Thermostat housing

[Maocevallos]

Some of you guys have changed Thermostat housing and cover housing?
The original part for my e3 3.0si 1971 its discontinued.
Can i use this one that replaced the old one? . It looks exactly the same but has 4 additional holes.

I let you Some pictures of original part and housing that i found at ebay
http://www.ebay.com/itm/BMW-OEM-Engine-Coolant-Thermostat-Housing-11531710959-/111514946037

 

[sfdon]

11531710959 Is listed for your car

Order the plugs you will need

$48 new

Item # 15

http://www.realoem.com/bmw/enUS/showparts?id=4560-EUR-12-1971-E3-BMW-30Si&diagId=11_2542




Thermostat Housing $49.12 $48.11
Quantity:


Part Number: 11531710959
Notes:
Also use- (Qty.) (1) 11 53 1 713 040 80 Thermostat, (1) 11 53 1 265 084 O-Ring.
Quantity needed: 1
Manufacturer: GENUINE BMW


http://www.rmeuropean.com/Make/PartNumberSearch.aspx?pnsearch=11531710959