25167901 Mack Pressure Switch | 1MR3319AP2, Honeywell 79211-6 | New Genuine OEM

25167901 | Mack / Honeywell Pressure Switch | 1MR3319AP2, 79211-6 N/C | New Genuine (NOS)

New genuine Mack / Honeywell pressure switch, part number 25167901, also referenced as 1MR3319AP2, Honeywell 79211-6 N/C, and PAI FSW-0527. OEM normally closed pressure switch designed to monitor air, fluid, or hydraulic pressure conditions in compatible heavy-duty truck systems with rugged construction for demanding operating environments. Commonly used in Mack truck air, fluid, or hydraulic pressure monitoring applications. New old stock (NOS) – unused and in excellent condition. In stock and ready to ship from Discount Parts Exchange (DPX), Mansfield, Ohio.

Call for pricing & availability: 419-522-3320.

Specs & Features

• Part Number: 25167901
• Manufacturer: Honeywell / Mack
• Type: Pressure Switch
• Alternate Part Numbers: 1MR3319AP2, Honeywell 79211-6 N/C, PAI FSW-0527
• Function: Normally Closed (N/C) pressure switch
• Condition: New Genuine (NOS)
• Application: Air, fluid, or hydraulic pressure monitoring systems in select Mack trucks

What’s Included

• (1) Mack / Honeywell Pressure Switch – 25167901 / 1MR3319AP2
• OEM normally closed pressure switch as supplied
• No hardware included unless noted

Fitment Notes

• Fits select Mack truck platforms requiring a normally closed pressure switch
• Confirm function type, pressure rating, connector style, thread size, and part number compatibility before ordering
• Verify all specifications before installation

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Shipping / Location

• Ships from Mansfield, Ohio warehouse (419-522-3320)
• Warehouse Bin Location: DPX_OH_BR549_MACK

Ohio’s Premier Heavy-Duty Drivetrain Rebuilder — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX).