Seal A 3G3321

Seal A 3G3321 is a hydraulic cylinder rod seal for Caterpillar heavy equipment. It is used in hydraulic cylinder assemblies installed on Caterpillar wheel-type loaders, earthmoving compactors, excavators, and wheel dozers. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified by SKU 3G3321 and is supplied as a seal. The listed applications include Caterpillar machines from several equipment series and model generations.

Fitment

• Wheel-type loaders: Caterpillar 980G, 980G II, 980H.
• Earthmoving compactors: Caterpillar 825, 825C, 825G, 825G II, 825H, 825K, 826C, 826G, 826G II, 826H, 826K.
• Excavators: Caterpillar 345B II, 345B L, 345C, 345C L.
• Wheel dozers: Caterpillar 824C, 824G, 824G II, 824H, 824K, 824S.

Fitment is specified by the equipment manufacturer, machine model, and model series listed above. The seal is used in the hydraulic cylinder rod sealing assembly of the compatible Caterpillar equipment.

Cross-reference numbers

• 3G3321
• 3G-3321

Part number 3G-3321 is the hyphenated presentation of 3G3321. Both designations identify Seal A listed under SKU 3G3321.

Specifications