Sale

Exterior Components› Body Panels and Components

Mr. Gasket

Performance Intake Manifold Gaskets Fits 1965-1976 Oldsmobile 400-455 Mr Gasket

$50.83 $45.18 Save $5.65

SKU: M00S 404

In Stock
In Stock
Ships by Oct 7
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Mr. Gasket 404 is an intake manifold gasket designed for Oldsmobile V8 engines. It features a rectangle port shape with dimensions of 1.410 in. x 2.490 in. and a thickness of 0.060 in. This gasket is manufactured from a cellulose/nitrile composition material for excellent sealing and durability.
Show original supplier description

Part #: 404

Mr. Gasket Performance Series intake gaskets are manufactured from cellulose/nitrile composition gasket material. They provide excellent sealing and durability. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track.

Features:

  • Performance Material - Cellulose/Nitrile Composition Gasket Material
  • Intake Gaskets are .060" Thick
  • Can Be Trimmed if Necessary for Modified Port Applications
  • Comes with Manifold End Seals and Distributor Gasket
  • OE replacement for high performance street, drag race, and oval track usage.

Intake Manifold Gasket - Performance - 0.060 in Thick - 1.410 x 2.490 in Rectangular Port - Composite - Oldsmobile V8 - Kit

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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

BrandMr. Gasket
Part NumberM00S 404
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

Returns & Fitment

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.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy