Royal Enfield Oil Filter Cap O-Ring RLN00015/A for J-Series 350

Royal Enfield RLN00015/A Oil Filter Cap O-Ring is a genuine sealing O-ring used at the oil filter cap / oil filter cover area on compatible Royal Enfield 350cc J-Series engines. This small seal plays an important role during every oil filter replacement because it helps prevent oil seepage from the oil filter cap joint after servicing.

If the old O-ring has become flattened, hardened, cut, swollen, reused too many times, or disturbed during an oil filter change, replacing it with the correct genuine Royal Enfield O-ring helps restore proper sealing. It is a smart add-on part for oil filter replacement, 500 km service, periodic engine oil service, workshop maintenance, and DIY service jobs.

This listing is made specifically for buyers looking for the correct Royal Enfield J-Series oil filter cap O-ring, not a random universal rubber ring. Use it only where part number RLN00015/A or RLN00015 is specified for the oil filter cap assembly.

Key Features

• Genuine Royal Enfield spare part
• Part number: RLN00015/A
• Factory description: Cap Oil Filter O-Ring
• Used at the oil filter cap / oil filter cover sealing area
• Suitable for compatible Royal Enfield 350cc J-Series engines
• Helps prevent oil seepage after oil filter replacement
• Recommended during oil filter change, first service, periodic service, and engine maintenance
• Correct OE-style seal compared with generic universal O-rings
• Useful for workshops, service counters, touring riders, and DIY maintenance kits

Buyer Search Names / Internal Search Keywords

Customers may also search this item as: Royal Enfield oil filter O-ring, J-Series oil filter cap O-ring, Classic 350 Reborn oil filter O-ring, Meteor 350 oil filter cover seal, Hunter 350 oil filter cap seal, Bullet 350 J-Series oil filter O-ring, Goan Classic 350 service O-ring, RLN00015A, RLN00015/A, oil filter cap rubber ring, engine oil filter cover O-ring.

Verified Compatibility

Important Fitment Note

This listing is for the oil filter cap O-ring only. It is not an oil filter, not an engine oil strainer O-ring, not a crankshaft hole plug O-ring, not a cam cover gasket, and not a complete service kit.

Do not order for Classic 350 UCE, Bullet 350 UCE, Electra, Standard, Thunderbird, Himalayan 411, Scram 411, Interceptor 650, Continental GT 650, Super Meteor 650, Shotgun 650, Bear 650, Himalayan 450, Guerrilla 450, or any other motorcycle unless the parts catalogue confirms RLN00015/A for that exact oil filter cap assembly.

When Should This O-Ring Be Replaced?

• During oil filter replacement
• During 500 km / first service on J-Series 350 motorcycles
• During periodic engine oil service
• If oil seepage is visible around the oil filter cap
• If the old O-ring is flattened, swollen, cracked, hardened, cut, or missing
• If the oil filter cover has been opened and the seal condition is doubtful
• When building a complete service kit for J-Series 350 models

Why This Part Matters

The oil filter cap O-ring is a low-cost part, but it protects an important sealing point in the engine lubrication system. Reusing an old or damaged O-ring may lead to oil sweating, seepage, or repeat opening of the oil filter cap. Replacing it during service helps avoid unnecessary mess, repeat labour, and customer complaints after an oil change.

For workshops, keeping this O-ring in stock is useful because oil filter service on J-Series 350 motorcycles commonly requires checking or renewing this seal.

What’s in the Box

1 x Royal Enfield Cap Oil Filter O-Ring – RLN00015/A

Installation Notes

• Install only on a clean oil filter cap / cover sealing groove.
• Remove old oil, dust, gasket residue, and dirt before fitting.
• Lightly lubricate the O-ring with clean engine oil before installation if required.
• Do not pinch, twist, stretch excessively, or cut the O-ring during fitting.
• Tighten oil filter cap bolts as per the correct service manual torque specification.
• After starting the motorcycle, check the oil filter cap area for leakage.

Return-Prevention Note

Order only if your motorcycle requires RLN00015/A Cap Oil Filter O-Ring. Several Royal Enfield service seals look similar but are not interchangeable. Match the exact part number and application before purchase.

FAQs

What is RLN00015/A?

RLN00015/A is a genuine Royal Enfield oil filter cap O-ring used at the oil filter cap / cover sealing area on compatible 350cc J-Series engines.

Does this fit Meteor 350?

Yes, it is suitable for Meteor 350 models where the oil filter cap O-ring part number is RLN00015/A.

Does this fit Classic 350 Reborn?

Yes, it is suitable for Classic 350 Reborn / J-Series applications where RLN00015/A is specified.

Does this fit Hunter 350?

Yes, it is suitable for Hunter 350 applications where the same oil filter cap O-ring part number is specified.

Does this fit the new Bullet 350 J-Series?

Yes, it is suitable for new Bullet 350 J-Series applications where RLN00015/A is specified.

Is this an oil filter?

No. This listing is for the oil filter cap O-ring only. The oil filter is sold separately.

Should I replace this during every oil filter change?

It should be inspected during every oil filter change and replaced if flattened, hardened, swollen, cut, damaged, or leaking. Many workshops prefer replacing it during service to prevent oil seepage.

Can I use a universal O-ring?

A universal O-ring may look similar but may not match the correct profile, oil resistance, or sealing fit. Using the genuine Royal Enfield part is safer for a proper service job.

Is this a genuine Royal Enfield part?

Yes. This listing is for genuine Royal Enfield part number RLN00015/A.