Nut | Mack Engines

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Description

OE Replacements: BNU-0191, PAI0191, 21AX639, 21AX639, 21AX694, 20704742

Details: Nut, 3/4-16 Thread x 1-1/16 in. Flats x 13/32 in. Height, Locking

Mack Engine Application

Direct replacement for OE part 21AX639

Durable steel construction

Quality You Can Trust – PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards

DETAIL – HDKits hardware and fasteners are carefullly designed and feature very low tolerances. Fastener specifications are measured in a 3D environment and tested to ensure the 100% functionality.

Additional information

Weight	0.25 lbs
Color/Finish	Gray
Gasket or Seal Included	Yes
Gear Tooth Count
Gear Tooth Count (2)
Installation Hardware Included	No
Material
O-Ring(s) Included	Yes
Pressure (PSI)
Product Dimensions (LxWxH)
Tooth Count (inner)
Tooth Count (outer)
Total Ports
Warranty	2 Years