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Honda CM400 Motorcycle Parts

Find Honda CM400 parts for catalog-listed CM400, CM400A, CM400C, CM400E and CM400T applications from 1978–1982. This is the deepest of the current model-specific Honda CM selections, with especially strong brake, engine, electrical and carburetor coverage plus suspension, clutch, fuel-system and control components.

Keep the suffix letter in your fitment check, then compare the individual product listing with your exact year. Browse the full Honda CM parts family or move directly to Honda CM450 parts. PartsNMore has supplied motorcycle parts since 2002 and ships orders over $50 free to the USA and Canada.

Supplying motorcycle parts since 2002. PartsNMore serves riders and restorers in Canada, the United States and beyond. Free shipping is available to the USA and Canada on orders over $50. About PartsNMore
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Free shipping to the USA and Canada on orders over $50.

Honda CB750 CB450 CB400 CB650 Master Cylinder Cover 45513-MA5-671

Honda CB750 CB450 CB400 CB650 Master Cylinder Cover - Replaces Honda OEM 45513-MA5-671

$21.46
29-0071
Brakes Brakes: Master Cylinder Rebuild Parts Honda CB Motorcycle Parts Honda CB1100 Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB650 Motorcycle Parts Honda CB750 Motorcycle Parts Honda CB900 Motorcycle Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CX Motorcycle Parts Honda CX500 Motorcycle Parts Honda GL1100 Gold Wing Parts Honda GL500 Silver Wing Parts Honda GL650 Silver Wing Parts Honda Gold Wing Motorcycle Parts Honda Motorcycle & ATV Parts
Honda CB750 CB450 CB400 CB650 Master Cylinder Cover - Replaces Honda OEM 45513-MA5-671. This master-cylinder cover or reservoir cap closes the fluid reservoir and...
Honda CB750 CB400 CB650 CB900 Master Cylinder Cover 45513-422-671

Honda CB750 CB400 CB650 CB900 Master Cylinder Cover - Replaces Honda OEM 45513-422-671

$16.21
29-0070
Brakes Brakes: Master Cylinder Rebuild Parts Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB650 Motorcycle Parts Honda CB750 Motorcycle Parts Honda CB900 Motorcycle Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CX Motorcycle Parts Honda CX500 Motorcycle Parts Honda GL1000 Gold Wing Parts Honda GL1100 Gold Wing Parts Honda Gold Wing Motorcycle Parts Honda Motorcycle & ATV Parts
Honda CB750 CB400 CB650 CB900 Master Cylinder Cover - Replaces Honda OEM 45513-422-671. This master-cylinder cover or reservoir cap closes the fluid reservoir and...
Honda CB450 CB400 CB650 GL1100 Caliper Rebuild Kit

Honda CB450 CB400 CB650 GL1100 Caliper Rebuild Kit

$35.45
29-0013
Brakes Brakes: Caliper Rebuild Parts Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB650 Motorcycle Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CMX Rebel Motorcycle Parts Honda CMX450 Rebel Parts Honda CX Motorcycle Parts Honda CX500 Motorcycle Parts Honda FT500 Ascot Motorcycle Parts Honda GB500 Tourist Trophy Parts Honda GL1100 Gold Wing Parts Honda GL500 Silver Wing Parts Honda Gold Wing Motorcycle Parts Honda Motorcycle & ATV Parts Honda VF Magna, Sabre & Interceptor Parts Honda VF700 Motorcycle Parts Honda VT Motorcycle Parts Honda VT1100 Motorcycle Parts Honda VT800 Motorcycle Parts
Honda CB450 CB400 CB650 GL1100 Caliper Rebuild Kit. This brake-caliper rebuild kit renews the caliper piston seals and related service pieces to restore hydraulic...
Honda Kawasaki Motorcycle Fork Dust Boots

Honda Kawasaki Motorcycle Fork Dust Boots

$18.57
27-1057
Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CX Motorcycle Parts Honda CX500 Motorcycle Parts Honda Motorcycle & ATV Parts Kawasaki KZ Motorcycle Parts Kawasaki KZ305 Parts Kawasaki KZ400 Parts Kawasaki KZ440 Parts Kawasaki Motorcycle Parts Suspension Suspension: Forks & Seals
Honda Kawasaki Motorcycle Fork Dust Boots. These fork dust boots or gaiters cover the exposed fork tubes to help keep dirt, water, and road...
Honda CB450 CB400 CM200 CM400 Rectifier Regulator 31600-KV8-681

