Hero Genuine Speed Sensor Assembly for HF 100, HF Deluxe, Splendor Plus, Pleasure Plus, Passion Pro, Destini 125, Xoom, Maestro Edge 125 & Karizma XMR | 37700ABH501S

Hero Genuine Speed Sensor Assembly – 37700ABH501S

Restore accurate vehicle-speed detection and dependable speedometer operation with the Hero Genuine Speed Sensor Assy, part number 37700ABH501S. This model-specific electronic speed sensor is used on compatible Hero HF 100, HF Deluxe, Splendor Plus, Pleasure Plus, Passion Pro, Destini 125, Xoom, Maestro Edge 125, Karizma XMR and related applications.

The sensor detects rotational or vehicle-speed information from the model-specific drive or wheel-speed mechanism and converts it into an electrical signal for the instrument cluster and related vehicle-control systems. A damaged, contaminated, open-circuit, short-circuit or incorrectly matched sensor can contribute to an inaccurate or non-working speedometer, intermittent speed display, incorrect distance recording or a related diagnostic fault.

This is a vehicle speed sensor assembly. It is commonly called a speed sensor, wheel-speed sensor, VSS, electronic speedometer sensor or speed-pickup sensor. It must not be confused with a mechanical speedometer cable, ABS wheel-speed sensor, engine crank-position sensor, side-stand sensor or complete instrument cluster.

What This Product Is

• Hero Genuine electronic speed sensor assembly
• Official description: Speed Sensor Assy
• Hero part number: 37700ABH501S
• Catalogue-format part number: 37700-ABH-501
• Common buyer names: vehicle speed sensor, wheel-speed sensor, VSS, speedometer sensor and speed pickup
• Primary function: detects and transmits vehicle-speed information
• System: electronic speedometer and related vehicle-control circuit
• Supply form: one manufacturer-packed sensor assembly

Key Features

• Genuine Hero electronic sensing component
• Designed to provide an accurate speed signal on compatible models
• Supports correct digital or electronic speedometer operation
• Supports accurate distance and odometer calculation where used by the vehicle system
• Model-specific sensor body, cable, connector and signal configuration
• Suitable replacement when the existing sensor is diagnostically confirmed faulty or physically damaged
• Built for normal vibration, heat, moisture and road-use conditions
• Better fitment confidence than selecting a universal sensor by appearance
• One speed sensor assembly supplied
• Current Hero MRP reference: ₹355 inclusive of taxes

Confirmed Compatibility

Exact Model and Generation References

• Hero Maestro Edge 125 BSVI (July, 2021)
• Hero Maestro Edge 125 BSVI (Aug, 2021)
• Hero Pleasure Plus (Oct, 2021)
• Hero HF Deluxe i3S BSVI (Mar, 2022)
• Hero Destini 125 (Mar, 2022)
• Hero Pleasure Plus 110 (July, 2022)
• Hero HF Deluxe (Dec, 2022)
• Hero HF 100 (Jan, 2023)
• Hero Splendor Plus (Jan, 2023)
• Hero Xoom BS6 FI (Jan, 2023)
• Hero Destini 125 BS6 (Mar, 2023)
• Hero HF Deluxe (Mar, 2023)
• Hero Maestro Edge 125 (Mar, 2023)
• Hero Pleasure Plus XTEC (Mar, 2023)
• Hero Xoom 110 BSVI OBD-II (Apr, 2023)
• Hero Passion-HZ (May, 2023)
• Hero Destini BSVI Prime (Jun, 2023)
• Hero Pleasure Plus 110 (July, 2023)
• Hero Karizma XMR (Sept, 2023)

Official Hero Model-Family Applicability

• Hero HF 100 — only generations whose catalogue specifies 37700ABH501S
• Hero HF Deluxe — compatible later BS6/OBD applications using this SKU
• Hero Splendor Plus — compatible generations using this exact sensor
• Hero The Centennial — official Hero family applicability
• Hero Pleasure Plus / Pleasure Plus 110 / Pleasure Plus XTEC
• Hero Passion Pro family — only exact generations catalogued with this SKU
• Hero Karizma family — confirmed Karizma XMR September 2023 application
• Hero Destini 125 / Destini Prime
• Hero Xoom 110
• Hero Maestro Edge 125

Compatibility Boundary

Hero uses several different speed-sensor part numbers across motorcycles, scooters, emission generations and instrument systems. A shared model name or visually similar connector does not guarantee compatibility.

