DIESEL TANK CAP
GCO: B03.6

Diesel Tank Cap Hyundai R-210

OEM Part No. 31N402120
Compatible With HYUNDAI R-210
Category DIESEL TANK CAP
Availability ✓ In Stock
Diesel Tank Cap Hyundai R-210 – OEM GRADE MACHINE REPLACEMENT PART | OEM: 31N402120
✓ Genuine Quality ✓ Pan India Shipping ✓ Expert Support

Product Specifications

BrandCompatible Model(s)OEM Part NumberGCO CodePart TypeAvailability
HyundaiHYUNDAI R-21031N402120B03.6DIESEL TANK CAP✓ In Stock

Product Description

OEM Part Numbers: 31N402120

Machine ModelPart Number
HYUNDAI R-21031N402120

The 31N402120 diesel tank cap hyundai r-210 is a genuine quality replacement component for the HYUNDAI R-210, engineered to restore full machine performance and reliability when the original part reaches the end of its service life. Component wear and failure leads directly to reduced machine productivity, increased fuel consumption, and the risk of more extensive damage if replacement is delayed. Engineered to OEM standard 31N402120 for exact fitment on the HYUNDAI R-210.

Key Features:

  • OEM Grade Quality: Manufactured to the same specification as the original part for reliable, long-term performance.
  • Direct Fitment: Built to OEM reference 31N402120 for accurate installation on the HYUNDAI R-210 without modification.
  • Operational Reliability: Restores the machine's original performance and dependability for sustained heavy-duty operation.

The 31N402120 diesel tank cap hyundai r-210 is an OEM-specification replacement part for restoring full operational capability on the HYUNDAI R-210.

What Does This Diesel Tank Cap Do?

Seals the diesel fuel tank filler opening to prevent fuel spillage, dust ingress, and evaporation losses. Most designs include a vented or pressure-equalising function to allow air to enter the tank as fuel is consumed, preventing a vacuum from forming that would restrict fuel flow to the engine.

Possible Diesel Tank Cap Problem Symptoms

If your machine is showing any of the following, a faulty diesel tank cap may be the cause:

  • Fuel leaking from the tank cap seal or filler neck during operation or when parked on a slope
  • Engine fuel starvation caused by a non-venting cap creating a vacuum in the tank
  • Dust or water contamination of the fuel found during a filter service, indicating a failed cap seal
  • Cap locking mechanism broken, leaving the fuel tank unsecured

Why Buy From GCO Products?

Gautam & Company has been supplying earthmoving machinery spare parts since 1999. Here is why contractors, fleet operators, and dealers across India trust us.

Supplying Since 1999

Over 27 years of experience in the earthmoving parts industry.

Technical Support

Our team helps you confirm the right part before you order.

GST Billing

Proper GST invoices on every order for your accounting needs.

Pan-India Supply

Fast dispatch from Jalandhar to all states across India.

Bulk & Wholesale

Volume pricing available for fleet owners, dealers and distributors.

OEM & Aftermarket

Both genuine OEM and quality aftermarket options available.

How to Confirm Compatibility

To ensure this part is the correct fit for your machine, have the following ready when you contact us:

  • 1
    Machine Model & Year

    E.g. Komatsu PC200-8, CAT 320D, JCB JS205 — include the model suffix if known.

  • 2
    Machine Serial Number

    Found on the machine's chassis plate. Helps confirm the exact production variant.

  • 3
    OEM Part Number

    From your parts manual, the old part itself, or the machine's service documentation.

Not sure if this part fits your machine?

WhatsApp Us to Confirm Typically replies within a few hours

Disclaimer: This is an aftermarket replacement part supplied by GCO Products (Gautam & Company) and is not manufactured by, affiliated with, or endorsed by the original equipment manufacturer (OEM). All brand names, model numbers, and OEM part numbers referenced on this page are used solely for the purpose of identifying compatibility and describing the application of this part. All trademarks, registered marks, and brand identifiers remain the exclusive property of their respective owners. GCO Products claims no association with, sponsorship by, or endorsement by any OEM brand mentioned herein.