SEAL KIT 4I3668 - Caterpillar

4I3668 SEAL KIT Caterpillar parts 320 L, 320N, 322

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Alternative (cross code) number:
CA4I3668
4I-3668
4I3668

Weight: 0.65 pounds 0 kg.

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Excavator Repair Parts Cylinder Seal Kit Hydraulic Cylinder Seals Kits Compatible with CAT Excavator 320 BOOM 247-8868 ARM 4I-3668 BUCKET 4I-3790 Excavator Parts

$148.00

13 May 2025

HK: SHANDIEN

Excavator Repair Parts Cylinder Seal Kit Hydraulic Cylinder Seals Kits Compatible with CAT Excavator 320 BOOM 247-8868 ARM 4I-3668 BUCKET 4I-3790 Excavator Parts
Generic Cylinder Seal Kit and Hydraulic Seals Kits: These kits are designed to provide a complete set of seals for your hydraulic cylinders, ensuring optimal performance and longevity. || Compatible with CX Excavator 320: Specifically engineered to fit the 320 model, these seal kits are tailored to meet the exact specifications of your excavator. || BOOM 247-8868, ARM 4I-3668, BUCKET 4I-3790: Each kit contains seals for the boom, arm, and bucket, covering the essential components of your excavator's hydraulic system. || Durable and Reliable: Manufactured to withstand the rigors of heavy machinery operation, these seals are built for durability and reliability, reducing the need for frequent replacements. || Designed for Easy Installation: The seal kits are designed with the end-user in mind, making installation a straightforward process, saving you time and effort.

Excavator Parts Compatible with CAT Excavator 320 Arm Cylinder Seal Kit 4I-3668 4I3668 Hydraulic Cylinder Seals Kits Excavator Parts

$185.00

13 May 2025

HK: SHANDIEN

Excavator Parts Compatible with CAT Excavator 320 Arm Cylinder Seal Kit 4I-3668 4I3668 Hydraulic Cylinder Seals Kits Excavator Parts
Generic Arm Cylinder Seal Kit: This kit is designed specifically for the JS 320 excavator, ensuring a perfect fit and optimal performance. || Compatible with JS 320: Our seal kit is engineered to be compatible with the JS 320 model, providing a reliable solution for your hydraulic arm cylinder needs. || Hydraulic System Efficiency: The seal kit helps maintain the efficiency of the hydraulic system by preventing leaks and ensuring smooth operation. || Durable Construction: Made from high-grade materials, this seal kit is built to withstand the rigors of heavy machinery operation, extending the life of your excavator's components. || Easy Installation: Designed for ease of installation, this kit can be quickly and accurately installed, reducing downtime and maintenance costs.

4I-3668 127-0630 Stick Arm Stick Cylinder Seal Kit for Caterpillar 320L 320N 322

$70.51

13 May 2025

CN: HQPA Mechanical

4I-3668 127-0630 Stick Arm Stick Cylinder Seal Kit for Caterpillar 320L 320N 322
HQPA

Number on catalog scheme: None

Caterpillar 4I3668 Parts scheme SEAL KIT

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4I3668 Images:

Compatible equipment models: 4I3668:

EXCAVATOR 320 L 320N 322 Caterpillar

Information:

Illustration 1 g01030585
Neutral (A) Passage (B) Passage (1) Set screw (2) Relief valve (3) Spring (4) Pin (5) Check valve (6) Line from control valve (7) Manual lowering screw (8) Control piston (9) Line from pilot valve (10) Spring (11) Line from control valve (12) Rod (13) Line to parallel cylinder (14) Tapered piston (15) Spring (16) Spring chamber (17) Retainer (18) spring (19) Poppet (20) Flow control
Illustration 2 g01030832
Lower (A) Passage (B) Passage (1) Set screw (2) Relief valve (3) Spring (4) Pin (5) Check valve (6) Line from control valve (7) Manual lowering screw (8) Control piston (9) Line from pilot valve (10) Spring (11) Line from control valve (12) Rod (13) Line to parallel cylinder (14) Tapered piston (15) Spring (16) Spring chamber (20) Flow controlThe boom lowering control valve is used to prevent the cylinder from falling, if a hose breaks. One valve is on the head end of each cylinder. During the boom raise operation, the valve operates as a load check valve.BOOM RAISE
As the joystick is moved to the BOOM RAISE position, pump oil flows from passage (A) through passage (B) after pushing on check valve (5). The control valve works as a standard check valve. When the joystick returns to the NEUTRAL position, the load will be held by all valve elements in a sealed condition. BOOM LOWER
Pilot pressure comes in the control valve from the pilot valve through line (9). The pressure pushes control piston (8) against spring (10). When pilot pressure increases, control piston (8) pushes the ball. The ball then pushes rod (12). Rod (12) lifts poppet (19) off the seat. This allows spring chamber (16) to release pressure to the tank. Now, piston (14) can be pushed against spring force (15). Oil can flow from passage (B) to passage (A) through orifices of piston (14). Increased pilot pressure allows the opening between passage (A) and passage (B) to be increased. When pilot pressure is decreased, forces of springs (10) and (15) push piston (8) backward. Spring (18) closes poppet (19). Piston (14) comes back on the seat. This closes the opening between passage (A) and passage (B). Oil leaks between piston (14) and the housing in order to refill chamber (16) with oil. This locks piston (14) on the seat and the boom lowering control valve is locked again.

