Gaskets and Seals› O-rings, Grommets and Vacuum Caps

HKS

HKS O-Ring 56 t=3.5mm (2pcs)

$20.00

SKU: H005 15999-AK001

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The HKS 15999-AK001 is an O-ring designed for HKS oil cooler systems. It features a size of Ï_56 with a 3.5mm thickness. This O-ring is compatible with multiple fittings and comes in a set of two pieces, with options for R-type and S-type attachments.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHKS
Part NumberH005 15999-AK001

Videos

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Is the HKS BOV Filter needed? Blow by explained

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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