Honda CB450 CB400 CM200 CM400 Rectifier Regulator - Replaces Honda OEM 31600-KV8-681

$174.57
24-2088
Electrical Electrical: Regulator Rectifier Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CM Motorcycle Parts Honda CM200T Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda FT500 Ascot Motorcycle Parts Honda GB500 Tourist Trophy Parts Honda Motorcycle & ATV Parts
Honda CB450 CB400 CM200 CM400 Rectifier Regulator - Replaces Honda OEM 31600-KV8-681. This regulator/rectifier controls charging voltage and rectifies stator output for the battery...
Honda CB450 CB400 CH150 CM200 Rectifier Regulator Lithium Ion Battery Compatible 31600-KV8-681

Honda CB450 CB400 CH150 CM200 Rectifier / Regulator - Lithium Ion Battery Compatible

$199.73
24-2034
Electrical Electrical: Regulator Rectifier Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CM Motorcycle Parts Honda CM200T Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda Elite CH, SA & SE Scooter Parts Honda FT500 Ascot Motorcycle Parts Honda GB500 Tourist Trophy Parts Honda Motorcycle & ATV Parts
Honda CB450 CB400 CH150 CM200 Rectifier / Regulator - Lithium Ion Battery Compatible - Replaces Honda OEM 31600-KV8-681. This battery supplies stored electrical power...
Honda CB750 CB400 GL1100 CX500 Carb Float 16013-679-005

Honda CB750 CB400 GL1100 CX500 Carb Float - Replaces Honda OEM 16013-679-005

$32.78
20-6506
Carburetor Carburetor: Carb Floats Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB750 Motorcycle Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CX Motorcycle Parts Honda CX500 Motorcycle Parts Honda GL1100 Gold Wing Parts Honda Gold Wing Motorcycle Parts Honda Motorcycle & ATV Parts
Honda CB750 CB400 GL1100 CX500 Carb Float - Replaces Honda OEM 16013-679-005. This carburetor float controls fuel level in the float bowl by raising...
Honda CB400 CX500 CM400 XL250 Air Cut Off Valve 16048-413-004

Honda CB400 CX500 CM400 XL250 Air Cut Off Valve - Replaces Honda OEM 16048-413-004

$25.16
20-4022
Carburetor Carburetor: Air Cut Off Valves Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CX Motorcycle Parts Honda CX500 Motorcycle Parts Honda Motorcycle & ATV Parts Honda XL Motorcycle Parts Honda XL250 Motorcycle Parts
Honda CB400 CX500 CM400 XL250 Air Cut Off Valve - Replaces Honda OEM 16048-413-004. This air cut-off valve supports the carburetor’s deceleration and idle...
Honda CB400 CM400 Engine Gasket Set

Honda CB400 CM400 Engine Gasket Set

$118.33
18-0103
Engine Engine: Gaskets & Rubbers Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda Motorcycle & ATV Parts
Honda CB400 CM400 Engine Gasket Set. This engine gasket set supplies the gaskets and seals needed to reseal the engine during teardown or rebuild....
Honda CB450SC CB400T CM400A Muffler Joint Gasket 37.5mm x 44mm x 19.5mm 18391-413-000

Honda CB450SC CB400T CM400A Muffler Joint Gasket - 37.5mm x 44mm x 19.5mm

$9.99
17-4504
Electrical Electrical: Gaskets Exhaust Exhaust: Gaskets Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda Motorcycle & ATV Parts
Honda CB450SC CB400T CM400A Muffler Joint Gasket - 37.5mm x 44mm x 19.5mm - Replaces Honda OEM 18391-413-000. This muffler joint gasket seals the...
Honda Motorcycle ATV Exhaust Gasket pack of 10 18212-634-000

