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Fortpro

Fortpro LP-3 Low Pressure Switch Replacement for Mack 1MR2339R (Normally Closed 70 psi) | F235517

Fortpro LP-3 Low Pressure Switch Replacement for Mack 1MR2339R (Normally Closed 70 psi) | F235517

SKU: F235517

Availability: More than 50 in Stock

$8.78 USD
$0.00 USD $8.78 USD
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Compatibility & Purchase Guidelines

  • Verify OEM Compatibility: Always match your OEM part number with our cross-reference list before purchasing to ensure proper fitment.
  • Avoid Returns: Do not rely solely on visual similarity. Parts may look identical but differ in specifications. Confirm compatibility using part numbers.
  • Truck Brand Reference Disclaimer: Mentioned truck brands are provided for general reference only and do not guarantee universal compatibility across all models.

Shipping Policy

In order to send your purchase, our company may use different freight companies like USPS, UPS and some 3erd Carrier Services for Oversize orders, this will not affect the final price of your order. We will send you all the information in due time. 

For Free Shipping and Freight/Oversize Shipments they are some special term you may check at our Terms & Conditions page.

 

Return Policy

If for any reason you need to return a purchased item, we have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must met the conditions stablished in our Terms & Conditions.

To start a return, you can contact us at admin@maxitrucks.com. 

Key Features & Benefits

  • Designed and built to guarantee an electrical signal if air pressure falls under the safe minimum in the air brake system
  • Advanced testing technology to ensure quality and strength
  • Features heavy-duty contacts and high conductivity brass terminal
  • Direct Replaces a one step installation
  • Features rugged heatproof molded insulators
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Check Specification & Cross-references

Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.

Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.

Basic Part Information
Product Line Electrical Category Name Switches & Flashers
Part Type Low Pressure Switch Alternate Part Name Low Air Pressure Switch, LP-3 Pressure Indicator, LP-3 Low Pressure Switch
OEM Part Number 1MR2339R
Application/Fitment Attributes
Application Type Semi-Trucks, Heavy Duty Trucks Supply Port Size 1/4-18 NPTF
Terminal 1 Connector #8-32 UNC-3B Terminal Configuration Single
Thread Gender Male Thread
Dimensional/Physical Attributes
Material Die Cast, Plastic Polymer Overall Length 2.15 in.
Technical/Performance Attributes
Closing Pressure 70 ± 6 psi Current Rating 10:00 AM
Maximum Operating Temperature 185 Deg. F (85 Deg. C) Minimum Operating Temperature -40 Deg. F (-40 Deg. C)
Operating Voltage 12 Volts
Packaging / Logistics Attributes:
Net Weight 0.16 lb.
Additional Information
Intended Application
  • Designed for integration into the air brake system of heavy-duty commercial vehicles. Its primary function is to act as an electro-pneumatic switch that automatically activates an audible (buzzer) and/or visual (warning light) alarm on the dashboard when the air pressure drops below the minimum safe level for normal operation (nominally 60-75 PSI).
  • Always compare with your OEM part number prior to purchase to confirm full compatibility.
  • Mack: 1MR2339R
Dimensions Not Available.