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1978 Honda CB750K Stock & Pod Air Filters

Choose the stock-type element for a retained stock intake, or compare the listed round and oval pods for a custom arrangement. This 1978 CB750K route also contains a carb support bracket. Identify the intake already fitted before choosing filters by finish or shape.

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Currently viewing Air Filters, Vent Filters

Honda motorcycle parts

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Honda CB750 stock type air filter 17211-405-000

1969-78 Honda CB750 Stock Type Air Filter ~ Replaces 17211-405-000

$25.95 USD
15-0060
Replace your SOHC CB750's stock air filter with this Stock-Type Air Filter, replacing OEM #17211-405-000.Key Features• Stock-type air filter• Replaces OEM #17211-405-000• Honda part...
Honda CB750F CB750K CB650 round pod air filter

1977-80 Honda CB750F / CB750K / CB650 Round Pod Air Filter

$21.95 USD
15-0031
Fit the intermediate-size pod filter with this 42mm Round Pod Air Filter featuring a chrome end cap. Circular style, supplied dry, washable.Please confirm you...
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Honda CB750F CB750K foam round pod air filter

1977-78 Honda CB750F / CB750K Foam Round Pod Air Filter

$15.95 USD
15-0165
Fit foam pods to your late-'70s CB750 with this 42mm Round Foam Pod Air Filter featuring a black plastic base around the rubber mouth....
Honda CB750 and CB650 42mm black pod air filter

42mm Black Round Pod Air Filter

$24.95 USD
15-0168
Replace worn or restrictive clamp-on filters with this aftermarket 42mm round pod air filter. The black end cap gives the filter a darker custom...
Honda CB750F CB750K carburetor stabilizer bracket

1977-78 Honda CB750F / CB750K Carburetor Stabilizer Bracket

$74.95 USD
29-0537
Stabilize your CB750 carburetors when running pods or hardtails with this Carburetor Stabilizer Bracket. Comes with a 7mm spacer and 30mm socket head cap...
Honda CB750F CB750K oval pod air filter

1977-78 Honda CB750F / CB750K Oval Pod Air Filter

$27.95 USD
15-0033
Fit oval-style pods to your late-'70s CB750 with this 42mm Tapered Oval Pod Filter with chrome end cap. Supplied dry, washable filtration material can...
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1978 Honda CB750K · Stock & pod air filters Buying guide

Choose the mounting arrangement before the filter shape

Honda’s 1978 K8 supplement specifies paper air filtration for the original arrangement. The offered stock-type replacement is identified by reference 17211-405-000; clamp-on pods are a different intake choice. Confirm the airbox or carburetor inlets actually fitted before choosing a replacement.

Parts to consider

1969-78 Honda CB750 Stock Type Air Filter ~ Replaces 17211-405-000 Stock-type filter elementReplacement element referencing 17211-405-000 for the listed stock intake application.View part 1977-80 Honda CB750F / CB750K / CB650 Round Pod Air Filter Round chrome-end-cap podRound pod with a listed 42mm mounting size, supplied dry with washable media. Confirm the inlet size first.View part 1977-78 Honda CB750F / CB750K Oval Pod Air Filter Tapered oval chrome-end-cap podOval-style pod with a listed 42mm mounting size. Compare its shape and available space on the actual motorcycle.View part

Related parts: Foam round pod with included clamp · Black-end-cap round pod · Custom carb support bracket

Use the fitted inlet rather than the model label alone

The round and oval pod listings give a 42mm mounting size. Replacement carburetors can change what must be matched, so measure the actual inlet and review the space around it. An airbox element is a different product; choose it from the airbox fitted, not from pod dimensions.

Read the individual pod and support contents

The foam round pod explicitly includes a band clamp. The black-end-cap pod is sold individually. The stainless support bracket is listed for pods or no airbox and includes a 7 mm spacer and 30 mm socket-head cap screw. Those contents are separate from the filters and do not form a complete intake package.

Common questions

Is the K8 breather element the same item as the stock air-filter element?

Honda’s K8 supplement shows a separate breather-element case with its own element, retaining plate, O-ring and cover. The stock-type filter offered here replaces 17211-405-000; its description does not identify it as that breather element. Identify the housing and part being serviced before ordering, and keep the two maintenance tasks separate.

Do the washable pod filters arrive already treated with oil?

The chrome round and tapered oval pods are described as supplied dry, with washable media that can be oiled. The black-end-cap pod likewise arrives dry and allows suitable filter oil. The foam pod’s description names its material and included clamp without giving the same preparation details; confirm the instructions for the specific filter you choose.

Will changing filters identify which jets I need?

These filter listings do not provide a complete jetting specification for every intake and exhaust combination. Choose a filter that physically matches the intended arrangement, then verify any carburetor requirements separately. Do not select an arbitrary jet size from the filter shape or finish.

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