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1970 Honda CB350K2 Oil Filter Covers & Plugs

For the 1970 CB350K2, this range supports the centrifugal oil-filter assembly and the engine drain opening. Choose the cover kit for its named components or the magnetic plug for a matching drain location, rather than treating them as equivalent filtration repairs.

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Currently viewing Oil Filters, Drain Plugs, Oil Pump & Gauges

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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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Honda CB500 CB450 joker machine magnetic oil drain plug 90013-312-000

Honda CB Joker Machine Magnetic Oil Drain Plug ~ Replaces 90013-312-000

$64.95 USD
12-0108
Catch engine debris between oil changes with this Joker Machine Magnetic Oil Drain Plug with O-ring, replacing OEM #90013-312-000. High-quality 6061 billet aluminum body...
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1970 Honda CB350K2 · Oil Filter Covers & Drain Plugs Buying guide

Keep centrifugal-filter service and drain-plug choice separate

The cover assembly and magnetic drain plug address different points in the lubrication system. Compare the existing pieces and required seals so a routine oil service does not become an incomplete repair order.

Parts to consider

Honda CB Joker Machine Magnetic Oil Drain Plug ~ Replaces 90013-312-000 Joker Machine magnetic drain plugBillet-aluminum plug with O-ring, M33.7 × 1.5 mm thread and a 19 mm socket fitting.View part

Know the five cover-kit components

The aftermarket kit supplies the oil filter cover, oil guide metal, guide spring, ring stopper and 63.5 × 2 mm O-ring. Compare these with the dismantled centrifugal assembly. Follow the Honda manual for cleaning and assembly rather than treating the kit as a maintenance shortcut.

Check clearance around the magnetic plug

The Joker Machine plug has a billet-aluminum body, an O-ring and a magnet intended to collect steel debris. Its dimensions matter where an engine guard or modified exhaust passes nearby. The fitting uses a 19 mm socket; use the correct service tightening guidance.

Common buying questions

Does the cover kit contain a paper filter?

No. It serves the CB350K centrifugal oil-filter assembly and contains the cover, guide metal, spring, stopper and O-ring. Centrifugal-filter cleaning remains a separate service task.

Does the magnetic plug include its seal?

The magnetic drain plug is supplied with an O-ring. Check the thread and available clearance before ordering, and inspect the sealing surfaces when carrying out the oil service.

Can a magnetic plug replace centrifugal-filter cleaning?

No. The magnet collects steel debris at the drain location; it does not perform the cleaning required by the centrifugal oil-filter service procedure. Maintain the system according to the Honda manual.

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