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1972 Honda CB350K4 Electrical Parts

Electrical repairs on a 1972 CB350K4 range from a rear brake-light switch to a replacement ignition coil or charging control. Identify the affected circuit first, then compare the fitted battery, connectors and mountings before choosing individual parts or a charging kit.

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Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

Honda CB750 CB550 CB500 CB450 CB400 rear brake light switch

Honda CB Rear Brake Light Switch

$10.33 USD
12-0008
Replace your rear brake light switch with this Rear Brake Light Stop Switch. Exceptionally broad fitment across the SOHC CB750 lineup and virtually the...
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...
Honda CB750 CB550 CB500 CB450 CB400 reflector 33741-340-670

Honda CB Stock Type Reflector ~ Replaces 33741-340-670

$21.46 USD
11-2303
Restore your mid-'70s Honda's stock reflectors with this Stock-Type Screw-On Reflector with a 6mm thread, replacing OEM #33741-340-670. Broad fitment covering the 1972-78 CB750...
New
Honda CB750 CB650 CB550 CB500 tail light cover gasket 33709-341-671

Honda CB Tail Light Cover Gasket ~ Replaces 33709-341-671

$5.80 USD
11-2163
Replace the gasket on your 1972-onward Honda's tail light lens with this Tail Light Lens Gasket, replacing OEM #33709-341-671. Matches the fitment of our...
Honda CB750 CB500 bar switch assembly left (clutch) side 35250-300-033

Honda CB Bar Switch Assembly ~ Left (Clutch) Side ~ Replaces 35250-300-033

$79.95 USD
12-0306
Fit left-side handlebar controls on your early SOHC CB with this Bar Switch Assembly for the Clutch Side in black, replacing OEM #35250-300-033. Wiring...
Honda CB750 CB550 front reflector rubber base 33743-341-670

Honda CB Stock Type Front Reflector Rubber Base ~ Replaces 33743-341-670

$8.95 USD
11-2304
Fit the rubber base beneath your stock front reflector with this Stock-Type Front Reflector Rubber Base, replacing OEM #33743-341-670.Key Features• Stock-type front reflector rubber...
New
Honda CB750 CB650 CB550 CB450 headlight setting collar 61304-292-000

Honda CB Headlight Setting Collar ~ Replaces 61304-292-000

$4.50 USD
07-4645
Restore headlight mounting with this Headlight Setting Collar, replacing OEM #61304-292-000. Exceptionally broad fitment across the classic Honda lineup, from the SOHC and DOHC...
Honda CB750 CB550 CB500 CB450 starter solenoid relay 35850-375-000

Honda CB Starter Solenoid Relay ~ Replaces 35850-375-000

$38.95 USD
24-2003
Replace your late-'70s CB starter solenoid with this Starter Solenoid Relay, replacing OEM #35850-375-000 / #35850-286-027. Broad fitment across the late SOHC CB750, CB500T/CB550...
New
Honda CB starter motor seal 60 x 1.4 31206-286-158

Honda CB Starter Motor Seal 60 x 1.4 ~ Replaces 31206-286-158

$5.95 USD
03-0784
Seal up your starter motor with this Starter Motor Seal, size 60 x 1.4, replacing OEM #31206-286-158 / #31206-402-008. Exceptionally broad fitment across the...
Honda CB500 CB450 CB350 CL350K0 CL350K1 ignition coil 30500-292-672

Honda CB Ignition Coil ~ Replaces 30500-292-672

$37.95 USD
17-6923
Replace your CB450/CL450, CB500T, or CB350/CL350/SL350 ignition coil with this Ignition Coil, replacing OEM #30500-292-672 / #30500-312-000 / #30500-286-004 / #30500-286-007 / #30500-310-670. 12V...
Honda CB500 CB450 CB360 CB350 CL350K0 condenser 30250-369-004

