OMC Cooling System

Barr Exhaust Manifold Gasket Set by Sierra For GM 305/350 CID Engines and Barr Exhaust Systems. Use with Manifold 18-1997-1.

Sierra 18-0603 Exhaust Manifold Gasket Set for Mercruiser, Volvo, OMC Sierra high-quality engine parts are designed to meet OEM specifications. For Ford 302/351 CID Engines and Indmar Inboard V8 Engines. Use with 18-1998-1 Manifold Set...

Mercury - Mercruiser 57-48122Q V Belt 48"  Genuine OEM Mercury - Mercruiser part. 48 in. length (1219mm) Interchangeable with: Aqua Power 1542 Mallory 9-55003 Sierra 18-15480

Sierra 18-0327 Water Pump Gasket for 4 & 6 cyl. Mercruiser, Volvo, OMC For 4 & 6 Cylinder Stern Drive and Inboard Engines. Interchangeable with: GLM 31350 Mallory 9-60067 Mercruiser Stern...

Sierra 18-2781 Lower Exhaust Hose Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: GLM 89230 Mallory 9-72801 OMC Stern Drive 3852742 Volvo Penta 3852742

Mercruiser, OMC and Volvo V-Belt - Effective Length: 46" Top Width: 29/64" Replaces: Mercury - 57-48120A-1, 57-48120Q 1 OMC - 0310953, 0909971 Volvo - 829207, 966920 Mallory 9-55002 Redline RL15460 Details: High strength synthetic cords...

Sierra 18-710-32-2 Stainless Steel Hose Clamp 1-9/16" - 2-1/2" All components manufactured from Marine Grade 316 Stainless Steel. Diameter Size: 1-9/16" to 2-1/2" Std #: 032 Interchangeable with: Mercruiser Stern...

Sierra 18-3554 OMC 160º Degree Thermostat Sierra 18-3554 Thermostat has a 160 Degree Thermostat rating and is for use on OMC Inboards and OMC Stern Drives. Interchangeable with: GLM 13060 Mallory 9-43021 OMC Inboard 383307 OMC...

Water Circulating Pump Mounting Gasket for Mercruiser, Volvo, OMC (2 Pack) For GM 4.3L, 5.0L & 5.8L Engines. Replaces: Mercruiser - 27-34897 Volvo & OMC - 3852477 OMC - 909835

Sierra 18-4009 Manifold End Plate for Mercruiser & OMC Sterndrives Sierra high-quality engine parts are designed to meet OEM specifications. For Use With: 18-1950-1 Manifold 18-1951-1 Manifold 18-1958-1 Manifold 18-1960-1 Manifold 18-1962-1...

Sierra 18-15455 V-Belt for OMC and Volvo High strength synthetic cords resist shockload Their low stretch properties assure uniform performance over the life of the belt Special rubber compound section assures smooth and even transfer of load forces...

Sierra 18-3584-1 Circulating Water Pump Sierra 18-3584-1 is a replacement Circulating Water Pump for use in Ford V-8 engines. Like all Sierra aftermarket parts, this pump is manufactured to meet or exceed all OEM requirements. Interchangeable...

Sierra 18-1909-1 Center Rise Manifold 4" Outlet Riser Special Order est. 10 Days. Fits many GM & Ford center rise manifolds. Features: Material: Cast Iron 4" outlet 7° Interchangeable...

Sierra 18-710-48-2 Hose Clamp 2-9/16"-3-1/2" Manufactured from Marine Grade 316 Stainless Steel. s/s from Sierra part 18-7314 Diameter Size: 2-9/16" to 3-1/2" Std #: 048 Interchangeable with: Mercruiser Stern Drive 54-32533 54-815504348 Volvo Penta ...

HOSE CLAMP 9/16"-1 1/16" SS

OMC/Volvo Exhaust Elbow Mounting Kit - Special Order est. 10 Days GM Small Block V8 305-350cu.in. Used with Riser 18-1909-1

Sierra 18-0476-1 Blocked Riser Gasket Ford Small Block V-8 For Ford Small Block V8 302-351 cu.in. Volvo Penta, Indmar & Marine Power Sterndrives Engines. Used with Risers: 18-1939 18-1999 18-1907 Interchangeable...

Sierra 18-0164-9 Thermostat Housing Gasket (Pkg Of 2) Sierra replacement thermostat housing gasket. Sold in Package of 2 each For Use on: OMC Sterndrive/Cobra 4 & 6 Cylinder Engines Yamaha Sterndrive I/O Interchangeable...

OMC, Mercruiser V-Belt - Effective Length 52", Top Width 29/64" Replaces: Mallory 9-55001 Mercury 57-34359, 57-37619Q, 57-37619 OMC 0912714, 0509287, 0509288 Details: High strength synthetic cords resist shockload...

Sierra 18-4258 MerCruiser Pipe Plug Sierra stainless steel pipe plug with square drive. Note: Pipe sealant with Teflon is recommended for use on plug threads. Thread Size: 3/4" - 14 NPT Use With: 18-1949 Manifold Spacer 18-1984 Manifold...