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Cylinder Seals
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New Aftermarket Eliminates metal-to-metal contact between the head and rod and prevents scoring (scratching) of the rod by the head. Specifications: PART NUMBER : 9X-3579 Rod Diameter : 4.50 in Rod Diameter : 114.30 mm Grove Diameter - B (±...$4.44 -
New Aftermarket Type 1 A two-piece seal, consisting of a piston ring and an expander, which prevents oil transfer between the rod end of the cylinder and the cap end. The piston seal is usually made of Teflon, with nylon available for pressure...$5.02
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New Aftermarket Seal Shape: Type A Acts as a secondary rod seal and protects the rod from sudden increase in system pressure. Specifications: PART NUMBER : 6J-6915 Seal Shape : Type A Groove Width - A (± 0.005 in) : 3.64 in Groove Width - A...$2.18 -
New Aftermarket Seal Shape: Type A - Single Lip Wiper Prevents external contaminants from entering the system. Single-lip (the lip is the projecting rim or edge of the seal) wipers clean the rod as it retracts. Double-lip wipers clean the rod as it...$3.03
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New Aftermarket Supports and centers the piston to prevent metal-to-metal contact between the piston and the cylinder wall. Specifications: PART NUMBER : 7J-9885 Outside Diameter : 3.50 in Outside Diameter : 88.90 mm Width - A (± 0.03 in) :...$1.71
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New Aftermarket Seal Shape: Type C - Seal Shape: Type Backup Ring Designed to replace Chevron Packing which Caterpillar no longer uses. These assemblies combine U-Cup Rod Seals with spacers to fill the original Chevron Packing grooves. Both U-Cup...$4.46 -
New Aftermarket Type 3 A two-piece seal, consisting of a piston ring and an expander, which prevents oil transfer between the rod end of the cylinder and the cap end. The piston seal is usually made of Teflon, with nylon available for pressure...$4.43 -
New Aftermarket Seal Shape: Type A Designed to replace Chevron Packing which Caterpillar no longer uses. These assemblies combine U-Cup Rod Seals with spacers to fill the original Chevron Packing grooves. Both U-Cup Seal Assemblies and Chevron...$3.04 -
New Aftermarket Type 2 A two-piece seal, consisting of a piston ring and an expander, which prevents oil transfer between the rod end of the cylinder and the cap end. The piston seal is usually made of Teflon, with nylon available for pressure...Pre-Order
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New Aftermarket Type 3 A two-piece seal, consisting of a piston ring and an expander, which prevents oil transfer between the rod end of the cylinder and the cap end. The piston seal is usually made of Teflon, with nylon available for pressure...$8.30
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New Aftermarket Seal Shape: Type A Designed to replace Chevron Packing which Caterpillar no longer uses. These assemblies combine U-Cup Rod Seals with spacers to fill the original Chevron Packing grooves. Both U-Cup Seal Assemblies and Chevron...$0.98 -
New Aftermarket Seal Shape: Type A Designed to replace Chevron Packing which Caterpillar no longer uses. These assemblies combine U-Cup Rod Seals with spacers to fill the original Chevron Packing grooves. Both U-Cup Seal Assemblies and Chevron...$3.43 -
New Aftermarket Seal Shape: Type C - Seal Shape: Type Backup Ring Designed to replace Chevron Packing which Caterpillar no longer uses. These assemblies combine U-Cup Rod Seals with spacers to fill the original Chevron Packing grooves. Both U-Cup...$21.50
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New Aftermarket Seal Shape: Type B - Double Lip Wiper Prevents external contaminants from entering the system. Single-lip (the lip is the projecting rim or edge of the seal) wipers clean the rod as it retracts. Double-lip wipers clean the rod as it...$2.00
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New Aftermarket Supports and centers the piston to prevent metal-to-metal contact between the piston and the cylinder wall. Specifications: PART NUMBER : 6J-2797 Outside Diameter : 4.00 in Outside Diameter : 101.60 mm Width - A (± 0.03 in) :...$1.55
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New Aftermarket Eliminates metal-to-metal contact between the head and rod and prevents scoring (scratching) of the rod by the head. Specifications: PART NUMBER : 8T-4958 Rod Diameter : 2.25 in Rod Diameter : 57.15 mm Grove Diameter - B (±...$1.04
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New Aftermarket Eliminates metal-to-metal contact between the head and rod and prevents scoring (scratching) of the rod by the head. Specifications: PART NUMBER : 8C-3846 Rod Diameter : 9.00 in Rod Diameter : 228.52 mm Grove Diameter - B (±...$119.45 -
New Aftermarket Seal Shape: Type A Designed to replace Chevron Packing which Caterpillar no longer uses. These assemblies combine U-Cup Rod Seals with spacers to fill the original Chevron Packing grooves. Both U-Cup Seal Assemblies and Chevron...$1.64
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New Aftermarket Seal Shape: Type A Designed to replace Chevron Packing which Caterpillar no longer uses. These assemblies combine U-Cup Rod Seals with spacers to fill the original Chevron Packing grooves. Both U-Cup Seal Assemblies and Chevron...$1.19 -
New Aftermarket Seal Shape: Type K Prevents external contaminants from entering the system, but used in less severe environmental conditions and lighter duty hydraulic applications than its press-in counterpart. Specifications: PART NUMBER : 3E-4124...Pre-Order
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New Aftermarket Seal Shape: Type B - Double Lip Wiper Prevents external contaminants from entering the system. Single-lip (the lip is the projecting rim or edge of the seal) wipers clean the rod as it retracts. Double-lip wipers clean the rod as it...Pre-Order
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New Aftermarket Supports and centers the piston to prevent metal-to-metal contact between the piston and the cylinder wall. Specifications: PART NUMBER : 3J-9027 Outside Diameter : 6.50 in Outside Diameter : 165.10 mm Width - A (± 0.03 in) :...$4.10
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New Aftermarket Type 4 A two-piece seal, consisting of a piston ring and an expander, which prevents oil transfer between the rod end of the cylinder and the cap end. The piston seal is usually made of Teflon, with nylon available for pressure...Pre-Order
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New Aftermarket Type 1 A two-piece seal, consisting of a piston ring and an expander, which prevents oil transfer between the rod end of the cylinder and the cap end. The piston seal is usually made of Teflon, with nylon available for pressure...$6.53