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Water Separating Fuel Filter Kit, 35-18458Q4

Satisfaction rating 5 out of 5 (44 Ratings)
$28.99
You save $0.93. (3%) $29.92
5+ IN STOCK
Ships Immediately
Parts included in this kit

Product Description

Mercury factory part. Search for more factory parts & parts diagrams.

Parts included in this kit

Please note: Some of the included items may not be available for purchase separately and won't be listed here.

Product Questions

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44 Product Reviews

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1996 Mercury 150 hp efi

Repair Difficulty
Easy
Repair Time
More than 4 hours
Excellent.
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Problem fixed: Water pump, and diaphragm fuel pump

Repairs ongoing. Water pressure erratic. Removed oil injection system. Runs awhile then shuts down and won't start until next day. Troubleshooting ecm. No ignition spark on 150 hp ecm. Installed 200 hp ecm and got it running. Still need lake test.

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Mercury 150

Repair Difficulty
Medium
Repair Time
Less than 30 mins
Great! Return customer. The online parts catalog makes finding parts so easy and I know they’ll fit. OEM brands is a must, and they have it or can get it fast. Prices are best around on almost everything and 1 call to customer service answered ALL my questions. Preferred vender.
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Problem fixed: Full service tune-up (used boat)

I checked all the boxes on this used boat with unknown service history. I replaced everything from spark plugs, thermostats, fuel pump, both fuel filters, fuel line, and some miscellaneous missing/broken items from the cowling. Crowley had it all!

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1999 Mercury 225 EFI XL

Repair Difficulty
Easy
Repair Time
Less than 30 mins
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Problem fixed: poor low rpm performance / rough starts

spark plugs and fuel filter/water separator replacement

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Good experience with store order was right & easy to place
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Very helpful description on how to use there website. Emailed me detailed pics about boat repair also. Was much helpful.... Thanks Crowley marine
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200 Mercury Optimax Sportjet

Repair Difficulty
lProfessional
Repair Time
2 to 4 hours
I will buy from Crowley again, but only when it is specific engine parts. It was impossible to find information about rigging for the Mercury engines on the Crowley website. There is a rigging section, but it only applies to Yamaha and Johnson.
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Problem fixed: Poor acceleration, cavitation

Rebuilt the OEM stator by welding vanes and polishing. Replaced standard impeller with high skew impeller, replaced control cable boots, and replaced wear ring.

Merc 175 efi

Repair Difficulty
Easy
Repair Time
Less than 30 mins
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Good service and Fast delivery.
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Mercury Optimax 200 Sportjet

Repair Difficulty
Easy
Repair Time
Less than 30 mins
Product was correct, website made finding correct part easy. Website was inaccurate about shipping. Crowley does not ship on Saturday regardless of what their website promises.
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Problem fixed: Oil Alarm

Float in oil tank failed. Replaced tank. Crappy, non-serviceable design from Mercury.

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Excellent. Fast shipping to Australia and all correct parts
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Merc inboard

Repair Difficulty
Medium
Repair Time
30 to 60 mins
Great!
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Problem fixed: Hard starting

Changed plugs, fuel filter water separation filter, and oil sensor. Runs great

Mercury 135 Optimax

Repair Difficulty
Easy
Repair Time
Less than 30 mins
The reason I bought from them, I was able to get all my parts in one place at a reasonable price. Very good communication also.
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Problem fixed: Routine maintenance

Changed fuel filter, air filter, replaced rubber grommets for cowling and replaced water impeller & gaskets.

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Mercury 2005 200EFI

Repair Difficulty
Easy
Repair Time
Less than 30 mins
I have bought from Crowley Marine in the past and have always had a good experience.
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Problem fixed: Routine maintenance

I replaced the spark plugs (NGK BPZ8HS-10), gap confirmed to .040" and torqued to 20 ft. lb. It took longer getting the tools than it did to do the job. I also replaced the fuel filter. This outboard has a spin on filter very similar to an oil filter on a four stroke. (Be sure to put a little oil on the gasket). The fuel filter is very accessible and super easy to change.

OPTIMAX 150

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Fast shipping less expensive prices and always in stock on parts ordered.
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Great as always
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Excellent, correct order, good price and delivered on time
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Mercury 150HP

Repair Difficulty
Medium
Repair Time
30 to 60 mins
Good experience. Problem with the order, but replacement sent very quickly.
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Problem fixed: overheating and alarm buzzer coming on

Water pump impeller and gasket replacement as the overheating alarm was going off and no water was coming out of the small hole on the engine indicating no water was being pumped.

Repair Difficulty
Easy
Repair Time
Less than 30 mins
Just fine
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Problem fixed: Low power

Simple change plugs, wires, fuel filter.

Fantastic, great customer service and fast shipping - can't want for more than that!
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Mercury Optimax 225

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Optimax 225

Great
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The parts I need, at competitive prices, delivered to my doorstep. What more can I say.
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Mercury 225

Repair Difficulty
Easy
Repair Time
30 to 60 mins
by

Problem fixed: Routine maintenance

Great place to order parts for my 1999 mercury 225 outboard. Replaced water pump and fuel filter. I will definitely order from crowley marine again.

早急な対応に私は満足しております。 有難うございました。
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Crowley provides a great service for do it yourself boat owners. You provide a single source for many parts that I would have to special order from a local marina. And best of all they get delivered to my doorstep.
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Seadoo challanger 1800

Repair Difficulty
Easy
Repair Time
Less than 30 mins
Great selection of parts. Fast delivery.
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Product Fitment Grid

This guide is to be used as a reference only. You must verify fitment using your model or serial number.

Customers Also purchased

Supersession Chain

Name SKU Superceding SKU
Water Separating Fuel Filter Kit, VIEWING THIS PRODUCT 18458Q4 CURRENT
FILTER-FUEL-WHITE 184585 18458Q4
Fuel Filter Kit 18458A4 18458Q4

Aftermarket Product Interchange

Name SKU Price Brand
Fuel Water Separator Filter 18-7968 - Sierra Marine
Filter,Fuel Water Seperator 9-37806 $19.99 Mallory Marine
Mercury Fuel Filter W/ Sensor V6 EFI/Opti 1996^ Oem#35-18458Q4 ME-F119 - Red Rhino
Due to manufacturer policy OEM Mercury products can only be shipped to addresses within the United States.