Skip to navigation Skip to content

Search for:

Chandlery Home
Outboards
Boats
Parts Online
My Account
Contact

Chandlery Home
Outboards
Boats
Parts Online
My Account
Contact

£229.39 6 items

Pay zero duties or import fees on orders from Ireland or the UK

Products search

Home / Exhaust / Heat Exchangers & Exhaust Manifolds / Heat Exchanger Filler Necks

“Bowman 3921-2 Filler Neck Heat Exchanger (2 inch BSP Male)” has been added to your basket. View basket

Heat Exchanger Filler Necks

Showing all 2 resultsSorted by price: low to high

Bowman 3921-1 Filler Neck for Heat Exchanger (1.25″ BSP Male)
£43.25 (£43.25 inc UK vat) 206932 Add to basket
Bowman 3921-2 Filler Neck Heat Exchanger (2 inch BSP Male)
£60.68 (£60.68 inc UK vat) 206933 Add to basket

Showing all 2 resultsSorted by price: low to high

Services

Genuine Yamaha Parts
Yamaha Outboards
Whaly Boats
Terhi Boats

Chandlery

Boat Control
- Engine Controls
  - Control Boxes
  - Control Cables
- Engine Gauges & Accessories
  - Engine Gauges & Accessories
- Steering
- Thrusters
- Trim Tabs
Boat Maintenance
- Adhesives
  - Adhesives
- Cleaning & Polishing
- Deck Matting & Accessories
  - Treadmaster Accessories
  - Treadmaster Deck Matting
- Deionised Water
  - Deionised Water
- Hypalon Fabric
  - Hypalon Fabric
- Marine Fillers
  - Marine Fillers
- Resins & Fibreglass Repair
- Sealants
- Surface Preparation
  - Abrasive Discs
  - Tools
- Tape
  - Masking Tape
  - Other Tape
- Tools
  - Tools
Cabin Fittings
- Barrel Bolts
  - Barrel Bolts
- Blinds
  - Blinds
- Catches
  - Catches
- Cup Holders
  - Cup Holders
- Curtain Fittings
  - Curtain Fittings
- Door Fittings
  - Door Fittings
- Fasteners
  - Fasteners
- Handles & Knobs
  - Handles & Knobs
- Hasps & Staples
  - Hasps & Staples
- Hat & Coat Hooks
  - Hat & Coat Hooks
- Hinges
  - Hinges
- Lifting Rings
  - Lifting Rings
- Rod Sockets & Brackets
  - Rod Sockets & Brackets
Deck Equipment
- Anchoring
- Deck Hatches & Portlights
- Deck Plates, Fillers & Accessories
  - Deck Plates, Fillers & Accessories
- Inspection Hatches
  - Inspection Hatches
- Ladders & Steps
- Mooring Equipment
- Sailboat Hardware
- Shackles, Hooks & Eyestrips
- U Bolts
  - U Bolts
Electrical & Navigation
- Antennas & Accessories
  - Accessories
  - Antennas
- Batteries
  - Batteries
  - Battery Accessories
  - Battery Boxes
  - Battery Terminals
- Battery Chargers
  - Accessories
  - Chargers
- Battery Switches
  - Battery Selector Switches
  - Battery Switch Clusters
  - Over 300 amp
  - Remote Battery Switches
  - Spares & Accessories
  - Up to 300 amp
- Bonding Plates
  - Bonding Plates
- Bus Bars
  - Bus Bars
  - Covers
- Cable
  - Accessories
  - Copper
  - Tinned
  - Tools
- Cable Covers
  - Cable Covers
- Cable Glands
  - Cable Glands
- Circuit Protection
  - Circuit Breakers
  - Fuse Holders
  - Fuses
  - Switches & Panels
- Combination Units
  - Combination Units
- Connectors
  - Butt Splices
  - Crimp Connectors
  - Crocodile Clips
  - Heat Shrink Crimp Connectors
  - Screw Connector Strips
  - Tools & Accessories
  - Tube Terminals
- DC – DC Converters
  - DC – DC Converters
- DC Plugs & Sockets
  - DC Plugs & Sockets
- Digital Switching & Modular Cables
  - Digital Switching & Modular Cables
- Electronics
  - Autopilots
