631-130086 Mack Alternator Relay | Nartron 1300-8-6 (1301) | New Genuine OEM 24V Part Number: 3892R1734 (also 3892-R-1734)

Part Number: 3892R1734 (also 3892-R-1734)

Spline Length – Wheel End: 2

tooth/spline count

Timken Cone: HM813840

Function: Helps prevent backflow and maintain compressor system pressure

631-130086 Mack Alternator Relay | Nartron 1300-8-6 (1301) | New Genuine OEM 24V Part Number: 3892R1734 (also 3892-R-1734)631 130086 Nartron Alternator Relay Switch Mack 1300 8 6 1301 New Genuine (NOS) New genuine Nartron alternator relay switch, part number 631 130086, also referenced as 1300 8 6 and 1301. OEM electrical relay designed to manage alternator field control and support proper charging circuit operation in compatible Mack truck electrical systems. Commonly used in select Mack truck charging and electrical system applications. New old stock (NOS) unused and