Tillman EN-47971 Oil Pressure Gauge Adapter for GM/Chevrolet Generation 4 & 5 V8 Engines Shop By Category > Engine > Spark Plug>Remover OTC Tools OTC 1025 Long

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Tillman EN-47971 Oil Pressure Gauge Adapter for GM/Chevrolet Generation 4 & 5 V8 Engines Shop By Category > Engine > Spark Plug>Remover OTC Tools OTC 1025 LongTillman EN 47971 Oil Pressure Gauge Adapter for GM Chevrolet Generation 4 & 5 V8 This tool is compatible with Generation IV and V V8 engines. For Generation III engines, use GM 42907. The small block V8 engines now require a unique oil filter, and the oil pressure sending unit is not easily accessible. The GM 47971 adapter replaces the spin on oil filter, enabling the attachment of existing oil pressure gauges (GM 21867 or GM 21867 A) for engine oil