  - Cameras
  - Electronic Navigation Charts
  - Fish Finders & Chartplotters
  - Instruments and Spares
  - Network Components
  - Radars
  - Transducers and Accessories
  - Trolling Motors
  - VHF-AIS-Safety
- Inverters
  - Accessories
  - Inverters
- Isolation Transformers
  - Isolation Transformers
- Meters & Monitoring
  - AC
  - DC
  - Shunts
- Power Posts & Feed Through
  - Power Posts & Feed Through
- Shore Power Connections
  - Accessories
  - Power Connections
- Split Charge Components
  - Split Charge Components
- Terminal Blocks
  - Terminal Blocks
- TVs & Brackets
  - TVs & Brackets
Engine Spares by Model
- Beta Marine
  - 115T
  - 14 BZ482
  - 16 BZ602
  - 20 BD722
  - 25 BD902
  - 28 BD1005
Exhaust
- Anti-Siphon Valves
  - Anti-Siphon Valves
- Check Valves
  - Check Valves
- Dry Exhaust Bellows
  - Dry Exhaust Bellows
- Dry Exhaust Pipe
  - Dry Exhaust Pipe
- Dry Exhaust Silencers & Accessories
  - Exhaust Silencers
- Engine Exhaust Outlets
- Exhaust Lagging
  - Exhaust Lagging
- Exhaust Outlets & Flaps
- Exhaust Temperature Alarms
  - Exhaust Temperature Alarms
- Gas / Water Separators
  - Gas / Water Separators
- Goosenecks
  - Goosenecks
- Heat Exchangers & Exhaust Manifolds
- Inline Mufflers
  - Inline Mufflers
- Pipe Repair Kits
  - Pipe Repair Kits
- Tubes, Fittings & Hose Connectors
- Waterlock Mufflers
  - Waterlock Mufflers
- Wet Exhaust Hose
  - Wet Exhaust Hose
Fittings, Valves & Strainers
- Fittings
  - Adaptors
  - Blanking Caps
  - Brass Fittings
  - Bronze Fittings
  - Bulkhead
  - Bushes
  - Compression
  - Couplings
  - Cross
  - DZR Brass Fittings
  - Elbows
  - Fitting Kits
  - Hose Connectors
  - Hose Tails
  - Hydraulic
  - Nipples
  - Non-Metallic Fittings
  - Nuts
  - Olives
  - Pipe Manifolds
  - Plugs
  - Scuppers
  - Sender Adaptors
  - Skin Fittings
  - Sockets
  - Stainless Steel Fittings
  - Stop Ends
  - T Pieces
  - Unions
  - Washers
  - Y Pieces
- Gas Equipment
  - Gas Equipment
- Sealants & Thread Tape
  - Sealants & Thread Tape
- Strainers & Spares
- Valves & Spares
Fuel Systems
- Anti Theft Devices
  - Anti Theft Devices
- Copper & Nylon Tubing
  - Copper & Nylon Tubing
- Fillers & Filler Caps
- Filling Funnels
  - Filling Funnels
- Filters, Elements & Spares
- Fuel Hose
  - Fuel Hose
- Fuel Polishing
  - Fuel Polishing
- Fuel Pumps
- Fuel Treatments
  - Fuel Treatments
- Gas Alarms
  - Gas Alarms
- Gauges & Senders
  - Fuel Gauges
  - Fuel Level Senders
- No Smell Fuel Filters & Elements
  - No Smell Fuel Filters & Elements
- Pipe Clips & Copper Saddles
  - Pipe Clips & Copper Saddles
- Signs & Labels
  - Signs & Labels
- Spill Prevention & Clean-Up
  - Fuel Clean Up Products
  - Fuel Line Anti-Spill Devices
- Tanks & Accessories
- Water Detection Alarms
  - Water Detection Alarms
Galley Equipment
- Cookers, Hobs & Sinks
- Domestic Water Pumps
- Fire Extinguishers
  - Fire Extinguishers
- Kettles and Coffee Makers
  - Kettles and Coffee Makers
- Kitchenware
  - Kitchenware
- Laundry Equipment
  - Laundry Equipment
- Refrigerators, Freezers & Cool Boxes
  - Refrigerators, Freezers & Cool Boxes
- Taps & Showers
  - Taps & Showers
- Water Hose
  - Water Hose
- Water Purifiers & Water Filters
  - Water Purifiers & Water Filters
- Water Treatments
  - Water Treatments
