Royal Enfield
Royal Enfield Old Bullet 350 Electra 4S/5S Spark Plug 141148
Royal Enfield Old Bullet 350 Electra 4S/5S Spark Plug 141148
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Please order only after confirming the part number, model, variant, year, side, connector type and compatibility. All orders are non-cancellable once placed. Correctly shipped spare parts are not eligible for return, exchange or refund due to wrong selection, wrong diagnosis, fitment mismatch, mechanic recommendation or change of mind. Electrical/electronic items are additionally non-returnable once opened, installed, plugged in, tested or used. Wrong item, damaged item or missing item claims require a complete unboxing video within 24 hours. Read full Return & Warranty Policy
Royal Enfield Old Bullet 350 Electra 4S/5S Spark Plug 141148
Royal Enfield 141148 Spark Plug is a genuine Royal Enfield spark plug for selected old Royal Enfield 350cc carburetted applications where this exact part number is specified.
This part is commonly searched as 141148, PS141148, Royal Enfield spark plug, old Bullet 350 spark plug, Electra 4S spark plug, or Electra 5S spark plug. Use it only when the old plug, service manual, EPC, packet label or repair estimate confirms 141148.
This is not a universal Royal Enfield spark plug. Spark plugs can vary by engine generation, heat range, thread reach, resistor/non-resistor type and fuel system. Do not sell this for UCE, J-Series, Himalayan, 450, 650 or newer Royal Enfield motorcycles by brand name alone.
What This Product Is
- Genuine Royal Enfield spare part
- Part number: 141148
- Common seller reference: PS141148
- Description: Spark Plug
- Part type: ignition / engine service part
- Application type: selected old Royal Enfield 350cc applications where 141148 is specified
- Reference selling price used in CSV: ₹97
What This Product Is Not
- Not a universal spark plug for every Royal Enfield motorcycle
- Not automatically suitable for all 350cc Royal Enfield models
- Not a spark plug cap
- Not an HT coil or ignition coil
- Not an HT lead / plug wire
- Not a CDI / TCI / ECU part
- Not a decompressor, points plate or ignition switch
- Not for Classic 350 Reborn, Bullet 350 J-Series, Meteor, Hunter, Himalayan, Scram, 450 or 650 models unless exact EPC confirms 141148
- Not to be selected by thread size or visual appearance alone
Key Features
- Original Royal Enfield part number 141148
- Factory description: Spark Plug
- For old Bullet 350 / Deluxe / Machismo / Campus / Electra 4S-5S applications where specified
- Useful during periodic service, ignition diagnosis or old plug replacement
- Supports buyer searches using old Bullet spark plug, Electra spark plug and Royal Enfield spark plug terms
- Strong return-prevention against wrong engine generation, wrong heat range and newer-model confusion
Buyer Search Names / Internal Search Keywords
Royal Enfield 141148, PS141148, spark plug, Royal Enfield spark plug, old Bullet 350 spark plug, Bullet Standard 350 spark plug, Deluxe spark plug, Machismo spark plug, Campus spark plug, Electra 4S spark plug, Electra 5S spark plug, old Royal Enfield ignition plug, carburetted Bullet spark plug.
Confirmed Compatibility / Safe Fitment
| Model / Application | Part Type | Status | Dispatch Note |
|---|---|---|---|
| Bullet 350 old model | Spark plug | Supported by seller/model-list reference | Confirm old engine setup and plug specification before dispatch. |
| Deluxe old model | Spark plug | Supported by seller/model-list reference | Use only where 141148 is specified. |
| Machismo old model | Spark plug | Supported by seller/model-list reference | Confirm old plug and ignition setup. |
| Campus old model | Spark plug | Supported by seller/model-list reference | Match old part / EPC before dispatch. |
| Electra 4S-KS / Electra 4S-ES | Spark plug | Supported by seller/model-list reference | Confirm exact plug part number before dispatch. |
| Electra 5S-KS / Electra 5S-ES | Spark plug | Supported by seller/model-list reference | Check plug specification and old part number. |
| Applications listing 141148 | Spark Plug | Confirmed product identity | Exact part-number match is safest. |
Check Before Dispatch / Do Not Assume
| Customer Model / Requirement | Status for 141148 | Why |
|---|---|---|
| Bullet 350 UCE / Electra UCE | Do not assume | UCE-era plugs can vary by year, ignition/fuel system and service specification. |
| Classic 350 / Classic 500 UCE | Do not assume | Classic/UCE service plugs may differ from old Bullet/Electra 141148 references. |
| Classic 350 Reborn / New Bullet 350 / Meteor / Hunter | Not this part unless EPC confirms | J-Series motorcycles use different service parts and part numbers. |
| Himalayan / Scram / 450 / 650 models | Not this part unless EPC confirms | Different engine platforms and spark plug specifications. |
| Customer asks for spark plug cap | Not this part | Plug cap is separate from spark plug. |
| Customer asks for ignition coil / HT coil | Not this part | Ignition coil is separate from spark plug. |
| Customer selects by “fits 350cc” only | Do not dispatch | 350cc engine size alone does not confirm spark plug specification. |
Similar Parts Comparison
| Part / Search Term | Description / Use | Order When |
|---|---|---|
| 141148 | Spark Plug | Old Bullet/Deluxe/Machismo/Campus/Electra application confirms this part number. |
| Spark plug cap | Cap fitted to HT lead on top of spark plug | Cap is cracked/loose/faulty, plug itself is not the requirement. |
| HT lead / plug wire | Ignition wire from coil/cap area | Wire is damaged or weak. |
| Ignition coil / HT coil | Electrical ignition component | No spark/weak spark diagnosis points to coil, not plug. |
| J-Series spark plug | Newer 350 platform service part | Classic Reborn/Meteor/Hunter/new Bullet requires its own exact part number. |
| 450 / 650 spark plug | Different engine platform service plug | Himalayan 450 / Guerrilla 450 / 650 motorcycles require exact EPC service part. |
When Should This Be Replaced?
