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Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

Belts, Hoses & Clamps

Marine Belts, Hoses & Clamps

Marine Engine Belts, Hoses, Fuel Lines, Coolant Hoses & Clamps

Shop replacement belts, hoses, clamps, and related engine-service parts for marine cooling systems, fuel systems, raw-water plumbing, exhaust hose runs, accessory drives, alternators, and routine maintenance.

Shop Belts, Hoses & Clamps V-Belts Hose Clamps
Fitment Check

Match belt profile, length, pulley style, hose inside diameter, hose rating, clamp size, engine model, and fluid type before ordering.

Ask Parts Desk

Belts, hoses, and clamps are small parts with big consequences. Confirm dimensions, material, pressure or temperature rating, and the system being serviced before installation.

Quick ShopTop OEMFitmentProduct GroupsServiceFAQThermostats & CoolingFuel & Air Systems

Fitment

Measure First, Then Match the Rating

Belts should match the correct profile, length, width, and pulley system. Hoses should match inside diameter, wall construction, bend radius, temperature rating, pressure rating, and the fluid they carry. Clamps should match hose diameter and service load.

Belt SizeHose IDFuel Hose RatingClamp Size

Why It Matters

Heat, Salt, Vibration, and Pressure Wear Parts Down

Cracked belts, soft hoses, swollen fuel line, rusty clamps, loose connections, and chafed hose runs can lead to overheating, leaks, fuel odors, loss of charging, and avoidable downtime.

Search by engine brand, part number, belt number, hose size, hose type, clamp size, or the system being serviced.

BELT

Belts

Drive belts, V-belts, serpentine belts, alternator belts, raw-water pump belts, and accessory belts for engine service.

HOSE

Hoses

Fuel hose, coolant hose, raw-water hose, wet exhaust hose, water hose, heater hose, and replacement hose runs.

CLMP

Clamps

Stainless worm-gear clamps, T-bolt clamps, constant-tension clamps, and clamp hardware for secure hose connections.

Service

Inspect the Whole Run, Not Just the Failed Part

A belt, hose, or clamp failure can point to worn pulleys, poor alignment, heat damage, corrosion, chafe, age, pressure, vibration, or the wrong replacement material. Check the whole system while access is open.

Check belts under loadLook for cracking, glazing, squeal, dust, frayed edges, poor tension, or pulley misalignment.
Inspect hose conditionReplace hoses that are soft, swollen, cracked, oil-soaked, chafed, kinked, or heat-damaged.
Use the right clampChoose clamp material and style for the hose size, pressure, heat, and location in the engine compartment.
Carry sparesCommon belts, clamps, and short hose sections are useful onboard spares for trips and seasonal service.

FAQ

Belts, Hoses & Clamps Questions

How do I find the right replacement belt?

Use the engine model, existing belt number, belt profile, width, length, and pulley setup. If the old belt is badly worn or stretched, verify the correct part by engine information.

Can automotive hose be used on a boat?

Marine systems often need hose rated for fuel, exhaust, coolant, raw water, heat, pressure, and engine-compartment conditions. Use hose approved for the specific marine application.

When should hose clamps be replaced?

Replace clamps that are rusted, distorted, stripped, loose, over-tightened, or no longer holding evenly. Critical hose connections should be inspected regularly.

What should I check before ordering fuel hose?

Confirm inside diameter, fuel type, required rating, hose route, bend radius, fitting size, clamp style, and whether the hose is used for supply, return, vent, or fill service.

Ready for Engine Service?

Shop Marine Belts, Fuel Hoses, Coolant Hoses, Exhaust Hoses, Water Hoses & Clamps

Search by engine brand, part number, belt number, hose inside diameter, hose rating, clamp size, system type, or maintenance task.

Shop Belts, Hoses & ClampsFuel HosesT-Bolt Clamps

Filters

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Exhaust Flapper 4"

Exhaust Flapper 4"

$65.09 - $65.09
$65.09
$65.09 - $65.09
$65.09
Item locally warehoused

Includes stainless steel hose clamp.Weather resistant rubber flapper valve.

$65.09 - $65.09
$65.09
$65.09 - $65.09
$65.09

Volvo Penta Replacement V-Belt 966694

$52.30 - $52.30
$52.30
$52.30
$52.30 - $52.30
$52.30
Only 1 left!

