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In stock
Honda Motorcycle ATV Rear Master Cylinder Reservoir Diaphragm 45520-300-000

Honda Motorcycle ATV Rear Master Cylinder Reservoir Diaphragm

$10.29
08-0282
Honda ATC Three-Wheeler Parts Honda ATC250R Parts Honda ATV & ATC Parts Honda CB Motorcycle Parts Honda CB1000 Parts Honda CB1000C Parts Honda CB1100 Parts Honda CB1100F Parts Honda CB750 Parts Honda CB750F Super Sport Parts (1975–1982) Honda CB900 Parts Honda CB900C Parts Honda CB900F Parts Honda CBR Motorcycle Parts Honda CBR1000F Parts Honda CBR1100XX Parts Honda CBR600F Parts Honda CBR600F2 Parts Honda CBR600F3 Parts Honda CBR600F4 Parts Honda CBR600SE Parts Honda CBR600SJR Parts Honda CBR900RE Parts Honda CBR900RR Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CX Motorcycle Parts Honda CX500 Parts Honda CX500TC Turbo Parts Honda CX650 Parts Honda CX650T Turbo Parts Honda FT500 Ascot Motorcycle Parts Honda FT500 Parts Honda GL1000 Gold Wing Parts Honda GL1100 Gold Wing Parts Honda GL1100A Parts Honda GL1100I Parts Honda GL1200 Gold Wing Parts Honda GL1200A Aspencade Parts Honda GL1200I Interstate Parts Honda GL1200L Limited Parts Honda GL1200SEI SE-i Parts Honda GL1800 Gold Wing Parts Honda GL1800A Parts Honda Gold Wing Motorcycle Parts Honda NSA700 Parts Honda NSA700A DN-01 Parts Honda NT Motorcycle Parts Honda NT700 Parts Honda RVF750R Parts Honda RVF750R RC45 Parts Honda RVT1000R Parts Honda RVT1000R RC51 Parts Honda ST Motorcycle Parts Honda ST1100 Pan European Parts Honda ST1100A Parts Honda ST1300 Pan European Parts Honda ST1300A Parts Honda TRX ATV Parts Honda VF Magna, Sabre & Interceptor Parts Honda VF750 Parts Honda VF750F Parts Honda VFR Motorcycle Parts Honda VFR750 Interceptor Parts Honda VFR750F Parts Honda VFR750R RC30 Parts Honda VT Motorcycle Parts Honda VT1100 Shadow Parts Honda VT1100C Shadow & Spirit Parts Honda VT1100C2 Shadow ACE & Sabre Parts Honda VT1300 Parts Honda VTX Motorcycle Parts Motorcycle Brake Master Cylinder Rebuild Kits Vintage Honda Motorcycle Parts Vintage Motorcycle Brake Parts & Rebuild Kits
Honda Motorcycle ATV Rear Master Cylinder Reservoir Diaphragm - Replaces Honda OEM 45520-300-000. This master-cylinder reservoir diaphragm seals under the reservoir cap while allowing...
In stock
Honda GL1100 GL1100A GL1100I Rear Master Cylinder Repair Kit 43520-MB9-781

Honda GL1100 GL1100A GL1100I Rear Master Cylinder Repair Kit - Replaces Honda OEM 43520-MB9-781

$49.21
08-0277
Honda GL1100 Gold Wing Parts Honda GL1100A Parts Honda GL1100I Parts Honda Gold Wing Motorcycle Parts Motorcycle Brake Master Cylinder Rebuild Kits Vintage Honda Motorcycle Parts Vintage Motorcycle Brake Parts & Rebuild Kits
Honda GL1100 GL1100A GL1100I Rear Master Cylinder Repair Kit - Replaces Honda OEM 43520-MB9-781. This rear master-cylinder repair kit renews the hydraulic master cylinder’s...
In stock
Honda CB750 CB450 CB650 CB900 Brake Lever 53175-MA5-671

