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1991 300E - Which spark plug is right???
This is for the 91 300E W124:
In there right now (changed about 5 years ago): Bosch 7578 HR9DC
Pelican parts says to order: Bosch HK-9-DC 7978
O'Reilly's just sold me: Bosch 9659 HR9 B1133V
Owner's manual says: Bosch H9 DCO
Beru 14 K-9 DUO
Champion S 12 YCC
Gap = .8mm (0.032 in)
I'm assuming I have a 3.0L because of the 030 after the 124.
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1991 300E 124.030 103.983KE 722358 03 412178
207K
1979 240D 123.123 250K (Project car)
2000 Ford Ranger, 187K
2015 Dodge Ram 1500 EcoDiesel 37K
Last edited by mbzr4ever; 03-08-2014 at 06:21 PM.
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