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Fortpro

Fortpro 3 Pole 100 Amp Intermittent Relay Switch for Heavy Duty and Semi Trucks Replaces 2MR338 | F235428

Fortpro 3 Pole 100 Amp Intermittent Relay Switch for Heavy Duty and Semi Trucks Replaces 2MR338 | F235428

SKU: F235428

Availability: More than 50 in Stock

$12.01 USD
$13.52 USD $12.01 USD
Sale Sold out
Shipping calculated at checkout.

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

  • Solid Built, Hermetically sealed, Small size
  • Direct Replaces a one-step installation
  • Fully tested IN the USA
  • Features heavy-duty contacts and high conductivity brass terminals
  • Fit and Quality Guaranteed
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Check Specification & Cross-references

Fortpro Logo

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 Information5 attributes
Basic Part Information
Product LineElectrical
Category NameSwitches & Flashers
Part TypeRelay Switch
Alternate Part NameGlow Plug Relay, Intermittent Duty Solenoid, Power Relay, Relay Switch w/ Flat Mounting Bracket
OEM Part Number2MR338
Application/Fitment Attributes5 attributes
Application/Fitment Attributes
Application TypeHeavy Duty Trucks, Semi-Trucks
Terminal Connection TypeStud
Terminals Count3
Thread Large Pole Size5/16-18 UNF-2A
Thread Small Pole Size#10/32 UNF-2A
Dimensional/Physical Attributes1 attribute
Dimensional/Physical Attributes
MaterialMetal, Thermoplastic Polymer
Technical/Performance Attributes2 attributes
Technical/Performance Attributes
Current Rating100 A
Operating Voltage12 Volts
Packaging / Logistics Attributes:1 attribute
Packaging / Logistics Attributes:
Net Weight0.70 lb.
Intended Application
Intended Application
  • Compatible with Mack truck electrical systems, 3-terminal relay switch, intermittent type, with external ground, used to switch high-consumption electrical loads at 12V by means of a low amperage control signal.
  • Always compare with your OEM part number prior to purchase to confirm full compatibility.
  • MACK: 2MR338
  • CHRYSLER: 421520, 4216520
  • JOHN DEERE: AM53945
  • MASSEY FERGUSON: 533318M91
  • PRESTOLITE: SAZ4201X 15283 15-283
Dimensions Not Available.