PetroClear Adapters are made to fit with today’s most popular spin-on filters. They are designed to allow the filter to do its job more easily. Various in-line thread connections and stud mount options allow for different flow rates and system-specific connections.

Part Number Inlet/Outlets Threads Filter Mounting Stud Threads Flow Material
.75B1-12 3/4" BSP 1-12 UNF 3/4" Aluminum
.75N1-12 3/4" NPT 1-12 UNF 3/4" Cast Iron
.75N1-12A 3/4" NPT 1-12 UNF 3/4" Aluminum
.75N1.5-16AD 3/4" NPT 1.5-16 UNF 1" Aluminum (Fits AD filters only with a 3.70” diameter)
.75B1.5-16ADA 3/4" BSP 1.5-16 UNF 1" Aluminum (Fits AD filters only with a 3.70” diameter)
1.0N1.5-16AD 1” NPT 1.5-16 UNF 1” Aluminum (Fits AD filters only with a 3.70” diameter; will not fit 5” diameter filters)
1.00B1-12 1" BSP 1-12 UNF 3/4" Aluminum
1.00N1-12 1" NPT 1-12 UNF 3/4" Cast Iron
1.00N1-12A 1" NPT 1-12 UNF 3/4" Aluminum
1.00N1.5-16 1" NPT 1.5-16 UNF 1" Aluminum
1.0B1.5-16ADA 1" BSD 1.5-16 UNF 1" Aluminum (Fits AD filters only with a 3.70” diameter; will not fit 5” diameter filters)
1.50N1.5-16 1-1/2" NPT 1.5-16 UNF 1" Aluminum
1.00B1.5-16 1" BSP 1.5-16 UNF 1" Aluminum
1.0B1.5-16ADA 1" BSD 1.5-16 UNF 1" Aluminum (Fits AD filters only with a 3.70” diameter; will not fit 5” diameter filters)
1.00N1 3/8-12 1” NPT 1.375-12 UNF 1” Cast Iron
D2.0B1.5-16 2” NPT (Bolt Flange) 1.5-16 UNF 1" Aluminum
D2.0N1.5-16 2” BSD 1.5-16 UNF 1" Aluminum

PetroClear Aluminum Heads are epoxy impregnated.

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