prices

• $119.99-$200.00

specifications aiconditioni:

• for makes: Peterbilt
• for years: 2015
• mpn: 2545783
• part type: Heater

returns aiconditioni:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

seller aiconditioni:

• # reviews: 8347
• city: Athens, GA
• rating: 97.9%

general aiconditioni:

• Commercial Truck Parts > Air Conditioning Heating > Heaters
• condition: Used

offer aiconditioni:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: November 11, 2025
• sold: 0

payments aiconditioni:

• credit card: Visa
• wallet: Google-pay
• other

shipping aiconditioni:

• carrier: UPS
• class: Standard, Expedited, One-day
• cost: $0.00
• type: Fixed
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• transit: 3-6 Days

Peterbilt 2545783 Is Similar To:

• 10-2007 Truck Air Heater Valve Kenworth Peterbilt Kysor (25% similar) A part of my profits goes to help two different charities big brothers and sisters, local hospital giving out stuffed animals coloring books. I am not one to believe in the high shipping...(February 28th, 2019)
• 18-04337 Peterbilt Bunk Heater And Ac Unit In Working Order With (40% similar) Peterbilt bunk heater and ac unit in working order with housing was taken off of a semi that being restored...(October 16th, 2018)
• 2809-550-085 Fasco Peterbilt Kenworth Heater Blower Motor (40.8% similar) Fiasco blower motor. Tested and in good working condition...(October 9th, 2018)
• 29-02188 R-4130-7 Peterbilt Red Dot Unibilt Sleeper Heater Core Box Housing (41.4% similar) Used heater core and A/C evaporator box for peterbilt both conventional cab over with red sleeper units. In good shape with no damage. From a sleeper with red r heater box. Comes only with what is seen...(March 14th, 2019)
• 41015 United Pacific Peterbilt Heater Vent Large Chrome Plastic 710270410156 (39.3% similar) Application: peterbilt ergonomic dash, model's 357, 378, 379, and 385 mount: 2 pins on the side material: chrome plastic size: wide, tall, deep part location: dash style: louvered color: silver quantity for sale: each bulk packaging new...(February 18th, 2019)
• 41019 United Pacific Peterbilt Heater Vent Small Square Chrome 710270410194 (39.7% similar) ...(February 6th, 2019)
• 41020 United Pacific Peterbilt Heater Vent Chrome Plastic Fits 710270410200 (41.4% similar) Application: peterbilt cor cab over engine mount: push in material: chrome plastic size: face of frame long, wide, 1/4 deep not including the insert tabs vent mounting long outside to wide approximate hole size for rear part that is inserted location: dash vents style: molded with color: silver ...(February 9th, 2019)
• 41101 United Pacific Peterbilt Heater Vent Drivers Side Defroster 710270411016 (38.7% similar) It fit model's 357, 378, 379 and 385. This chrome plastic piece replaces the drivers side defroster vent in peterbilt trucks with new dash...(February 18th, 2019)
• 41109 United Pacific Peterbilt Heater Vent Passengers Side Top 710270411092 (39.7% similar) Material: chrome plastic application: peterbilt 2006 and newer location: passengers side style: cross grid mount: remove old vent gently push new into place quantity: each bulk packaging...(February 10th, 2019)
• 4488w Hana Truck Sport Peterbilt Up Heater Vents Wood 805982018438 (43% similar) Material: plastic size: wide, in height , deep not including the louvers and wheel application: 357, 378, 379, 385, 386, 389 peterbilt 2006 newer mount: push on location: dash style: wood grain color: brown, silver quantity: set of 4 bulk packaging new...(February 3rd, 2019)
• 6633359 Eage Cooling Peterbilt Ac Evaporator Core Series Oe (40% similar) Other makes and model's available. Products made to oem spec APOS or better. Over the years our product portfolio has always included radiators, charge air coolers, and condensers for heavy duty trucks on road. In recent years we...(March 10th, 2019)