Honda Motorcycle ATV Exhaust Gasket Pk/10 - Replaces Honda OEM 18212-634-000

$26.86
17-3813
Electrical Electrical: Gaskets Exhaust Exhaust: Gaskets Honda ATV Parts Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB550 Motorcycle Parts Honda CB650 Motorcycle Parts Honda CBR Motorcycle Parts Honda CBR600F Parts Honda CBR900RR Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CMX Rebel Motorcycle Parts Honda CMX450 Rebel Parts Honda Motorcycle & ATV Parts Honda NT Motorcycle Parts Honda NT650 Motorcycle Parts Honda TRX ATV Parts Honda TRX250 Parts Honda TRX250X Parts Honda TRX300 Parts Honda TRX300FW Parts Honda VF Magna, Sabre & Interceptor Parts Honda VF1000 Motorcycle Parts Honda VF1100 Motorcycle Parts Honda VT Motorcycle Parts Honda VT500 Motorcycle Parts Honda VT600 Motorcycle Parts Honda VT750 Motorcycle Parts Honda VTR Motorcycle Parts Honda VTR250 Motorcycle Parts Honda XL Motorcycle Parts Honda XL600 Motorcycle Parts
Honda Motorcycle ATV Exhaust Gasket Pk/10 - Replaces Honda OEM 18212-634-000. This exhaust gasket seals the exhaust port, flange, or pipe joint during exhaust...
Honda Motorcycle ATV Exhaust Gasket (Each) 18212-634-000

Honda Motorcycle ATV Exhaust Gasket (Each) - Replaces Honda OEM 18212-634-000

$3.33
17-2813
Electrical Electrical: Gaskets Exhaust Exhaust: Gaskets Honda ATV Parts Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB550 Motorcycle Parts Honda CB650 Motorcycle Parts Honda CBR Motorcycle Parts Honda CBR600F Parts Honda CBR900RR Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CMX Rebel Motorcycle Parts Honda CMX450 Rebel Parts Honda Motorcycle & ATV Parts Honda NT Motorcycle Parts Honda NT650 Motorcycle Parts Honda TRX ATV Parts Honda TRX250 Parts Honda TRX250X Parts Honda TRX300 Parts Honda TRX300FW Parts Honda VF Magna, Sabre & Interceptor Parts Honda VF1000 Motorcycle Parts Honda VF1100 Motorcycle Parts Honda VT Motorcycle Parts Honda VT500 Motorcycle Parts Honda VT600 Motorcycle Parts Honda VT750 Motorcycle Parts Honda VTR Motorcycle Parts Honda VTR250 Motorcycle Parts Honda XL Motorcycle Parts Honda XL600 Motorcycle Parts
Honda Motorcycle ATV Exhaust Gasket (Each) - Replaces Honda OEM 18212-634-000. This exhaust gasket seals the exhaust port, flange, or pipe joint during exhaust...
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Honda CB750 CB550 CB500 CB400 Black Steering Stem Nut Joker Machine 90304-415-000

Honda CB750 CB550 CB500 CB400 Black Steering Stem Nut - Joker Machine

$51.73
12-0073
Honda CB Motorcycle Parts Honda CB350 Motorcycle Parts Honda CB360 Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB500 Motorcycle Parts Honda CB550 Motorcycle Parts Honda CB750 Motorcycle Parts Honda CJ Motorcycle Parts Honda CL Scrambler Motorcycle Parts Honda CL350 Motorcycle Parts Honda CL360 Motorcycle Parts Honda CL450 Motorcycle Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda Motorcycle & ATV Parts Honda SL Motorcycle Parts Honda SL350 Motorcycle Parts Suspension Suspension: Steering Hardware & Dampers
Honda CB750 CB550 CB500 CB400 Black Steering Stem Nut - Joker Machine - Replaces Honda OEM 90304-415-000. This nut fastens the specified component onto...
Honda CB750 CB550 CB500 CB400 Stop Switch 35350-292-003

Honda CB750 CB550 CB500 CB400 Stop Switch - Replaces Honda OEM 35350-292-003

$9.62
12-0008
Electrical Electrical: Switches & Sensors Honda CA Motorcycle Parts Honda CA175 Motorcycle Parts Honda CB Motorcycle Parts Honda CB100 Motorcycle Parts Honda CB125 Motorcycle Parts Honda CB200 Motorcycle Parts Honda CB350 Motorcycle Parts Honda CB360 Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB500 Motorcycle Parts Honda CB550 Motorcycle Parts Honda CB750 Motorcycle Parts Honda CJ Motorcycle Parts Honda CL Scrambler Motorcycle Parts Honda CL100 Motorcycle Parts Honda CL125 Motorcycle Parts Honda CL175 Motorcycle Parts Honda CL200 Motorcycle Parts Honda CL350 Motorcycle Parts Honda CL450 Motorcycle Parts Honda CM Motorcycle Parts Honda CM185 Motorcycle Parts Honda CM200T Motorcycle Parts Honda CM250 Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CT Motorcycle Parts Honda CT125 Motorcycle Parts Honda GL1000 Gold Wing Parts Honda Gold Wing Motorcycle Parts Honda Motorcycle & ATV Parts Honda MT Motorcycle Parts Honda MT125 Motorcycle Parts Honda MT250 Motorcycle Parts Honda SL Motorcycle Parts Honda SL100 Motorcycle Parts Honda SL125 Motorcycle Parts Honda SL350 Motorcycle Parts Honda SS125A Super Sport Parts Honda ST Motorcycle Parts Honda ST90 Vintage Motorcycle Parts Honda XL Motorcycle Parts Honda XL100 Motorcycle Parts Honda XL125 Motorcycle Parts Honda XL175 Motorcycle Parts Honda XL250 Motorcycle Parts Honda XL350 Motorcycle Parts
Honda CB750 CB550 CB500 CB400 Stop Switch - Replaces Honda OEM 35350-292-003. This brake stop switch operates the brake-light circuit when the matching brake...
Honda CB750 CB550 CB500 CB350 Indicator Stem

