2004/08/01 Caterpillar

Engine:

3176B (S/N: 9WK1-UP)

3176C (S/N: 6BW1-UP)

3196 (S/N: 2XR1-5094)

3406E (S/N: 9NN1-UP; 6BR1-UP; 9WR1-3829)

3456 (S/N: 3LW1-UP)

C-12 (S/N: 9HP1-1425)

C18 (S/N: CKH1-778; C1J1-226)

Marine Engine:

C12 (S/N: C1Z1-162)

C32 (S/N: RXB1-UP)

Description of Change: A brass material corrosion-resistant pressure sensor and elbow are now available.

Adaptable To: If corrosion occurs, replace the 169-3725 Pressure Sensor Gp (Boost) with the 218-3840 Pressure Sensor Gp. The 218-3840 Pressure Sensor Gp is adaptable to the above-listed serial numbers.

If corrosion occurs, replace the 3E-2332 Elbow with the 223-1624 Elbow. The 223-1624 Elbow is adaptable to the above-listed serial numbers.

Note: When replacing the 169-3725 Pressure Sensor Gp (Boost) with the 218-3840 Pressure Sensor Gp, the 3E-2332 Elbow should also be replaced with the 223-1624 Elbow.