CAT Type 1 Piston Seal![]() CAT Type 1 Piston Seals are replacement seals for Caterpillar applications that are Glass Filled PTFE Piston seals with a nitrile expander. PTFE seals provide low friction, high strength piston sealing.
![]() PS 5J4986 - 4-1/2'' x 3.835'' x .252'' - 2 Piece Piston Seal4-1/2'' x 3.835'' x .252'' - 2 Piece Piston Seal 4-1/2'' Outside Diameter 3.835'' Inside Diameter .252'' Height Material: PTFE with Buna N Expander... $24.07![]() PS 5J4987 - 4-3/4'' x 4.085'' x .252'' - 2 Piece Piston Seal4-3/4'' x 4.085'' x .252'' - 2 Piece Piston Seal 4-3/4'' Outside Diameter 4.085'' Inside Diameter .252'' Height Material: PTFE with Buna N Expander... $27.40![]() PS 5J4988 - 5-1/2'' x 4.725'' x .379'' - 2 Piece Piston Seal5-1/2'' x 4.725'' x .379'' - 2 Piece Piston Seal 5-1/2'' Outside Diameter 4.725'' Inside Diameter .379'' Height Material: PTFE with Buna N Expander... $25.31![]() PS 5J4989 - 6'' x 5.095'' x .379'' - 2 Piece Piston Seal6'' x 5.095'' x .379'' - 2 Piece Piston Seal 6'' Outside Diameter 5.095'' Inside Diameter .379'' Height Material: PTFE with Buna N Expander Alternate... $74.03![]() PS 5J4991 - 6-1/2'' x 5.595'' x .379'' - 2 Piece Piston Seal6-1/2'' x 5.595'' x .379'' - 2 Piece Piston Seal 6-1/2'' Outside Diameter 5.595'' Inside Diameter .379'' Height Material: PTFE with Buna N Expander... $39.74![]() PS 5J4993 - 7-1/4'' x 6.345'' x .379'' - 2 Piece Piston Seal7-1/4'' x 6.345'' x .379'' - 2 Piece Piston Seal 7-1/4'' Outside Diameter 6.345'' Inside Diameter .379'' Height Material: PTFE with Buna N Expander... $49.88![]() PS 5J4997 - 7'' x 6.095'' x .379'' - 2 Piece Piston Seal7'' x 6.095'' x .379'' - 2 Piece Piston Seal 7'' Outside Diameter 6.095'' Inside Diameter .379'' Height Material: PTFE with Buna N Expander Alternate... $41.54![]() PS 5J5020 - 5'' x 4.225'' x .379'' - 2 Piece Piston Seal5'' x 4.225'' x .379'' - 2 Piece Piston Seal 5'' Outside Diameter 4.225'' Inside Diameter .379'' Height Material: PTFE with Buna N Expander Alternate... $34.25![]() PS 5J5402 - 4'' x 3.335'' x .252'' - 2 Piece Piston Seal4'' x 3.335'' x .252'' - 2 Piece Piston Seal 4'' Outside Diameter 4.335'' Inside Diameter .252'' Height Material: PTFE with Buna N Expander Alternate... $19.43![]() PS 5J7010 - 2-3/4'' x 2.375'' x .192'' - 2 Piece Piston Seal2-3/4'' x 2.375'' x .192'' - 2 Piece Piston Seal 2-3/4'' Outside Diameter 2.375'' Inside Diameter .192'' Height Material: PTFE with Buna N Expander... $14.61![]() PS 5J7013 - 3-1/2'' x 2.960'' x .192'' - 2 Piece Piston Seal3-1/2'' x 2.960'' x .192'' - 2 Piece Piston Seal 3-1/2'' Outside Diameter 2.960'' Inside Diameter .192'' Height Material: PTFE with Buna N Expander... $17.78![]() PS 5J7854 - 4-1/4'' x 3.585'' x .252'' - 2 Piece Piston Seal4-1/4'' x 3.585'' x .252'' - 2 Piece Piston Seal 4-1/4'' Outside Diameter 3.585'' Inside Diameter .252'' Height Material: PTFE with Buna N Expander... $21.64![]() PS 5J8011 - 3-3/4'' x 3.210'' x .192'' - 2 Piece Piston Seal3-3/4'' x 3.210'' x .192'' - 2 Piece Piston Seal 3-3/4'' Outside Diameter 3.210'' Inside Diameter .192'' Height Material: PTFE with Buna N Expander... $13.49![]() PS 6J0793 - 3-1/4'' x 2.710'' x .192'' - 2 Piece Piston Seal3-1/4'' x 2.710'' x .192'' - 2 Piece Piston Seal 3-1/4'' Outside Diameter 2.710'' Inside Diameter .192'' Height Material: PTFE with Buna N Expander... $15.70![]() PS 6J1972 - 3'' x 2.460'' x .192'' - 2 Piece Piston Seal3'' x 2.460'' x .192'' - 2 Piece Piston Seal 3'' Outside Diameter 2.460'' Inside Diameter .192'' Height Material: PTFE with Buna N Expander Alternate... $14.95![]() PS 8J6213 - 2-1/2'' x 2.125'' x .192'' - 2 Piece Piston Seal2-1/2'' x 2.125'' x .192'' - 2 Piece Piston Seal 2-1/2'' Outside Diameter 2.125'' Inside Diameter .192'' Height Material: PTFE with Buna N Expander... $13.27 |