-50%

$7.64

Ca141 Diesel Coarse Fuel Water Separator Filter with Connector

16 sold recently🏬 Sold by Auto Parts Retail Center Store

✅ Separates water from diesel fuel
✅ Removes coarse particles and debris
✅ Protects fuel injection system

👤 Owners of diesel-powered machinery or vehicles requiring an additional fuel pre-filtration layer.

from$7.64

Price updated 12 Oct 2026

Options (2):

ℹ️ Final price per option is set on AliExpress.

Ensure your engine stays in peak condition with this diesel fuel-water separator. Designed to effectively remove moisture and impurities, it provides essential protection for your fuel system. It is an ideal choice for vehicle owners prioritizing long-term engine reliability.

🛒 Buy now on AliExpress →

📋 Full specs, sizes, materials & detailed description - on the AliExpress product page →

🌍 Ships worldwide via AliExpress with a tracking number. Any local import taxes (if any) are set by your country's customs, not by InstaShop.

📈 Price historyTracked daily since 28 Sept · 15 days

28 Sept12 Oct

Lowest

$7.55

Highest

$7.68

$7.64

➖ A typical price for this item

Over 15 days of daily tracking (since 28 Sept) the price ranged from $7.55 to $7.68. Today: $7.64.

Based on InstaShop's daily price tracking of AliExpress. The final price is set by AliExpress.

💡 Why buy · InstaShop analysis

👤 Best for: Owners of diesel-powered machinery or vehicles requiring an additional fuel pre-filtration layer.

🔎 Check before buying: Verify that the inlet and outlet connector sizes match your fuel line diameter.

💰 Is the price good? 50% below the store's listed reference price.

🚚 Worldwide shipping - usually 2–4 weeks with a tracking number. Some sellers offer faster paid shipping.

⭐ Quality & trust: this product does not have enough AliExpress buyer reviews yet. Check the reviews with photos on the product page before buying.

🔒 Secure checkout - payment and purchase happen on AliExpress with Buyer Protection and a refund if the item never arrives / isn't as described.

💡 Before buying - on the product page check reviews with real photos, shipping time to your country, and sizes/specs if relevant.

What AliExpress buyers say

There are not enough AliExpress ratings for this product yet. Check the reviews with photos on the product page before buying.

See reviews on AliExpress →

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🔍 In-depth analysis

This analysis is written with an AI model from the product data (name, category, price, rating and orders), not from a hands-on test. How we choose and score

This product is a coarse diesel fuel filter equipped with an integrated water separator and connector. Designed for automotive and machinery diesel systems, it functions as a primary filtration line to capture larger particulate debris and separate suspended water before fuel reaches delicate high-pressure injection pumps and injectors. Water and sediment contamination are notorious causes of catastrophic diesel fuel system failure, making dedicated separation a vital protective measure.

Currently offered at a substantial discount compared to its baseline list price, the assembly appeals to DIY mechanics and equipment operators seeking affordable filtration hardware. While the early buyer feedback is distinctly positive with a high average rating, the total order volume remains relatively modest. Prospective buyers should approach the listing with realistic expectations, focusing on verifying dimensions and thread specs rather than relying solely on the low initial purchase barrier.

✅ Pros

Combines coarse particle filtration with water separation and included connectors in a single assembly.
Early customer satisfaction is high, evidenced by an impressive average buyer rating.
Competitively positioned at its current price point relative to brand-name fuel conditioning systems.

Cons and cautions

Limited total order count means there is little long-term durability data available from the community.
Critical engineering specifications like flow capacity, bowl material, and micron rating require manual confirmation from the seller.

From our data

Few written reviews (6), so the rating rests on a small sample
2 variants on one listing: price and spec change with the option you pick

Who it's for: Diesel vehicle owners, boat operators, or generator mechanics looking for a cost-effective coarse fuel pre-filter and water separator assembly, who are comfortable measuring and fitting fuel lines themselves.

Who should skip it: Gasoline vehicle owners, or buyers who need a certified, plug-and-play original equipment manufacturer (OEM) replacement part without having to confirm custom fittings or clearances.

🔎 Check before you buy

Confirm the exact inlet and outlet thread sizes and connector barb diameters with the seller to ensure your fuel lines fit securely.
Ask the seller for the filtration rating (micron level) and maximum rated fuel flow rate to ensure it won't starve your engine under load.
Verify the replacement filter element part number so you know whether replacement cartridges are readily available and affordable.
Check overall assembly height, width, and mounting bracket orientation to ensure adequate clearance in your engine bay.

💰 Value verdict: At its current discounted price level, this filter assembly provides very reasonable value for hobbyists or secondary equipment installations. The high initial feedback score is promising, though the limited order volume means you should verify all thread and sizing specifications with the seller before committing.

💡 Tips

Always coat the O-rings with clean diesel fuel or motor oil during installation to prevent pinching and ensure an airtight seal.
Inspect the assembly thoroughly under safe pressure testing prior to driving to ensure there are no air leaks, which can stall diesel engines.

Questions about this product

Can I use this filter unit for gasoline or ethanol blends?

No. This unit is specifically listed as a coarse diesel filter. Diesel fuel systems and components have different chemical compatibility and flow requirements than gasoline systems.

Does this package include mounting brackets and replacement gaskets?

The product title explicitly notes a connector and filter assembly, but it does not specify mounting hardware. Message the seller before purchasing to confirm everything included in the box.

How often does the water separator bowl need to be drained?

Drain intervals depend on the quality of fuel you purchase. It is best practice to visually inspect the water trap during routine oil changes or after filling up at unfamiliar fuel stations, draining via the bottom valve whenever water accumulates.

❓ Questions & Answers

Does it ship to my country?

Yes. The item ships worldwide via AliExpress, usually within 2–4 weeks, with a tracking number.

Are there customs or taxes?

Import duty/VAT depends on your country's rules and the order value. Any local charges are set by your customs authority, not by InstaShop.

How do I return an item if something is wrong?

Purchases are made on AliExpress with Buyer Protection - you can open a dispute and get a refund if the item never arrives or is not as described, typically within 15 days of delivery.

Is the price final?

The price shown is the product price on AliExpress. Shipping and any local import taxes (if applicable in your country) are separate.