Water Fuel Separator & Diesel Fuel Filter
Water Fuel Separator & Diesel Fuel Filter
Water Fuel Separator & Diesel Fuel Filter Water Fuel Separator & Diesel Fuel Filter

Water Fuel Separator & Diesel Fuel Filter

Catalogue Code: 640001
£55.95 In Stock Online
Save £7.85 RRP £63.80
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  • Get it on Friday, 8th July if ordered within the next --:--:-- and select Next Day Delivery *UK Mainland Only
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Optional Extras Tick to add optional extras to your basket
Fuel Filter Copper Pipe Stud Coupling 1/4"
Fuel Filter Copper Pipe Stud Coupling 1/4" £6.95 Save £0.55 RRP £7.50

View all 6 optional extras

  • Description
  • Availability
  • Delivery & Returns
  • Questions & Answers
  • Reviews
Delphi Water Fuel Separator & Diesel Fuel Filter

Efficient, compact and sturdy. Water is collected in the base and you can drain it easily without dismantling the unit. Quick & easy to change the filter element, this unit offers efficient dirt removal & water separation from fuel lines.


  • Clear plastic settling bowl
  • For diesel systems
  • Max Fuel flow: 50 LPH
  • Max Engine: 3500cc
  • Four M14 x 1.5 ports (2 open, 2 with blanking plugs)
  • Length Overall: 180mm
  • Width 100mm x Depth 90mm

For extra fittings & filters see:

  • Code: 640007 Replacement Filter Element
  • Code: 640219-0254 Fitting Kit for 1/4" Copper Fuel Pipe
  • Code: 640219-2433 Fitting Kit for 5/16" Copper Fuel Pipe
  • Code: 640219-2489 Fitting Kit for 3/8" Copper Fuel Pipe
  • Code: 640020 Fitting Kit for 8mm Hose

Take a look at the Water Fuel Seperator and Diesel Fuel Filter Installation Guide

Stock Availability

Stock can move quickly, so this is just a suggestion of current levels, please phone the shop to confirm.

The ship to store service is based on Head Office sending stock to a branch.

If you wish to call & collect stock, please do so over the phone using the number provided.

Store Availability Telephone
Cardiff 02920 220929
Chichester 01243 773788
Deacons 02380 402182
Lymington 01590 673698
Nailsworth (Head Office) 0345 130 0710
Port Hamble 02380 454858
Plymouth 01752 548301
Poole 01202 723311
Poole Quay Not currently in stock - available to ship to store by 14th July 2022 01202673056
Southampton 02380 632 725

- Good Availability

- Low Availability

- One item left

Delivery & Returns

Our Mail Order team ship chandlery, yacht parts and sailing clothing around the world. We use the best value couriers available, and we will endeavour to get your products to you as quickly and as cost effectively as possible.

International Orders: Due to delays we have had to suspend our international delivery options. 

UK Standard Delivery

  • UK Mainland 0 - 1Kg (small jiffy) £3.95 Royal Mail Service. Despatch within 3- 5 working days, delivery in 5-7 working days
  • UK Mainland 1 - 25Kg £5.95 Courier service with signature. Despatch within 3- 5 working days, delivery in 5-7 working days
  • UK Mainland 25Kg+ Price on request
  • UK Mainland Next Day 0 - 25Kg £9.95 Courier service with signature, orders must be placed before midday
  • Northern Ireland, Highlands & Islands 0 - 1Kg (small jiffy) £3.95 Royal Mail Service. Despatch within 3- 5 working days, delivery in 5-7 working days
  • Northern Ireland, Highlands & Islands 1 - 25Kg £10.95 Courier service with signature. Despatch within 3- 5 working days, delivery in 7-10 working days
  • Northern Ireland, Highlands & Islands 25Kg+ Price on request
  • Channel Islands 0 - 1Kg (small jiffy) £5.95 Royal Mail Service Despatch within 3- 5 working days, delivery in 5-7 working days
  • Channel Islands 1 - 25Kg £13.50 Courier service with signature. Despatch within 3- 5 working days, delivery in 5-7 working days
  • Channel Islands 25Kg+ Price on request

UK Exceptional Delivery

  • UK Mainland; Antifoul & paints £5.95
  • UK Mainland; Inflatable dinghy £10.00
  • UK Mainland; Liferafts £17.50
  • UK Mainland; Flares £49.95
  • Northern Ireland, Highlands & Islands; Antifoul & paints £9.95
  • Northern Ireland, Highlands & Islands; Inflatable dinghy price on request
  • Northern Ireland, Highlands & Islands; Liferafts price on request
  • Northern Ireland, Highlands & Islands; Flares not available to ship at this time
  • Channel Islands; Antifoul & paints £13.50
  • Channel Islands; Inflatable dinghy price on request Channel Islands; Flares not available to ship at this time

For further delivery information click here.