Gauges
- Bulbs & Accessories
  - Bulbs & Accessories
- Electrical Cables
  - Electrical Cables
- Gauge Voltage Converters
  - Gauge Voltage Converters
- Gauges & Instruments
- Instrument Panels & Wiring Looms
- Senders & Fittings
- Switch Panels
  - Switch Panels
General Boat Equipment
- Bedding
- Bike Accessories
  - Bike Accessories
- Boarding & Mooring
  - Handrails
- Boat Accessories
  - Angling Equipment
  - Boat Covers
  - Launching Wheels
  - Oars, Paddles & Rowlocks
  - Storage
  - Trailer Accessories
- Camping Equipment
  - Camping Equipment
- Canopy Fittings
  - Canopy Fittings
- Electronic Device Mounts
  - Mounts
  - Top Plates & Holders
  - Wireless Phone Chargers
- Fans
- Flags & Signals
  - Courtesy Flags
  - Ensigns
  - Flag Accessories
  - Flag Poles
  - Flagstaffs
  - Signaling Flags
  - Signals
- Galley Equipment
  - Cooking
  - Galleyware & Appliances
  - Refrigeration
- Inflatable Boat Accessories
  - Inflatable Boat Accessories
- Manual Bailers
  - Manual Bailers
- Marine Audio
  - Marine Audio
- Marine Instruments
  - Clock
  - Thermometer
- Outboard Motor Accessories
  - Flushing Attachments
  - Hydrofoils
  - Kill Switches
  - Outboard Motor Accessories
  - Outboard Motor Brackets
  - Outboard Motor Covers
  - Outboard Motor Locks
  - Outboard Moving & Lifting
  - Transom Pads
- Ratchet Straps
  - Ratchet Straps
- Rope
  - Mooring Rope
- Seating & Tables
  - Cushions
  - Helm Seats
  - Table Bases
  - Table Legs
- Seawear & Bags
  - Clothing
  - Gloves
  - Waterproof Bags
- Windscreen Wipers
  - Accessories
  - Arms & Blades
  - Kits
  - Motors
Heating & Ventilation
- Heating
- Ventilation
Hose
- Coolant & Heater Hose
  - Coolant & Heater Hose
- Deckwash Hose
  - Deckwash Hose
- Ducting Hose
  - Ducting Hose
- General Purpose Hose
  - General Purpose Hose
- Hose Clips, Clamps & Accessories
- Hydraulic Oil Cooler Pipes
  - Hydraulic Oil Cooler Pipes
- Layflat Hose
  - Layflat Hose
- Sanitation & Waste Hose
  - Sanitation & Waste Hose
- Silicone Hose
- Steering Hose
  - Steering Hose
- Water Intake Hose
  - Water Intake Hose
Hull & Engine Components
- Air Filters
  - Air Filters
- Alternators
  - Alternators
- Anodes
  - Accessories
  - Bow Thruster
  - Hull & Strainer
  - Inboard
  - Outboard
  - Pencil
  - Propshaft
  - Rudder / Trim Tab
  - Stern Drive
- Crankcase Vent Systems
  - Crankcase Vent Systems
- Cutlass Bearing
  - Brass Shell
  - Phenolic Shell
- Engine Mounts & Drive Plates
  - Engine Mounts & Drive Plates
- Engine Spares
  - Engine Spares
- Exhaust Systems
  - Dry
  - Wet
- Fuel Additives
  - Fuel Additives
- Fuel System Components
  - Deck Fillers
  - Fuel Filtration
  - Fuel Hoses
  - Fuel Tanks
- Gearbox Spares
  - Gearbox Spares
- Gland Packing
  - Gland Packing
- Oil Filters
  - Oil Filters
- Oils & Lubricants
  - 2 Stroke Oil
  - 4 Stroke Oil
  - Diesel Engine Oil
  - Grease
  - Other Lubricants
- Prop Shaft
  - Prop Shaft
- Propellers & Accessories
  - Accessories
  - Turbine
- Rudder Bearings
  - Rudder Bearings
- Rudder Stocks & Tiller Accessories
  - Tiller Bars
  - Tiller Handles
  - Tiller Pins
- Shaft Couplings
  - Centaflex Coupling
  - Flexible Coupling
  - Split Half Coupling
- Shaft Seals
  - Shaft Seals
- Sound Proofing
  - Sound Proofing
