New Exhaust Risers Are Now Used on Certain C32 Marine Engines {1059, 1362} Caterpillar

Marine Engine

C32 MARINE (S/N: RSD1-UP; RPM1-UP; SDN1-UP)

C32 MARINE GS (S/N: DSJ1-UP; RTK1-UP)

SEBD9966, New Exhaust Risers Are Now Used on Certain C32 Marine Engines, 31, October 2014Disregard this previous article. The article that follows has updated information.

Description Of Change: Improved risers are used on both the left side and the right side of the engine. The new risers utilize an improved flange that is clamped with three bolts.

Note: The new risers require the use of new exhaust manifolds.

Adaptable To: The new risers are adaptable back to first production on the serial numbers listed above.

Illustration 1	g03734037
(1) New riser flange that is clamped with three bolts.

Refer to Table 1 for the new and former part numbers.

Table 1

New Riser Part Number	Former Riser Part Number	New Manifold Part Number	Former Manifold Part Number	Associated Prefix
435-4015	363-6040	441-0721	356-5929	S/N:RTK, RSD, SDN, DSJ
435-4017	363-6041	441-0722	356-5930	S/N:RTK, RSD, SDN, DSJ
435-4015	363-6040	442-0685	362-6055	S/N:RTK, RPM
435-4017	363-6041	442-0682	362-6056	S/N:RTK, RPM

This change is effective for the serial numbers listed in Table 2.

Table 2

Effective Serial Numbers

S/N:DSJ129-UP

S/N:RPM279-UP

S/N:RSD348-UP

S/N:RTK184-UP

S/N:SDN721-UP