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1972 Honda CB175K6 Magnetic Oil Drain Plug

This oil-service choice is a specific threaded plug with an O-ring and magnet. The measurements matter more than a broad oil-parts category name: compare the case opening, outside diameter and projection before deciding whether it belongs on your 1972 CB175K6 repair list.

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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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1972 Honda CB175K6 · Oil Drain Plug Buying guide

Check thread, sealing seat and space together

The Joker Machine plug combines a billet aluminum body with a steel-debris magnet. Its stated dimensions let you assess the opening and surrounding clearance without borrowing specifications from a different drain-plug product.

Parts to consider

Honda CB Joker Machine Magnetic Oil Drain Plug ~ Replaces 90013-312-000 Magnetic drain plug with O-ringJoker Machine 6061 aluminum plug with M33.7 × 1.5 mm thread, 45 mm outside diameter and a rare-earth magnet for steel debris.View part

Understand the plug’s measured envelope

The body is 6061 billet aluminum, with a 45 mm outside diameter and stated 19 mm clearance off the case. A 19 mm socket operates the plug. Check that both the part and the required tool access suit the actual engine installation before purchasing.

Treat the magnet as a limited service feature

The neodymium-iron-boron magnet is intended to collect steel debris. It provides a particular function at the plug, rather than proving anything about the condition of the complete lubrication system. Follow the correct service information for oil changes, inspections and installation requirements.

Buying questions

Which thread does this plug use?

The specified thread is M33.7 × 1.5 mm. Confirm the case opening and sealing arrangement against that specification, especially when the engine or existing plug may have been changed.

Is an O-ring included?

Yes, an O-ring is included with the magnetic plug. Compare the existing sealing seat before ordering and use the appropriate engine service information for fitting and tightening requirements.

What should I measure near the case?

Check room for the 45 mm outside diameter and 19 mm projection, plus access for a 19 mm socket. Those are product dimensions, not a statement that every modified installation has sufficient clearance.

Not sure which part you need?

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

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