Gearbox Main Bearing Oil Seal for Royal Enfield Bullet 350/500 & Electra 4S | 110262/1 | Genuine OEM

Royal Enfield 110262/1 is a Genuine OEM OIL SEAL used in the gearbox main bearing sealing application on select legacy Royal Enfield Bullet/Electra-era motorcycles. If you’re seeing gearbox oil seepage, oily dirt buildup near the gearbox area, or you’re doing a gearbox overhaul/restoration, replacing the oil seal is a high-value preventive step—small part, big impact on cleanliness and oil retention.

This part is commonly searched and sold as “Gear Box Oil Seal 110262/1”, and it’s important to use the correct OEM-spec seal to avoid repeat leakage due to incorrect size or lip quality. 

Part number clarity: Some catalogs show 110262/A as the replacement/supersession for 110262/1. If you receive 110262/A against 110262/1, it is typically the updated OEM reference. 

Key Features 

• Genuine Royal Enfield oil seal – Part No. 110262/1

• Identified in technical references as “OIL SEAL, GEARBOX MAIN BEARING” 

• Helps prevent gearbox oil leakage and contamination buildup

• Best practice replacement during gearbox rebuild / restoration

• OEM-spec fit reduces repeat seepage risk vs generic seals

• Supersession note: 110262/A listed as replacement for 110262/1

• Sold as 1 piece (order quantity as required) 

Compatibility Table 

PLEASE CHECK PART NUMBER BEFORE PURCHASE 

Not listed (avoid wrong orders): UCE (Classic/Electra/Thunderbird UCE), J-Series (Classic Reborn/Meteor/Hunter/Bullet J), 650 Twins, Himalayan/Scram/450—only add if your microfiche maps to 110262/1.

Variants

• 110262/1 (this listing) 

• 110262/A (OEM replacement reference for 110262/1; list as “superseded by” if you stock it)

FAQs 

1) What is 110262/1 used for?
It’s an oil seal used in the gearbox main bearing sealing application on the confirmed legacy models.

2) I received 110262/A instead of 110262/1—wrong part?
Many catalogs show 110262/A as the replacement part number for 110262/1, so it’s generally the updated OEM reference. 

3) Does this fit Classic 350 UCE / Classic Reborn / Meteor 350?
Not confirmed for this part number in the verified fitment list. Order only if your fiche shows 110262/1.

4) When should I replace it?
During gearbox rebuild/service, or if you notice seepage around the gearbox area (confirm exact leak source).

5) Is it sold as a set?
No—this is typically sold as 1 piece.