Honda CB750 CB550 CB500 CB350 Indicator Stem

$12.58
11-2167
Electrical Electrical: Turn Signals & Stems Honda CA Motorcycle Parts Honda CA175 Motorcycle Parts Honda CB Motorcycle Parts Honda CB125 Motorcycle Parts Honda CB175 Motorcycle Parts Honda CB200 Motorcycle Parts Honda CB350 Motorcycle Parts Honda CB360 Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB500 Motorcycle Parts Honda CB550 Motorcycle Parts Honda CB750 Motorcycle Parts Honda CL Scrambler Motorcycle Parts Honda CL125 Motorcycle Parts Honda CL175 Motorcycle Parts Honda CL350 Motorcycle Parts Honda CL360 Motorcycle Parts Honda CL450 Motorcycle Parts Honda CM Motorcycle Parts Honda CM200T Motorcycle Parts Honda CM250 Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda Motorcycle & ATV Parts Honda MT Motorcycle Parts Honda MT125 Motorcycle Parts Honda SS125A Super Sport Parts Honda XL Motorcycle Parts Honda XL100 Motorcycle Parts Honda XL125 Motorcycle Parts Honda XL175 Motorcycle Parts Honda XL250 Motorcycle Parts Honda XL350 Motorcycle Parts
Honda CB750 CB550 CB500 CB350 Indicator Stem. This indicator mount or collar supports the turn signal at the correct position, spacing, and angle. Fitment...
Honda CB750 CB550 CB500 CB350 Indicator Gasket 33443-268-671

Honda CB750 CB550 CB500 CB350 Indicator Gasket - Replaces Honda OEM 33443-268-671

$4.29
11-2085
Electrical Electrical: Turn Signals & Stems Honda C70 & C50 Super Cub Parts Honda CA Motorcycle Parts Honda CA175 Motorcycle Parts Honda CB Motorcycle Parts Honda CB100 Motorcycle Parts Honda CB125 Motorcycle Parts Honda CB175 Motorcycle Parts Honda CB200 Motorcycle Parts Honda CB350 Motorcycle Parts Honda CB360 Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB500 Motorcycle Parts Honda CB550 Motorcycle Parts Honda CB750 Motorcycle Parts Honda CJ Motorcycle Parts Honda CL Scrambler Motorcycle Parts Honda CL100 Motorcycle Parts Honda CL125 Motorcycle Parts Honda CL175 Motorcycle Parts Honda CL200 Motorcycle Parts Honda CL350 Motorcycle Parts Honda CL360 Motorcycle Parts Honda CL450 Motorcycle Parts Honda CL70 Motorcycle Parts Honda CL90 Motorcycle Parts Honda CM Motorcycle Parts Honda CM185 Motorcycle Parts Honda CM200T Motorcycle Parts Honda CM250 Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CT Motorcycle Parts Honda CT125 Motorcycle Parts Honda CT70 Motorcycle Parts Honda CT90 Motorcycle Parts Honda CX Motorcycle Parts Honda CX500 Motorcycle Parts Honda Motorcycle & ATV Parts Honda MT Motorcycle Parts Honda MT125 Motorcycle Parts Honda MT250 Motorcycle Parts Honda S90 & S65 Motorcycle Parts Honda SS125A Super Sport Parts Honda ST Motorcycle Parts Honda ST90 Vintage Motorcycle Parts Honda XL Motorcycle Parts Honda XL100 Motorcycle Parts Honda XL125 Motorcycle Parts Honda XL175 Motorcycle Parts Honda XL250 Motorcycle Parts Honda XL350 Motorcycle Parts Honda XL70 Motorcycle Parts Honda XL75 Motorcycle Parts
Honda CB750 CB550 CB500 CB350 Indicator Gasket - Replaces Honda OEM 33443-268-671. This indicator gasket seals the turn-signal lens or cover joint to help...
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
Brakes Brakes: Brake Levers & Parts Honda CB Motorcycle Parts Honda CB1100 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB650 Motorcycle Parts Honda CB750 Motorcycle Parts Honda CB900 Motorcycle Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CX Motorcycle Parts Honda CX500 Motorcycle Parts Honda CX650 Motorcycle Parts Honda GL1100 Gold Wing Parts Honda GL1200 Gold Wing Parts Honda GL500 Silver Wing Parts Honda GL650 Silver Wing Parts Honda Gold Wing Motorcycle Parts Honda Motorcycle & ATV Parts
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...
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
Brakes Brakes: Brake Levers & Parts Honda CB Motorcycle Parts Honda CB1100 Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB650 Motorcycle Parts Honda CB750 Motorcycle Parts Honda CB900 Motorcycle Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CX Motorcycle Parts Honda CX500 Motorcycle Parts Honda CX650 Motorcycle Parts Honda GL1100 Gold Wing Parts Honda GL1200 Gold Wing Parts Honda GL500 Silver Wing Parts Honda GL650 Silver Wing Parts Honda Gold Wing Motorcycle Parts Honda Motorcycle & ATV Parts
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...
Honda CB400 CM400 Cam Chain Tensioner 14500-413-000

