Spare center threaded adapter

Before ordering, please select the type of adapter for engine block attachment!
Options: 3/4-16UNF, M18 x 1,5, M20 x 1,5, M22 x 1,5.

3/4-16UNF fits for:
Alfa Romeo,
Audi,
BMW (models with screwable filters),
Chrysler (except diesel engines),
DAF,
Daimler Benz,
Fiat (except diesel engines),
Ford (except Probe),
Jeep,
Lada,
Lancia (except diesel engines),
Nissan (except diesel engines),
Opel corsa,
Peugeot 205,
Porsche 924 (engines 2.0 + turbo)
Renault all models until production year 06/84,
Rover,
Saab (except 2.5 V6,3.0 V6),
Seat,
Suzuki,
Toyota (except diesel engines),
VW (except VR6),
Volvo (except 440/480).

M18 x 1,5 fits for:
Citroen (some models)
Deawoo
General Motors (all V6 engines)
Opel (some models)
Saab (motory 2.5 V6, 3.0 V6)

M20 x 1,5 fits for:
Citroen (AX,BX,CX, XM, Visa GTi)
Ford (Probe)
Honda
Hyundai
Isuzu
Jeep Cherokee
Lada (Niva 1.9 Diesel)
Mazda
Mitsubishi
Peugeot (some models)
Porsche (944, 928, 968)
Renaut all models since production year 07/84
Subaru
Volvo (440/480)