Engine >> CHILLED IRON CAMSHAFT ON 2.6L M103 ENGINES
Engine >> CHILLED IRON CAMSHAFT ON 2.6L M103 ENGINES
Chilled Iron Camshaft On
1987-91 Mercedes Benz 2.6L M103 Engines
The AERA Technical Committee offers the following
information on a chilled cast iron camshaft for 1987-
91 Mercedes Benz 2.6L M103 engines. Beginning in March
of 1989, these engines received a chilled cast iron
camshaft and rocker arms with carbide inserts. This
change was done as a product improvement and
intermixing previous and revised components is not
recommended.
To identify engines with the revised components, the
manufacturer has stamped an S into the exhaust side
of the cylinder head as shown below. Updating previous
cylinder heads with the revised components is advised,
and those heads should also be stamped to reflect the
revised components. Below is a list of parts required
to incorporate this change.
Component Part Number
Camshaft 1030506401 (Code #53)
Rocker Arm 1030501033
Ignition Dist.
Rotor Bracket 1031580840
Optional 1031580740
Torx Head Screw 1039900122
Camshaft Gear 1030520601
Cam Gear Mounting Bolts 1039900022
AERA is currently unaware of an aftermarket source for
these components and they are available only from the
manufacturer.
The AERA Technical Committee
February 1998 - TB 1545
##END##
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