Caterpillar parts catalog:

Caterpillar parts catalog
Product:

320, 320L TRACK-TYPE EXCAVATORS 1KL00001-UP (MACHINE) POWERED BY 3066 ENGINE

087-4898: STICK CYLINDER GP-SEAL & » h31173e

320, 320L TRACK-TYPE EXCAVATORS 1TL00001-UP (MACHINE) POWERED BY 3116 ENGINE

087-4898: STICK CYLINDER GP » h31173e

320, 320L TRACK-TYPE EXCAVATORS 2DL00001-00213 (MACHINE) POWERED BY 3066 ENGINE

087-4898: STICK CYLINDER GP-SEAL & » h31173e

320, 320L TRACK-TYPE EXCAVATORS 1KL00001-UP (MACHINE) POWERED BY 3066 ENGINE

087-5493: STICK CYLINDER GP-SEAL & » h31174e

320, 320L TRACK-TYPE EXCAVATORS 1TL00001-UP (MACHINE) POWERED BY 3116 ENGINE

087-5493: STICK CYLINDER GP » h31174e

320, 320L TRACK-TYPE EXCAVATORS 2DL00001-00213 (MACHINE) POWERED BY 3066 ENGINE

087-5493: STICK CYLINDER GP-SEAL & » h31174e

322 322L TRACK-TYPE EXCAVATORS 7WL00001-UP (MACHINE) POWERED BY 3116 ENGINE

105-2588: CYLINDER & SEAL GP » h39164e

320, 320L & 320N TRACK-TYPE EXCAVATORS 1XM00001-UP (MACHINE) POWERED BY 3066 ENGINE

087-4898: CYLINDER & SEAL GP-STICK » h48065e
087-5493: CYLINDER & SEAL GP-STICK » h48066e

Parts seal Caterpillar catalog:

4K4986 SEAL-O-RING
12E, 245, 307D, 308D, 308E, 308E CR, 308E SR, 311, 312, 315, 317, 320 L, 325, 325 L, 330, 35, 45, 5110B, 515, 517, 518, 518C, 525, 525B, 525C, 527, 528, 528B, 530B, 535B, 535C, 545, 545C, 55, 561D, 57...

4J5573 SEAL-O-RING
1090, 1190, 1190T, 1290T, 1390, 173B, 183B, 225, 225D, 229, 2290, 229D, 231D, 235, 235B, 235C, 2390, 2391, 245, 245B, 2491, 2590, 302.5C, 307B, 320 L, 320N, 322, 324E L, 324E LN, 325, 329E L, 329E LN,...

7Y5219 SEAL-O-RING
307C, 307D, 311B, 311C, 312C L, 315, 315C, 318B, 318C, 319C, 320, 320 L, 320B, 320B FM LL, 320B U, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 320D2,...

9W7225 SEAL GP-DUO-CONE
215C, 235, 235C, 312, 312B, 320 L, 320B, 322, 322B L, 322B LN, 322C, 322C FM, 324D, 324D L, 324D LN, 325 FM L, 325B L, 325C, 325C FM, 330D, 336D L, 336D LN, 345B L, 345D, 350, 365B, 365B L, 375, 633E,...

0951701 SEAL-O-RING
2384C, 2484C, 303, 303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304, 304C CR, 304D CR, 304E, 305, 305.5, 305.5D, 305.5E, 305C CR, 305D CR, 305E, 306, 311, 311B, 311C, 311D LRR, 311F LRR, 312, 312B, 312C,...

0931433 SEAL-LIP
304C CR, 305.5, 305.5D, 305.5E, 305C CR, 305D CR, 305E, 306, 306E, 307, 307B, 307C, 307D, 308C, 308D, 308E, 308E CR, 308E SR, 308E2 CR, 311, 311B, 311C, 312, 312B, 312B L, 312C, 312C L, 313B, 314C, 31...

0951595 SEAL-O-RING
2384C, 302.5C, 303.5, 303.5C, 303.5D, 303.5E, 303C CR, 303E CR, 304, 304.5, 304D CR, 304E, 305, 305.5, 306, 307C, 307D, 308D, 308E, 308E CR, 308E SR, 311, 311B, 311C, 312, 312B, 313B, 315, 315D L, 316...

0964411 SEAL-LIP TYPE
318B, 320, 320 L, 320B, 320B FM LL, 320B L, 320C FM, 320D, 320N, 321C, 321D LCR, 322, 322B, 328D LCR, E200B, E300B

0951721 SEAL-O-RING
303, 304, 304.5, 304C CR, 305, 305.5, 305.5D, 305.5E, 305C CR, 305D CR, 305E, 306, 320 L, 320B, 320B FM LL, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D R...

0969528 SEAL-O-RING
311, 311B, 311C, 311D LRR, 312, 312B, 312C, 312C L, 312D, 312D L, 313D, 314C, 314D CR, 314D LCR, 315D L, 318C, 318D L, 319C, 319D, 319D L, 319D LN, 320 L, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 3...