Usage:
3406B Direct Injection Truck Engines Without Brakesavers
- SUPPLEMENT: 05/00/89
TRUCK ENGINE NEWS; JANUARY, 1988; PAGE 4; "New Engine Oil Coolers Have Rubber End Sheets" on 3406B Truck Engines without Brake-Savers. The new 7W2164 Core Assembly is also adaptable to 3406 Truck Engines (92U). Add this model to the third line under the topic, "Adaptable To".
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Description of Change: New engine oil coolers used on the above engines have rubber end sheets in place of brazed metal end sheets. The rubber end sheet design provides better reliability and serviceability than the previous design.
Adaptable To: The new 7W2164 Cooler Core Assembly is a direct replacement for the former 2W1008 Core Assembly on 3406B (7FB, 4MG, 8TC) Truck Engines. The smaller, 83.1 mm (3.27 ") diameter of the 7W2164 Core Assembly was specifically designed to provide the correct capacity for on-highway trucks with direct injection engines. The new 7W2164 Core Assembly is in effect with 7FB80639.
The new 7C3039 Cooler Core Assembly is a direct replacement for any other previous usage of the 2W1008 Core Assembly. The 7C3039 Core Assembly has a 112.5 mm (4.43 ") diameter is available as an option on 3406B Truck Engines.