Royal Enfield Petrol Tank 350 BS6 Gun Metal Grey OM
Looking for an authentic replacement Royal Enfield Petrol Tank 350 BS6 Gun Metal Grey OM? Featuring the original 13.5 litres fuel tank capacity, this heavy-duty replacement fuel tank is crafted from deep-drawn Cold Rolled Coil (CRC) sheet steel, engineered specifically for the Royal Enfield Classic 350 BS6 EFI (UCE Twinspark platform with bottom fuel pump flange). Built strictly to original factory blueprints, it delivers an exact bolt-on fit to your motorcycle frame without requiring custom brackets, welding, or chassis alterations.
Whether you are replacing an original tank plagued by internal rust flake contamination, dented side panels from road debris, or seam weeping around the fuel bung, this tank restores showroom fresh styling and reliable fuel delivery. The deep gunmetal grey om finish is sealed under multiple coats of automotive-grade polyurethane clear lacquer, providing long-term protection against UV sunlight, rain showers, and petrol drips during fill-ups.
Exploring other colours or motorcycle generations? Browse our complete selection of Royal Enfield Petrol Tanks.
Compatibility
- Model: Royal Enfield Classic 350 BS6 EFI (UCE Twinspark platform with bottom fuel pump flange)
- Years: 2020, 2021
- Engine Type: 346cc Single Cylinder UCE Fuel-Injected Engine
- Does NOT fit: Classic 350 Reborn (2021 onwards with J-series dual cradle chassis)
- Does NOT fit: Classic 350 BS3 / BS4 (Carburettor models with gravity fuel tap)
- Does NOT fit: Thunderbird 350/500, Hunter 350, Meteor 350, or Himalayan
Specifications
| Fuel Tank Capacity | 13.5 litres (OEM Specification) |
| Material | Deep-drawn cold-rolled coil CRC steel sheet |
| Dry Weight | Approx. 5.5 kg without fuel |
| Paint Finish | Gunmetal Grey OM with UV-protective clear coat |
| Mounting Interface | Direct OEM factory bolt-on pattern for motorcycle frame |
| Fuel Bung & Emission | Factory circular bolt circle flange for OEM electric fuel pump module |
| Condition | 100% Brand new aftermarket replacement |
What’s Included
- 1x Royal Enfield Classic 350 BS6 Petrol Tank in Gunmetal Grey OM
- Electric fuel pump assembly – NOT included (transfer your OEM internal pump unit)
- Fuel pump mounting gasket / O-ring – NOT included (we recommend fitting a new seal)
- Fuel filler cap – NOT included (reuse your stock twist cap)
- Tank side badges / emblems – NOT included (transfer your OEM badges or knee pads)
- Chassis bolts and rubber mount pucks – NOT included (reuse your factory hardware)
Installation & Maintenance Tips
To ensure maximum lifespan from your new fuel tank, follow these straightforward workshop best practices before hitting the road:
- Pre-Installation Flush: Always rinse the interior of the new tank with half a litre of fresh petrol before bolting it down. This clears any transit packaging dust and ensures clean fuel flows to your fuel filter or carburettor jets.
- Rubber Dampers: Inspect your front frame rubber pucks and rear mount isolators. If your motorcycle has high mileage, replacing hardened rubbers prevents engine vibration transfer to the fuel tank seams.
- Seals & Gaskets: When transferring your fuel tap or pump module, install a fresh fuel-resistant Viton washer or O-ring and apply a thread sealant paste to guarantee a drip-free union.
- Paint Care: After mounting, treat the gunmetal grey om paint with a coat of high-grade carnauba paste wax or ceramic detailer to create a protective barrier against road grime and petrol staining.
Frequently Asked Questions
What is the fuel tank reserve capacity for the Classic 350 BS6?
The BS6 EFI petrol tank has a total volume of 13.5 litres with an effective reserve capacity of approximately 2.5 to 3.0 litres to ensure the internal high-pressure electric fuel pump remains fully submerged and cooled.
Will this tank fit other Royal Enfield models?
No. Fuel tank mountings and dimensions vary significantly between Royal Enfield generations. Please check the Compatibility section above to ensure exact model match for your motorcycle.
Does this tank come with the cap, tap, and badges?
No. This is the steel tank body only. You simply transfer your original fuel cap, fuel tap / pump module, and tank badges from your existing tank.
What colour options are available?
This listing is for the Gunmetal Grey OM finish. We also stock other factory-matched shades in our Royal Enfield category.
Is the paint quality durable against petrol spills?
Yes. The tank is finished with automotive polyurethane enamel and a resilient clear coat. For best longevity, wipe away fuel drips immediately during fill-ups.
Do you offer free shipping?
Yes. Free shipping across India.
Shipping
Free shipping across India. Dispatch in 2-3 business days, delivery in 5-7 business days. The tank is packed in a heavy double-box with foam padding to prevent damage during transit.
Technical Specifications & Vehicle Fitment
- Part / OEM Code: AUTOSS-18337
- Compatible Two-Wheelers: ROYAL ENFIELD SPARE PARTS, Bike Petrol Tanks ROYAL ENFIELD
- Brand / Specification: Autoss OEM Replacement
Fitment & Shipping FAQs
Q: Which bike models fit ROYAL ENFIELD Petrol Tank for 350 BS6 Gun Metal GREY OM (AUTOSS-18337)?
This ROYAL ENFIELD Petrol Tank for 350 BS6 Gun Metal GREY OM (Part/OEM Reference: AUTOSS-18337) is designed for compatible fitment with ROYAL ENFIELD SPARE PARTS, Bike Petrol Tanks ROYAL ENFIELD. Please verify the mounting points and connector profile in the product photos before ordering.
Q: What is the catalog part number and brand for ROYAL ENFIELD Petrol Tank for 350 BS6 Gun Metal GREY OM?
The catalog reference code / MPN is AUTOSS-18337 under Autoss OEM Replacement, supplied by Autoss.in (Elegant Innovations).
Q: What are the shipping timelines across India on Autoss.in?
All spare parts on Autoss.in are carefully packed and shipped pan-India through tracked courier partners including Delhivery, Xpressbees, and iCarry.
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