1. Automotive Used Intake Manifolds Items
  2. sku: 11072553822386713
  3. OLDSMOBILE 404520

OLDSMOBILE 404520 Intake Manifold Olds 4BBL

fits make: Olds, Oldsmobile. year: 1969–1972.

404520 Oldsmobile 1969 1970 1972 Olds 69 70 1971 71 Intake Manifold 4bbl

( Brand: Oldsmobile ), ( Type: Intake Manifold ), ( Ipn: 1968 ), ( Manufacturer Part Number: 404520 ), ( Material: Cast Iron ), ( Vintage Part: Yes )

Review OLDSMOBILE Olds Intake Manifold fits 1969–1972

Oldsmobile 404/520 1969-1972 4-Barrel Intake Manifold

Description:

This Oldsmobile 404/520 intake manifold is a classic component designed for Oldsmobile models from 1969 to 1972. It is specifically designed for Oldsmobile 69, 70, 71 cars equipped with a 4-barrel carburetor setup.

The intake manifold is a crucial part of the engine's induction system, responsible for distributing the fuel-air mixture to the engine's cylinders. This particular manifold is made from high-quality aluminum, ensuring durability and reliability. It features a 4-barrel carburetor mounting design, making it suitable for Oldsmobile engines with this configuration.

The intake ports on this manifold are precisely engineered to ensure optimal fuel delivery to the engine's cylinders. The ports are designed with a smooth,Radiused edge to minimize turbulence and promote efficient air-fuel mixture preparation. The manifold's design also ensures proper alignment of the carburetor floats for consistent fuel delivery.

One of the key features of this intake manifold is its ability to accommodate various carburetor types and sizes. It can be paired with 4-barrel carburetors from popular manufacturers like Holley, Edelbrock, and Quick Fuel Technology. This versatility makes it an excellent choice for Oldsmobile enthusiasts looking to customize their engine setup.

The intake manifold comes in a raw, unpainted finish, allowing buyers to paint it according to their preferences. Alternatively, it can be installed as-is for a more authentic, original look. The manifold also includes all necessary hardware for installation, making the process as straightforward as possible.

This Oldsmobile 404/520 1969-1972 4-Barrel Intake Manifold is an essential component for any Oldsmobile enthusiast looking to restore or upgrade their vehicle. It is a high-quality, durable piece that not only enhances the engine's performance but also adds to the vehicle's overall aesthetics.

Buying an Oldsmobile 4-barrel intake manifold for a 1969, 1970, or 1971 Oldsmobile can be a worthwhile investment for those looking to restore or enhance the performance of their vehicle. Here are some potential pros and cons to consider before making a purchase:

Pros:

1. Improved Performance: Installing a 4-barrel intake manifold can lead to increased horsepower and torque, resulting in better acceleration and overall performance.

2. Originality: For those restoring a classic Oldsmobile, using an original intake manifold can contribute to the authenticity of the project.

3. Availability: These intake manifolds are widely available on the aftermarket, making them relatively easy to find and purchase.

Cons:

1. Cost: The price of an Oldsmobile 4-barrel intake manifold can vary greatly depending on the condition and rarity of the part. Be prepared to spend anywhere from a few hundred to several thousand dollars.

2. Installation Complexity: Installing an intake manifold can be a complex and time-consuming process, requiring specialized tools and a good deal of mechanical knowledge.

3. Potential Compatibility Issues: Ensure that the intake manifold you purchase is compatible with your specific engine and transmission configuration. The wrong manifold could lead to poor performance or even engine damage.

In conclusion, the decision to buy an Oldsmobile 4-barrel intake manifold for a 1969, 1970, or 1971 Oldsmobile depends on your goals, budget, and mechanical skills. If you're looking to restore a classic or improve performance, the benefits may outweigh the costs and challenges. However, if you're not confident in your mechanical abilities or have a limited budget, it may be worth considering alternative options or seeking professional help. Ultimately, thorough research and careful consideration are essential before making a purchase.

Details:

1970 404520 Oldsmobile 4 Barrel Rochester. May fit other years but NOT numbers correct. More pictures upon request. Very nice gasket surfaces.

Stock Intake Manifold 404520.

part #: 404520 prices

  • $125.00-$329.00

specifications inputmanifolds:

  • for makes: Olds, Oldsmobile
  • for years: 1969-1972
  • brand: Oldsmobile
  • type: Intake Manifold
  • interchange part number: 1968
  • manufacturer part number: 404520
  • material: Cast Iron
  • vintage part: Yes

shipping inputmanifolds:

  • cost: $76.40
  • carrier: UPS
  • transit: 4-7 Days
  • class: Standard
  • service: UPS Ground
  • type: Calculated

payments inputmanifolds:

  • other
  • wallet: Google-pay
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  • credit card: Discover
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general inputmanifolds:

  • Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
  • condition: Used

offer inputmanifolds:

  • best offers: True
  • options: Ship-to-home
  • started: December 22, 2025
  • quantity: 1
  • availability: In Stock
  • sold: 0

returns inputmanifolds:

  • policy: No Returns

seller inputmanifolds:

  • city: Greenbush, Wisconsin
  • rating: 99.4%
  • # reviews: 7367
for makes: olds, oldsmobile, for years: 1969-1972, type: intake manifold, vintage part: yes,
category: auto parts > car truck parts accessories > air fuel delivery > intake manifolds, material: cast iron, sku: 11072553822386713,

Oldsmobile 404520 Is Similar To:

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5 offers $125.00–$329.00 USD
  • Used. Offer #1 priced at $195.00 + $75.80 delivery = $270.80* total. Good casting. Seems most correct for 1971.+$75.80 shipping
  • Used. Offer #2 priced at $329.00 + $39.75 delivery = $368.75* total. No cracks or breaks. Includes water necks, coil brackets, etc as shown.+$39.75 shipping
  • Used. Offer #3 priced at $125.00 + $75.00 delivery = $200.00* total. 1971 1972 OLDSMOBILE CUTLASS 442 410448 455 Intake Manifold Cast Iron.+$75.00 shipping
  • Used. Offer #4 priced at $250.00 + $45.00 delivery = $295.00* total. ANYTHING LISTED AS A CORE WILL NOT HAVE A FULL WARRANTY.+$45.00 shipping
  • Used. Offer #5 priced at $145.00 + $82.99 delivery = $227.99* total. Can be delivered to SPRING JEFFERSON or IOLA OR PONTIAC BUICK OLDSMOBILE CADILLAC SWAP MEET IN FEB to save on shipping 1966 Oldsmobile 442 Intake Manifold OEM GM 390390 400 425.+$82.99 shipping

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