Honda CB750 CB450 CB650 CB900 Brake Lever - Replaces Honda OEM 53175-MA5-671

$9.62
08-0085
Honda CB Motorcycle Parts Honda CB1100 Parts Honda CB1100F Parts Honda CB450 Parts Honda CB450SC Nighthawk Parts Honda CB450T Hawk Parts Honda CB650 Parts Honda CB650C Parts Honda CB650SC Parts Honda CB750 Parts Honda CB750C Custom Parts (1980–1982) Honda CB750F Super Sport Parts (1975–1982) Honda CB750K Parts (1969–1982) Honda CB750SC & Nighthawk 750 Parts Honda CB900 Parts Honda CB900C Parts Honda CB900F Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CM Motorcycle Parts Honda CM400 Parts Honda CM400A Parts Honda CM400T Parts Honda CM450 Parts Honda CM450E Parts Honda CX Motorcycle Parts Honda CX500 Parts Honda CX500C Custom Parts Honda CX500T Turbo Parts Honda CX650 Parts Honda CX650C Custom Parts Honda CX650E Eurosport Parts Honda CX650T Turbo Parts Honda GL1100 Gold Wing Parts Honda GL1100A Parts Honda GL1100I Parts Honda GL1200 Gold Wing Parts Honda GL1200A Aspencade Parts Honda GL1200I Interstate Parts Honda GL1200L Limited Parts Honda GL1200SEI SE-i Parts Honda GL500 Silver Wing Parts Honda GL500I Parts Honda GL650 Silver Wing Parts Honda GL650I Parts Honda Gold Wing Motorcycle Parts Motorcycle Brake Levers, Pivots & Adjusters Vintage Honda Motorcycle Parts Vintage Motorcycle Brake Parts & Rebuild Kits
Honda CB750 CB450 CB650 CB900 Brake Lever - Replaces Honda OEM 53175-MA5-671. This brake lever operates the front master cylinder or cable-actuated brake mechanism...
In stock
Honda CB750 CB450 CB400 CB650 Chrome Brake Lever 53175-MA5-671

Honda CB750 CB450 CB400 CB650 Chrome Brake Lever - Replaces Honda OEM 53175-MA5-671

$17.76
07-9995
Honda CB Motorcycle Parts Honda CB1100 Parts Honda CB1100F Parts Honda CB400 Parts Honda CB400T Parts Honda CB450 Parts Honda CB450SC Nighthawk Parts Honda CB450T Hawk Parts Honda CB650 Parts Honda CB650C Parts Honda CB650SC Parts Honda CB750 Parts Honda CB750C Custom Parts (1980–1982) Honda CB750F Super Sport Parts (1975–1982) Honda CB750K Parts (1969–1982) Honda CB750SC & Nighthawk 750 Parts Honda CB900 Parts Honda CB900C Parts Honda CB900F Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CM Motorcycle Parts Honda CM400 Parts Honda CM400A Parts Honda CM400C Parts Honda CM400T Parts Honda CM450 Parts Honda CM450A Parts Honda CM450C Parts Honda CX Motorcycle Parts Honda CX500 Parts Honda CX500C Custom Parts Honda CX500TC Turbo Parts Honda CX650 Parts Honda CX650C Custom Parts Honda CX650T Turbo Parts Honda GL1100 Gold Wing Parts Honda GL1100A Parts Honda GL1100I Parts Honda GL1200 Gold Wing Parts Honda GL1200A Aspencade Parts Honda GL1200I Interstate Parts Honda GL1200L Limited Parts Honda GL1200SEI SE-i Parts Honda GL500 Silver Wing Parts Honda GL500I Parts Honda GL650 Silver Wing Parts Honda GL650I Parts Honda Gold Wing Motorcycle Parts Motorcycle Brake Levers, Pivots & Adjusters Vintage Honda Motorcycle Parts Vintage Motorcycle Brake Parts & Rebuild Kits
Honda CB750 CB450 CB400 CB650 Chrome Brake Lever - Replaces Honda OEM 53175-MA5-671. This brake lever operates the front master cylinder or cable-actuated brake...

About the Honda GL1100I Interstate

Choose the repair below, then match the exact GL1100I year and the assembly fitted to the motorcycle. The engine family spans all four years, but several brake parts split between 1980–1981, 1982 and 1983.

Honda Motorcycle Logo

Honda launched the 1,085 cc GL1100 for 1980 with a liquid-cooled OHC horizontally opposed four, torque-focused tuning, a longer wheelbase and shaft final drive. The GL1100I Interstate became the first Gold Wing supplied with its fairing, saddlebags and trunk as standard equipment.

Interstate identity and year-specific service parts matter

Honda introduced the more highly equipped GL1100A Aspencade in 1982, so Interstate and Aspencade trim, control and touring-equipment parts should not be treated as interchangeable merely because selected engine service parts overlap. Timing-belt, carburetor, water-pump and fork-seal products below list GL1100I 1980–1983. The front master-cylinder applications split cleanly: 08-0210 for 1980–1981, 08-0209 for 1982 and 08-0201 for 1983.

Identify the model and plan the repairModel and application differences

Original model identity

Interstate versus Standard

Honda supplied the Interstate with a fairing, saddlebags and trunk as standard equipment. A Standard fitted later with touring accessories remains a GL1100 for engine and chassis applications.

Parts checkpoint: Use the frame identity for the motorcycle and match accessory hardware to what is actually installed.

1982–1983 luxury model

Interstate versus Aspencade

The Interstate began in 1980. Honda added the GL1100 Aspencade in 1982 with LCD instrumentation, audio equipment and additional passenger-comfort features.

Parts checkpoint: Shared engine parts do not establish fairing, instrument, control or luggage interchange.

1980–1983 brake changes

Three front-master-cylinder applications

The selected front master-cylinder kits divide into 1980–1981, 1982 and 1983 applications rather than one four-year fitment.

Parts checkpoint: Choose 08-0210, 08-0209 or 08-0201 by exact year and installed cylinder.

Frame, engine and fitted componentsHonda GL1100I Interstate identification checklist

Start with the original motorcycle identity, then verify the exact component being serviced. Previous owners may have added touring equipment or exchanged brake, carburetor and suspension assemblies.

GL1100I Interstate identification and ordering checks
SystemYear or applicationCheck before ordering
Original modelGL1100I, 1980–1983Verify the complete frame/VIN label, model year and documentation.
Touring equipmentFactory fairing, saddlebags and trunkAccessories added to a Standard do not change its original model identity. Match accessory hardware to what is fitted.
Front master cylinder08-0210: 1980–81; 08-0209: 1982; 08-0201: 1983Verify bore, piston and cup-seal style, reservoir and the installed assembly.
Front brake pads29-3547: 1980–81; 29-3532 or 29-3603: 1982–83Confirm front position, backing-plate shape, retaining hardware and package quantity.
Front fork27-1029 lists 39 × 52 × 11 mm sealsVerify the fitted tubes and old seal markings, especially if the fork assembly may have been changed.
Carburetors48-1405 lists 1980–83Confirm the carburetor model, kit contents, jets and quantity required for the planned work.
Need help identifying an Interstate part?

Contact PartsNMore with the complete model and year, frame information, component markings and clear photos of the assembly being repaired.

Honda GL1100I parts questions

How is a GL1100I Interstate different from a GL1100 Standard?
Honda supplied the Interstate with a fairing, saddlebags and trunk as standard equipment. A Standard carrying aftermarket touring equipment remains a GL1100 for engine and chassis fitment; match accessory hardware to what is actually fitted.
Which front master-cylinder kit fits my GL1100I?
Kit 08-0210 lists GL1100I 1980–1981, 08-0209 lists 1982, and 08-0201 lists 1983. Verify the installed bore, piston and cup-seal style, reservoir and OEM reference because master-cylinder assemblies may have been exchanged.
Which timing belt fits a 1980–1983 GL1100I?
Timing belt 01-0142, reference 14400-679-014X, lists GL1100I 1980–1983 and is sold individually. Inspect the complete timing drive and order the quantity required for the planned service.
Which carburetor rebuild kit fits the GL1100I?
Carburetor kit 48-1405 lists GL1100I 1980–1983. Confirm the carburetor model, bowl-gasket shape, jets, included pieces and how many kits the planned repair requires before ordering.

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