Standard Returns

If you are not entirely happy with your purchase, we will exchange or refund your goods in full, provided that the items are returned within 14 days of receipt.*

Please check the condition of goods on arrival - we are unable to accept goods damaged during shipping after 14 days.

Returned goods must be packaged securely, with all original packaging undamaged and in a saleable condition i.e. shoe boxes must be in the same condition as when received.

Goods must be unused and security seals intact.*

If you would like to return goods because they were ordered incorrectly or if clothing does not fit, return postage will be at your expense. If you would like us to replace the goods with another size or colour, we will charge carriage on the replacement.

Please be aware that some navigational and safety products may be dated, and as such a full refund may in some cases not be possible. If you are purchasing dated navigational charts we suggest you contact us for more information.

Faulty Goods

If you receive your goods and believe them to be faulty, please contact us straight away with a brief description of the problem. If we require you to return the product for a replacement, we will send you a pre-paid Royal Mail label for delivery back to us. Unfortuantely we cannot send the courier back to collect the items.

Returning goods to Force 4 is easy!

  1. Please contact us by ringing 0345 1300 710 or email on [email protected] This way we'll be able to determine whether you would like to return the product for a refund or whether you'd like to exchange the product. We are unable to process the return of faulty goods that we're not expecting.
  2. We'll then give you a returns number. This returns number will need to be clearly marked on the outside of your parcel so it can be identified on arrival. Please note, failure to mark a returns reference number on the outside of your parcel may result in a delay in processing your return.
  3. Don't forget your proof of postage, just in case!
  4. Once we receive the item we'll be able to proceed with a refund or an exchange.

*this excludes faulty goods with manufacturers defects. If goods are found to be faulty during use, after the returns period, please just give us a ring on 0345 1300 710 and we'll be happy to help.

Questions & Answers
Questions & Answers
Can this be used for petrol or diesel? Scott foster

No it can only be used for Diesel only.


Does this filter meet the ISO 10088 standard? ian litton

This product has not been tested, so it does not meet the ISO 10088 Standard.



This unit is for use with diesel fuel systems. However, we do sell a Quicksilver Water Seperating Fuel Filter Kit which is suitable for use with petrol outboard and Mercruiser inboard petrol engines which will hopefully be suitable for your requirements. Please see Product Code: 630559 21/09/18

Can you supply a replacement bowl, mine has a crack in it? Michael Sheehan
We have contacted the supplier, but the bowls are not available as a spare, so they are only available with the complete unit. 05/03/21.
When fitting the Filter, does it have to be primed in any way before use? Adam Hervey
I am not able to confirm this. My understanding is that air should always be purged from a diesel fuel system when replacing filters. I think you should confirm this with a marine engineer or a dealer for your engine before proceeding. Marine Engineering Looe Ltd might be able to help 01752 226143. I hope this is helpful. 08/04/21

Write a review for this product

- Leaks Diesel - DO NOT BUY

I bought this as a 2nd in-line filter/water separator after having problems with biodiesel blocking the strainer in the fuel pump. I could not prevent it leaking even after carefully assembling, disassembling and reassembling 3 times, and the diesel head is only 5 cm. The leak occurs at the gasket between the plastic bowl and the filter element. There is no damage or foreign items at the plastic bowl, gasket or base of the filter element where it seals. So I assume something is out-of spec. It comes with no spare gaskets, or O-rings and there is no information as to the sizes of these items. It is very frustrating as apart from wasting 3 hours (not to mention the money and on the basis that Force 4 sells quality stuff, I also bought 3 replacement filters at the same time - silly me!), diesel inevitably drains into the bilge, etc. And of course I have to find another solution for the bio-diesel problem. Geoff H-S on Saturday, 20th May 2017 

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Men's Size Guide

  To Fit Height To Fit Chest
X SMALL 5'2" - 5'4" 34 - 36"
SMALL 5'5" - 5'7" 36 - 38"
MEDIUM 5'7" - 5'10" 38 - 40"
LARGE 5'11" - 6'1" 41 - 43"
X LARGE 6'1" - 6'3" 44 - 46"
XX LARGE 6'3" - 6'5" 46 - 48"


Shoe Sizes

3.5 36   5.5
4 37   6
4.5 37.5   6.5
5 38 5.5 7
5.5 38.5 6 7.5
6 39.5 6.5 8
6.5 40 7 8.5
7 40.5 7.5 9
7.5 41.5 8 9.5
8 42 8.5 10
8.5 42.5 9  
9 43 9.5  
9.5 44 10  
10 44.5 10.5  
10.5 45 11  
11 45.5 11.5  
11.5 46.5 12  
12 47 12.5  
12.5 47.5 13  
13 48 13.5  
14 50 14.5  
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