4W3251 Seal A — Mechanical Seal for Water Pumps

4W3251 Seal A is a mechanical seal for water pumps used in Caterpillar gas engines, generator set engines, industrial engines, locomotive engines, marine auxiliary engines, and marine engines. The compatible equipment includes Caterpillar engine models and machine series listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 4W3251 and is listed for use with Caterpillar power units in the 3500 engine family. The fitment information covers gas engine, generator set, industrial, locomotive, marine auxiliary, and marine engine applications.

Fitment

• Caterpillar gas engine G3508
• Caterpillar gas engine G3512
• Caterpillar gas engine G3516
• Caterpillar gen set engine 3508
• Caterpillar gen set engine 3508B
• Caterpillar gen set engine 3512
• Caterpillar gen set engine 3512B
• Caterpillar gen set engine 3516
• Caterpillar gen set engine 3516B
• Caterpillar generator set 3508B
• Caterpillar generator set 3512B
• Caterpillar generator set 3516B
• Caterpillar industrial engine 3508
• Caterpillar industrial engine 3512
• Caterpillar industrial engine 3516
• Caterpillar locomotive engine 3508
• Caterpillar locomotive engine 3508B
• Caterpillar locomotive engine 3512
• Caterpillar locomotive engine 3512B
• Caterpillar marine auxiliary engine 3508B
• Caterpillar marine auxiliary engine 3512
• Caterpillar marine auxiliary engine 3512B
• Caterpillar marine auxiliary engine 3516B
• Caterpillar marine engine 3508
• Caterpillar marine engine 3508B
• Caterpillar marine engine 3512
• Caterpillar marine engine 3512B
• Caterpillar marine engine 3516
• Caterpillar marine engine 3516B

Specifications