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1972 Honda CB350K4 Tappet Caps & Oil-Filter Covers

Two very different cover jobs appear here for the 1972 CB350K4: replacing a valve-access cap and servicing the outer centrifugal oil-filter cover. Choose by location first, then compare finish and supplied seals so a cosmetic change does not leave the repair incomplete.

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Currently viewing Engine Covers & Accessories

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Honda CB valve tappet cover rocker cap 12361-300-000

Honda CB Valve Tappet Cover / Rocker Cap ~ Replaces 12361-300-000

$6.95 USD
01-9980
Dress up your Honda's top end with this Valve Tappet Cover (Rocker Cap), an aftermarket finned chrome-plated replacement for OEM #12361-300-000. Fits an exceptionally...
Sold out
Honda CB350K CL350K centrifugal oil filter cover assembly kit 15481-312-000

Honda CB350K / CL350K Centrifugal Oil Filter Cover Assembly Kit

$64.95 USD
15-3029
Aftermarket centrifugal oil filter cover assembly kit for the Honda CB350K and CL350K models listed below. This kit replaces the original oil filter cover...
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1972 Honda CB350K4 · Engine Covers Buying guide

Choose the cover by its opening and supplied seal

The finned chrome tappet cap is an aftermarket appearance choice supplied with a gasket. The linked oil-filter cover kit includes internal guide pieces and a larger O-ring for another opening.

Parts to consider

Honda CB Valve Tappet Cover / Rocker Cap ~ Replaces 12361-300-000 Finned chrome tappet capAftermarket finned, chrome-plated cap supplied individually with a new gasket; reference 12361-300-000.View part

Related parts: Centrifugal oil-filter cover kit

Choose the tappet cap for finish and coverage

The chrome-plated finned cap is sold individually with a new gasket. It is an aftermarket alternative to the original appearance. Count the caps you want to replace, compare the fitted threads and clearance, and retain service access when considering nearby custom hardware.

Check the oil cover kit’s complete purpose

The linked cover assembly supplies the outer cover, oil-guide metal, spring, stopper and 63.5 × 2 mm O-ring. These parts belong to the centrifugal oil-filter assembly. Check the existing cover design before ordering and use the service manual for the internal component arrangement.

Buying questions

Does one tappet-cap purchase contain a complete set?

No. The finned chrome cap is sold individually, with one new gasket included. Count the valve-access caps you intend to replace rather than assuming one product covers the engine.

Is the chrome finned cap a genuine Honda restoration part?

It is described as an aftermarket finned chrome-plated replacement. Choose it for that finish and design; the reference number identifies its replacement application, not genuine Honda manufacture.

Does the linked filter cover kit use a flat paper cover gasket?

The kit supplies a 63.5 × 2 mm O-ring. Honda’s K4 cover arrangement uses that O-ring location; the earlier flat-gasket arrangement should not be carried forward as the K4 specification.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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