Honda CB Condenser ~ Replaces 30250-369-004

$21.95 USD
26-5106
Replace your condenser with this Condenser, replacing OEM #30250-369-004 / #30280-292-672 / #30280-292-671.Key Features• Condenser• Replaces OEM #30250-369-004 / #30280-292-672 / #30280-292-671• Honda part...
Honda CB750 CB450 CB350 CB200 CB175 front cable clip 45465-270-000

Honda CB Front Cable Clip ~ Replaces 45465-270-000

$7.00 USD
73-1116
Keep your wiring clean and secure with this Front Cable Clip, designed to hold the stop switch wires neatly against the front cable. Replaces...
Honda CB750 CB500 CB450 CB400 turn signal lamp gasket 33443-268-671

Honda CB Turn Signal Lamp Gasket ~ Replaces 33443-268-671

$4.61 USD
11-2085
Service your early CB750 or classic twin turn signal with this Turn Signal Lamp Gasket, replacing OEM #33443-268-671. Pairs with our signal lens #11-2110...
New
Honda CB500 CB450 CB360 CB350 CL350K0 rectifier 31700-455-671

Honda CB Rectifier ~ Replaces 31700-455-671

$22.95 USD
24-2078
Replace your CB350, CB360, CB450, or CB500T rectifier with this Rectifier with female connector, replacing OEM #31700-455-671 / #31700-358-305 / #31700-358-013 / #31700-292-008 /...
Honda CB750 CB550 CB450 CB350 CB360 tail light bracket 84701-341-670

Honda CB Tail Light Bracket ~ Replaces 84701-341-670

$124.95 USD
02-1233
Restore a proper tail end on your classic Honda with this Chrome Tail Light Bracket, replacing OEM #84701-341-670 / #84701-371-980. Fits a wide range...
New
Honda CB350K CL350K rear turn signal stay 33607-286-871

1968-72 Honda CB350K / CL350K Rear Turn Signal Stay ~ Replaces 33607-286-871

$22.95 USD
99-4860
Upgrade or restore your classic Honda motorcycle’s rear lighting assembly with this Rear Turn Signal Stay — a reliable replacement designed to replace OEM...
New
Honda CB360 CB350 CL350K0 contact point right side 30203-286-004

Honda CB Contact Point ~ Right Side ~ Replaces 30203-286-004

$8.82 USD
14-0005
Replace the right-side contact point on your CB350, CL350, SL350, or CB360 family bike with this Contact Point for the Right Side, replacing OEM...
New
Honda CB360 CB350 CL350K0 contact point left side 30204-286-004

Honda CB Contact Point ~ Left Side ~ Replaces 30204-286-004

$8.82 USD
14-0006
Match the right-side point with this Left-Side Contact Point, replacing OEM #30204-286-004 / #30202-369-154. Same fitment as the paired 14-0005 right-side point.Key Features• Left-side...
Honda CB360 CB350 starter motor cable 32410-286-000

1968-76 Honda CB360 / CB350 Starter Motor Cable ~ Replaces Honda OEM 32410-286-000

$51.95 USD
24-6028
Replace a worn, damaged, or corroded starter motor cable with this aftermarket cable made to replace Honda OEM 32410-286-000. This heavy starter lead carries...
Honda CB360 CB350 CB250 spark plug cap LB05F

Honda CB360/CB350/CB250 Spark Plug Cap ~ LB05F

$9.38 USD
23-3117
Spark Plug Cap - LB05F for custom or restoration work on classic Honda CB motorcycles.  Key Features Aftermarket part Sold as: Each Fitment /...
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Honda CB360 CB350 CL350K0 CL350K1 charging kit lithium ion version

Honda CB Charging Kit ~ Lithium Ion Version

$329.00 USD
99-4938
Complete charging system rebuild kit from Rick's Electrics, designed to upgrade your CB350/360's aging electrical system to a modern, lithium-ion compatible setup. Rather than...
New
Honda CB350 CL350K0 CL350K1 CL350K2 alternator rotor puller 16 x 1.5

