1P3707 Mechanical Seal for Water Pumps fit Caterpillar
1P3707 Mechanical Seal for Water Pumps fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
1P3707 Mechanical Seal for Water Pumps
The 1P3707 is a rectangular mechanical seal for water pumps used in Caterpillar articulated dump trucks and earthmoving compactors. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The seal is made from NBR (nitrile) and is designed for sealing applications where protection against leakage and contamination is required. The supplied part number is identified in both 1P3707 and 1P-3707 formats.
Fitment
This mechanical seal is used on the following Caterpillar equipment models:
- Caterpillar 725 articulated dump truck
- Caterpillar 730 articulated dump truck
- Caterpillar 735 articulated dump truck
- Caterpillar 740 articulated dump truck
- Caterpillar D250E articulated dump truck
- Caterpillar D250E II articulated dump truck
- Caterpillar D300E articulated dump truck
- Caterpillar D300E II articulated dump truck
- Caterpillar 816F earthmoving compactor
Fitment should be confirmed against the equipment model and the installed water-pump seal dimensions before replacement. The listed application covers Caterpillar articulated dump truck and earthmoving compactor equipment identified for part number 1P3707.
Cross-reference numbers
| CTP SKU | 1P3707 |
| Caterpillar part number format | 1P-3707 |
1P3707 and 1P-3707 refer to the same seal identification with different formatting of the part number.
Specifications
| Part type | Mechanical seal for water pumps |
| Seal shape | Rectangular |
| Equipment brand | Caterpillar |
| Material | NBR (nitrile) |
| Inner diameter | 2.13 in |
| Cross-section width | 0.19 in |
| Cross-section height | 0.13 in |
| Weight | 0.1 lb |
| Length | 15.24 cm |
| Width | 12.7 cm |
| Depth | 2.54 cm |
| Part number | 1P3707 / 1P-3707 |






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