EN-47971 Oil Pressure Adapter:
Works on Generation IV, V, V8 engines for GM/General Motors
Fits for GM, Chevy Camaro, Malibu, ATS, 2006-later Corvette, XLR-V, STS-V, Gen IV, V, V8, LGE Engines.
7219 Oil Pressure Adapter:
Works on Generation III & V8 engines for GM/General Motors
Fits for GM 4.8L, 5.3L, 5.7L, 6.0L engines 1996-2006.
Features:
1. Convenient for checking oil pressure of engines
2. Installed in place of the spin-on oil filter, allows for engine oil pressure to be measured
3. Providing ports to attach oil pressure tester
4. Dual port for bottom or side tester connection
Attention:
The oiling system on the small-block V8 engines now requires the use of a unique oil filter, and the oil pressure sending unit is not readily accessible.
For 7219 oil pressure adapter, the 11/16" (17mm) hex drive socket is required for installation.