A New Exhaust Manifold Is Used on Certain 3524B Engines {1059, 1071} Caterpillar

A New Exhaust Manifold Is Used on Certain 3524B Engines {1059, 1071}

Usage:

3512B NPM

Engine: 3524B (S/N: NPM1-UP)

Description Of Change: The new exhaust manifold uses a coating that provides better resistance against wear in the slip joint.

Adaptable To: The new exhaust manifolds replace the former exhaust manifolds.

The new exhaust manifold is adaptable to the above engines back to first production.

The new and former manifold parts are listed in Table 1.

Show/hide table

Table 1
New Part	Former Part	Qty
469-0182 Bellows As	165-4190 Elbow Coupling	4
469-5331 Exhaust Pipe Support	162-2693 Exhaust Pipe Support	2
469-5332 Exhaust Pipe Support	166-5110 Exhaust Pipe Support	2
469-5333 Elbow Support Sleeve	315-8171 Elbow Support Sleeve	2
469-5334 Elbow Support Sleeve	315-8172 Elbow Support Sleeve	2
469-5335 Elbow Support Sleeve	315-8170 Elbow Support Sleeve	2
486-6818 Exhaust Manifold	115-0553 Exhaust Manifold	6
486-6821 Exhaust Manifold	115-0557 Exhaust Manifold	4
486-6822 Exhaust Manifold	113-8192 Exhaust Manifold	2
486-6823 Exhaust Manifold	435-3912 Exhaust Manifold	2
486-6824 Exhaust Manifold	437-7389 Exhaust Manifold	2

This change is effective on the serial numbers S/N:NPM00492-UP.

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