Price Match Guarantee
i
How to Submit a Price Match Request
If you find a lower eligible price on an identical OEM part from a qualifying retailer, just navigate to the product page on our website. Right next to the price, you’ll see a “Price Match” button. Click that button to open our Price Match Request Form. Fill out the form and include a link to the competitor’s product, along with the other required details. Our team will review the request based on our Price Match Policy and determine whether it qualifies. If it does, we’ll approve the match; if not, we’ll explain why it didn’t meet the criteria. You’ll hear from us via email once the review is complete. Read More about our Price Match Policy
Zoom
Add To Profile
Have a question?
Product Description
Ensure cleaner, better-tasting water with the genuine Whirlpool Refrigerator Inline Water Filter – 4378411RB. Designed to reduce impurities and inhibit lime scale buildup, this inline filter improves the taste and quality of your drinking water. It’s ideal for use with refrigerators, ice makers, or water dispensers, delivering consistent performance through advanced charcoal filtration technology. Installation is quick and easy—no tools required.
Advanced Filtration
Certified to reduce impurities for cleaner water.
Lead Reduction
Removes invisible, tasteless, and odorless lead particles for safer drinking water.
Chlorine Reduction
Reduces chloramines and chlorine to improve taste and quality.
BPA-Free
Ensures healthier water without harmful chemicals.
Whirlpool 4378411RB – Dependable Inline Water Filtration
Fresh water, simple setup.
The Whirlpool Inline Water Filter – 4378411RB uses activated charcoal filtration to effectively reduce impurities and odors while minimizing lime scale buildup in your appliances. Enjoy high-quality water directly from your refrigerator or dispenser with confidence.
Effectively Reduces:
- Chlorine & Odor: Enhances taste and freshness of your water.
- Lime Scale: Prevents mineral buildup in refrigerator lines and ice makers.
- Impurities & Particulates: Improves water clarity and quality.
Quick & Easy Installation
Installing your Whirlpool 4378411RB Inline Water Filter is simple. Connect the filter directly to the water line leading to your refrigerator or ice maker. For optimal results, replace the filter every six months to maintain clear, fresh-tasting water and efficient appliance performance.
Technical Specifications of Whirlpool Refrigerator Inline Water Filter – 4378411RB
| Model Number | 4378411RB |
|---|---|
| Brand | Whirlpool |
| Material | Charcoal |
| Product Dimensions | 30" D x 8" W x 6" H |
| Item Weight | 0.35 Kilograms (12.3 ounces) |
| External Testing Certification | NSF/ANSI 42 |
| Product Benefits | Reduces impurities and inhibits lime scale buildup |
| Set Name | 4378411RB |
| UPC | 883049160474 |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Color | White |
| Certification | NSF Certified |
| Water Consumption | 0.5 Gallons per Hour |
| Included Components | Inline Refrigerator Water Filter |
| Part Number | 4378411RB |
| Item Model Number | 4378411RB |
| Batteries Included? | No |
| Batteries Required? | No |
Common Problems & Symptoms for Whirlpool Refrigerator Inline Water Filter – 4378411RB
🔍 Common Causes of Filter Issues
- Filter overdue for replacement: After six months, performance decreases as charcoal media becomes saturated.
- Improper installation: Loose or cross-threaded connections may lead to reduced flow or leaks.
- Non-genuine filters: Off-brand alternatives may not fit properly, reducing effectiveness.
- High mineral content: Hard water can clog filters more quickly and affect taste.
Installation Guide for Whirlpool Refrigerator Inline Water Filter – 4378411RB
⚠️ Signs It’s Time to Replace
- Slower water flow: Water from the dispenser or ice maker slows down noticeably.
- Unpleasant taste or odor: Chlorine or musty taste returns to the water.
- Scale buildup: Visible residue forms in ice trays or water lines.
- Filter age: More than six months of continuous use since installation.
🛠️ Installation Guide
- Turn off the water supply: Locate and close the valve connected to your refrigerator water line.
- Disconnect the tubing: Remove the existing water line connection where the new filter will be installed.
- Attach the Whirlpool 4378411RB: Insert the tubing into both ends of the inline filter and secure tightly.
- Check water flow direction: Follow the arrow on the filter body to ensure correct orientation.
- Turn on the water supply: Slowly open the valve and check for any leaks.
- Flush the filter: Run water for approximately 3–5 minutes to remove air and any loose carbon particles.
Tip: For best results, replace your Whirlpool 4378411RB filter every six months or when water flow or taste changes noticeably.
Return Policy
- Hassle-free returns within 30 days of purchase.
- Items must be unused and in original packaging.
- Quick refunds issued after inspection of the returned product.
- Free replacement offered for defective or damaged items.
- Dedicated support team ensures a smooth and transparent return process.
Compatible Models
Locate your appliance’s model number on the manufacturer’s label and use it to check part-model compatibility before ordering.
Where to find my model number?
| Brand | Model Number | Model Description | Exploded View |
|---|---|---|---|
No Models Found
The Whirlpool Refrigerator Inline Water Filter – 4378411RB is the correct replacement for the following model numbers
Ensure cleaner, better-tasting water with the genuine Whirlpool Refrigerator Inline Water Filter – 4378411RB. Designed to reduce impurities and inhibit lime scale buildup, this inline filter improves the taste and quality of your drinking water. It’s ideal for use with refrigerators, ice makers, or water dispensers, delivering consistent performance through advanced charcoal filtration technology. Installation is quick and easy—no tools required.
Advanced Filtration
Certified to reduce impurities for cleaner water.
Lead Reduction
Removes invisible, tasteless, and odorless lead particles for safer drinking water.
Chlorine Reduction
Reduces chloramines and chlorine to improve taste and quality.
BPA-Free
Ensures healthier water without harmful chemicals.
Whirlpool 4378411RB – Dependable Inline Water Filtration
Fresh water, simple setup.
The Whirlpool Inline Water Filter – 4378411RB uses activated charcoal filtration to effectively reduce impurities and odors while minimizing lime scale buildup in your appliances. Enjoy high-quality water directly from your refrigerator or dispenser with confidence.
Effectively Reduces:
- Chlorine & Odor: Enhances taste and freshness of your water.
- Lime Scale: Prevents mineral buildup in refrigerator lines and ice makers.
- Impurities & Particulates: Improves water clarity and quality.
Quick & Easy Installation
Installing your Whirlpool 4378411RB Inline Water Filter is simple. Connect the filter directly to the water line leading to your refrigerator or ice maker. For optimal results, replace the filter every six months to maintain clear, fresh-tasting water and efficient appliance performance.
Frequently Bought Together
Customer Reviews
Frequently Asked Questions
Quick answers for your replacement part needs
Where can I find genuine replacement parts for my appliance?
Finding genuine replacement parts for your appliances has never been easier! We offer authentic parts for over 250 brands, including LG, Samsung, Whirlpool, Kenmore, Dyson, Bosch, and Liebherr. Simply enter your appliance's model number on our website, and explore our extensive selection of compatible parts designed to restore your appliance's peak performance and reliability.
What type of appliance parts and accessories are available for purchase?
Are your replacement parts compatible with all models?
What if I can’t find the appliance part I need?
How can I track my order for appliance parts online?
How long will it take to receive my replacement parts order?
Can I return appliance parts if they are not compatible with my model?
How can I update my shipping address after placing an order?
How can I get in touch with customer support?
Couldn’t find the answer to your question?
Your satisfaction matters. Let us know how we can assist with your repair journey.
Wishlist
You currently have 0 items in your Wishlist
Compare
Your Cart ( 0 items)