Honda CB400 CM400 Cam Chain Tensioner - Replaces Honda OEM 14500-413-000

$32.78
07-0193
Engine Engine: Camshaft Drive Parts Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda Motorcycle & ATV Parts
Honda CB400 CM400 Cam Chain Tensioner - Replaces Honda OEM 14500-413-000. This cam-chain tensioner maintains correct cam-chain tension to preserve valve timing. Replace worn,...
Honda Motorcycle ATV Sidecover Damper Rubber A 17247-303-000

Honda Motorcycle ATV Sidecover Damper Rubber A - Replaces Honda OEM 17247-303-000

$2.37
02-6532
Frame & Controls Frame & Controls: Side Covers & Emblems Honda ATV Parts Honda CA Motorcycle Parts Honda CA175 Motorcycle Parts Honda CB Motorcycle Parts Honda CB100 Motorcycle Parts Honda CB125 Motorcycle Parts Honda CB175 Motorcycle Parts Honda CB200 Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CB500 Motorcycle Parts Honda CB550 Motorcycle Parts Honda CB750 Motorcycle Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CL Scrambler Motorcycle Parts Honda CL100 Motorcycle Parts Honda CL125 Motorcycle Parts Honda CL175 Motorcycle Parts Honda CL200 Motorcycle Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CT Motorcycle Parts Honda CT125 Motorcycle Parts Honda CX Motorcycle Parts Honda CX500 Motorcycle Parts Honda CX650 Motorcycle Parts Honda GL500 Silver Wing Parts Honda GL650 Silver Wing Parts Honda Gold Wing Motorcycle Parts Honda Motorcycle & ATV Parts Honda SL Motorcycle Parts Honda SL100 Motorcycle Parts Honda SL125 Motorcycle Parts Honda SL175 Motorcycle Parts Honda SL350 Motorcycle Parts Honda TL Trials Motorcycle Parts Honda TL125 Motorcycle Parts Honda TRX ATV Parts Honda TRX250 Parts Honda XL Motorcycle Parts Honda XL100 Motorcycle Parts Honda XL125 Motorcycle Parts Honda XL185 Motorcycle Parts Honda XR Motorcycle Parts Honda XR185 Motorcycle Parts Honda XR200 Motorcycle Parts
Honda Motorcycle ATV Sidecover Damper Rubber A - Replaces Honda OEM 17247-303-000. This side-cover rubber cushions and retains the side cover at its frame...
Honda Motorcycle ATV Valve Stem Seal 12208-413-003