- Starter Motors
  - Starter Motors
- Stern Gear
  - Stern Gear
- Winter Lubricants
  - Winter Lubricants
Lighting
- Bulbs & Tubes
  - BA15d Bulbs
  - BA15s Bulbs
  - BA7s Bulbs
  - BA9s Bulbs
  - BAY15d Bulbs
  - Bulb Adaptors
  - Edison Bulbs
  - Festoon Bulbs
  - Fluorescent
  - Fluorescent & Halogen Tubes
  - Halogen
  - Incandescent
  - LED
  - Screw In Bulbs
  - Sealed Beam Bulbs
  - Spot Bulbs
  - Wedge Base Bulbs
- Deck Lights
  - Deck Lights
- Dimmers
  - Dimmers
- Exterior Lights
  - Exterior Lights
- Interior Lights
  - Interior Lights
- Interior Lights & Spares
  - Interior Lights
  - Spares & Accessories
- IP Rated Utility Lights
  - IP Rated Utility Lights
- LED Bulbs
  - LED Bulbs
- LED Lights
  - LED Lights
- Navigation Lights
  - Navigation Lights
  - Spares & Accessories
- Navigation Lights & Spares
  - Navigation Lights
  - Spares & Accessories
- Pole Lights
  - Pole Lights
  - Spares & Accessories
- Rescue Lights
  - Rescue Lights
- Search Lights
  - Search Lights
- Searchlights & Spares
  - Searchlights & Spotlights
  - Spares & Accessories
- Torches
  - Torches
- Tunnel & Work Lights
  - Tunnel & Work Lights
- Underwater Lights
  - Underwater Lights
- Utility & Courtesy Lights
  - Utility & Courtesy Lights
- Warning Lights
  - Warning Lights
Maintenance & Consumables
- Cleaning & Polishing
NamePath_1
Paint & Coatings
- Above Waterline
  - Additives
  - Bilge, Locker & Deck Paint
  - Gloss
  - Hypalon Paint
  - Primers
  - PVC Paint
  - Varnish
  - Wood Oils
- Antifouling Paint
  - Antifouling Paint
- Below Waterline
  - Antifouling
  - Bitumen Paints
  - Gel Coat Protection
  - Underwater Primer
- Bilge & Locker Paint
  - Bilge & Locker Paint
- Blacking Paint
  - Blacking Paint
- Deck Paint
  - Deck Paint
- Engine Paint
  - Engine Paint
- Gelcoat
  - Gelcoat
- High Temperature Paint
  - High Temperature Paint
- Paint Brushes
  - Paint Brushes
- Paint Brushes and Accessories
  - Paint Brushes and Accessories
- Paint Rollers
  - Paint Rollers
- Paint Stripper & Thinners
  - Paint Stripper & Thinners
- Protective Coatings
  - Protective Coatings
- Rust Inhibitors
  - Rust Inhibitors
- Surface Preparation & Finishes
  - Surface Preparation & Finishes
- Thinners, Degreasers & Strippers
  - Thinners, Degreasers & Strippers
- Topcoat / Flowcoat
  - Topcoat / Flowcoat
- Topcoat Primers
  - Topcoat Primers
- Underwater Primer
  - Underwater Primer
Plumbing
- Copper Tubing & Compression Joints
  - Compression Fittings
  - Copper Tubing
- Domestic Water Systems
  - Fresh Water Supply
  - Sanitation
- Hose
- Hose Clips & Clamps
- Pipe Fittings
- Seawater Strainers
- Thread Tape
  - Thread Tape
- Through Hull Fittings
  - Brass
  - Bronze
  - Chrome
  - DZR
  - Plastic
  - Stainless Steel
- Valves
Pumps
- Air Pumps
  - Air Pumps
- Bilge Pumps
- Clutch Pumps
  - Clutch Pumps
- Domestic Water Pumps
  - Pressure Pumps
  - Transfer Pumps
- Drill Pumps
  - Drill Pumps
- Electrical Pumps
- Engine Cooling Pumps
- Engine Driven Circulation Pumps
  - Engine Driven Circulation Pumps
- Impeller Pullers & Lubricant
  - Impeller Pullers & Lubricant
- Impellers
- Inflatable Boat Pumps
  - Inflatable Boat Pumps
- Livewell Pumps
  - Livewell Pumps
- Macerator Pumps
  - Macerator Pumps
- Manual Pumps
- Pump Spares
