My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Moroso 63421 Filler Neck Base

(Chevrolet Silverado 1500 1999-2009, Camaro 1980-84, S10 1988-2004, Impala 1980-85, Malibu 1978-83, C1500 1988-98, Blazer 1995-2005 + 46 more models)

Manufacturer

Picture for manufacturer Moroso

Part Number

63421
4 reviews
Sale Price

$97.86

In Stock (5)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Moroso 63421 Filler Neck Base is a precision-engineered component designed for use with Moroso fuel cells and fuel filler neck assemblies. This base provides a secure mounting point for fuel filler necks, creating a leak-resistant connection between the filler neck and the fuel cell or fuel tank.

Key Features:

  • Durable aluminum construction for lightweight strength and corrosion resistance
  • Designed to work with Moroso fuel filler neck systems
  • Precision-machined for proper fitment and sealing
  • Includes necessary mounting provisions for secure installation
  • Ideal for racing applications and custom fuel system builds

This filler neck base is an essential component for proper fuel cell installation, ensuring safe and reliable fuel system operation in performance and racing environments.

Products specifications

Fits

Chevrolet Silverado 1500 1999-2009, Camaro 1980-84, S10 1988-2004, Impala 1980-85, Malibu 1978-83, C1500 1988-98, Blazer 1995-2005, K1500 1988-98, Caprice 1980-90, C10 1985-86, El Camino 1978-87, K2500 1988-95, K10 1985-86 + 40 more models

Heater Bypass Provision

No

Notes

Spacer only. Has two 1/4 in. female NPT ports, one 1/2 in. female NPT port, and a 1 in. NPT hole for

Quantity

Sold individually.

Sealing Style

Gasket

Water Neck Finish

Black anodized

Water Neck Material

Billet aluminum

Water Neck Style

Spacer

GREAT PRICES AND COMMUNICATION!!!! HIGHLY RECOMMENDED STAFF AND PRODUCTS!!!!!

My Superchips Cortex arrived within a few days of order and by far was the best price arround. Product arrived in perfect condition and worked as described. Great deal. Order #10984

Thanks again! Best prices I found on the web! Fast shipping Would definitely buy from again!

I placed an order and 2 days later it was at my door!!! Very fast shipping and easy to navigate website! I would definitely recommend this site to all my friends. Keep up the great job!

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy