1. Voltage Regulators & Rectifiers Offers
  2. sku: 5497167300500663
  3. HONDA S4T-05

HONDA S4T-05 Voltage Regulator Rectifier 74-78

fits model: Cb550k, Cb, 550. make: Honda.

S4t-05 Honda 74-78 Cb550k Cb 550 Voltage Regulator Rectifier B

( Part Type: Voltage Regulator Rectifier ), ( Country Of Origin: Japan ), ( Color: Black ), ( Manufacturer Warranty: Unspecified Length ), ( Manufacturer Part Number: S4T-05 ), ( Placement On Vehicle: Rear ), ( Storage Location: A.1.f.4 K201304-c ), ( Custom1: 190825 )

Review HONDA 74-78 Voltage Regulator Rectifier fits CB550K CB 550

Introducing the Honda SB5 Voltage Regulator/Rectifier, a crucial component for the electrical system of your Honda CB550K motorcycle model years 1974 to 1978 (CB550, S4, or CB-Series). This part is also known interchangeably as the SB5 generator or stator.

The Honda SB5 Voltage Regulator/Rectifier is a compact, robust device that converts the alternating current (AC) produced by the motorcycle's engine into direct current (DC) to charge the battery and power the electrical components of your CB550K. The regulator aspect of this component maintains a consistent voltage level to ensure optimal battery charging and prevent damage to sensitive electrical components.

This Honda OEM part is constructed with high-quality materials and advanced technology to deliver reliable and efficient performance. It boasts a robust design, featuring a durable casting that protects against the rigors of motorcycling. The regulator/rectifier also includes a built-in cooling fan to dissipate heat and ensure stable operation in various conditions.

The Honda SB5 Voltage Regulator/Rectifier is a direct replacement for the stock part, ensuring a hassle-free installation process. It is designed to seamlessly integrate with your CB550K's electrical system, providing peace of mind and reliability on the road.

In summary, the Honda SB5 Voltage Regulator/Rectifier is an essential component for the electrical system of your Honda CB550K motorcycle. It converts AC to DC power, maintains a consistent voltage level, and features a robust design for reliable performance. As a direct OEM replacement, it ensures a hassle-free installation and compatibility with your motorcycle's electrical system.

The Honda CB550K voltage regulator/rectifier (VR/R), commonly referred to as the "S4" type, was used in Honda motorcycles from model years 1974 to 1978, including the CB550K. This component is responsible for maintaining a stable voltage output from the alternator to charge the battery and power the electrical system.

Pros of Buying a Honda CB550K S4 VR/R:

1. OEM Part: A genuine Honda OEM part ensures a proper fit and function in the motorcycle's electrical system.

2. Reliable: Honda is known for manufacturing high-quality components, and the CB550K VR/R is no exception.

3. Long-lasting: With proper maintenance, the VR/R can last for many years.

4. Easy Installation: The VR/R is a relatively simple component to replace, making it a DIY-friendly project for many riders.

Cons of Buying a Honda CB550K S4 VR/R:

1. Cost: OEM parts, especially for older motorcycles, can be more expensive compared to aftermarket alternatives.

2. Limited Availability: Original Honda parts may be harder to find at local dealerships or salvage yards, requiring online purchases.

3. Potential for Pre-Owned Issues: Used VR/Rs may have hidden problems that could cause further issues.

Conclusion:

When considering the purchase of a Honda CB550K S4 VR/R, it's essential to weigh the advantages and disadvantages. The reliability and long-lasting nature of the OEM part can provide peace of mind, but the higher cost and potential availability issues could deter some riders. Ultimately, the decision to buy an OEM Honda CB550K S4 VR/R depends on your personal preferences, budget, and the importance of having a genuine part for your motorcycle.

Recommendation:

If you prioritize having a genuine Honda part, consider purchasing a new OEM VR/R from a reputable Honda dealer or online retailer. If you're budget-conscious or prefer an aftermarket alternative, research reliable aftermarket brands and ensure they have a good reputation for producing high-quality components. Always make sure to check the fitment and compatibility with your specific motorcycle model before making a purchase.

Details:

74-78 Honda CB550K CB 550 Full One Piece Driver Passenger Seat. Honda Cruiser. Cosmetic Wear As Shown In Photos - Used: See Video And For Details, Part is off a Good Running 1978 Honda CB550, with 14,141 Miles, Watch of this Unit YouTube. 74-78 Honda CB550K CB 550 Front Headlight Head Light Lamp.

74-78 Honda CB550K CB 550 Front Brake Line Hose To Prop Valve.

part #: s4t05 prices

  • $33.59-$49.99

specifications rightrectifier:

  • for models: Cb550k, Cb, 550
  • for makes: Honda
  • part type: Voltage Regulator Rectifier
  • country of origin: Japan
  • color: Black
  • manufacturer warranty: Unspecified Length
  • manufacturer part number: S4T-05
  • placement on vehicle: Rear
  • storage location: A.1.f.4 K201304-c
  • custom1: 190825

payments rightrectifier:

  • other
  • credit card: Visa
  • wallet: Google-pay

general rightrectifier:

  • condition: Used
  • Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Voltage Regulators Rectifiers

returns rightrectifier:

  • time: 30 Days
  • paid by: Buyer
  • policy: Returns Accepted

shipping rightrectifier:

  • transit: 4-8 Days
  • type: Fixed
  • carrier: USPS, FedEx
  • service: USPS Ground Advantage, USPS Priority Mail, FedEx 2Day, Overnight
  • cost: $0.00
  • class: Standard, Expedited, One-day

offer rightrectifier:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • started: November 20, 2025

seller rightrectifier:

  • rating: 99.1%
  • # reviews: 196832
  • city: Odessa, Florida
for models: cb550k, cb, 550, for makes: honda, part type: voltage regulator rectifier, country of origin: japan, manufacturer warranty: unspecified length, placement on vehicle: rear, storage location: a.1.f.4 k201304-c, custom1: 190825,
category: motorcycle parts > motorcycle scooter parts accessories > electrical ignition components > voltage regulators rectifiers, color: black, sku: 5497167300500663,

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