3D8422 O-Ring for Caterpillar Equipment

The 3D8422 is an O-ring used as an axial or radial seal in Caterpillar equipment to help prevent leakage and contamination at the sealed connection. It is used on Caterpillar earthmoving compactors and Caterpillar engine-machine applications, including the equipment models listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The sealing ring is identified by SKU 3D8422 and is also written as 3D-8422. Its dimensions, material, hardness, and other parameters are provided below for part identification and application matching.

Fitment

• Equipment brand: Caterpillar
• Equipment type: Earthmoving compactor
• Equipment type: Engine-machine
• Compatible model: Caterpillar 826C
• Compatible model: Caterpillar 3176C
• Compatible model: Caterpillar 3196
• Compatible model: Caterpillar 3306
• Compatible model: Caterpillar 3406
• Compatible model: Caterpillar 3406B
• Compatible model: Caterpillar 3406C
• Compatible model: Caterpillar 3406E
• Compatible model: Caterpillar 3408
• Compatible model: Caterpillar 3408C

Cross-reference numbers

• 3D-8422 — part number format corresponding to SKU 3D8422

Specifications

Before installation, compare the O-ring identification, cross-section, inner diameter, outside diameter, material, and hardness with the requirements of the Caterpillar assembly. The listed model applications include Caterpillar 826C, 3176C, 3196, 3306, 3406, 3406B, 3406C, 3406E, 3408, and 3408C equipment.