No automatic compatibility is claimed for:

• Every HF Deluxe, HF 100 or Splendor generation
• Every Passion Pro generation
• Older carburettor models without the matching electronic speed-sensor system
• Hero models using a mechanical speedometer cable
• Any ABS sensor simply because it is also described as a wheel-speed sensor
• Any vehicle whose catalogue specifies another 37700-series part number

Fitment Note / Return Prevention Note

Before ordering, match the complete Hero part number 37700ABH501S or catalogue number 37700-ABH-501 with the vehicle’s chassis/VIN-based speedometer, transmission, wheel or electrical catalogue.

Confirm all of the following:

• Exact vehicle model, variant and production generation
• Sensor mounting location on the specific vehicle
• Electronic speed-sensor requirement
• Sensor body and mounting-tab design
• Cable length and routing
• Electrical connector casing and locking tab
• Connector terminal count and pin arrangement
• Mating drive or sensing mechanism
• Part number printed on the old sensor, pack, invoice or service record

Do Not Confuse It With Other Speed Sensors

Hero uses different speed-sensor assemblies across model generations, instrument systems and vehicle platforms. Similar-looking sensors are not automatically interchangeable. Match the complete part number, mounting arrangement, cable length, connector and chassis/VIN-based catalogue before ordering.

Vehicle Speed Sensor Versus ABS Sensor

This part is listed as the vehicle/wheel speed sensor used for speed detection and speedometer information. Do not assume that it is the ABS wheel-speed sensor. ABS-equipped models can have separate front or rear ABS sensors, sensor rings and wiring.

Diagnosis Before Replacement

An incorrect or missing speed reading can also be caused by:

• Loose or corroded electrical connector
• Broken, pinched or heat-damaged wiring
• Damaged sensor-drive mechanism
• Incorrect sensor air gap or mounting
• Instrument-cluster fault
• Blown fuse or low system voltage
• ECU or body-control fault where applicable
• Damaged ABS ring or separate ABS sensor on ABS-equipped models
• Incorrect tyre or wheel specification affecting displayed speed

Replacing the sensor alone will not repair an unrelated wiring, cluster, drive or ABS-system fault.

Electrical-component return protection: Confirm the exact part number before connecting or installing. Connected, tested, installed, modified, contaminated, physically damaged or used sensors cannot be treated as unused returns.

What You Will Receive

• 1 × Hero Genuine Speed Sensor Assy
• Part number: 37700ABH501S
• One manufacturer-packed electronic speed sensor assembly

Not included:

• Instrument cluster or speedometer
• Mechanical speedometer cable
• ABS wheel-speed sensor unless specifically part of the supplied assembly
• ABS sensor ring
• Wheel hub, gearbox or transmission-drive components
• Wiring harness
• Connector repair terminals
• Mounting bolts or clips unless physically supplied in the sealed pack
• Diagnostic scanning or fault-code clearing
• Installation labour

Technical Details

Installation Note

Diagnosis and installation should be performed by a trained Hero motorcycle or scooter technician. Disconnect the battery or switch off the electrical system according to the model-specific service procedure before disturbing the sensor connector.

Before Installation

• Read diagnostic fault codes where supported
• Check the existing sensor signal or live speed data
• Inspect the wiring harness for cuts, corrosion or heat damage
• Compare the old and new part numbers
• Compare the sensor body, mounting point and connector
• Check the mating drive or sensing mechanism for wear or damage
• Inspect the mounting surface and required seal or O-ring
• Confirm that a separate ABS fault is not being mistaken for a vehicle-speed sensor fault

During Installation

• Do not pull or twist the sensor cable
• Do not strike or drop the sensing element
• Do not alter, splice or force the connector
• Keep the sensor and connector free from grease, water and abrasive dirt
• Route the cable through the original clips and protected path
• Keep the cable away from the exhaust, moving parts and sharp edges
• Install any seal or O-ring according to the service procedure
• Tighten the mounting fastener to the prescribed torque

After Installation

• Reconnect the electrical system
• Clear related fault codes where required
• Confirm a stable speed reading
• Check speedometer and odometer operation
• Inspect the cable route during steering and suspension movement
• Confirm that no warning lamp or diagnostic code remains
• Perform a controlled road test only after safe workshop checks

Buyer-Focused FAQs

1. What is Hero part number 37700ABH501S?
It is a Hero Genuine electronic speed sensor assembly for compatible Hero motorcycles and scooters.