Volvo Penta Replacement V-Belt – 966694 OEM Part Number: 966694Part Type: Marine V-BeltApplication: Alternator / accessory drive belt Product Desc...

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$52.30 - $52.30
$52.30
$52.30
$52.30 - $52.30
$52.30

Volvo Penta Alternator V-Belt 966900 – 2001 2002 2003 Series Diesel

$51.20 - $51.20
$51.20
$51.20 - $51.20
$51.20
Only 1 left!

Volvo Penta 966900 – Alternator V-Belt Part Number: 966900 Brand: Volvo Penta Type: Alternator / Accessory Drive V-Belt (OEM) System: Charging – A...

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$51.20 - $51.20
$51.20
$51.20 - $51.20
$51.20

Volvo Penta 3.0GLP-D Drive Belt 3586325 | OEM

$70.00 - $70.00
$70.00
$70.00 - $70.00
$70.00
Only 2 left!

Volvo Penta 3586325 – 3.0GLP-D Drive Belt Part Number: 3586325 Brand: Volvo Penta Official Product Type: Engine Accessory Drive Belt (OEM) Superse...

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$70.00 - $70.00
$70.00
$70.00 - $70.00
$70.00
Sold out

Mercury 807730T Crankshaft Pulley – MerCruiser GM V6 & V8 Serpentine

$161.80 - $161.80
$161.80
$161.80
$161.80 - $161.80
$161.80
Out of stock

Mercury 807730T – Crankshaft Accessory-Drive Pulley | MerCruiser GM V6 & V8 Serpentine Belt Part Number: 807730T Brand: Mercury Marine Type: C...

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$161.80 - $161.80
$161.80
$161.80
$161.80 - $161.80
$161.80
Sold out

MerCruiser 864509 Cooling Hose – Thermostat Housing to Lower Manifold

$95.24 - $95.24
$95.24
$95.24
$95.24 - $95.24
$95.24
Only 1 left!

MerCruiser 864509 – Molded Cooling Hose | Thermostat Housing to Lower Exhaust Manifold Part Number: 864509  |  Reference: 32-864509 Brand: Mercury...

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$95.24 - $95.24
$95.24
$95.24
$95.24 - $95.24
$95.24

MerCruiser 864539 Cooling Hose – Thermostat Housing to Starboard Manifold

$44.54 - $44.54
$44.54
$44.54
$44.54 - $44.54
$44.54
Only 1 left!

MerCruiser 864539 – Molded Cooling Hose | Thermostat Housing to Upper Starboard Manifold Part Number: 864539  |  Reference: 32-864539 Brand: Mercu...

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$44.54 - $44.54
$44.54
$44.54
$44.54 - $44.54
$44.54

Mercury MerCruiser Quicksilver Cooling Hose — 32-864551

$30.59 - $30.59
$30.59
$30.59 - $30.59
$30.59
Only 1 left!

Mercury MerCruiser Quicksilver Molded Cooling Hose — 32-864551 This genuine OEM molded cooling hose from Mercury Marine connects the intake manifo...

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$30.59 - $30.59
$30.59
$30.59 - $30.59
$30.59

Mercury MerCruiser Quicksilver Cooling Hose — 32-864552

$49.19 - $49.19
$49.19
$49.19 - $49.19
$49.19
Only 1 left!

Mercury MerCruiser Quicksilver Molded Cooling Hose — 32-864552 This is a genuine OEM molded cooling hose from Mercury Marine, connecting the therm...

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$49.19 - $49.19
$49.19
$49.19 - $49.19
$49.19

Mercury Quicksilver Verado Serpentine Belt 8M0232583 — 135–400 HP FourStroke

$59.43 - $59.43
$59.43
$59.43 - $59.43
$59.43
Only 1 left!

Mercury Quicksilver Verado Serpentine Belt — OEM Part 8M0232583This genuine OEM serpentine belt drives the alternator and belt-driven accessories o...

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$59.43 - $59.43
$59.43
$59.43 - $59.43
$59.43

Volvo Penta D3 Timing Belt 30777779 | OEM Toothed Drive Belt

$281.00 - $281.00
$281.00
$281.00 - $281.00
$281.00
Only 2 left!

