Honda CB750K3 · Quatre cylindres SOHC

Pièces Honda CB750K 1973

Find 1973 Honda CB750K (K3) parts for carburetor sealing, routine servicing, electrical repairs and braking. Use the repair links to narrow the collection, then compare the listed fitment and dimensions with your motorcycle.

Orange-red 1973 Honda CB750K motorcycle in a studio side view

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Honda CB750 / CB400 Clutch Release Actuator Assembly

$69.95 USD

Restore your clutch system with this complete Clutch Release Actuator Assembly — a high-quality replacement that includes components to restore smooth clutch engagement. This...

Honda CB750K brake pedal return spring 46514-300-000

1969-76 Honda CB750K Brake Pedal Return Spring ~ Replaces 46514-300-000

$4.61 USD

Replace your brake pedal return spring with this Brake Pedal Return Spring, used where the brake pedal attaches to the brake spindle. Replaces OEM...

Honda CB750F CB750K carb overflow guide 11355-300-000

1971-78 Honda CB750F / CB750K Carb Overflow Guide ~ Replaces 11355-300-000

$7.50 USD

Replace your carb overflow guide with this Carb Overflow Guide, replacing OEM #11355-300-000.Key Features• Carb overflow guide• Replaces OEM #11355-300-000Fitment / Compatibility• Honda CB750K...

1969-76 Honda CB750K / CB550K / CB500K Ignition Switch Nut Tool

$19.95 USD

Loosen and tighten the ignition switch nut without damage using this Ignition Switch Nut Tool.Key Features• Ignition switch nut tool• Tightens and loosens without...

1969-78 Honda CB750 SOHC Rear Brake Rod Assembly

$37.95 USD

Restore your CB750 rear brake actuation with this Rear Brake Rod Assembly. Includes brake rod, spring, brake arm joint, brake rod adjusting nut, brake...

Honda CB1000 CB900 master cylinder reservoir cap plastic o-ring 45521-MJ6-006

Honda CB Master Cylinder Reservoir Cap Plastic O-Ring ~ Replaces 45521-MJ6-006

$4.95 USD

Replace your master cylinder cap O-ring with this Master Cylinder Reservoir Cap Plastic O-Ring, replacing OEM #45521-MJ6-006.Key Features• Master cylinder reservoir cap O-ring• Plastic•...

Honda CB750 CB550 CB500 tail light cable set 33711-323-000

Honda CB750 / CB550 / CB500 Tail Light Cable Set ~ Replaces 33711-323-000

$9.38 USD

Replace your tail / brake light cables with this Tail Light / Brake Light Cable Set of 3. Replaces OEM #33711-323-000 (taillight sub cable),...

Honda CB750 / CB550 / CB500 Speedometer / Tachometer Internal Rubber Seal

$11.95 USD

Replace your gauge internal seal with this Speedometer / Tachometer Internal Rubber Seal. Replaces the ripped, dried, or missing rubber internal seal.Key Features• Speedo...

Honda CB1000 CB750 CB550 CB500 headlight assembly rim 33101-300-673

Honda CB Headlight Assembly Rim ~ Replaces 33101-300-673

$27.95 USD

Replace a damaged or pitted headlamp rim with this Chrome Headlamp Rim, replacing OEM #33101-300-673 / #33101-405-671. Fits all 1969-78 CB750s, select late-model DOHC...

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Honda CB750 / CB650 Genuine Honda Rear Wheel Bearing Retainer ~ OEM 41231-300-020

$49.95 USD

Upgrade or restore your classic Honda motorcycle with this Genuine Honda Rear Wheel Bearing Retainer — precision‑engineered and made in Japan. This authentic OEM...

Honda CB750 CB650 CB550 CB450 CB400 steering bearing kit

Honda CB Steering Bearing Kit

$69.95 USD

Upgrade your steering bearings with this Steering Bearing Kit. Tapered roller steering bearing conversion kit, superior to OEM quality with 10X the contact area...

Honda CB1100 CB1000 caliper bleed cap (pk 10) 45108-425-003

Honda CB Caliper Bleed Screw Rubber Cap (Pk/10) ~ Replaces 45108-425-003

$11.95 USD

Stock up on caliper bleed screw rubber caps with this Brake Caliper Bleed Screw Rubber Cap 10-pack. Universal type for series 1, 3, 4,...

