Royal Enfield Classic 350/500, Bullet 350/500 & Electra UCE Fuel Tank Cap with Keys 888377 BIG TANK

Genuine Royal Enfield 888377 fuel tank cap assembly with keys for Classic, Bullet and Electra UCE big-tank models where the old cap or parts catalogue confirms this part number.

Detailed Product Description

Royal Enfield 888377 Fuel Tank Cap Assembly with Keys is a genuine Royal Enfield petrol tank cap / fuel tank lock assembly for catalogue-matched UCE big-tank motorcycles.

It is commonly searched as Classic 350 fuel tank cap, Classic 500 fuel cap with key, Bullet 350 petrol tank lock, Bullet 500 tank cap, Electra UCE fuel cap, tank lock with key or Royal Enfield 888377.

This is the locking fuel tank cap assembly supplied with keys. It is used when the existing fuel tank cap is damaged, jammed, missing, loose, leaking through the cap area or when the lock/key operation has failed.

What This Product Is

• Genuine Royal Enfield spare part
• Part number: 888377
• Factory description: Fuel Tank Cap Assembly with Keys BVI FLI
• Locking petrol / fuel tank cap assembly
• Supplied with keys as per the genuine cap assembly
• Used on catalogue-matched UCE big-tank Royal Enfield motorcycles
• Replacement for worn, damaged, jammed or missing fuel tank cap assemblies

What This Product Is Not

• Not a fuel tank
• Not a complete lock set
• Not an ignition switch assembly
• Not a steering lock assembly
• Not a side box / toolbox lock
• Not a common-key kit for the complete motorcycle
• Not a fuel pump, fuel filter, fuel hose, petrol tap or fuel sender unit
• Not for all Royal Enfield models or all fuel tanks

Key Features

• Original Royal Enfield part number 888377
• Factory-listed as Fuel Tank Cap Assembly with Keys BVI FLI
• Designed for compatible UCE big-tank fuel filler necks
• Includes locking cap and keys as supplied in the assembly
• Helps restore fuel tank closing, locking and sealing function
• Useful replacement when the old cap lock is jammed, broken or key is lost
• Correct replacement only when the old part number / cap style matches 888377

Buyer Search Names / Internal Search Keywords

Royal Enfield 888377, Classic 350 fuel tank cap, Classic 500 fuel cap with key, Bullet 350 petrol tank cap, Bullet 500 fuel tank lock, Electra 350 UCE fuel cap, tank lock with keys, petrol tank lock, locking gas cap, UCE big tank cap, fuel tank cap assembly with keys, BVI FLI fuel tank cap.

Confirmed Compatibility Table

Fitment Not Confirmed / Check Before Ordering Table

Not Compatible / Do Not Order For

• Classic 350 Reborn / J-Series
• Bullet 350 J-Series / new Bullet 350
• Meteor 350
• Hunter 350
• Goan Classic 350
• Himalayan 411 / Himalayan 410
• Scram 411
• Himalayan 450
• Guerrilla 450
• Interceptor 650
• Continental GT 650
• Super Meteor 650, Shotgun 650, Bear 650 or Classic 650
• Thunderbird 350 / Thunderbird 500 if the motorcycle requires the New Thunderbird fuel cap style such as 888057
• Any motorcycle where the old cap style or parts catalogue does not match 888377

Part Number / Supersession Notes

• Confirmed part number: 888377
• Factory description: Fuel Tank Cap Assembly with Keys BVI FLI
• No later suffix was confirmed for this part number in the checked public sources.
• Do not interchange with ignition switch, steering lock, toolbox lock, common key kit or Thunderbird-style fuel cap assemblies unless the parts catalogue confirms it.

Similar Parts Comparison

When Should This Be Replaced?

• Fuel tank cap lock is jammed or not turning smoothly
• Key is lost and the fuel tank cap cannot be opened normally
• Fuel cap is damaged, loose, rusted or not closing properly
• Fuel smell or leakage is noticed from the cap area after confirming the cap is the cause
• Old fuel cap assembly part number or style matches 888377

Recommended Related Parts to Check

• Fuel tank filler neck condition before fitting the new cap
• Fuel tank rubber seal / sealing surface condition
• Ignition switch and steering lock only if matching-key operation is required
• Fuel hose, petrol tap or fuel sender only if the complaint is fuel supply related, not cap related
• Painted fuel tank condition around the cap area to avoid scratches during fitting

What’s in the Box

• 1 unit genuine Royal Enfield fuel tank cap assembly
• Keys supplied with the cap assembly
• Fuel tank, ignition switch, steering lock, side box lock, fuel pump, fuel hose and complete lock kit are not included unless separately mentioned

Installation Notes

• Match the old cap style and filler neck before installation.
• Keep the new cap keys safely; they may not match the existing ignition or steering lock key.
• Check that the cap closes, locks and seals properly after fitting.
• Do not force the lock mechanism if the cap is not sitting correctly.
• Professional installation is recommended if the old cap is jammed, broken or stuck on the tank.

Return-Prevention Note

Order this part only if the required part is 888377 Fuel Tank Cap Assembly with Keys BVI FLI.

This is not a complete lock set and will not automatically match the existing ignition / steering lock key. It is not for J-Series, Himalayan, 450, 650 or Thunderbird-style fuel cap applications unless the exact catalogue confirms 888377. Always match the old cap style, tank filler neck and part number before ordering.

FAQs

What is Royal Enfield 888377?

888377 is a genuine Royal Enfield fuel tank cap assembly with keys, factory described as Fuel Tank Cap Assembly with Keys BVI FLI.

Does this fit Classic 350?

It fits Classic 350 UCE / pre-Reborn Classic 350 where the parts catalogue or old cap confirms 888377. It is not for Classic 350 Reborn / J-Series.

Does this fit Classic 500?

It fits Classic 500 EFI / UCE where the catalogue or old cap confirms 888377.

Does this fit Bullet 350 UCE?

Yes, it is listed for Bullet 350 UCE KS / ES where 888377 is specified.

Does this fit Electra 350 UCE?

Yes, it is listed for Electra 350 UCE ES where 888377 is specified.

Does this fit Bullet 500?

Use it for Bullet 500 UCE / BSIII only where the old cap or exact parts catalogue confirms 888377.

Will the key match my existing ignition key?

No. This cap assembly comes with its own keys. It may not match the existing ignition switch, steering lock or toolbox lock key.

Is this a complete lock kit?

No. This is only the fuel tank cap assembly with keys. Ignition switch, steering lock and other locks are not included.

Does this fit Classic 350 Reborn or new Bullet 350 J-Series?

No. Do not order for J-Series models unless the exact parts catalogue confirms 888377.

Does this fit Thunderbird?

Do not order for Thunderbird unless the exact catalogue confirms 888377. Many Thunderbird fuel cap applications use a different cap style and part number.