Home Bell Housing Components Mercruiser Pre-Vortec Engine Coupler | Sierra 18-2172
  • Mercruiser Pre-Vortec Engine Coupler | Sierra 18-2172 - MacombMarineParts.com
  • Mercruiser Pre-Vortec Engine Coupler | Sierra 18-2172 - MacombMarineParts.com
1 2

Mercruiser Pre-Vortec Engine Coupler | Sierra 18-2172

Mercruiser Pre-Vortec Engine Coupler | Sierra 18-2172

Sierra

$356.96 USD
$472.19 USD $356.96 USD
Sale Sold out
Shipping calculated at checkout.

Buy Now Only: 4 Left!

Mercruiser Pre-Vortec Engine Coupler | Sierra 18-2172

Sierra Mercruiser Pre-Vortec Engine Coupler 18-2172

Engine coupler connects Mercruiser GM engines to stern drives.
  • Engine coupler is used when replacing Mercruiser V6 or V8 2 piece rear main seal engines with 3 ½ inch crankshaft bolt pattern to a newer 1 piece engine with 3 inch bolt pattern
  • Replaces Mercury 14505A2
  • Replaces OMC 775495
  • Replaces Mallory 9-72500
View full details

Let customers speak for us

from 76 reviews

Perfect replacement

Michael K.
Chesapeake White Fuel Level Gauge | Faria 13801
Perfect match

Perfect match to the original Chris Craft blue. Competitive price and delivery was quick

jason b.
Spray Paint Color Vision Chrysler Blue | Moeller 025340
Great Product

Great Product, easy to install, work well

Kevin M.
Boat Buckle Rodbuckle Gunwale/Deck Mount Tie Down F14200
Magnesium anode for a 1994 OMC Cobra (SX-C) transom shield

Obtaining magnesium anodes to install on the OMC Cobra (SX-C) sterndrive, for fresh water use. Received the anode within a week of ordering the part, which is not going to be installed until Spring.

Paul B.
Volvo Penta Magnesium Transom Shield Anode | Martyr CM3854130M

Black Liquid Electrical Tape - 4 oz. | Star Brite 084104B

JEFFREY K.
Black Liquid Electrical Tape - 4 oz. | Star Brite 084104B

As described

Jonathan C.
Duo Prop Outdrive Filler Adapter | Volvo 3855932
Step Wrench Thru Hull 1/2 in. - 1 1/2 in.

Very Happy!! Just what I needed!!

Peter B.
Step Wrench Thru Hull 1/2 in. - 1 1/2 in. | Buck Algonquin 3BTHW50150
Quality seems good

Outdrive spent 4 months docked in salt water with no visible rust on the stainless steel braided hoses

Thurman W.
Hose Kit For Alpha One (16-3/16" & Gen II) | SEI 9B-106A
crusader adapter

Excellent
fit just fine

Burt S.
Hose Adapter - 1/2MP X 3/4 | Crusader 7140280
Great product!

Product just as oem. Performs as it should. Order arrived quickly. Thank You!

John W.
Sierra 18-5354 | Distributor Cap Delco EST V8
Seacamp 3" heat exchanger End cap.

Perfect fit.👍
Makes the repair a professionally done look.

Shawn M.
End Cap Kit Heat Exchanger - 3 inch | Seakamp SK3300C
Customer service

You guys went above and beyond making sure we got the package

Shary V.
Block Off Plate Stainless Steel | Crusader 97296
Spray paint

Fast shipping

Ralph M.
Spray Paint Evinrude Metallic Blue | BRP 777175
Great job

Good quality parts fast and on time Great customer service

Eric S.
Spark Plug 4 Pack | Volvo 3851857
new lower unit for my 115 yamaha 2 stroke

the company gave me help in properly measuring my shaft length answered all my questions the lower came a few days later and it was expertly packed. lower was just like expected brand new, i can not be more pleased good help answering question excellent parts and fast shipping. what more can you ask for

david m.
SE405 Lower Unit Yamaha V4 2-Stroke and some 4-Stroke | SEI 90-405
Shopify secure badge