Honda CB750 CB550 CB500 CB450 headlight rim and retainer 33101-404-671

Honda CB750 / CB550 / CB500 / CB450 Headlight Rim & Retainer ~ Replaces 33101-404-671

$48.95 USD

Restore your headlamp trim with this Headlamp Rim & Retainer Assembly, replacing OEM #33101-404-671 / #33121-300-672 / #33153-300-671. Fits the full 1969-78 SOHC CB750...

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Honda CB1000 CB900 CB750 fuel tank emblem clamp nut 87311-634-600

Honda CB Fuel Tank Emblem Clamp Nut ~ Replaces 87311-634-600

$6.25 USD

Secure your fuel tank emblem properly with this Fuel Tank Emblem Clamp Nut, designed as a direct replacement for the original Honda hardware. This...

Honda CB750 CB700 CB650 CB550 CB500 brake rod joint pin w cotter pin

Honda CB Brake Rod Joint Pin with Cotter Pin

$5.95 USD

Replace your brake rod joint pin with this Brake Rod Joint Pin with Cotter Pin, replacing OEM #95015-52000 (joint pin) and #94201-16250 (cotter pin).Key...

Honda CB750 / CB500 / CB350 Horn Button

$7.00 USD

Replace a worn horn button with this Horn Button with Spring. Works as a horn button or a starter button, fitting all SOHC CB750s,...

Honda CB750 CB700 CB650 CB550 CB500 brake rod adjusting nut 95015-42000

Honda CB Brake Rod Adjusting Nut

$4.50 USD

Replace your brake rod adjusting nut with this Brake Rod Adjusting Nut, replacing OEM #95015-42000.Key Features• Brake rod adjusting nut• Replaces OEM #95015-42000Fitment /...

1973-74 Honda CB750K ~ Warning and Service Label Set

$49.95 USD

Restore your CB750K with this Honda CB750K (1973-74) Warning & Service Label (Stickers) Set. Includes several warning and service labels originally found on these...

Honda CB750 CB550 CB500 swingarm dust seal cap (set 2) 52144-283-010

Honda CB Swingarm Dust Seal Cap (Set/2) ~ Replaces 52144-283-010

$9.95 USD

Replace your swingarm dust seal caps with this Swingarm Dust Seal Metal Cap Set of 2. These metal caps fit on the ends of...

Honda CB1100 CB1000 CB900 oil passage cap w o-ring 15331-300-000

Honda CB Oil Passage Cap with O-Ring ~ Replaces 15331-300-000

$29.95 USD

Replace an oil passage cap with this Oil Passage Cap with O-Ring, replacing OEM #15331-300-000 (cap) and #94608-40000 (O-ring).Note: sold each, order the quantity...

Honda CB750K CB550K CB500K rear turn signal stay 33607-323-670

1971-74 Honda CB750K / CB550K / CB500K Rear Turn Signal Stay ~ Replaces 33607-323-670

$19.95 USD

Fit the standard-length rear signal stay with this Rear Signal Lamp Stay in chrome, 65mm long, replacing OEM #33607-323-670. Pairs with signal lamp #11-2122....

Honda CB750K CB450K front brake caliper assembly 45100-341-003

1969-76 Honda CB750K / CB450K Front Brake Caliper Assembly ~ Replaces Honda OEM 45100-341-003

$139.95 USD

Aftermarket front brake caliper assembly for Honda CB750K and CB450K front disc brake service. This complete assembly replaces Honda OEM #45100-341-003 and is a...

1969-78 Honda CB750 Brand OEM ~ Neutral Switch with Screw ~ Replaces 35752-300-020

$79.95 USD

Ensure proper gear position signaling with this Honda OEM neutral switch, designed as a direct replacement for the original component. This switch helps accurately...

Honda CB750K carburetor needle jet holder 16139-300-004

1969-75 Honda CB750K Carburetor Needle Jet Holder ~ Replaces 16139-300-004

$19.95 USD

Replace your CB750K needle jet holder with this Carburetor Needle Jet Holder, replacing OEM #16139-300-004.Note: sold each.Key Features• Carburetor needle jet holder• Replaces OEM...

