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Sierra 18-8555 Exhaust Elbow Mounting Kit for MerCruiser GM Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

18-8555
14 reviews
Sale Price

$72.79

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-8555 Exhaust Elbow Mounting Kit is specifically designed for MerCruiser stern drive applications requiring extended studs for 3-inch spacer and 4-inch riser configurations. This comprehensive mounting kit includes all the necessary hardware to complete exhaust elbow installations on GM-based marine engines.

Kit Contents:

  • Two exhaust elbow gaskets for proper sealing
  • Four extended studs (9.5 inches long each)
  • Lock washers for secure fastening
  • Nuts for complete installation

Key Features:

  • Extended 9.5-inch studs accommodate 3-inch spacer with 4-inch riser setups
  • Marine-grade materials engineered to meet or exceed OEM specifications
  • Compatible with multiple Sierra manifolds and risers
  • Saves valuable time by eliminating the need to source individual components
  • Manufactured to stringent quality standards for reliable performance

This mounting kit is designed for use with Sierra manifolds 18-1952-1, 18-1953-2, and 18-1957-2, as well as manifold riser spacers 18-1908 and 18-1908K. Not for use with 6-inch tall spacers, 3-inch outlet risers, stainless risers, or when a spacer is not used.

OEM Cross References: GLM 53430, Mallory 9-40583, Osco 3320-MK-X

Best price and easy to use web site.

great

lower price free shiping

Been good although I never got a response about the wrong gaskets in my last order.

Very detailed list of part fitment. Radiator fits and functions very well. BUT, and this may be no fault of Autoplicity, I received the radiator w/holes punched in the box and some of the cooling fins bent. It wasn't bad enough to warrant a return, thoug

Allways been easy to order, quick shipping also.

it was good

Fast and easy, looking forward to installing them. Big Mopar head, huge Dakota fan, driver.

So far so good. Only time will tell. Received what I ordered today. Too bad not here for the weekend.

Quick and easy. Website was easy to navigate via cell phone and checkout was fast and painless. Took over a day to get a shipping notification though. Would have been nice to had it for the weekend

VERY GOOD

Great prices and super fast shipping. Found my new online parts store!

First experience so we'll see. So far it has been easy.

i was advised by all internet sources, and the manufacturer that the part i needed was out-of-stock and discontinued, when i used google shopping, autoplicity not only had the part but they were the most reasonably priced! my order was delivered to my door in 3 days. color me a satisfied customer, and yes i will used autoplicity again, soon!

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