DIN 3761 STYLE B
Pioneer Weston R4 features an elastomeric seal geometry backed by nearly a century of continuous improvement
Ground OD
Metal OD for precision fitment
Poly-Sealant Paint1
for rough* housing bores
PWHydro Aid1
Hydrodynamic aid to improve fluid transfer at high speeds*
Stainless Steel Components1
Improve corrosion Resistance
1 Configurable Option
* Contact Pioneer Weston for advice