Honda Motorcycle ATV Valve Stem Seal - Replaces Honda OEM 12208-413-003

$2.89
01-0128
Engine Engine: Valvetrain Parts Honda ATC Three-Wheeler Parts Honda ATC125M Parts Honda ATC185 Parts Honda ATC185S Parts Honda ATC200 Parts Honda ATC200E Parts Honda ATC200X Parts Honda ATC250ES Parts Honda ATC250R Parts Honda ATC250SX Parts Honda ATV Parts Honda CB Motorcycle Parts Honda CB250 Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CBR Motorcycle Parts Honda CBR1000F Parts Honda CBX Motorcycle Parts Honda CBX250 Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CMX Rebel Motorcycle Parts Honda CMX250 Rebel Parts Honda CT Motorcycle Parts Honda CT110 Motorcycle Parts Honda Motorcycle & ATV Parts Honda TLR Trials Motorcycle Parts Honda TRX ATV Parts Honda TRX200 Parts Honda TRX200SX Parts Honda TRX250 Parts Honda TRX350 Parts Honda VT Motorcycle Parts Honda VT500 Motorcycle Parts Honda VT600 Motorcycle Parts Honda XL Motorcycle Parts Honda XL100 Motorcycle Parts Honda XL125 Motorcycle Parts Honda XL185 Motorcycle Parts Honda XL200 Motorcycle Parts Honda XL250 Motorcycle Parts Honda XL350 Motorcycle Parts Honda XR Motorcycle Parts Honda XR100 Motorcycle Parts Honda XR200 Motorcycle Parts Honda XR250 Motorcycle Parts Honda XR350 Motorcycle Parts
Honda Motorcycle ATV Valve Stem Seal - Replaces Honda OEM 12208-413-003. This valve-stem seal controls oil at the valve guide while allowing the valve...
Honda CB450 CB400 CM400 CM450 Valve Stem Seal 12209-413-003

Honda CB450 CB400 CM400 CM450 Valve Stem Seal - Replaces Honda OEM 12209-413-003

$2.15
01-0127
Engine Engine: Valvetrain Parts Honda CB Motorcycle Parts Honda CB400 Motorcycle Parts Honda CB450 Motorcycle Parts Honda CM Motorcycle Parts Honda CM400 Motorcycle Parts Honda CM450 Motorcycle Parts Honda CMX Rebel Motorcycle Parts Honda CMX450 Rebel Parts Honda Motorcycle & ATV Parts Honda NT Motorcycle Parts Honda NT650 Motorcycle Parts Honda PC800 Pacific Coast Motorcycle Parts Honda VT Motorcycle Parts Honda VT500 Motorcycle Parts Honda XL Motorcycle Parts Honda XL600 Motorcycle Parts Honda XR Motorcycle Parts Honda XR650 Motorcycle Parts
Honda CB450 CB400 CM400 CM450 Valve Stem Seal - Replaces Honda OEM 12209-413-003. This valve-stem seal controls oil at the valve guide while allowing...
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Shop the Best-Stocked Honda CM Model Hub

The CM400 page consolidates exact applications for the base CM400 and its A, C, E and T variants. Current inventory is strongest in brakes, engine parts and electrical components, followed by carburetor, suspension, clutch, air-and-fuel and frame-and-control products. This model-level structure provides a more useful starting point than a broad Honda-only search.

CM400 Variant Codes Matter

Catalog applications cover 1978–1982, but not every part fits every suffix or year. CM400A, CM400C, CM400E and CM400T should remain distinct during verification. A listing that names several variants is evidence only for the exact variants and years shown; it should not be expanded to the full family by assumption.

Practical Fitment Review

Confirm the model suffix, year, dimensions, connector style, mounting points and included quantity. For carburetor, brake and electrical components, small specification differences can be decisive. Compare any verified Honda reference number with the original part or a reliable fiche and read the complete product notes before ordering.

Navigate the Honda CM Family

Compare Honda CM450 parts for the next larger model group, or use CM250, CM200 and CM185 pages for smaller applications. The Honda CM hub connects all five model collections.

Frequently Asked Questions

Which Honda CM400 variants are included?
The collection uses the exact model values CM400, CM400A, CM400C, CM400E and CM400T.
What years of Honda CM400 are covered?
Current catalog fitment covers 1978–1982. Confirm the precise variant and year on every product listing.
What are the strongest CM400 part categories?
Brake, engine and electrical components lead the current selection, with carburetor, suspension, clutch, fuel and control items also represented.
Are CM400A and CM400T parts interchangeable?
Only when the individual listing explicitly supports both exact variants and your model year. Do not infer interchange from the shared CM400 name.
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