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CAT Type 4 Piston Seal

CAT Type 4 Piston Seal
CAT Type 4 Piston Seals are replacement seals for Caterpillar applications that are Brass Filled TFE seals with a nitrile expander and nylon backup rings. These seals have the advantage of low friction and high extrusion resistance.


PS 8J3749 - 7'' x 6-1/16'' x 5/8'' - 4 Piece Piston Seal

PS 8J3749 - 7'' x 6-1/16'' x 5/8'' - 4 Piece Piston Seal

7'' x 6-1/16'' x 5/8'' - 4 Piece Piston Seal 7'' Outside Diameter 6-1/16'' Inside Diameter 5/8'' Height Material: PTFE Seal with Buna N Expander and...
$142.40 Buy Now 
PS 8J5644 - 7-3/4'' x 6-13/16'' x 5/8'' - 4 Piece Piston Seal

PS 8J5644 - 7-3/4'' x 6-13/16'' x 5/8'' - 4 Piece Piston Seal

7-3/4'' x 6-13/16'' x 5/8'' - 4 Piece Piston Seal 7-3/4'' Outside Diameter 6-13/16'' Inside Diameter 5/8'' Height Material: PTFE Seal with Buna N...
$155.31 Buy Now 
PS 8J8703 - 6-1/2'' x 5.5925'' x 5/8'' - 4 Piece Piston Seal

PS 8J8703 - 6-1/2'' x 5.5925'' x 5/8'' - 4 Piece Piston Seal

6-1/2'' x 5.5925'' x 5/8'' - 4 Piece Piston Seal 6-1/2'' Outside Diameter 5.5925'' Inside Diameter 5/8'' Height Material: PTFE Seal with Buna N...
$216.85 Buy Now 

PS 8J8767 - 5-1/2'' x 4-11/16'' x 5/8'' - 4 Piece Piston Seal

PS 8J8767 - 5-1/2'' x 4-11/16'' x 5/8'' - 4 Piece Piston Seal

5-1/2'' x 4-11/16'' x 5/8'' - 4 Piece Piston Seal 5-1/2'' Outside Diameter 4-11/16'' Inside Diameter 5/8'' Height Material: PTFE Seal with Buna N...
$117.28 Buy Now 
PS 9J1242 - 6'' x 5-1/16'' x 5/8'' - 4 Piece Piston Seal

PS 9J1242 - 6'' x 5-1/16'' x 5/8'' - 4 Piece Piston Seal

6'' x 5-1/16'' x 5/8'' - 4 Piece Piston Seal 6'' Outside Diameter 5-1/16'' Inside Diameter 5/8'' Height Material: PTFE Seal with Buna N Expander and...
$122.53 Buy Now 
PS 9J7868 - 5'' x 4-1/4'' x 5/8'' - 4 Piece Piston Seal

PS 9J7868 - 5'' x 4-1/4'' x 5/8'' - 4 Piece Piston Seal

5'' x 4-1/4'' x 5/8'' - 4 Piece Piston Seal 5'' Outside Diameter 4-1/4'' Inside Diameter 5/8'' Height Material: PTFE Seal with Buna N Expander and...
$104.52 Buy Now 


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