Part Information Part Number: 30777779 Brand: Volvo Penta Official Product Type: Toothed Timing Belt — Engine Timing System Supersedes: 312583...

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$281.00 - $281.00
$281.00
$281.00 - $281.00
$281.00

Volvo Penta D3 Rear Belt Protector 30757901 | OEM Timing Cover

$523.00 - $523.00
$523.00
$523.00 - $523.00
$523.00
Only 1 left!

Part Information Part Number: 30757901 Brand: Volvo Penta Official Product Type: Rear Belt Protector — Timing Gear Housing Supersedes: No supe...

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$523.00 - $523.00
$523.00
$523.00 - $523.00
$523.00

Volvo Penta D3 Front Belt Protector 30757900 | OEM Timing Cover

$369.00 - $369.00
$369.00
$369.00 - $369.00
$369.00
Only 1 left!

Part Information Part Number: 30757900 Brand: Volvo Penta Official Product Type: Front Belt Protector — Timing Gear Housing Supersedes: No sup...

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$369.00 - $369.00
$369.00
$369.00 - $369.00
$369.00

Volvo Penta D3 Seawater Pump V-Ribbed Belt 24677541 — 4PK935

$56.60 - $56.60
$56.60
$56.60 - $56.60
$56.60
Only 1 left!

Volvo Penta D3 Seawater Pump V-Ribbed Belt — Part Number 24677541 Part Number 24677541 Brand Volvo Penta OEM Official Part Type V-Ribb...

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$56.60 - $56.60
$56.60
$56.60 - $56.60
$56.60

Volvo Penta Hose Clamp 22274887

$15.70 - $15.70
$15.70
$15.70 - $15.70
$15.70
Only 1 left!

Part Number: 22274887Brand: Volvo PentaOfficial Product Type: Hose ClampSystem: Sterndrive Bellows & Hose AssemblyDiagram Position: Object key ...

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$15.70 - $15.70
$15.70
$15.70 - $15.70
$15.70

Volvo Penta Hose Clamp 22274885

$13.90 - $13.90
$13.90
$13.90 - $13.90
$13.90
Only 2 left!

Part Number: 22274885Brand: Volvo PentaOfficial Product Type: Hose ClampSystem: Cooling Water, Seawater, and Exhaust Hose AssembliesSupersedes: 961...

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$13.90 - $13.90
$13.90
$13.90 - $13.90
$13.90

G0700B Machined Brass Fitting | Marine Plumbing Hardware

$3.31 - $3.31
$3.31
$3.31 - $3.31
$3.31
Only 4 left!

G0700B Machined Brass FittingA precision-machined brass fitting designed for marine plumbing and fluid system applications. Built from solid brass ...

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$3.31 - $3.31
$3.31
$3.31 - $3.31
$3.31

Volvo Penta V-Belt 9415

$42.24 - $42.24
$42.24
$42.24 - $42.24
$42.24
Only 2 left!

The Volvo Penta 9415 is an OEM-specification V-belt for the accessory drive system on Volvo Penta AQ and BB series gasoline marine engines. It is c...

View full details
$42.24 - $42.24
$42.24
$42.24 - $42.24
$42.24

Volvo Penta V-Belt 9319

$36.22 - $36.22
$36.22
$36.22 - $36.22
$36.22
Only 2 left!

The Volvo Penta 9319 is an OEM-specification V-belt for the accessory drive system on Volvo Penta AQ and BB series gasoline marine engines. It is u...

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$36.22 - $36.22
$36.22
$36.22 - $36.22
$36.22

Gates Hi-Power II V-Belt — GATB40

$41.37 - $41.37
$41.37
$41.37 - $41.37
$41.37
Only 2 left!

The Gates Hi-Power II GATB40 is a classical wrapped V-belt built for reliable power transmission in automotive and marine auxiliary drive systems. ...

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$41.37 - $41.37
$41.37
$41.37 - $41.37
$41.37

Automotive V-Belt — GAT9370

$41.86 - $41.86
$41.86
$41.86 - $41.86
$41.86
Only 2 left!

The Gates 9370 Automotive XL V-Belt is a heavy-duty, single-strand replacement belt engineered for demanding accessory-drive applications. Its prec...

