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1971 Honda CB350K3 Fork Seals

The 1971 K3 retains the earlier piston-type fork with external springs beneath the covers. The featured replacement seals are specified for CB350K models through 1971. Identify the fork actually fitted before ordering, since a later replacement front end can need different seals.

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Honda CB750 CB550 front reflector rubber base 33743-341-670

Honda CB Stock Type Front Reflector Rubber Base ~ Replaces 33743-341-670

$8.95 USD
11-2304
Fit the rubber base beneath your stock front reflector with this Stock-Type Front Reflector Rubber Base, replacing OEM #33743-341-670.Key Features• Stock-type front reflector rubber...
Honda CB1100 CB1000 CB900 CB750 16mm clutch oil filter rotor lock nut 90231-KCS-651

Honda CB 16mm Clutch / Oil Filter Rotor Lock Nut ~ Genuine Honda 90231-KCS-651 ~ Replaces 90231-KCS-651

$10.95 USD
99-5383
This genuine Honda 16mm lock nut is used on compatible Honda CB clutch basket and oil filter rotor assemblies. It is a small hardware...
Honda CB350 CL350K0 CL350K1 CL350K2 fork seals

Honda CB350/CL350K0/CL350K1/CL350K2 Fork Seals

$19.50 USD
27-1005
Replace your early CB350 or CL350 fork seals with this Fork Seal Set, 33 x 44 x 8.9mm. Made in Japan by OEM supplier.Key...
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1971 Honda CB350K3 · Fork Seals Buying guide

Match the seal set to the early K3 fork

The available set measures 33 × 44 × 8.9mm. Use that supplier dimension and the early-fork application together, rather than selecting seals from engine size or a broad CB350 description alone.

Parts to consider

Honda CB350/CL350K0/CL350K1/CL350K2 Fork Seals Early-type fork seal setFork seals measuring 33 × 44 × 8.9mm, with explicit 1968–71 CB350K application.View part

Keep the K3 and later fork designs separate

Honda groups the K3 with the piston-type fork; the later K4 design is different. The featured seals have explicit early CB350K applicability. If the complete front end has been changed, establish its model and dimensions before using the frame year as an ordering reference.

Inspect beyond the leaking seal

A new seal is one part of fork service. Examine the surfaces that contact it and the remaining components before placing an order, then use the correct Honda manual for the actual fork. Do not infer oil quantity, assembly procedure or other service specifications from the seal dimensions.

Buying questions

Is this the early or later CB350 fork seal?

This set is listed for the early CB350K fork through 1971 and measures 33 × 44 × 8.9mm. The K3 retains the earlier piston-type design; a swapped later fork needs its own identification.

Does the set supply seals for both fork legs?

The original K3 uses one seal in each fork leg. Confirm that the supplied set contains two seals when ordering for both legs; the product description gives the seal dimensions without an explicit package count.

Should I order by the registration year on a modified bike?

Identify the front fork itself first. A replacement front end can differ from the frame’s original equipment, so compare the seal dimensions and fork application before selecting a set.

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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