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1975 Honda CB550F Front Brake Caliper Parts

Choose a replacement front caliper assembly or the individual rebuild pieces for your 1975 Honda CB550F. Match the piston dimensions, sealing ring and original caliper reference, especially if the front brake has been changed during an earlier restoration.

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Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
Currently viewing Brake Caliper Rebuild Kits, Caliper Pistons, Bleed Screws

Honda motorcycle parts

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

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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1975 Honda CB550F · Front brake caliper parts Buying guide

Decide between a caliper assembly and individual rebuild parts

A damaged caliper body can need more than a new piston and seal. Inspect the existing assembly first, then compare the complete replacement with separate piston, sealing ring, bleed screw and adjuster choices.

Parts to consider

Honda CB Front Brake Caliper Assembly ~ Replaces Honda OEM 45100-390-405 Front brake caliper assemblyAftermarket replacement for 45100-390-405. Includes body, pads, piston, piston rubber, bleed screw, bolts and bleed cap.View part Honda CB Front Caliper Piston ~ Replaces 45107-323-020 Front caliper piston38.15 mm diameter × 34 mm height. Replaces reference 45107-323-020.View part Honda CB Caliper Piston Sealing Ring ~ Replaces 45108-300-003 Caliper piston sealing ringSeparate piston sealing ring for the front caliper. Replaces reference 45108-300-003.View part

Related parts: Caliper adjuster bolt, spring, washer and nut · Front caliper bleed screw · Caliper bolt and washer set

Rebuild only a serviceable body

Compare the separate piston and seal with the parts removed from the front caliper. New internals cannot correct damaged sealing surfaces or stripped threads in the body. Have the assembly inspected before ordering a partial repair, and follow the Honda manual for brake service rather than relying on a new piston alone.

Know what the replacement assembly contains

The featured caliper assembly includes the body, pads, piston, piston rubber, bleed screw, bolts and bleed cap. It is sold individually and may require final assembly before installation. The linked adjuster set contains an adjusting bolt, spring, washer and nut; compare those pieces with the hardware already on the bike.

Front Brake Caliper Parts FAQs

Does the separate piston include its sealing ring?

The piston and piston sealing ring are separate products in this category. The piston measures 38.15 × 34 mm and replaces 45107-323-020; the ring replaces 45108-300-003. Check both when planning an internal caliper rebuild.

Can I install the new caliper straight from the package?

The replacement may require final assembly. Confirm the included parts, compare the original caliper and reference, and have the front brake correctly assembled, installed, inspected and bled before riding. A replacement assembly is not a substitute for complete brake service.

What should I compare before buying a bleed screw?

Match the installed caliper and the screw reference, 45224-579-013. Inspect the caliper threads as well as the old screw. The rubber bleed cap is a separate protective piece; it does not repair a damaged screw seat or body.

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 1975 Honda CB550F Supersport

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