Royal Enfield 145375/A – Common Key Lock Set AC/DC (Ignition, Steering, Tank, Toolbox & Battery Locks) for Bullet 350/500 Old Model, Thunderbird & Standard 350 (2009–2013)

Royal Enfield part 145375/A is the genuine COMMON KEY SET AC/DC IMP. STG. LCK / KIT SERRURES – the full lock kit with all locks on one common key for old-model Bullets. COMMON KEY SET AC/DC IMP. STG. LCK 145375/A”, and the French RE microfiche calls the same number “KIT SERRURES” (lock kit), confirming it’s the complete OE lock set.

Royal Enfield Complete Lock Kit” that fits all 350cc and 500cc Royal Enfield manufactured before September 2002, with old part no. 145052, and lists the contents: ignition lock, handle/steering lock, petrol tank lock, left & right toolbox locks, battery box lock and common keys engraved ‘ROYAL ENFIELD’. The Spares Company lists the same number as “COMMON KEY SET AC/DC IMP. STG. LCK (145375-A)” for Bullet 350 (1955), Deluxe (1986), Machismo (1989), Campus (1997).

This kit is ideal when your ignition, steering, tank and toolbox locks are all mixed-key or worn out – you replace everything once and get one key for the entire bike, just like factory.

🔴 Not for UCE/J-Series, Himalayan or 650 Twins. Only for confirmed old-model Bullet / Thunderbird / Standard CI platforms (see table).

Key Features

• Official Royal Enfield lock kit – Bike-Parts-RE: “COMMON KEY SET AC/DC IMP. STG. LCK 145375/A”; RE France microfiche: “KIT SERRURES 145375/A” (genuine lock kit).

• Fits all 350cc & 500cc Royal Enfields manufactured before Sept 2002, old part no. 145052; includes ignition, steering, tank, toolbox (L/R) & battery locks with common keys.

• Indian OE sellers confirm usage on Bullet Old Model Left Hand Brake, Old Model 5-Speed and Standard 350 (2009–2013).

• Export listings show 145375/A as common key lock set for Bullet 350/500 & Thunderbird 350 – perfect for restoration and security upgrades.

• Common key convenience – one key operates ignition, steering, petrol tank, toolboxes and battery box (no more juggling multiple keys).

• Keys are engraved “ROYAL ENFIELD”, preserving original look and feel on classic CI Bullets.

• Great for stolen/damaged lock replacement, key loss situations, export builds and full restorations.

• Quality OE/OE-pattern metal construction for smooth operation and theft resistance when installed correctly.

Compatibility Table

*Years are approximate families based on dealer descriptions, not exact VIN cut-offs.
**Standard 2009–2013 explicitly mentioned by multiple Indian sellers as compatible.

CHECK PART NUMBER BEFORE PURCHASE 

❌ Not Claimed / Not Guaranteed

To keep returns low, we do not guarantee plug-and-play fitment on:

• Bullet / Classic / Electra / Thunderbird UCE

• All J-Series (new Classic 350, new Bullet 350, Hunter, Meteor)

• Himalayan 411/450, Scram/Guerrilla 450

• 650 Twins (Interceptor / Continental GT / Super Meteor / Shotgun / Bear)

Lock locations, brackets and barrels are different on these bikes. Use only if a trusted mechanic confirms physical match as a custom retrofit.

Variants

From references:

• 145375/A – Common Key Set AC/DC IMP. STG. LCK / KIT SERRURES – current Royal Enfield part.

• Old part number: 145052, 

On underthehood.co.in, keep one SKU:

• Variant: Complete Lock Kit – 145375/A (Common Key Set – Ignition, Steering, Tank, Toolboxes & Battery)

FAQs

Q1. What exactly is included in lock kit 145375/A?
145375/A as a complete lock kit consisting of: ignition lock, steering/handle lock, petrol tank lock, left & right toolbox locks, battery box lock, plus common keys engraved “ROYAL ENFIELD”.

Q2. Which bikes are confirmed to use 145375/A?
Dealer and OE sellers confirm it for Bullet 350/500 old model (CI), Deluxe, Machismo, Campus, Bullet Old Model 5-Speed, Standard 350 (2009–2013) and old-model Thunderbird 350. 

Q3. Will this work on my Classic 350/500 UCE or new Classic 350 (J-Series)?
No OEM catalogue or serious dealer lists 145375/A for UCE or J-Series bikes. Their frames, steering yokes and fuel caps use different locks and key shapes, so we do not guarantee fitment there. Use it only for old-model CI Bullets / Thunderbird / Standard CI as per the table.

Q4. What does “common key set AC/DC IMP. STG. LCK” mean?
It simply indicates a “common key set” (all locks operated by a single key), suitable for AC/DC charging system Bullets, and includes the steering lock as part of the kit. It’s an OE-style security upgrade and convenience package in one.

Q5. Is 145375/A genuine Royal Enfield or aftermarket?
145375/A as a certified original Royal Enfield part, while several sellers also offer OE-pattern (Minda/EnfieldGP) kits referencing the same number. Your listing can mention: “Genuine or OEM-equivalent depending on batch, always matched to RE part no. 145375/A.”