The Best Automotive Replacement Fuel & Water Separators

Looking for the best Automotive Replacement Fuel & Water Separators?

Discover now our comparison of the best Automotive Replacement Fuel & Water Separators. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Fuel & Water Separators are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Fuel & Water Separators in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1

Kofil R12T Fuel Water Separator Marine Fuel Filter/Water Separator Assembly, for Outboard Motor Marine Engine, Replaces# S3240 120AT with 2 3/8" Barb × 1/4" NPT Male Fittings 2 Plugs,10 Micron

Efficient Multi-layer Filtration: Features a high-performance 3-layer filter element, can remove up to 99% of water and harmful debris from gasoline/diesel. Helps prevent damage to fuel injectors and other sensitive engine components
Specifications: Suitable for gasoline and diesel outboard engines. Maximum flow rate: 15 GPH, Micron rating: 10 microns. Please check your engine’s flow rate and filtration requirements before purchasing
Durable Construction: The filter body is coated with a rust-resistant layer to prevent corrosion from water. The element has deeper and denser pleats than others, allowing it to capture more debris and extend the lifespan of the separator
What's in the Package: Includes everything you need for installation: 1 x R12T assembly, 1 x Sealant Tape, 2 x Plugs, 2 x 3/8" Barb × 1/4" NPT Male Fittings. Ready for easy installation right out of the box
Maintenance & Support: We recommend replacing the filter every 500 hours or 10,000 miles to maintain optimal performance. For any questions or concerns, please feel free to contact us, we’re always here to help

No. 2

CARMOCAR Fuel Filter Water Separator replacement for Marine Outboard Motor Mercury with 3/8" Barb x 1/4" NPT brass Fittings Replaces# S3213, S3214, 35-60494-1, S3213, 18-7932-1, 18-17928, 35-809097

【Marine Diesel & Water separator】: Perfect for a variety of universal fuel applications, replacement for Marine Outboard Motor Mercury.
【Part number】: replacement for Mercury 35-60494-1,S3213, B32013,18-7932-1, 18-7932, 18-7928-1, 18-7928 ; Filter Replaces for Mercury Marine 35-809097 ; replacement for Yamaha MAR-24563-03-00, 18-7919, 18-7919-1;Bowl Replaces 18-7922-1, 18-7922 ;Bracket Replaces 18-7853-1.
【3/8 NPT ports】: Fuel Water Separator 3/8 NPT ports offer lower pressure drop rates.10 micron filters are over 92% efficient at removing particles as small as 10 microns, Trap The Smallest particles and emulsified water from gasoline. So a clean fuel filter can reduce damage done to your engine and other fuel delivery components.
【HIGH QUALITY】: The filter is constructed of premium aluminum material for long lasting durability and reliability.multi-layer filter and superior sealing components to ensure leakage resistance and extreme durability under various operating conditions.
【Package included】: As pictures show,It comes 1 x Fuel Water Separator Marine with 3/8-Inch Barb x 1/4-Inch NPT brass fittings.
【ABOUT SERVICE】：Durable and Long Lasting Diesel & Water separator，the customer service period is 1 year.Note: Please check the display pictures and OEM to see before purchase.
【Notice】：This is a Diesel & Water separator. It cannot be used for Petrol & Water separator.The frequency of changing the water filter or the water filter depends on the degree of contamination in the fuel. Inspect or drain the collection bowl of water daily and replace the filter annually.

No. 3

iFJF R12H (R12T Upgrade) Fuel Water Separator Marine Complete Combo - Replaces S3240 120AT NPT ZG1/4-19 Automotive Replacement Spin-on Filter Includes 2 Fittings 2 Plugs

New upgrade: This product is an upgraded version of R12T. The R12T filter element is not removable, and the housing needs to be replaced at the same time as the replacement. The R12H filter element is detachable, and you only need to replace the internal filter element each time, which greatly saves your cost. Please note: The internal filter element requires a certain amount of effort to be pushed out.
Buyer Benefits: Two filter elements and two O-rings are given for free, so there are three filter elements and four O-rings in total. Package includes: 1 x R12H Fuel Water Separator complete combo, 2 x connection fittings, 2 x plugs, 2 x additional filter elements, 2 x additional O-rings.
Material Upgrade: For ships going to sea, iron products are very easy to be damaged due to the influence of seawater and sea breeze. The upgraded R12H adopts aluminum alloy material and plastic-sprayed processing technology as a whole, which effectively avoids the above-mentioned problems.
Replace Part Number: S3240 R12T 120AT, 18-7987, RK10222.
Features: This spin-on filter design is easy to replace, and other parts except the filter element can be reused. The black valve under the transparent nylon collection bowl can control the discharge of water. The R12H filter is designed for high-performance applications, and with a flow rate of 15 GPH. Through the advanced large-capacity filter media, water and particles as small as 10 microns are removed to ensure that the incoming fuel is free of water and other particles.
It is recommended to check and replace the oil cup and filter element regularly.

