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Sierra 18-1957-1 exhaust manifold and mounting components on a white background
Black metal Sierra exhaust manifold on a white background
Sierra exhaust manifold mounting hardware components on a white background
Sierra 18-1957-1 exhaust manifold and mounting components on a white background
Black metal Sierra exhaust manifold on a white background
Sierra exhaust manifold mounting hardware components on a white background
SKU 18-1957-2

Manifold | 18-1957-2

Fits Mercruiser GM 7.4L & 8.2L CID marine engines, ideal for freshwater

by SIERRA
Availability:
in stock, ready to be shipped
Save 20% Save 20%
$393.69
$393.69 - $393.69
$393.69
$314.99
$314.99 - $314.99
$314.99

The Sierra 18-1957-2 manifold fits MerCruiser GM 7.4L & 8.2L CID marine engines. It is ideally suited for freshwater applications and will fit either port or starboard.

Includes

  • Gasket, exhaust manifold mounting | 18-0418
  • Gasket, exhaust elbow | 18-0897
  • Drain elbow assembly | 18-4224
OEM INTERCHANGE

Barr: MC-1-89011

GLM: 51240

HGE: 9011

Mallory: 9-40506

Marine Power: 0991-1000

Mercruiser SternDrive

  • 807078Q07
  • 807078T08

Osco: 9011
California Proposition 65 Warning WARNING Cancer or Reproductive Harm — www.P65Warnings.ca.gov
  • Will fit either Port or Starboard
  • Ideally suited for freshwater applications

Logistics

  • Dimensions parcel depth, ["]: 9.4001
  • Dimensions parcel height, ["]: 19.8001
  • Dimensions parcel width, ["]: 7.3001
  • Parcel weight, [lbs]: 47.7801

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Interchange for Manifold | 18-1957-2

Barr: MC-1-89011

GLM: 51240

HGE: 9011

Mallory: 9-40506

Marine Power: 0991-1000

Mercruiser SternDrive

  • 807078Q07
  • 807078T08

Osco: 9011

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ALMOST 60 YEARS OF SIERRA

SIERRA has a 58-year history as a leading global manufacturer of aftermarket engine and drive parts for the marine industry. The SIERRA brand encompasses the full SIERRA Marine product lines, as well as expansive brands formerly known as Shields and Moeller.

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