Heating and Cooling Thermostats, Housings and Fillers

Moroso

Moroso Chevrolet V8/90 Degree V6 Filler Neck Manifold Kit

$275.23

SKU: M00R 63420

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Moroso 63420 is a manifold filler neck kit designed to locate the filler neck at the highest point in cooling systems with low-mount radiators, helping to bleed off air. This unit is constructed from 356-T6 cast aluminum and stands 3-1/4 inches tall.

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

BrandMoroso
Part NumberM00R 63420

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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