Honda CB Alternator Rotor Puller ~ 16 x 1.5

$39.95 USD
99-4937
Specialty puller tool for removing the alternator rotor on your CB350/360 without damaging the rotor or crankshaft during the process. A proper rotor puller...
New
Universal motorcycle rick’s electrics performance hot shot starter motor unit 31200-286-405

Universal Motorcycle Rick’s Electrics Performance Hot Shot Starter Motor Unit ~ Replaces 31200-286-405

$249.95 USD
99-4940
Upgrade your classic Honda motorcycle’s starting system with this Rick’s Electrics Brand Performance Hot Shot Starter Motor Unit — an upgraded 4‑brush permanent‑magnet starter...
New
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Honda CB350 CB360 rick’s high-output charging kit

Honda CB Rick’s Electrics Charging Kit ~ High-Output Stator & Rectifier/Regulator ~ Standard Lead Acid Battery

$399.95 USD
99-4939
Upgrade or restore the charging system on your classic Honda motorcycle with this Rick’s Electrics Charging Kit designed for use with standard lead acid...
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...
New
Honda CB350 CL350K0 CL350K2 CL350K3 performance rotor 31100-286-309

Honda CB Performance Rotor ~ Replaces 31100-286-309

$399.95 USD
24-2036
Upgrade your CB350 or CL350 with this Rick's Electric Performance Hot Shot Rotor, replacing OEM #31100-286-309 / #31100-286-004. Features an upgraded design that is...
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...
Honda CB360 CB350 CL350K0 performance high output single tower coil

Honda CB Performance High Output Single Tower Coil

$89.95 USD
17-6807
Upgrade your CB350 or CB360 ignition with this Performance Single Tower Ignition Coil. Single-tower high-output coil with 3.3 Ohm primary resistance and 70 kV...
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1972 Honda CB350K4 · Electrical Buying guide

Match electrical repairs to the fitted K4 equipment

A starting problem, a charging fault and a failed lamp call for different checks. These choices cover separate jobs; use the focused categories to compare the smaller mounting and service parts.

Parts to consider

Honda CB Ignition Coil ~ Replaces 30500-292-672 Single-output ignition coil12V coil with 5-ohm primary resistance, attached leads and approximately 80mm mounting centers. Sold each.View part Honda CB Hot Shot Rectifier / Regulator ~ Replaces 31400-292-670 Lead-acid rectifier/regulatorCombination charging control for the stock stator. Intended for standard lead-acid batteries, not lithium-ion.View part Honda CB Rear Brake Light Switch Rear brake-light switchReplacement rear stop-light switch with a stated 1972 CB350K application.View part

Related parts: Headlight setting collar · Rear turn-signal stay · Chrome tail-light bracket

Keep battery and charging parts compatible

Check the battery label before ordering charging equipment. The lead-acid Hot Shot control works with the stock stator, while a separate lithium-ion version has a different voltage set point. A charging kit includes a stator as well as the matching rectifier/regulator.

Compare the parts already on the motorcycle

Restored bikes can have replacement lamps, altered connectors or electronic ignitions. Check these details instead of relying on the frame year alone. The linked headlight collar, signal stay and tail-light bracket address mounting repairs; they do not diagnose a circuit fault.

Buying questions

Will one charging control work with either battery type?

No. The offered Hot Shot controls distinguish lead-acid from lithium-ion batteries. Choose the version for your battery and confirm the lithium model’s 14V ±0.2V set point with the battery manufacturer.

Is the ignition coil supplied as a pair?

No. The featured 12V single-output coil is sold individually, with its wires attached. The original ignition uses two separate coils, one per spark plug; replacing both requires two of these coils.

Which details are useful when the wiring has been changed?

Identify the fitted ignition system and battery type, then photograph the affected connectors, terminals and mounting points. Those details help resolve the choice when the motorcycle no longer has its original electrical arrangement.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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Parts categories for 1972 Honda CB350K4

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