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1978-86 Honda CB450 / CB400 Cylinder Head Intake Boot O-Rings (Set/4) ~ Replaces 91301-371-005

48-5044
$8.19
In stock Usually ships the same or next business day
Fits select Honda CB models View complete fitment below

1978-86 Honda CB450 / CB400 Cylinder Head Intake Boot O-Rings (Set/4) ~ Replaces 91301-371-005

Replace your cylinder head intake boot O-rings with this Cylinder Head Intake Boot O-Rings Set of 4, size 40 x 2.6mm. Replaces OEM #91301-371-005 / #91325-413-830. These are used where the manifolds attach to the cylinder heads.

Note: most bikes use 2 of the 4 O-rings in this kit.

Key Features
• Cylinder head intake boot O-rings, set of 4
• Size 40 x 2.6mm
• Replaces OEM #91301-371-005 / #91325-413-830

Fitment / Compatibility
• Honda CB400A (1978)
• CB400TI (1978‑81)
• CB400TII (1978‑79)
• CB450SC (1982‑83 / 1985‑86)
• CB450T (1982)

Part Number: 48-5044

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USA Orders shipping with Ground Shipping will arrive in approximately 3-7 business days after shipping. Canadian orders shipping with Ground will arrive in approximately 2-6 business days. You will be emailed tracking information after the order has been shipped. All packages are shipped without signature confirmation, so any packages that arrive while no one is home will be left at the door.

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We ship packages to Canada daily using several different couriers. We do this because the price to ship from province to province varies greatly by courier. Delivery will take around 2-6 Business days depending on location. You will be emailed tracking information as soon as the order is picked up. Please use this tracking number to determine when your package will arrive, and make appropriate arrangements.

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Note:

International buyers please be aware of the relevant taxation implications for your respective Countries. We will not be responsible for any extra charges for duties, or taxes once your order arrives. Sorry, we cannot ship orders as “a gift”.

Returns

Need to return a part? Not a problem! Visit our return page and fill out the return form. We will get back to you with the return instructions within 1 business day.

Frequently Asked Questions

How many intake-boot O-rings are included and used on the listed CB400 and CB450 models?

Four 40 x 2.6mm O-rings are included. The listed two-cylinder motorcycles use two at the cylinder-head-to-intake-boot joints, so one pack contains two complete motorcycle sets.

Which Honda O-rings does set 48-5044 replace?

The set replaces Honda OEM 91301-371-005 and 91325-413-830 for the listed 1978-1981 CB400 and 1982-1986 CB450 applications.

What should be inspected when replacing intake-boot O-rings?

Clean the cylinder-head grooves and inspect the holders for cracks, hardening and flat sealing faces. An air leak can remain even with new O-rings if a holder or mounting surface is damaged.

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