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1976 Honda CB550K Brake Caliper, Piston & Seal Parts

The 1976 Honda CB550K caliper category offers a separate piston, sealing ring, bleed screw and a replacement caliper assembly. Identify the fitted caliper before selecting internal parts, then compare an individual component order with the assembly listing and its stated contents.

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Currently viewing Brake Caliper Rebuild Kits, Caliper Pistons, Bleed Screws

Honda motorcycle parts

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Honda CB900 CB750 CB650 caliper piston sealing ring 45108-300-003

Honda CB Caliper Piston Sealing Ring ~ Replaces 45108-300-003

$7.95 USD
29-0527
Replace your front caliper piston sealing ring with this Front Brake Caliper Piston Sealing Ring, replacing OEM #45108-300-003. Also fits the rear brake caliper...
Honda CB750 CB550 front brake caliper bleed screw rubber cap 45110-300-003

Honda CB Front Brake Caliper Bleed Screw Rubber Cap (Stock Type) ~ Replaces 45110-300-003

$3.95 USD
29-7018
Replace your front caliper bleed screw rubber cap with this Stock Type Front Brake Caliper Bleed Screw Rubber Cap, the same design as the...
Honda CB750 CB550 CB500 CB450 front caliper adjuster set 45117-341-700

Honda CB750 / CB550 / CB500 / CB450 Front Caliper Adjuster Set ~ Replaces 45117-341-700

$13.95 USD
29-7016
Restore your front caliper adjuster with this Front Brake Caliper Adjuster Set, including adjusting bolt, spring, washer, and nut. Replaces OEM #45117-341-700 (bolt), #45119-300-020...
Honda CB750 CB550 CB500 front brake caliper bleed screw 45224-579-013

Honda CB Front Brake Caliper Bleed Screw ~ Replaces 45224-579-013

$8.95 USD
73-0993
Replace your front caliper bleed screw with this Front Brake Caliper Bleed Screw, replacing OEM #45224-579-013.Key Features• Front brake caliper bleed screw• Replaces OEM...
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
29-0500
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,...
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Honda CB550 CB500 CB450 CB400 CB360 front caliper piston 45107-323-020

Honda CB Front Caliper Piston ~ Replaces 45107-323-020

$21.78 USD
29-0058
Replace your front brake caliper piston with this Front Brake Caliper Piston, 38.15mm diameter x 34mm height, replacing OEM #45107-323-020. The side with the...
Honda CB750 CB550 front brake caliper bolt and washer set 90165-323-000

Honda CB Front Brake Caliper Bolt & Washer Set ~ Replaces 90165-323-000

$12.50 USD
73-1027
Replace your front caliper bolts and washers with this Front Brake Caliper Bolt & Washer Set. Includes 2 bolts and 2 washers. Replaces OEM...
Honda CB550 CB500 CB450 front brake caliper assembly 45100-390-405

Honda CB Front Brake Caliper Assembly ~ Replaces Honda OEM 45100-390-405

$119.95 USD
33-0039
Replace a worn, seized, damaged, or missing front brake caliper with this aftermarket full caliper assembly for Honda CB models. It is a replacement...
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1976 Honda CB550K · Brake Caliper Rebuild Kits, Caliper Pistons, Bleed Screws Buying guide

Compare separate internals with the caliper assembly

The piston and sealing ring are individual listings with their own references. The aftermarket assembly lists several included components; its description also says final assembly may be required before installation.

Parts to consider

Honda CB Front Caliper Piston ~ Replaces 45107-323-020 Front caliper pistonListed at 38.15mm diameter × 34mm height, referencing Honda 45107-323-020.View part Honda CB Caliper Piston Sealing Ring ~ Replaces 45108-300-003 Caliper piston sealing ringSeparate sealing ring referencing Honda 45108-300-003.View part Honda CB Front Brake Caliper Assembly ~ Replaces Honda OEM 45100-390-405 Aftermarket front caliper assemblyListed contents include body, pads, piston, piston rubber, bleed screw, bolts and bleed cap.View part

Related parts: Front caliper bleed screw

Choose the order after identifying the caliper

The replacement piston lists both diameter and height, while the sealing ring has a separate reference. Compare those details with the identified caliper and the removed parts. Assess the actual components needed before choosing individual internals or the replacement assembly for your fitted brake.

Read what the assembly actually supplies

The aftermarket caliper description lists its body, pads, piston, piston rubber, bleed screw, bolts and bleed cap. It also warns that final assembly may be needed. Compare that contents list with your repair order rather than assuming every caliper-associated piece is included or already assembled.

Common ordering questions

What piston dimensions are stated?

The piston listing gives a 38.15mm diameter and 34mm height, referencing 45107-323-020. Confirm the fitted caliper and compare the removed piston before choosing those specifications for a replacement order.

Does the caliper assembly include brake pads?

Yes. Pads are expressly named along with the body, piston, piston rubber, bleed screw, bolts and bleed cap. Review that list before separately ordering components that may already be supplied in the assembly purchase.

Does the replacement caliper arrive ready to install?

The listing says it may require final assembly before installation. Check the supplied condition and the itemized contents when it arrives, then use the required service information for the brake work.

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

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