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1980 Honda CB400TA Hawk Front Caliper Parts

The original 1980 Hawk front caliper uses one piston, with a piston seal and separate shaft boots. Compare the installed caliper before choosing these service parts. A later front-end conversion can require a different seal, boot or bleeder despite the same model name.

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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...
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Honda CB750 CB650 CB400 front brake caliper shaft boot 45133-425-003

Honda CB750 / CB650 / CB400 Front Brake Caliper Shaft Boot ~ Replaces 45133-425-003

$4.95 USD
99-4951
Upgrade or restore your classic Honda motorcycle’s front brake system with this Front Brake Caliper Shaft Boot — a quality replacement designed to help...
Honda CB750 CB650 CB450 CB400 front caliper bleed screw 45224-413-003

Honda CB750 / CB650 / CB450 / CB400 Front Caliper Bleed Screw ~ Replaces 45224-413-003

$8.95 USD
73-0995
Replace your front caliper bleed screw with this Front Brake Caliper Bleed Screw, replacing OEM #45224-413-003.Key Features• Front brake caliper bleed screw• Replaces OEM...
Honda CB750C CB650C CB400 brake caliper piston 45107-413-003

1978-81 Honda CB750C / CB650C / CB400 Brake Caliper Piston ~ Replaces 45107-413-003

$69.95 USD
99-5101
Upgrade or restore your classic Honda motorcycle braking system with this high‑quality Brake Caliper Piston — precision engineered and Japanese made for reliable performance....
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1980 Honda CB400TA Hawk · Front Caliper Parts Buying guide

Identify the caliper before replacing its rubber parts

Piston sealing, shaft protection and bleeding use different components. These individually selected parts let you address the inspected areas without assuming that one rubber item constitutes a complete caliper rebuild kit.

Parts to consider

Honda CB Caliper Piston Sealing Ring ~ Replaces 45108-300-003 Front caliper piston sealReplacement sealing ring for reference 45108-300-003, used in the original single-piston front caliper.View part Honda CB750 / CB650 / CB400 Front Brake Caliper Shaft Boot ~ Replaces 45133-425-003 Caliper shaft bootSold individually; replaces reference 45133-425-003 at the caliper shafts.View part Honda CB750 / CB650 / CB450 / CB400 Front Caliper Bleed Screw ~ Replaces 45224-413-003 Front caliper bleed screwReplacement for Honda bleeder reference 45224-413-003. Match the original caliper and its bleeder seat.View part

Related parts: Bleed-screw rubber cap

Buy the correct rubber for its location

The piston ring references 45108-300-003 and seals the hydraulic piston. The shaft boot references 45133-425-003 and is sold individually. Honda’s 1980 diagram calls for four shaft boots, so count the ones being renewed rather than assuming the purchase is a full boot set.

Confirm the caliper before ordering bleeder parts

The featured bleed screw references 45224-413-003. Match the installed body and bleeder fitting before replacing it. The related rubber cap covers the bleeder externally and does not replace the screw. Use the Honda service procedure for hydraulic inspection, assembly and final testing.

Buying questions

How many shaft boots are supplied in one purchase?

The shaft boot is sold individually. The original 1980 caliper diagram specifies four shaft boots; order the number required for the positions you are renewing.

Will these parts fit a later replacement caliper?

Confirm the replacement caliper’s own reference and construction. The 1980 application alone does not establish fit for a different body, and piston seals and shaft boots are position-specific.

Is the bleed-screw rubber cap a hydraulic seal?

The related cap covers the outer end of the bleeder. The bleeder screw must still match and seal correctly in its own seat; replacing a cap cannot repair a damaged screw or caliper seat.

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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