PAI EM44930 Rectangular Bell Air Horn – Mack Trucks (26", Chrome, Hadley Style) Meritor Replacement nut Navistar 440034 is

Replacement nut Navistar 440034 is recommended at install

Manufacturer National (Timken) Part Number 370001A Part Type Oil-bath wheel seal

Western Star 4900-series

Cat C18 industrial / marine (2008–present)

PAI EM44930 Rectangular Bell Air Horn – Mack Trucks (26", Chrome, Hadley Style) Meritor Replacement nut Navistar 440034 isThe PAI EM44930 is a 26" chrome plated rectangular bell air horn for Mack heavy duty tractors, replacing Mack 38MR4162 and Hadley H00978. Direct OE style fit to Mack Pinnacle, Granite, Anthem, CH, Vision, and RD platforms running the Hadley rectangular bell air horn; 7 16" 24 straight female air port mates to standard truck horn solenoid plumbing. Sold under PAIs Excel brand. Signs You Need a New Air Horn Weak, fading, or no sound when activated