Sierra 18-1898 Manifold

Sierra 18-1898 Manifold

$302.49 $431.99
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Sierra 18-1898 Manifold
  • Sierra 18-1898 Manifold
Sierra 18-1898 Manifold

Sierra 18-1898 Manifold

$302.49 $431.99

Sierra 18-1898 Exhaust Manifold for 454 GM big block V8

For use with Chris-Craft inboard, Chrysler Inboard, Crusader Inboard, Universal Inboard Cooling Systems, Mercruiser I/O, Volvo Penta, & OMC Sterndrive/Cobra Engines.

  • Material: Cast Iron
  • Port & Starboard
  • Fits: 454 cu. in. GM Big Block V8 Engines

Use with exhaust manifold gasket 18-0418

Interchangeable with:

  • Barr
    • CHVA-1-84
  • GLM
    • 56240
  • Mallory
    • 9-40102
  • Marine Power
    • 0991-110
  • Osco
    • CW994

California Residents: warning sign WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
Sierra Marine Part # SIE-18-1898 OMC Cobra Sterndrive Parts
In Stock & Ready to Order Secure nationwide shipping. Final delivery timing is shown at checkout.
SKU: SIE-18-1898
Not sure this is the correct part? Send your engine model, serial number, or photos and our team will verify fitment before you order.
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Marine ApplicationSelected for use in demanding marine environments.
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Quick Specifications

Brand
Sierra Marine
Part Number
SIE-18-1898
Product Type
OMC Cobra Sterndrive Parts
Availability
In Stock
Support
Fitment help available
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Fitment & Part Verification +
Marine parts can vary by engine model, serial range, year, and configuration. Confirm the manufacturer number and application before installation. Our Find My Part team can review serial numbers and photos.
Shipping Information +
Orders are prepared for safe nationwide shipment. Available carrier options, delivery estimates, and costs are calculated during checkout.
Returns & Exchanges +
Please confirm fitment before installation. Returned products must meet the requirements of the current Drydock Marine return policy, including condition and packaging requirements.
Warranty Support +
Warranty coverage varies by manufacturer and product condition. Contact our team with the product and order information for assistance.
Technical Support +
Our marine parts specialists can help review model numbers, serial numbers, interchange numbers, product photos, and related repair items before you order.
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Sierra 18-1898 Manifold
Sierra 18-1898 Manifold$302.49

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