Skip to product information
1 of 1

Fortpro

Fortpro 4-Position Ignition Switch Replacement for 1MR3172P2, 85144959 | F235438

Fortpro 4-Position Ignition Switch Replacement for 1MR3172P2, 85144959 | F235438

SKU: F235438

Availability: More than 50 in Stock

Regular price $18.52 USD
Regular price $21.67 USD Sale price $18.52 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

  • This Replacement Switch is designed and built to ensure same quality and durability of the original part to reestablish appropiate operation to the ignition circuit
  • Advanced computer testing technology to ensure quality and strength
  • Exceeds OEM quality standards
  • Features heavy-duty contacts and high conductivity brass terminals
  • Direct replacement for a one-step installation
View full details
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 Information
Product Line Electrical Category Name Switches & Flashers
Part Type Ignition Switch OEM Part Number 1MR3172P2
Application/Fitment Attributes
Application Type Heavy Duty Trucks, Semi-Trucks Terminal Connection Type Socket
Terminals Count 4
Dimensional/Physical Attributes
Material Metal, Plastic
Technical/Performance Attributes
Operating Voltage 12 Volts Switch Positions II - On/Run, I - Accessory, 0 - Lock/Off, III - Start
Packaging / Logistics Attributes
Net Weight 0.38 lb.
Additional Information
Bill Of Material
  • 1 Ignition Switch
  • 2 Keys
Intended Application
  • Designed for ignition and electrical management systems in heavy-duty trucks and vocational vehicles (class 7 and 8), specifically optimized for the Mack Trucks fleet.
  • Always compare with your OEM part number prior to purchase to confirm full compatibility.
  • Mack: 1MR3172P2, 85144959
Dimensions Not Available.