Main Belt Alternator for Komatsu ALTERNATOR PC 300-7 Excavator
Product Specifications
| Brand | Compatible Model(s) | OEM Part Number | Part Type | Availability |
|---|---|---|---|---|
| Komatsu | ALTERNATOR PC 300-7 | 6743613710 | FAN BELT / AC BELT | ✓ In Stock |
Product Description
OEM Part Numbers: 6743613710
| Machine Model | Part Number |
|---|---|
| ALTERNATOR PC 300-7 | 6743613710 |
Designed for the ALTERNATOR PC 300-7, the 6743613710 main belt alternator pc 300-7 ensures a constant supply of electrical energy to machine systems and battery charging throughout engine operation. A failed alternator leads to rapid battery discharge, loss of electrical systems, and eventual machine shutdown — typically occurring mid-operation without warning. Manufactured to OEM reference 6743613710 for accurate electrical fitment on the ALTERNATOR PC 300-7 with correct voltage and current output.
Key Features:
- Battery Protection: Maintains correct charge voltage to extend battery life and prevent deep-discharge damage.
- OEM Compatible: Built to reference 6743613710 for direct, connector-compatible fitment on the ALTERNATOR PC 300-7.
- Sustained Power Delivery: Provides stable electrical output to all machine systems under varying engine loads.
The 6743613710 main belt alternator pc 300-7 is a critical electrical component for maintaining battery charge and powering all machine systems on the ALTERNATOR PC 300-7.
What Does This Fan Belt / Ac Belt Do?
A drive belt that transfers rotational power from the engine crankshaft to key auxiliary components — including the cooling fan, alternator, power steering pump, and AC compressor. Keeps all belt-driven systems running at the correct speed relative to engine RPM.
Possible Fan Belt / Ac Belt Problem Symptoms
If your machine is showing any of the following, a faulty fan belt / ac belt may be the cause:
- Squealing or chirping noise from the front of the engine, especially on startup
- Battery warning light appearing due to the alternator not being driven
- Engine overheating as the cooling fan loses drive
- Air conditioning suddenly stopping during machine operation
- Visible cracks, fraying, or glazing on the belt surface
Why Buy From GCO Products?
Gautam & Company has been supplying earthmoving machinery spare parts since 1999. Here is why contractors, fleet operators, and dealers across India trust us.
Over 27 years of experience in the earthmoving parts industry.
Our team helps you confirm the right part before you order.
Proper GST invoices on every order for your accounting needs.
Fast dispatch from Jalandhar to all states across India.
Volume pricing available for fleet owners, dealers and distributors.
Both genuine OEM and quality aftermarket options available.
How to Confirm Compatibility
To ensure this part is the correct fit for your machine, have the following ready when you contact us:
- 1Machine Model & Year
E.g. Komatsu PC200-8, CAT 320D, JCB JS205 — include the model suffix if known.
- 2Machine Serial Number
Found on the machine's chassis plate. Helps confirm the exact production variant.
- 3OEM Part Number
From your parts manual, the old part itself, or the machine's service documentation.
Not sure if this part fits your machine?
WhatsApp Us to Confirm Typically replies within a few hoursDisclaimer: This is an aftermarket replacement part supplied by GCO Products (Gautam & Company) and is not manufactured by, affiliated with, or endorsed by the original equipment manufacturer (OEM). All brand names, model numbers, and OEM part numbers referenced on this page are used solely for the purpose of identifying compatibility and describing the application of this part. All trademarks, registered marks, and brand identifiers remain the exclusive property of their respective owners. GCO Products claims no association with, sponsorship by, or endorsement by any OEM brand mentioned herein.