Product Description
3-1/2 X 7
Frequently Asked Questions
Q: What are the dimensions of the JIC-1543309C1 seal kit?
A: The JIC-1543309C1 is a 3-1/2 inch by 7 inch seal kit designed for larger hydraulic lift cylinders. This size is common in industrial pallet jacks, stackers, and powered equipment from Crown, Hyster, and Jungheinrich.
Q: Which lift truck models use the 3.5 x 7 seal kit?
A: This seal kit fits hydraulic lift cylinders on mid-capacity pallet jacks and electric stackers, particularly older model equipment from Crown, Toyota, Raymond, and Yale. Confirm your equipment nameplate shows a 3-1/2 x 7 cylinder before ordering.
Q: What sealing materials does this kit contain?
A: The JIC-1543309C1 includes piston seals, rod seals, backup rings, and wear bands formulated for ISO 46 and ISO 68 industrial hydraulic oils. Materials provide reliable sealing across standard warehouse temperatures from 32 degrees Fahrenheit to 140 degrees Fahrenheit.
Q: What is the typical service life of this seal kit?
A: Expected service life is 3 to 5 years under normal warehouse conditions. Life extends to 5 to 7 years in light-duty applications, but shortens to 2 to 3 years in cold storage, wet dock, or high-cycle lift operations.
Q: What symptoms indicate the JIC-1543309C1 seal kit needs replacement?
A: Replace this kit if you observe hydraulic fluid pooling under the cylinder, reduced lifting speed, inability to maintain load height, or visible scoring on the cylinder rod. These are signs of seal degradation and potential contamination.
Q: Are there equivalent part numbers from other suppliers for this seal kit?
A: The JIC-1543309C1 is our house brand seal kit for 3-1/2 x 7 hydraulic cylinders. Provide us with your original OEM part number or equipment model number and we can confirm cross-compatibility and availability.