- Routine periodic service where 141148 is specified
- Old spark plug is fouled, worn or damaged
- Motorcycle has hard starting, misfire or rough idle after proper diagnosis
- Plug electrode condition indicates replacement is required
- Ignition diagnosis confirms plug replacement before replacing coil or wiring
- Old part / service manual / EPC / repair estimate confirms 141148
Recommended Related Parts to Check
- Spark plug cap tightness and condition
- HT lead / plug wire condition
- Ignition coil output if spark remains weak
- Carburettor tuning and air-fuel mixture on old carburetted models
- Air filter condition
- Battery and charging health if ignition problems continue
- Correct plug gap as per service manual before installation
What’s in the Box
- 1 genuine Royal Enfield 141148 Spark Plug
- Quantity supplied is one spark plug unless otherwise mentioned on the physical packet
- Spark plug cap, HT lead, ignition coil, tools, gasket washers beyond the plug’s supplied washer and other ignition parts are not included unless physically supplied with the packet
Installation Notes
- Confirm the old plug specification and part number before opening the packet.
- Check plug gap as per the motorcycle service manual before installation.
- Install only on a cool engine to avoid thread damage.
- Start threading by hand first to prevent cross-threading the cylinder head.
- Tighten to the correct torque/specification; do not overtighten.
- After installation, check plug cap fitment and engine idle/throttle response.
Return-Prevention Note
Important: 141148 is a Spark Plug for selected old Royal Enfield applications where this exact part number is specified. It is not universal and should not be sold only because the bike is “Bullet,” “Electra,” or “350cc.” Match exact part number, engine generation, plug specification, heat range/thread/reach requirement and service manual/EPC before ordering.
FAQs
What is Royal Enfield 141148?
141148 is a genuine Royal Enfield Spark Plug.
Does this fit old Bullet 350?
Old Bullet 350 is supported by seller/model-list references. Confirm exact plug specification and part number before dispatch.
Does this fit Electra 4S/5S?
Electra 4S-KS/ES and Electra 5S-KS/ES are supported by model-list references. Confirm old part or service manual before dispatch.
Does this fit Classic 350 Reborn or Meteor 350?
No fitment is claimed. J-Series motorcycles use different service parts and must be matched separately.
Is this a spark plug cap?
No. This is the spark plug itself. Spark plug cap and HT lead are separate parts.
Can I order this because my bike is 350cc?
No. Engine capacity alone is not enough. Confirm part number and spark plug specification.
Will it solve starting or misfire issues?
Only if the spark plug is the fault. Starting and misfire issues can also be caused by plug cap, HT lead, ignition coil, carburettor tuning, air filter, wiring, battery or compression problems.
Does it include installation tool?
No tool is included unless physically supplied with the packet.
SEO Tags
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Image Filename Suggestions
- royal-enfield-141148-old-bullet-350-spark-plug.jpg
- royal-enfield-electra-4s-5s-spark-plug-141148.jpg
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Image Alt Text Suggestions
- Royal Enfield 141148 spark plug for old Bullet 350 Electra 4S 5S
- Genuine Royal Enfield spark plug 141148 for Deluxe Machismo Campus applications
- Royal Enfield old Bullet spark plug 141148 not universal spark plug
Google Shopping Notes
- Brand: Royal Enfield
- MPN: 141148
- Condition: New
- Product category: Vehicles & Parts > Vehicle Parts & Accessories > Motor Vehicle Parts
- Custom product: False
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Verify Fitment on Official Brand Portals
Verify Fitment on Official Brand Portals
For selected genuine spare parts, you can cross-check the part number on the official brand portals before ordering.
Royal Enfield Official Spares Portal
Hero MotoCorp Official eCatalogue