Parts for Updating Early 3406E Aftercooler Cores{1063} Caterpillar

Parts for Updating Early 3406E Aftercooler Cores{1063}

Usage:

Marine Engine:: 3406E MARINE (S/N: 9WR1-UP)

Introduction

A new aftercooler core is available for 3406E, C15, and C18 marine engines. The part number of the core is 315-0047 Aftercooler Core As . This part number is the latest update in a series of updates to the core.

Upgrading the core on most engines involves switching the aftercooler core only. Early 3406E serial numbers with the 118-8629 Core will need new parts in order to perform an upgrade to the latest core.

Required Parts

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Table 1
Qty	New P/N	Description	Old P/N	Reason
1	315-0047	Aftercooler Core As	118-8629	Latest Core
1	251-9228	Aftercooler Cover	123-0416	The new cover accommodates different cores and adapters.
2	144-3288	Adapter	123-8183	New adapters prevent raw water from leaking into the engine.
2	3P-0654	O-Ring Seal	3P-0657	The O-ring creates a seal between the adapter and the aftercooler cover.
2	3P-0657	O-Ring Seal	6V-5656	The O-ring creates a seal between the adapter and the aftercooler core.
2	201-4233	Gasket	123-5205	The gasket seals the aftercooler housing.

Recommended Parts

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Table 2
Qty	New P/N	Description	Old P/N	Reason
2	0L-1352	Bolt	0S-1619	The new bolt creates deeper thread engagement between the head and the aftercooler base.
4	3H-5844	Bolt	3B-1915	The new bolt is now made of stainless steel. The previous bolt was coated with zinc.
4	110-8314	Hard Washer	5M-2894	The new washer is now stainless steel. The previous washer was coated with zinc.
1	218-3840	Pressure Sensor Gp	111-2350	The boost sensor has a brass pressure port instead of a steel pressure port.

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Illustration 1	g01683373
New Parts (1) Pressure Sensor (2) Bolt (3) Cover (4) O-ring (5) Bolt (6) Washer (7) Adapter (8) Gasket (9) Core (10) O-Ring

Note: Refer to Disassembly and Assembly, SENR1169 for the removal and the installation procedure for the aftercooler.. When the aftercooler is updated, also ensure that the correct condensate drain lines are installed on the aftercooler housing. Use the 134-3458 Aftercooler Drain Lines Gp when the rear of the engine is lower than the front of the engine. Use the 134-3459 Aftercooler Drain Lines Gp when the front of the engine is lower than the rear of the engine.

Note: It is not necessary to replace the aftercooler base with the latest part number. If the aftercooler base is updated, then the aftercooler condensate drain group must also be updated. The latest part number of the drain group is 224-2382 Aftercooler Drain Lines Gp .

Serial number effectivity is (S/N: 9WR1-916).