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$41.86 - $41.86
$41.86
$41.86 - $41.86
$41.86
Exhaust Flapper 5-6"

Exhaust Flapper 5-6"

$128.09 - $128.09
$128.09
$128.09 - $128.09
$128.09
Item locally warehoused

Includes stainless steel hose clamp.Weather resistant rubber flapper valve.

$128.09 - $128.09
$128.09
$128.09 - $128.09
$128.09
Elbow Exh-Vp#855384-4 & 856891

Elbow Exh-Vp#855384-4 & 856891

$338.59 - $338.59
$338.59
$338.59 - $338.59
$338.59
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$338.59 - $338.59
$338.59
$338.59 - $338.59
$338.59
Water Shutter Exhaust 60930

Water Shutter Exhaust 60930

$59.69 - $59.69
$59.69
$59.69 - $59.69
$59.69
Item locally warehoused

Water Shutter Exhaust 60930

$59.69 - $59.69
$59.69
$59.69 - $59.69
$59.69
Exhaust Flapper 3"

Exhaust Flapper 3"

$67.29 - $67.29
$67.29
$67.29 - $67.29
$67.29
Item locally warehoused

Includes stainless steel hose clamp.Weather resistant rubber flapper valve.

$67.29 - $67.29
$67.29
$67.29 - $67.29
$67.29
Elbow Exh-OMC/Vp#3855270-9

Elbow Exh-OMC/Vp#3855270-9

$566.49 - $566.49
$566.49
$566.49 - $566.49
$566.49
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$566.49 - $566.49
$566.49
$566.49 - $566.49
$566.49
Riser Spacer Kit

Riser Spacer Kit

$711.19 - $711.19
$711.19
$711.19 - $711.19
$711.19
Item locally warehoused

Riser Spacer Kit

$711.19 - $711.19
$711.19
$711.19 - $711.19
$711.19
Manifold-Gm 4.3L V6 Vp#856894

Manifold-Gm 4.3L V6 Vp#856894

$594.34 - $594.34
$594.34
$594.34 - $594.34
$594.34
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$594.34 - $594.34
$594.34
$594.34 - $594.34
$594.34
Manifold Riser

Manifold Riser

$427.59 - $427.59
$427.59
$427.59 - $427.59
$427.59
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$427.59 - $427.59
$427.59
$427.59 - $427.59
$427.59
Manifold-Gm 4.3L V6 Vp#3857656

Manifold-Gm 4.3L V6 Vp#3857656

$731.69 - $731.69
$731.69
$731.69 - $731.69
$731.69
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$731.69 - $731.69
$731.69
$731.69 - $731.69
$731.69
Elbow-Exh 3" Crusader# 98068

Elbow-Exh 3" Crusader# 98068

$442.99 - $442.99
$442.99
$442.99 - $442.99
$442.99
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$442.99 - $442.99
$442.99
$442.99 - $442.99
$442.99
Elbow, Mercruiser & Marine Power

Elbow, Mercruiser & Marine Power

$450.29 - $450.29
$450.29
$450.29 - $450.29
$450.29
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$450.29 - $450.29
$450.29
$450.29 - $450.29
$450.29
Elbow Ex 3.0L Mp#600033A

Elbow Ex 3.0L Mp#600033A

$544.03 - $544.03
$544.03
$544.03 - $544.03
$544.03
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$544.03 - $544.03
$544.03
$544.03 - $544.03
$544.03
Manifold End Plates

Manifold End Plates

$39.89 - $39.89
$39.89
$39.89 - $39.89
$39.89
Item locally warehoused

Manifold End Plates

$39.89 - $39.89
$39.89
$39.89 - $39.89
$39.89
Manifold-Gm 5.0-5.7L Vp#856883

Manifold-Gm 5.0-5.7L Vp#856883

$691.29 - $691.29
$691.29
$691.29 - $691.29
$691.29
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$691.29 - $691.29
$691.29
$691.29 - $691.29
$691.29
3" Exhaust Thru-Hull, White w/Flapper

