79PSL3-4 Peterbilt High Pressure A/C Fan Override Switch American-Owned Brand

***Same day shipping if ordered by 3PM EST***

Atlas Performance has established themselves as a leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards

  • Premium Quality Heavy Duty Part. Choose the quality of a name brand like Atlas Performance. Your truck deserves it.
  • Atlas Performance parts are quality products to make certain that your equipment is operating at an optimal level.
  • Atlas Performance heavy duty parts are designed to work in unison with the rest of your components to ensure maximum potential of your equipment.
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This is a genuine Atlas Performance part, not a knockoff.

  • Peterbilt® OE Quality. Designed to match the fit and performance of the original parts. This all new part is manufactured to meet or exceed the specifications of the original part and is thoroughly tested to ensure proper operation.
  • Made with Heavy-Duty Materials
  • Designed for long life and accurate operation
  • "Plug-and-Play" Installation with Existing Components
  • OE quality replacement for part number 79PSL3-4/P27-1051 to restore original performance.
  • Meets and/or exceeds OEM Specs. 
  • Type --  NC, High Pressure
  • Color: Orange, Silver
  • Connector Gender: Female
  • Maximum Pressure Rating: 320 PSI
  • Mount Type: Screw On
  • Terminal Quantity: 2
  • Terminal Type: Blade
  • Thread Diameter: M10-1.25
  • Compatible Models: Various Peterbilt and Kenworth trucks
  • Industry Part number cross reference: 1310, 850-8423, 912-1109, 29-30619, 79PSL3-4, F27-1051, P27-1051, PTAC1310, 11-1409, T4175

Barry_the_mechanic_guy Barry the Mechanic Guy says:

"Let me tell you something, my fine fellow, the difference between using quality replacement parts in a truck, and using those cheap, shoddy parts, is the difference between night and day.

When you use quality parts, you can rest easy knowing that your vehicle will run like a well-oiled machine. The engine will purr like a kitten and the gears will shift like butter. Your vehicle will be reliable, efficient and safe to drive.
But when you use cheap parts, you're asking for trouble. Those parts will wear out quicker than a hound dog on a hot summer day, and before you know it, you'll be stranded on the side of the road with a vehicle that won't start. And then you'll be cursing the day you decided to save a few bucks on replacement parts.
So, my advice to you is this: invest in quality replacement parts like Atlas Performance for your vehicle. It may cost a bit more in the short term, but in the long run, it will save you time, money and headaches. And isn't that worth a little extra coin?
So remember folks, cheap parts may seem like a good idea at the time, but they'll end up costing you more in the long run. Stick with quality, and your vehicle will thank you for it."

Shipping Terms

Free Shipping option applies to lower 48 contiguous United States only.

*** We ship USPS or UPS. We decide which method to use for your shipment. Most items are shipped within the same day if ordered by 3:00PM EST or the next business day if ordered after 3:00PM EST. ***
Terms of Sale

*** Please verify that this part number will work for your application before purchasing. If you have any doubt, please contact your local OEM dealership for the correct part number. All efforts have been made to ensure that the information contained herein is correct, but it is ultimately buyer’s responsibility to verify that to be purchased part suits customer’s intended application.***

This item is guaranteed to be in the condition as stated in the listing. If the item is found not to be in the condition as stated we will accept a return for exchange of the same item (or refund if same item is not available). We will not accept returns in cases when the condition of the item and/or retail packaging has been compromised, changed, modified or altered. If the item was damaged in shipping, we ask that you contact us by e-mail (message system) within 3 days of receiving the item so we can submit a claim with the shipping company. Also hang on to all of the original packing material as well as the box so the shipping company can pick it up. Returns require our approval and return authorization number (RMA) and must be returned to us before we can issue your refund. Please note: we record serial numbers to discourage fraud. Items returned without a return authorization (RMA) from us will not be accepted. The buyer is responsible for return shipping and is required to complete a "Mutual Agreement to Cancel the Transaction Form" through.

We do not offer any warranties on the product either expressed or implied, other than the product be in working condition at the time of receipt. Any warranties would be the sole discretion of the manufacturer.

***Please consult a dealer, manufacturer, or other source for further information on this product.***