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Honda CB750 CB550 CB500 CB400 CB350 rectifier regulator
Honda CB750 CB550 CB500 CB400 CB350 rectifier regulator
Honda CB750 CB550 CB500 CB400 CB350 rectifier regulator
Honda CB750 CB550 CB500 CB400 CB350 rectifier regulator
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Honda CB750 CB550 CB500 CB400 CB350 rectifier regulator

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4.5 ( 2 reviews)

Honda CB Rectifier/Regulator

24-2109
$199.95 USD
In stock Usually ships the same or next business day
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,329 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
Browse all parts

2 product reviews

Honda CB Rectifier/Regulator

Honda CB Rectifier/Regulator
$199.95 USD
Description

Replace your SOHC CB regulator and rectifier with this Rick's Electric OEM-Style Rectifier/Regulator. Combination unit replaces the OEM regulator and rectifier; stock-type plugs and installation instructions included. Dimensions: 68mm length, 94mm width, 26mm height, hole distance 80.0mm center-to-center.

Note: may require a custom mounting job. Works great attached with one bolt and nut where the safety starter switch was originally located (bypassing that switch).

Product Instructions

Key Features
• Rick's Electric OEM-style rectifier/regulator
• Combination unit replacing OEM regulator + rectifier
• Stock-type plugs and instructions included
• 68mm x 94mm x 26mm, 80mm hole center-to-center

Fitment / Compatibility

• Honda CB750K (1969‑78)
• CB750F (1975‑78) Supersport

• Honda CB500K (1971‑73)
• CB550F (1975‑77) Supersport
• CB550K (1974‑78)

• Honda CB350F (1972‑74) Supersport
• CB400F (1975‑77) Supersport

Part Number: 24-2109

Read More
Read Less

Check the listed model and year, then read any fitment notes in the description.

Make Model Year
Honda CB750K Standard 1969
Honda CB750K 1970
Honda CB750K 1971
Honda CB750K 1972
Honda CB750K 1973
Honda CB750K 1974
Honda CB750K 1975
Honda CB750F Supersport 1975
Honda CB750K 1976
Honda CB750F 1976
Honda CB750K 1977
Honda CB750F 1977
Honda CB750K 1978
Honda CB750F 1978
Honda CB750P 1978
Honda CB550K0 1974
Honda CB550K1 1975
Honda CB550K2 1976
Honda CB550K3 1977
Honda CB550K4 1978
Honda CB550F1 1975
Honda CB550F2 1976
Honda CB550F3 1977
Honda CB500K0 1971
Honda CB500K1 1972
Honda CB500K2 1973
Honda CB400F 1975
Honda CB400F 1976
Honda CB400F 1977
Honda CB350F0 1972
Honda CB350F0 1973
Honda CB350F1 1974

Free ground shipping over $50

To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.

Estimated ground delivery after your order ships
DestinationDelivery time
USA4–7 business days
Canada2–6 business days

Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.

See full shipping details

60-day returns on eligible parts

No restocking fees. Eligible parts must be unused, uninstalled, unaltered and complete. The 60-day window starts when your order is delivered.

Electrical parts are excluded from standard returns. Check return eligibility.

Start your return below. Wait for our instructions before mailing a part back.

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Other shipping options

Canada Post Economy: Available at checkout for select small items. Allow 1–3 weeks for delivery. No tracking or insurance is included.

Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.

Frequently Asked Questions

Does rectifier/regulator 24-2109 replace both original charging components?

Yes. It combines voltage regulation and rectification in one Rick's Electric unit and includes stock-type plugs and installation instructions.

What are the dimensions and mounting spacing of unit 24-2109?

The unit measures 68 x 94 x 26mm with mounting holes 80mm center to center. Compare the available location because custom mounting may be required.

What should be tested before replacing a rectifier/regulator?

Test the battery, stator, rotor or field circuit, grounds and charging connectors first, then verify charging voltage and inspect for connector heating after installation.

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