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【Complete Low Side Repair Solution】This combination kit includes both pump piston plunger assemblies and a full hydraulic seal kit, providing a complete low-side repair solution for 3 ton dual pump floor jacks. No need to purchase parts separately—fix common issues like oil leaks, weak lifting, or pressure loss in one repair, saving time and effort for DIY users and professionals alike
【Compatible with Popular 3 Ton Dual Pump Floor Jacks】 floor jack parts compatible with Pittsburgh, floor jack rebuild kit compatible with Pittsburgh,floor jack parts compatible with Arcan floor jack, Ideal for commonly used automotive jacks in home garages and professional shops
【 Restores Lifting Power & Smooth Operation】Worn plungers and aging seals often cause reduced load capacity and uneven lifting. Replacing both the bigger and smaller low side pump plungers together with fresh O-ring seals helps restore proper hydraulic pressure, improves pumping fluency, and brings your jack back to stable, reliable performance
【 Heavy Duty Materials for Long Term Use】Pump plungers, cylinders, springs, C-rings, and retainers are made from high quality materials with excellent wear and corrosion resistance. The seal kit uses durable rubber compounds designed to withstand high pressure and repeated use, ensuring dependable sealing and extended service life under demanding workshop conditions
【Full 17 Piece Seal Kit Included】Includes 17 essential components for pump plunger repair, such as plunger O-ring oil seals, oil plugs, nylon stopper bowls, base pads, cap rings, and related sealing parts
【Smart Choice for Repair Instead of Replacement】Replacing worn pump pistons and seals costs far less than buying a new jack. This combo repair kit helps extend the life of your existing jack, reduce downtime, and improve safety during lifting — an economical and practical solution for mechanics, technicians, and DIY car owners

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Complete Hydraulic Jack Repair Solution
This full repair kit is designed to restore the lifting power and reliability of your 3-ton dual-pump hydraulic floor jack. By combining dual pump plunger assemblies, return springs, and a complete 17-piece sealing and retaining set, it provides a professional-grade solution for oil leaks, pressure loss, and worn internal components. Enjoy smoother pumping action, stable lifting performance, and an extended service life for your floor jack.

Size
Small Pump Plunger: 2.88" × 0.59" (with seals)
Small Cylinder: 2.64" × 1.06"
Large Pump Plunger: 2.88" × 0.86" (with seals)
Large Cylinder: 2.59" × 1.19"

Package Includes (17 PCS Total)
1 × Small Pump Piston Assembly
1 × Large Pump Piston Assembly
2 × Return Springs
15 × O-Ring & Sealing / Retaining Components
(Including plunger oil seals, oil plugs, nylon stopper bowls, base pads, cap rings, and related sealing parts)

Easy Installation
Step 1: Remove the old cylinder and install the new one securely.
Step 2: Insert the steel packing into the pump plunger and fix it in place with the C-ring.
Step 3: Apply grease to both the pump plunger and cylinder for smooth operation.
Step 4: Insert the retainer, pump plunger, and spring into the cylinder to complete the replacement.

Notes
Manual measurement, please allow slight size differences.
Ensure compatibility with your 3-ton dual-pump hydraulic floor jack before installation

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