---
product_id: 634502452
title: "Replacement Pump Piston Pump Plunger Kit for Harbor Freight-Costco-Arcan-Matco 3 ton & 3 1/4 ton Floor Jack, Low Side Smaller of The Two Plungers"
brand: "enrand"
price: "€ 142.52"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/634502452-replacement-pump-piston-pump-plunger-kit-for-harbor-freight-costco
store_origin: IE
region: Ireland
---

# Leak-proof direct replacement Fits 3 & 3¼ ton floor jacks Durable steel, copper & rubber build Replacement Pump Piston Pump Plunger Kit for Harbor Freight-Costco-Arcan-Matco 3 ton & 3 1/4 ton Floor Jack, Low Side Smaller of The Two Plungers

**Brand:** enrand
**Price:** € 142.52
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your floor jack’s heart — don’t get stuck on the sidelines!

## Quick Answers

- **What is this?** Replacement Pump Piston Pump Plunger Kit for Harbor Freight-Costco-Arcan-Matco 3 ton & 3 1/4 ton Floor Jack, Low Side Smaller of The Two Plungers by enrand
- **How much does it cost?** € 142.52 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/634502452-replacement-pump-piston-pump-plunger-kit-for-harbor-freight-costco)

## Best For

- enrand enthusiasts

## Why This Product

- Trusted enrand brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Leak-Proof Performance:** Engineered to prevent fluid leaks, keeping your floor jack reliable and safe.
- • **Complete Replacement Kit:** Includes spring cover, pump plunger with seals, cylinder, spring, and copper packing for hassle-free installation.
- • **Precision Fit for 3 & 3¼ Ton Jacks:** Seamlessly compatible with top brands like Harbor Freight, Costco & Matco.
- • **Built to Last with Premium Materials:** High-quality steel, copper, and rubber ensure corrosion resistance and long-term durability.
- • **Optimized for the 'Low Side' Plunger:** Specifically designed for the smaller left-side plunger, ensuring perfect fit and function.

## Overview

This Replacement Pump Piston Plunger Kit is a direct-fit solution for 3 and 3¼ ton floor jacks from leading brands like Harbor Freight, Costco, and Matco. Crafted from premium steel, copper, and rubber, it offers superior durability, corrosion resistance, and leak prevention. Designed specifically for the smaller 'low side' plunger, this kit includes all necessary components for a seamless replacement, ensuring your floor jack performs like new.

## Description

Replacement Pump Piston Pump Plunger Kit for Harbor Freight-Costco-Arcan-Matco 3 ton & 3 1/4 ton Floor Jack, Low Side Smaller of The Two Plungers

## Features

- ✅Fit for 3 ton & 3 1/4 ton Floor Jack. For ARCAN- HJ3000-, COSTCO, HARBOR FREIGHT, POWERBUILT, NORCO, CORNWELL, ASTRO, MATCO, AFF, JACKCO, AFF, SUNEX, NEIKO.
- ✅Prevent leak. Direct replacement pump plunger kit for the smaller of the two plungers at the "LOW SIDE".
- ✅This Pump Piston Replacement Kit is made of high-quality steel, copper and rubber. With strong durability, corrosion resistance and anti-rust performance. Better quality allows it to be used for a longer time.
- ✅It is a perfect pump plunger replacement kit — “LOW SIDE” —(“smaller of the two plungers”). If you are looking at the floor jack from the rear (casters) the plunger listed here stays to the left. Note: The plunger diameter is smaller than the one to the right of it.
- ✅Package Included：1*spring cover; 1*Pump plunger with seals; 1*Cylinder; 1*spring; 1* copper packing.]Direct replacement pump plunger kit for the smaller of the two plungers at the "LOW SIDE".Pump plunger: 0.58"-x 2.88 Long with seals, Cylinder: 1.05" x 2.60" long. Capacity per Stand: 3 1/2.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | M-‎3-ton |
| Brand | EnRand |
| Model | M-‎3-ton |
| Product Dimensions | 4.06 x 11.68 x 3.81 cm; 362.87 g |
| Item model number | M-‎3-ton |
| Manufacturer Part Number | M-‎3-ton |
| Assembly Required | No |
| Manufacturer | M-‎3-ton |
| Country of Origin | China |

## Product Details

- **Load Capacity:** 3 ton
- **Brand:** EnRand
- **Item dimensions L x W x H:** 41 x 117 x 38 Millimeters
- **Manufacturer:** M-‎3-ton
- **UPC:** 768637587638

## Images

![Replacement Pump Piston Pump Plunger Kit for Harbor Freight-Costco-Arcan-Matco 3 ton & 3 1/4 ton Floor Jack, Low Side Smaller of The Two Plungers - Image 1](https://m.media-amazon.com/images/I/616NpdqFyfL.jpg)

## Frequently Bought Together

- EnRand Replacement Pump Piston Low Side Pump Plunger Kit Fit for Harbor Freight-Costco-Arcan-Matco 3 & 3 1/4 Ton Jack
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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-25*