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1970 Honda CB175K4 Starter & Charging Parts

Separate a starter-circuit purchase from a charging-system purchase on your 1970 Honda CB175K4. The solenoid and the two featured rectifier/regulators serve different jobs. Compare the existing connections, then use the installed battery’s requirements to choose the appropriate charging unit.

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Honda CB750 CB550 CB500 CB350 starter solenoid relay 35850-371-670

Honda CB Starter Solenoid Relay ~ Replaces 35850-371-670

$21.46 USD
09-6582
Replace a failing starter solenoid with this Starter Solenoid Relay, replacing OEM #35850-371-670 / #35850-306-670 / #35850-HA7-670. Fits the SOHC CB750 lineup plus CB500/CB550K,...
Honda CB1100 CB1000 starter motor terminal rubber boot 32411-230-000

Honda CB Starter Motor Terminal Rubber Boot ~ Replaces 32411-230-000

$4.61 USD
73-0092
Replace your starter motor terminal cover with this Starter Motor Terminal (Cover) Rubber Boot, replacing OEM #32411-230-000.Key Features• Starter motor terminal rubber boot• Replaces...
New
Honda CB500 CB450 CB360 hot shot rectifier regulator 31400-292-670

Honda CB Hot Shot Rectifier / Regulator ~ Replaces 31400-292-670

$189.95 USD
24-2089
Upgrade your charging system with this Rick's Electric Hot Shot Rectifier/Regulator, replacing OEM #31400-292-670 / #31700-455-671 / #31700-292-008. Combination unit works with the stock...
Honda CB500 CB450 hot shot rectifier regulator lithium ion battery

Honda CB Hot Shot Rectifier/Regulator ~ Lithium Ion Battery Compatible

$169.95 USD
24-2014
Upgrade your CB450, CB500T, CB350, CB360, or small classic with Rick's Electric Hot Shot Lithium Ion Rectifier/Regulator. This combination unit works with the stock...
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1970 Honda CB175K4 · Starter & Charging Buying guide

Choose the circuit first, then its replacement component

The starter solenoid belongs to a different part of the electrical system from the charging unit. Identify the fault and battery specification before selecting components rather than replacing several pieces on suspicion.

Parts to consider

Honda CB Starter Solenoid Relay ~ Replaces 35850-371-670 Starter Solenoid RelayReplacement starter solenoid with CB175K catalog application. Compare its mounting, large cable terminals and control connections with the unit removed.View part Honda CB Hot Shot Rectifier / Regulator ~ Replaces 31400-292-670 Lead-Acid Rectifier/RegulatorRick’s Electric combination unit for standard lead-acid batteries. Not compatible with lithium-ion batteries.View part Honda CB Hot Shot Rectifier/Regulator ~ Lithium Ion Battery Compatible Lithium-Ion Rectifier/RegulatorRick’s Electric lithium-ion unit with a 14 V ±0.2 set point. Confirm that charging specification with the battery maker; not for standard lead-acid batteries.View part

Related parts: Starter terminal rubber boot

Keep solenoid selection connection-specific

Compare the featured solenoid’s mounting, large cable terminals and control connections with the old assembly and circuit information. The related rubber boot is a separate starter-terminal cover. Check its shape against the existing terminal rather than assuming replacement of the solenoid also renews terminal protection.

Verify the battery maker’s charging limits

The lithium-ion regulator specifies a 14 V ±0.2 set point and a 54 × 57 × 35 mm body. Confirm that charging setting suits the battery and check mounting space. The lead-acid alternative excludes lithium-ion, while the lithium-ion version excludes standard lead-acid batteries.

Starter & Charging questions

Can I choose a regulator before choosing the battery?

Choose them together against the battery maker’s charging requirements. The featured units have different battery restrictions, so a regulator selected for one battery type should not be treated as a universal option.

Does the lithium-ion label guarantee compatibility with every lithium battery?

No. The unit specifies a 14 V ±0.2 set point, which must be checked against the battery maker’s requirements. Also compare its 54 × 57 × 35 mm body with the available mounting space.

Can the solenoid be wired solely by matching its appearance?

Compare the cable terminals, control connections and mounting with the existing circuit information. Appearance and catalog application do not establish the terminal mapping, particularly after earlier wiring repairs or component substitutions.

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