2. Is this also called a vehicle speed sensor?
Yes. Vehicle speed sensor, VSS, wheel-speed sensor, speedometer sensor and speed pickup are common buyer terms.

3. What does the speed sensor do?
It detects vehicle-speed information and sends an electrical signal used by the speedometer and related systems.

4. Is this a mechanical speedometer cable?
No. This is an electronic sensor assembly, not a mechanical rotating cable.

5. Is this the ABS wheel-speed sensor?
Do not assume so. ABS-equipped vehicles can use separate ABS sensors and sensor rings. Match the exact catalogue location and part number.

6. Does it fit Hero HF 100?
Yes. HF 100 January 2023 is an exact confirmed application. Other generations must be checked by part number.

7. Does it fit Hero HF Deluxe?
Confirmed applications include HF Deluxe i3S BSVI March 2022, HF Deluxe December 2022 and HF Deluxe March 2023. Other generations can use another speed-sensor SKU.

8. Does it fit Hero Splendor Plus?
Yes. Splendor Plus January 2023 is an exact confirmed reference. Match other Splendor generations through the chassis catalogue.

9. Does it fit Hero Pleasure Plus?
Yes. Confirmed references include Pleasure Plus October 2021, Pleasure Plus 110 July 2022 and July 2023, and Pleasure Plus XTEC March 2023.

10. Does it fit Hero Passion Pro?
Hero officially lists the Passion Pro family, and Passion-HZ May 2023 is an exact application. Other Passion variants can use 37700-AAC-811 or another sensor.

11. Does it fit Hero Destini 125?
Yes. Confirmed applications include Destini 125 March 2022, Destini 125 BS6 March 2023 and Destini BSVI Prime June 2023.

12. Does it fit Hero Xoom?
Yes. Confirmed applications include Xoom BS6 FI January 2023 and Xoom 110 BSVI OBD-II April 2023.

13. Does it fit Hero Maestro Edge 125?
Yes. Confirmed references include Maestro Edge 125 BSVI July 2021, August 2021 and Maestro Edge 125 March 2023.

14. Does it fit Hero Karizma XMR?
Yes. Karizma XMR September 2023 is an exact confirmed application.

15. Does it fit Hero The Centennial?
Hero’s current official applicability lists The Centennial. Confirm the exact vehicle catalogue before ordering.

16. Can a faulty sensor cause the speedometer to show zero?
Yes. A failed sensor, broken wire, connector fault, damaged drive mechanism or instrument-cluster problem can produce no speed reading.

17. Can it cause an intermittent speed display?
Yes. Intermittent wiring, contamination, connector looseness or internal sensor failure can cause a fluctuating or disappearing reading.

18. Will replacing it fix an incorrect odometer reading?
Only when the speed-sensor signal is the confirmed cause. Wheel specification, wiring, instrument cluster and control-module faults must also be checked.

19. Does the connector need to match exactly?
Yes. Connector shape, terminal count, locking tab and pin arrangement must match the original sensor and wiring harness.

20. Can I connect it temporarily to test compatibility?
Do not connect an electrical sensor merely for trial. Confirm the complete SKU first because connected or tested electrical parts cannot be returned as unused.

21. Does it require programming?
No universal programming requirement is claimed. Diagnostic codes may need to be cleared depending on the vehicle.

22. Is professional installation recommended?
Yes. Correct diagnosis, cable routing, connector protection and mounting are important for a reliable speed signal.

23. How can I prevent ordering the wrong speed sensor?
Match the complete SKU, exact model and generation, mounting location, connector, wire length, sensing mechanism and chassis/VIN-based Hero catalogue.

Electrical Sensor Purchase Warning

Confirm the exact part number before opening, connecting or installing the sensor. Do not connect it merely for trial. Connector marks, electrical testing, altered wiring, mounting marks, contamination, physical damage or operational use can permanently affect the component and invalidate return eligibility.