  - Flojet Pump Spares
  - Jabsco
  - Johnson
  - Johnson Pump Spares
  - Orbitrade
  - Patay
  - Patay Pump Spares
  - Sherwood
  - Shurflo
  - Sierra
  - Whale
  - Whale Pump Spares
- Sump and Oil Change Pumps
  - Sump and Oil Change Pumps
- Washdown Pumps
  - Washdown Pumps
- Waste Pumps
  - Waste Pumps
Safe & Secure
- Antennas & Accessories
  - Accessories
  - Antennas
- Emergency Location Beacons
  - Emergency Location Beacons
- Fire Safety & Smoke Alarms
  - Fire Suppression Systems
  - Manual Fire Extinguishers
- First Aid Kits
  - First Aid Kits
- Gas Detectors
  - Gas Detectors
- Horns
  - Electric
  - Horns
- Hygiene & Protection
  - Hygiene & Protection
- Key Floats
  - Key Floats
- Life Buoys
- Padlocks & Security
  - Padlocks & Security
- Radar Reflectors
  - Radar Reflectors
- Safety Plugs
  - Safety Plugs
- Warning Labels
  - Warning Labels
Safety
- Beacons & Transponders
  - Beacons & Transponders
- Binoculars
  - Binoculars
- BSS
- Bungee Cords
  - Bungee Cords
- Emergency Ladders
  - Emergency Ladders
- Fire & Smoke Alarms
  - Fire & Smoke Alarms
- Fire Extinguishers
  - Fire Extinguishers
- Fire Ports
  - Fire Ports
- Hi-Vis Bags
  - Hi-Vis Bags
- Horns
  - Horns
- Kill Switches
  - Kill Switches
- Life Buoys
  - Life Buoys
- Life Jackets & Buoyancy Aids
- PPE
  - PPE
- Radar Reflectors
  - Radar Reflectors
- Rescue Lights
  - Rescue Lights
- Safety Plugs
  - Safety Plugs
Sanitation
- Macerator Pumps
  - Macerator Pumps
- No Smell Waste Filters & Elements
  - No Smell Waste Filters & Elements
- Shower Sump Systems
  - Shower Sump Systems
- Sink & Shower Waste Outlets
- Toilet Cleaning
  - Toilet Cleaning
- Toilet Spares
  - Toilet Spares
- Toilets
  - Toilets
- Waste Pump Out Deck Fittings
  - Waste Pump Out Deck Fittings
- Waste Water Tank Accessories
- Waste Water Tanks
  - Waste Water Tanks
Steering & Controls
- Bow & Stern Thrusters
  - Bow & Stern Thrusters
  - Bow Thruster Spares
- Control Cables & Fittings
- Dual Station Control Units
  - Dual Station Control Units
- Engine & Gearbox Controls & Spares
  - Control Levers
  - Spares & Accessories
- Engine Stop Cables & Fittings
  - Cables
  - Fittings
- Hydraulic Steering
  - Helm Pumps
  - Hose
  - Oil
  - Rams
  - Spares & Accessories
- Mechanical Steering
- Outboard Engine Tie Bars
  - Outboard Engine Tie Bars
- Rudders, Glands & Tiller Arms
  - Rudders, Glands & Tiller Arms
- Steering Wheels
  - Accessories & Spares
  - Steering Wheels
- Trim Tabs & Accessories
  - Actuators & Brackets
  - Cables
  - Control Panels
  - Kits
  - Plates
  - Spares
  - Switches
Uncategorised
Ventilation
- Air Vents
  - Air Vents
- Clamshell Vents
  - Clamshell Vents
- Cowl Vents
  - Cowl Vents
- Extractor Fans
  - Extractor Fans
- Inline Blowers
  - Inline Blowers
- Mushroom Deck Vents
  - Mushroom Deck Vents
- Snail Cam Blowers
  - Snail Cam Blowers

Basket

Useful Links

Terms & Conditions
Shipping Terms
Refund & Return Policy
My Account
Contact Us

Social Media

Authorised Dealer

Flood Marine Services LTD are Authorised YAMAHA Outboard Dealers.

Contact Us

Flood Marine Services LTD
22 Killybrack Road
Omagh
County Tyrone
Ireland
BT79 7SX,
+44 2882 246 539

© Marine Chandlery from Flood Marine Services 2025
Privacy PolicyBuilt with Storefront & WooCommerce.