Home Sterndrive Parts Lower Gearcase Seal Kit | Sierra 18-2671
  • Sierra Lower Gearcase Seal Kit (Cobra) 18-2671 - MacombMarineParts.com
  • Sierra Lower Gearcase Seal Kit (Cobra) 18-2671 - MacombMarineParts.com
1 2

Lower Gearcase Seal Kit | Sierra 18-2671

Lower Gearcase Seal Kit | Sierra 18-2671

Sierra

$39.95 USD
$53.18 USD $39.95 USD
Sale Sold out
Shipping calculated at checkout.

Buy Now Only: 3 Left!

Lower Gearcase Seal Kit | Sierra 18-2671

Lower Gearcase Seal Kit | Sierra 18-2671

Lower Gearcase Seal Kit

  • OMC Cobra Lower Gearcase Seal Kit
  • For 4 cylinder OMC Cobra drives from 1986-89
  • Replaces Mercury 802419
  • Replaces OMC 985612
  • Replaces Mallory 9-74401
View full details

Let customers speak for us

from 79 reviews

3 in. Exhaust Elbow | Pleasurecraft R029001

Randolph D.
3 in. Exhaust Elbow | Pleasurecraft R029001

Excellent part.

Nelson R.
5" x 4" x 4" Air Divider Adapter Y | MSI Marine AY544

Perfect replacement. thank you

MICHAEL W.
Strainer Transparent Cylinder 1/2 in. | Perko 049300499C

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