3" Exhaust Thru-Hull, White w/Flapper

$208.29 - $208.29
$208.29
$208.29 - $208.29
$208.29
Item locally warehoused

3" Exhaust Thru-Hull, White w/Flapper

$208.29 - $208.29
$208.29
$208.29 - $208.29
$208.29
Manifold Riser Spacer

Manifold Riser Spacer

$265.59 - $265.59
$265.59
$265.59 - $265.59
$265.59
Item locally warehoused

Manifold Riser Spacer

$265.59 - $265.59
$265.59
$265.59 - $265.59
$265.59
2" Exhaust Thru-Hull, Black w/Flapper

2" Exhaust Thru-Hull, Black w/Flapper

$163.89 - $163.89
$163.89
$163.89 - $163.89
$163.89
Item locally warehoused

2" Exhaust Thru-Hull, Black w/Flapper

$163.89 - $163.89
$163.89
$163.89 - $163.89
$163.89
Centek 1200256 3.00 x 3.00 x 4.00 Branch Y

Centek 1200256 3.00 x 3.00 x 4.00 Branch Y

$558.09 - $558.09
$558.09
$558.09 - $558.09
$558.09
Item locally warehoused

These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube.Fittings, couplings and elbows are lightweight, str...

View full details
$558.09 - $558.09
$558.09
$558.09 - $558.09
$558.09
Manifold Ford

Manifold Ford

$692.29 - $692.29
$692.29
$692.29 - $692.29
$692.29
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$692.29 - $692.29
$692.29
$692.29 - $692.29
$692.29
Sierra 19971 Manifold 283-350 Barr#Chv-1-83

Sierra 19971 Manifold 283-350 Barr#Chv-1-83

$669.89 - $669.89
$669.89
$669.89 - $669.89
$669.89
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$669.89 - $669.89
$669.89
$669.89 - $669.89
$669.89
3" Exhaust Thru-Hull, Black w/Flapper

3" Exhaust Thru-Hull, Black w/Flapper

$208.29 - $208.29
$208.29
$208.29 - $208.29
$208.29
Item locally warehoused

3" Exhaust Thru-Hull, Black w/Flapper

$208.29 - $208.29
$208.29
$208.29 - $208.29
$208.29
Manifold replaces Mercury 860235A03

Manifold replaces Mercury 860235A03

$920.69 - $920.69
$920.69
$920.69 - $920.69
$920.69
Item locally warehoused

Sierra manifolds are painted, packaged and leak tested.

$920.69 - $920.69
$920.69
$920.69 - $920.69
$920.69
Centek 1200195 Elbow-90° 2.5"

Centek 1200195 Elbow-90° 2.5"

$170.29 - $170.29
$170.29
$170.29 - $170.29
$170.29
Item locally warehoused

These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube.Fittings, couplings and elbows are lightweight, str...

View full details
$170.29 - $170.29
$170.29
$170.29 - $170.29
$170.29
2" Exhaust Thru-Hull, White w/Flapper

2" Exhaust Thru-Hull, White w/Flapper

$163.89 - $163.89
$163.89
$163.89 - $163.89
$163.89
Item locally warehoused

2" Exhaust Thru-Hull, White w/Flapper

$163.89 - $163.89
$163.89
$163.89 - $163.89
$163.89
Centek 1200217 Elbow-45° x 1.5"

Centek 1200217 Elbow-45° x 1.5"

$100.79 - $100.79
$100.79
$100.79 - $100.79
$100.79
Item locally warehoused

These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube.Fittings, couplings and elbows are lightweight, str...

View full details
$100.79 - $100.79
$100.79
$100.79 - $100.79
$100.79
Centek 1200162 Elbow-90° 6"

Centek 1200162 Elbow-90° 6"

$524.69 - $524.69
$524.69
$524.69 - $524.69
$524.69
Item locally warehoused

These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube.Fittings, couplings and elbows are lightweight, str...

View full details
$524.69 - $524.69
$524.69
$524.69 - $524.69
$524.69
Centek 1200200 Elbow-90° 2"

Centek 1200200 Elbow-90° 2"

$147.19 - $147.19
$147.19
$147.19 - $147.19
$147.19
Item locally warehoused

These fittings are made of the same fiberglass and fire retardant resins used to make Vernatube.Fittings, couplings and elbows are lightweight, str...

View full details
$147.19 - $147.19
$147.19
$147.19 - $147.19
$147.19