Exterior Components› Body Panels and Components

Moroso

Moroso Chevrolet Big Block/Small Block Water Outlet Filler Neck -16An w/O-Ring - Aluminum

$239.78

SKU: M00R 63473

In Stock
In Stock
Ships by Jun 21
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Moroso 63473 is a water outlet filler neck designed for Small Block, Big Block, and 90-degree V6 Chevy intake manifolds. It features a -16 AN size and a clear anodized finish. This aluminum filler neck requires an O-ring for proper installation.

Fitment

Fitment Guaranteed

Don’t gamble
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

BrandMoroso
Part NumberM00R 63473

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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