I used the metal one that came with my pump (the one with the oil dam. Incidently, the instructions indicate that the protective cage is to be removed prior to installation (it appears to be an upgrade).

This was about 50kmi ago, and everything seems to be ok?

Thanks.

__________________
Jovan

'84 (11/83) 190D 2.2 5-Speed; Silver/Blue; Motor No. 00354, 402k mi (340+kmi mine)

'89 Porsche 911 Turbo Coupe; Black/Black; 53kmi
'05 BMW 530i 6-Speed; 302kmi
'19 Range Rover; 30kmi