Hero Glamour BS6 / Glamour XTEC / Super Splendor FI BS6 Cylinder Kit | Genuine Block Piston Kit | K12121AANNB01S

Hero Glamour BS6 / Glamour XTEC / Super Splendor FI BS6 Cylinder Kit – K12121AANNB01S

Restore engine compression and rebuild a worn or damaged cylinder section with the Hero Genuine Cylinder Kit K12121AANNB01S. This genuine Hero engine kit is confirmed for selected Glamour BS6, Glamour FI BS6, Glamour XTEC, Glamour Techno OBD2 and Super Splendor FI BS6 applications where this exact part number is specified.

This product is commonly searched as Glamour BS6 cylinder kit, Glamour XTEC block piston kit, Super Splendor BS6 cylinder kit, Super Splendor FI bore kit, Hero 125cc cylinder kit, block piston assembly, engine bore kit and K12121AANNB01S.

What This Product Is

• Hero Genuine engine cylinder kit
• Official parts description: CYLINDER KIT
• Part number / MPN: K12121AANNB01S
• Common market name: Cylinder kit / block piston kit / bore kit / block piston assembly
• Application area: Engine cylinder and piston section
• Quantity reference: 1 kit

Key Benefits

• Genuine Hero MotoCorp engine-rebuild component
• Designed for the matching Glamour and Super Splendor fuel-injected BS6 engine applications
• Useful for diagnosed compression loss, worn cylinder bore, piston damage, excessive oil consumption, smoke, piston slap or major engine overhaul
• Helps restore proper compression and engine performance when installed with serviceable related components
• Exact-SKU selection provides better fitment accuracy than choosing a generic 125cc bore kit
• Current exact-SKU market price reference: ₹3,250

Confirmed Compatibility

• Hero Glamour FI BS6 — March 2020
• Hero Glamour FI iBS BS6 — January 2021
• Hero Glamour XTEC — July 2021
• Hero Glamour BS6 Techno OBD2 — January 2023
• Hero Glamour 125cc FV BS6 — August 2023
• Hero Super Splendor FI BS6 — February 2020

Use this kit only where K12121AANNB01S is confirmed. Do not assume compatibility with carburettor Glamour, older Super Splendor, XTEC 2.0, Xtreme 125R, Passion XPro, Honda 125cc motorcycles or other visually similar engines without EPC confirmation.

Critical Fitment and Return-Prevention Note

Before ordering, match K12121AANNB01S with the existing packet, old component or Hero EPC/VIN record. Also verify the motorcycle model, model year, engine family, BS6/OBD generation, cylinder design, piston specification and gasket arrangement.

Do not confuse this SKU with similar Hero cylinder kits such as:

• K12121AANNB00S
• K12121AANNB02S
• K12121AANF410S
• Other Hero Glamour or Super Splendor cylinder-kit revisions

These part numbers may look similar but can differ by engine revision, piston/cylinder specification, emission generation or model-year application.

Kit Contents

This product is identified as a CYLINDER KIT. The exact bill of materials for K12121AANNB01S is not published clearly in the reliable exact-SKU sources reviewed. Only the components physically present inside the sealed Hero package should be promised as included.

What You Will Receive

• 1 × Hero Genuine Cylinder Kit
• Part number: K12121AANNB01S
• Only the components supplied inside the sealed Hero kit
• Cylinder head, valves, camshaft, crankshaft, connecting rod, timing chain, clutch parts, engine oil, labour and unrelated overhaul components are not included unless physically packed and explicitly mentioned

Technical Details

Installation Note

Professional engine installation is strongly recommended. Before assembly, inspect the cylinder head, valves, connecting rod, crankshaft play, oil pump, cam chain, guides, tensioner, studs, mating surfaces and lubrication system. Confirm piston orientation, ring gaps, timing marks, tightening sequence, torque values and valve clearance before starting the engine.

Buyer-Focused FAQs

Q1. What is Hero part number K12121AANNB01S?
It is a Hero Genuine Cylinder Kit for selected Glamour BS6, Glamour XTEC and Super Splendor FI BS6 applications.

Q2. Does it fit Glamour XTEC?
Yes, the July 2021 Glamour XTEC application is specifically listed. Confirm the exact year and EPC part number because later revisions may use a different cylinder kit.

Q3. Does it fit Super Splendor BS6?
It is confirmed for Super Splendor FI BS6 February 2020 where this exact SKU is specified.

Q4. Does it fit every Glamour or Super Splendor?
No. These model families use multiple engine and cylinder-kit revisions. Match the exact part number before ordering.

Q5. Are piston, rings, pin, clips and gaskets included?
Do not promise individual contents until the sealed Hero package is checked because the exact public BOM for this SKU is not clearly published.

Q6. Should a mechanic install it?
Yes. Cylinder-kit replacement requires precision engine assembly, timing, measurements, lubrication and torque procedures.