4W0506 Indicator for Caterpillar

The 4W0506 is a steel pressure indicator for Caterpillar engines and generator sets. It is used on Caterpillar equipment in the 3406B, 3406C, 3408, 3408B, 3408C, 3412 and 3412C model series. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The indicator has a non-ventilated design and is pressure-tested. Its mounting arrangement uses standard inch dimensions and a 10-32 thread. The supplied component specification identifies the part as a pressure indicator with a working range from 0 to 600 kPa.

Fitment

• Caterpillar engine applications
• Caterpillar generator set applications
• Caterpillar 3406B
• Caterpillar 3406C
• Caterpillar 3408
• Caterpillar 3408B
• Caterpillar 3408C
• Caterpillar 3412
• Caterpillar 3412C

The listed Caterpillar model series include both engine and generator set applications. Compatibility should be checked against the equipment model and the installed indicator specification before replacement.

Cross-reference numbers

• 4W-0506
• 4W0506

The numbers 4W0506 and 4W-0506 identify the same indicator format, with and without the hyphen. The equipment manufacturer reference shown for this part is 4W-0506.

Specifications

The dimensional data provided for the indicator includes an outside diameter of 3.1 inches and an overall depth of 2.3 inches. The metric package dimensions are listed as 7 cm in length, 7 cm in width and 9 cm in depth. The stated component weight is 0.9 lb.