1F3131 Gasket for Caterpillar Equipment

1F3131 is a flat, two-hole flange gasket for Caterpillar equipment, engines, and machine systems. The gasket is made from non-metallic fiber and rubber and is identified by the Caterpillar part number 1F-3131. This is a new aftermarket gasket manufactured by CTP (Costex Tractor Parts).

Fitment

The gasket is listed for the following Caterpillar machine and engine models:

• Tracked bulldozers:
  • D9E
  • D9G
  • D9H
• Engine and generator kits:
  • D379B
  • D398B
  • D399
• Truck engines:
  • 1673
• Industrial engines:
  • D353C
  • D353D
  • D353E
  • D379
  • D379B
  • D398
  • D398B
  • D399
  • G353D
  • G379
  • G379A
  • G398
  • G399
• Ship equipment:
  • D330A
  • D333A
  • D337
  • D348
  • D353C
  • D353D
  • D353E
  • D364
  • D375D
  • D379A
  • D379B
  • D397D
  • D398A
  • D398B
  • D399
• Pipe layers:
  • 594
  • 594H
• Track loaders:
  • 955C
  • 955H
  • 977H

Cross-reference numbers

• 1F-3131 — Caterpillar equipment part number
• 1F3131 — CTP SKU and number format without the separator

Specifications

• Part type: Beaded gasket
• Flange configuration: Two-hole flange
• Gasket profile: Flat
• Material: Non-metallic fiber and rubber
• Inner diameter: 1.00 in
• Outside diameter: 1.44 in
• Thickness: 0.03 in
• Hole size: 0.41 in, 2 holes
• Flange hole spacing: 2.19 in
• Weight: 0.01 lb
• Length: 7.5 cm
• Width: 3.6 cm
• Depth: 0.08 cm