{"product_id":"bulevina-3-ton-floor-jack-low-side-pump-plunger-kit-dual-pump-replacement-set-with-seals-springs","title":"BuleVina 3-Ton Floor Jack Low-Side Pump Plunger Kit — Dual Pump Replacement Set with Seals \u0026 Springs","description":"\u003cp\u003e\u003cstrong\u003eBuleVina's replacement pump piston plunger kit restores sealing and lifting performance for 3-ton dual-pump floor jacks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your hydraulic floor jack has started to leak oil, feels spongy, or no longer holds load as it once did, worn pump plungers and cylinders on the low side are often the cause. This two-piece kit includes both the smaller and larger low-side pump plungers, cylinders, springs, C-rings, retainers and rubber seals needed to repair dual-pump 3-ton jacks. It’s made to match common aftermarket and OEM designs so you can bring your jack back to reliable operation without replacing the entire tool.\u003c\/p\u003e\n\n\u003ch3\u003eWhat exactly comes in this full low-side pump piston plunger set?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit supplies all the internal components required to rebuild the low side of a horizontal double-pump assembly. Parts are sized to replace both the smaller and larger plungers that a 3-ton dual-pump jack uses.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eTwo machined pump plungers (smaller and bigger) with factory-fitted rubber sealing rings\u003c\/li\u003e\n  \u003cli\u003eTwo matching cylinders sized for each plunger\u003c\/li\u003e\n  \u003cli\u003eReturn springs, C-rings, and retainers for secure assembly\u003c\/li\u003e\n  \u003cli\u003ePackaging contains two full sets to handle both plungers on the horizontal pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will these replacement parts improve my jack's performance?\u003c\/h3\u003e\n\n\u003cp\u003eReplacing worn plungers and cylinders restores the hydraulic seal and reduces internal leakage, which improves lift responsiveness and load-holding ability. Better seals mean less oil loss and more consistent pressure during use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eRestores tightness between pump components to reduce seepage\u003c\/li\u003e\n  \u003cli\u003eImproves lifting speed and reduces spongy handle feel\u003c\/li\u003e\n  \u003cli\u003eHelps the jack maintain rated capacity by eliminating internal bypass\u003c\/li\u003e\n  \u003cli\u003eExtends usable life of the jack without full replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich jacks and models are compatible with this pump piston kit?\u003c\/h3\u003e\n\n\u003cp\u003eThis kit is engineered for 3-ton hydraulic floor jacks that use a horizontal dual-pump arrangement. It is particularly compatible with many popular brands and aftermarket copies of the same pump design.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFits Torin Big Red style 3-ton dual-pump jacks\u003c\/li\u003e\n  \u003cli\u003eCompatible with Harbor Freight \/ Pittsburg-like and Dayton-style models\u003c\/li\u003e\n  \u003cli\u003eWorks with Arcan and other 3-ton floor jacks that use similar low-side pump configurations\u003c\/li\u003e\n  \u003cli\u003eReplaces both the smaller and bigger low-side plungers to cover common dual-pump setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact sizes and material features of each plunger and cylinder?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit lists precise dimensions so you can confirm fit before installation. Components are made from corrosion-resistant, wear-resistant materials and include two rubber sealing rings on each plunger for improved longevity.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLow-side smaller plunger: 2.88\" long × 0.59\" diameter (with seals); matching cylinder 2.64\" × 1.06\"\u003c\/li\u003e\n  \u003cli\u003eLow-side bigger plunger: 2.88\" long × 0.86\" diameter (with seals); matching cylinder 2.59\" × 1.19\"\u003c\/li\u003e\n  \u003cli\u003eHigh-quality metal construction with anti-corrosion finish on machined parts\u003c\/li\u003e\n  \u003cli\u003eIncludes springs, C-rings and retainers for secure, correct reassembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this kit for? If you own a 3-ton hydraulic floor jack that has become leaky, slow to lift, or can’t hold its rated load—particularly models from Torin (Big Red), Harbor Freight, Pittsburgh, Dayton, or Arcan—this BuleVina replacement pump plunger kit gives you the parts needed to rebuild the low side of the dual pump. It suits DIY mechanics, shop technicians and mobile service pros who prefer repair over replacement and want measured dimensions and quality materials for a reliable fix.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this kit fix a jack that won’t hold pressure?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—replacing worn low-side plungers and seals often stops internal leakage and helps the jack hold pressure again.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these parts fit my Torin Big Red 3-ton dual pump jack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit is designed to fit most Torin Big Red style 3-ton dual-pump jacks; compare the listed dimensions to confirm compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BuleVina","offers":[{"title":"Default Title","offer_id":67589235179705,"sku":"B0DXFB188Z","price":73.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/bulevina-front-packaging-kit.jpg?v=1790529520","url":"https:\/\/redleafauto.ca\/products\/bulevina-3-ton-floor-jack-low-side-pump-plunger-kit-dual-pump-replacement-set-with-seals-springs","provider":"Redleaf Auto","version":"1.0","type":"link"}