Honda CB750 battery box rubber "a" 50323-300-010

1969-78 Honda CB750 Battery Box Rubber "A" ~ Replaces 50323-300-010

$4.50 USD

Replace your battery box rubber with this Battery Box Rubber "A", replacing OEM #50323-300-010. This rubber is fastened into the top section of the...

Honda CB750 CB550 CB500 CB450 brake hose rubber grommet 45146-300-000

Honda CB Brake Hose Rubber Grommet ~ Replaces 45146-300-000

$4.61 USD

Replace your brake hose grommet with this Brake Hose Rubber Grommet, the rubber grommet that attaches to the brake hose, replacing OEM #45146-300-000.Key Features•...

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Honda CB750 stock style stator 31102-300-045

1969-78 Honda CB750 Stock Style Stator ~ Replaces 31102-300-045 / 31102-300-035

$199.95 USD

Upgrade or restore your classic Honda motorcycle with this Stock Style Stator — remanufactured to replace multiple hard‑to‑find OEM configurations. Designed to fit and...

Épuisé

Honda CB750 SOHC / CB500 / CB550 Dynatek Dyna S Ignition System

$299.95 USD

Start with just the ignition module using this Dyna S Ignition System, for SOHC CB750 or CB500/CB550 riders who already have suitable coils. Skip...

Honda CB chrome 335mm shock absorber set side detail

Honda CB Stock Length Shock Absorber Set ~ Chrome 335mm

$139.95 USD

Go with a clean all-chrome stock-length setup without the end-cap detail using this Stock-Length Shock Absorber Set. Chrome body with chrome progressive-wound heavy-duty springs,...

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Honda CB chrome speedometer and tachometer cover set

Honda CB Chrome Speedometer & Tachometer Cover Set

$44.95 USD

Dress up your gauge cluster with this Chrome Speedometer & Tachometer Cover Set. These chrome-plated covers fit over your stock speedo and tach to...

Honda CB750 CB550 CB500 CB360 throttle adjusting bolt 53190-300-000

Honda CB Throttle Adjusting Bolt ~ Replaces 53190-300-000

$9.95 USD

Replace your throttle adjusting bolt with this Throttle Adjusting Bolt, replacing OEM #53190-300-000.Key Features• Throttle adjusting bolt• Replaces OEM #53190-300-000Fitment / Compatibility• Honda CB750K...

Honda CB750K exhaust heat shield with hardware 18315-300-020

1969-76 Honda CB750K Exhaust Heat Shield with Hardware ~ Replaces 18315-300-020

$74.95 USD

Restore your CB750K exhaust heat shield with this Exhaust Heat Shield with Hardware. Includes one heat shield for one muffler and the hardware to...

Honda CB750K CB550K CB500K rear turn signal mount and collar set 33605-323-670

1971-74 Honda CB750K / CB550K / CB500K Rear Turn Signal Mount & Collar Set ~ Replaces 33605-323-670

$42.95 USD

Mount your rear signals with this Rear Turn Signal Mount, Collar and Rubber Set. Includes both left and right sides. Needed when installing the...

Honda CB750 CB550 CB500 CB450 CB400 brake lever gp style 53175-369-003

Honda CB Brake Lever ~ GP Style ~ Replaces 53175-369-003

$10.95 USD

Match your GP-style clutch lever with this Custom GP-Style Brake Lever in silver. Features a more pronounced bend/kickback than stock for that classic race-lever...

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Honda CB Stock Length Shock Absorber Set ~ Chrome 335mm

$139.95 USD

Step up to a clean chromed-out rear end with this All-Chrome Stock-Length Shock Absorber Set. Features a chrome body, chrome progressive-wound heavy-duty springs, and...

Honda CB1100 / CB1000 / CB900 / CB750 NGK DR8EIX Iridium Spark Plug

$24.95 USD

Upgrade to iridium with these NGK DR8EIX Iridium Spark Plugs. The cheapest horsepower you can buy for your CB. Adds a solid 1-2 HP...