SaleNo. 4

Fuel Water Separator Marine Kit R12T 120AT NPT ZG1/4-19, 10 Micron Filter Effect Is Suitable for 3/8 Inch NPT Outboard Motor, Suitable for All Diesel Equipment

Product parameters: The assembly height is 1/4 inch, the port/connection size is M18 X 1.5 center thread, the filter grade is 10 microns, and the maximum flow rate is 30 GPH (57 LPH).
Product features: This rotary filter design is easy to replace, the reusable transparent nylon collection bowl, and has an automatic exhaust device to remove excess dirt and water. The filter is made of high-quality aluminum material with long-lasting durability and reliability.
Product function: Remove iron oxide, dust and other solid impurities contained in the fuel to prevent the fuel system from being blocked (especially the fuel nozzle).
Applicable equipment: They are more suitable for compact off-road diesel equipment, which can be installed on tractors, skid steer loaders, porters, agricultural machinery, generator sets and outboard engines.
After-sales service: Provide you with one-year after-sales service. If you are not satisfied with the goods, please contact us in time, we will provide you with the best service.
Fit type: Universal

No. 5

WIX Filters - 33472 Heavy Duty Spin On Fuel Water Separator, Pack of 1

Pleated paper filter
Highly durable and reliable
Provides a mesh support screening
Features a drain plug
Easy installation and maintenance

No. 6

ZTUOAUMA Fuel Water Separator Assy Bronze Fuel Filter Element Kit 6mm Outlet and Inlet with Hoses and Clamps Compatible with Webasto Eberspacher Diesel Parking Heaters

Application Models: Direct Repalcement for Eberspacher Webasto Diesel Parking Heaters
Inlet/Outlet Diameter: 6mm; Inner Diameter: 3mm; Outer Diameter: 6mm; Overall Length: 104mm
Package Includes: 1X Fuel Filter(with Bronze Element); 4X Clamps; 2X Hoses; 1X Screw
The inside filter element is made of bronze, high efficiency in screening out dirt and rust particles hard to get rust with waterproof material painted, equipped with see-through fuel filter cover, easy to view debris trapped in filter
Warranty: Returnable for 6 Months and Changeable for 1 Year(return and change for free)

No. 7

Caterpillar 175-2949 Advanced High Efficiency Fuel Water Separator

genuine cat 175-2949 fuel water separator
thread size (inch): 1 - 14
height: 185mm
diameter: 93mm
Fit type: Vehicle Specific

SaleNo. 8

Baldwin Fuel/Water Separator Element - PF7777

Package Dimensions: 11.8 H x 8.7 L x 9.0 W (centimeters)
Fit Type: Vehicle Specific
Country of Origin : United States
Package Weight: 0.167 kilograms

SaleNo. 9

Dorman 904-439 Water in Fuel (WiF) Sensor Compatible with Select Chevrolet/GMC Models

Ideal replacement - this water-in-fuel (WiF) sensor matches the original equipment sensor's function and performance
Durable construction - this sensor is made of durable materials to withstand exposure to diesel fuel
Cost-effective solution - offers original equipment quality at competitive price
Quality tested - this part has undergone vehicle try-on and bench testing to ensure a quality fit and long service life
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

SaleNo. 10

Attwood 11841-4 Universal 10-Micron Fuel/Water Separator Filter with Double Gasket, Unspecified

Double seal for enhanced performance
Universal 3/8" (.85cm) ports
10 micron replacement capability
Replacement for: Mercury 35-60494-1, Aqua Power 6031, GLM 24940, Sierra 18-78250, SMI 15494, Valmar 52113, Marpac 7-0872

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Last update on 2025-07-16 / Affiliate links / Images from Amazon Product Advertising API

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