31Y1-04031 Blade Cylinder Seal Kit for Hyundai R130LC-3 / R140LC-7 Excavators
Product Overview
The 31Y1-04031 blade cylinder seal kit is a factory-manufactured aftermarket replacement kit cross-referenced against the genuine Hyundai part number 31Y1-04031 (Hyundai HCE “SEAL KIT”, also written 31Y104031). It is intended for the front dozer blade cylinder of Hyundai R130 and R140 series excavators fitted with blade equipment, restoring leak-free sealing performance during a blade cylinder overhaul.
DJF Seals manufactures and supplies the 31Y1-04031 at factory-direct wholesale pricing for Hyundai equipment dealers, independent repair shops and fleet maintenance programs.
Verified Application
The following application data was cross-checked against Hyundai parts references, industrial seal catalogs and marketplace listings:
| Part Number | 31Y1-04031 (31Y104031; aftermarket cross HYU-31Y1-04031) |
| OEM Reference | Hyundai HCE SEAL KIT (genuine Hyundai part per hce-part.com and Modern Equipment Parts) |
| Cylinder Position | Blade (dozer blade) cylinder per the majority of aftermarket listings; the Hercules catalog codes the application as “Stabilizer – Right Side Assembly” / “Tilt” — see conflict note |
| Verified Fitments | Hyundai R130LC-3 and R140LC-7 (blade cylinder); R130-3 and R140-7 are additionally listed by several sellers |
| Rod / Bore (per Hercules catalog) | 70 mm / 100 mm |
| Condition | New, aftermarket replacement |
Note: specific material grades, pressure rating, temperature range, exact piece counts, certifications and service life are factory data and are not independently verified. Confirm these details with the factory before ordering.
Replacement Scope
This kit covers the sealing elements required for the blade cylinder configuration, including the rod seal, piston seal, wiper (dust seal), O-rings and supporting backup or guide elements. Exact kit contents and piece counts should be confirmed with the factory against your cylinder before ordering.
Fitment Verification
The part number, cylinder position and fitments were verified through multiple independent sources:
- hce-part.com (Hyundai HCE parts): 31Y1-04031 Hyundai HCE SEAL KIT.
- Modern Equipment Parts: 31Y1-04031 Hyundai Seal Kit-Cyl (genuine Hyundai construction equipment replacement part).
- Hercules Sealing Products (HYU-31Y1-04031): rod 70.000 x bore 100.000, machine type excavator; catalog application field reads “Stabilizer – Right Side Assembly” and “Tilt”.
- eBay listings (multiple): “31Y1-04031 Blade Cylinder Seal Kit For Hyundai R130LC-3 R140LC-7”; “New Blade cylinder seal kit 31Y1-04031 Fit For Hyundai R130-3 R140-7 Excavator”.
- Amazon listings: “31Y1-04031 Blade Cylinder Seal KIT FITS for Hyundai R130LC-3 R140LC-7” (Rzon, MSparts).
- Walmart, Alibaba and suncar-seals list the same blade cylinder fitment for the R130LC-3 / R140LC-7.
- Conflict note: the Hercules catalog codes the position as “Stabilizer – Right Side Assembly” / “Tilt”, while nearly all aftermarket listings identify the blade (dozer) cylinder; the dozer blade cylinder of these machines is mounted at the front frame, and the single catalog reading should be double-checked against your machine’s parts book before ordering.
- Conflict note: the current page lists only the R140LC-7; the R130LC-3 (and R130-3 / R140-7) are also documented by multiple independent sellers.
- Materials, pressure, temperature, piece counts, certifications and service life are not independently verified.
Factory Inspection & Packing
Each 31Y1-04031 kit is assembled and checked at the DJF factory before packing. Sealing elements are placed in labeled poly bags marked with the part number, then packed into export cartons for protection during international shipping. Kits can be packed under DJF branding, neutral packaging, or your own private label for distribution.
Wholesale Ordering
DJF Seals supplies the 31Y1-04031 kit at factory-direct wholesale pricing for distributors, dealers and repair shops. To request a quotation, send your part number and quantity to [email protected] or [email protected]. OEM/ODM service, custom packaging and bulk container shipping are available for regular programs.
MOQ
MOQ: 5 kits.
FAQ
Q: Which machines does the 31Y1-04031 seal kit fit?
A: The blade cylinder fitment is documented for the Hyundai R130LC-3 and R140LC-7, with R130-3 and R140-7 additionally listed by several sellers. Confirm your machine model and serial number before ordering.
Q: Which cylinder does this kit service?
A: Most aftermarket listings identify the front dozer blade cylinder. One industrial catalog codes the application as stabilizer/tilt, so verify the cylinder position on your machine before purchase.
Q: What are the cylinder dimensions for this kit?
A: The Hercules catalog lists HYU-31Y1-04031 as 70 mm rod x 100 mm bore.
Q: What is the minimum order quantity?
A: MOQ: 5 kits.