1969-77 Honda CB750 Exhaust Valve ~ Replaces 14721-300-005

$32.95 USD

Rebuild your SOHC CB750's top end with this Exhaust Valve, replacing OEM Ref. #14721-300-005. Made in Japan, this valve fits the 1969-77 CB750K, 1975-76...

Honda CB750 CB550 CB500 CB400 CB350 pilot jet set size 38 (pk 4)

Honda CB Pilot Jet Set ~ Size #38 (Pk/4)

$15.95 USD

Tune your low-speed circuit with this Pilot Jet Set of 4, size #38. Jet height 28mm, outer diameter 5.5mm.Pilot jets control your idle and...

Honda CB750A CB750F CB750K rear sprocket bolt and nut set 90128-341-000

1972-78 Honda CB750A / CB750F / CB750K Rear Sprocket Bolt & Nut Set ~ Replaces 90128-341-000

$13.95 USD

Restore your rear sprocket hardware with this Rear Sprocket Stud Bolt (12 x 54) & Nut Set. Set includes 4 stud bolts and 4...

Honda CB750K cylinder dowel pin (12X15MM) 94301-12150

1969-75 Honda CB750K Cylinder Dowel Pin (12x15mm)

$4.53 USD

Replace your cylinder dowel pins with this Cylinder Dowel Pin, 12 x 15mm size, replacing OEM #94301-12150.Sold each, order the quantity you need.Key Features•...

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Honda CB750 spark advancer assembly 30220-300-154

1969-78 Honda CB750 Spark Advancer Assembly ~ Replaces 30220-300-154

$99.95 USD

Replace your SOHC CB750's spark advancer with this Spark Advancer Assembly, replacing OEM #30220-300-154.Key Features• Spark advancer assembly• Replaces OEM #30220-300-154Fitment / Compatibility• Honda...

Honda CB750 CB550 CB500 CB400 CB360 front turn signal stay

Honda CB Front Turn Signal Stay

$12.95 USD

Replace a damaged front signal stay with this Front Signal Lamp Stay in chrome. Body length 65mm, thread 25mm, total length 90mm. Pairs with...

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Parts and fitment guide for your 1973 CB750K (K3)

A 1973 K3 project can involve anything from a leaking carburetor bowl to a full service. Choose a repair category below, or use the selected parts as a starting point for checking seals, filtration and front brake wear.

Browse by repair

Engine parts — filters, seals and engine components.
Fuel-system parts — carburetors, air filters and fuel delivery.
Electrical parts — ignition, switches and charging parts.
Brake & clutch parts — braking and clutch components.
Suspension & wheels — fork seals, bearings and suspension parts.
Exhaust parts — exhaust components, gaskets and hardware.

Selected parts for the 1973 CB750K

Check each listing for model fitment, dimensions and what is included before ordering.

Float-bowl gasket — listed for 1969–76 CB750K carburetors.
Stock air filter — stock-airbox replacement referenced to 17211-405-000; compare the installed housing.
Front brake pads — early-style Kevlar set with one locating pin and one locating tab; compare the fitted caliper.

Identify your CB750K3 (1973)

Match the motorcycle to its original-market documentation using both identifiers below.

Frame number — record the complete prefix and serial stamped on the frame.
Engine number — record the complete prefix and serial stamped on the engine.

The linked merchant chart is a reference, not a verified complete serial range. Confirm the model series and original market before using a number as a production cutoff.

View the CB750 reference chart

For help locating and comparing identifiers, see our Honda CB model identification guide.

Locate the fuel leak before choosing the seal kit

The linked 20-8035 gasket is for the float-bowl joint. For the connecting fuel tubes, separate kit 48-0791 lists eight tube O-rings plus four bowl-drain seals and includes the 1973 CB750K application. Have the leak located before ordering; a bowl gasket does not replace the seals at the tube connections or drain.

Related CB750K collections

For other model years, browse all Honda CB750K parts.

Need help checking a part? Contact VintageCB750 with your model, frame and engine numbers, and photos of the component you are replacing.

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Pièces Honda CB750K 1973

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Parts and fitment guide for your 1973 CB750K (K3)

Browse by repair

Selected parts for the 1973 CB750K

Identify your CB750K3 (1973)

Locate the fuel leak before choosing the seal kit

Related CB750K collections

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