SKU: 12779554166

F-1234C FreshenOPT Audi Premium Cabin Air Filter [4F0819439A] (SETS)

Sale price$31.50 Regular price$35.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

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For Your Every Summer RSVP, with Code: SUMMER15

Description

F-1234C FreshenOPT Audi Premium Cabin Air Filter [4F0819439A] (SETS)Available in 1, 2, or 3 pack choose from the dropdown to get the best value! Overview: Dimension: 29. 5 x 9. 8 x 3 cm Item model number: F 1234C OE#: 4F0819439A ; 4F0898438C ; 4F0898438A ; 4F0 819 439 Premium three layer design filter with efficient purification We suggest changing the cabin air filter in every 10,000km or 1 year Features: Advanced 3 Layer Filtration Captures pollen, dust, vehicle emissions, PM2. 5 particles, pet dander, mold spores,

📦 Available in 1, 2, or 3-pack – choose from the dropdown to get the best value!

Overview:

  • Dimension: 29.5 x 9.8 x 3 cm

  • Item model number: F-1234C

  • OE#: 4F0819439A ; 4F0898438C ; 4F0898438A ; 4F0-819-439

  • Premium three-layer design filter with efficient purification

  • We suggest changing the cabin air filter in every 10,000km or 1 year

Features:

  • Advanced 3-Layer Filtration – Captures pollen, dust, vehicle emissions, PM2.5 particles, pet dander, mold spores, and other airborne particles—while maintaining efficient airflow for optimal HVAC performance.

  •  Dual Activated Carbon Layers – Two enhanced carbon layers help neutralize odors from smoke, pets, and other sources, supporting a fresher cabin environment.

  • Anti-Mold & Bacteria-Resistant Coating – Specialized surface treatment inhibits the growth of mold and odor-causing bacteria, helping preserve air quality.

  • OEM-Quality Fit – Engineered to meet OE specifications for a hassle-free installation, reliable seal, and proper fit. 

  • Durable Construction – Rigid frame design resists warping and deformation, ensuring consistent performance and long-term reliability.

Cross-reference:

  • CF10208 ; XC25760C ; CUK3023-2 ; NAPA 9375 ; C25760 ; CAF1841C ; WIX 49375

11-06

AUDI

A6

V6-3.2L

11-09

AUDI

A6 QUATTRO

V6-3.0L

08-05

AUDI

A6 QUATTRO

V6-3.2L

11-05

AUDI

A6 QUATTRO

V8-4.2L

12-10

AUDI

R8

V10-5.2L

15-14

AUDI

R8

V10-5.2L

12-08

AUDI

R8

V8-4.2L

15-14

AUDI

R8

V8-4.2L

11-7

AUDI

S6

V10-5.2L

🔍 Not sure about compatibility?

We’ve got you covered. Message us online with your vehicle year / make / model, and our team will help confirm the correct filter.

🏪 Prefer in-store assistance?

If you’d rather not purchase online or want extra peace of mind, visit our store.
Our experienced staff can help you match, verify, and choose the right filter in person.
📍 FreshenOPT Auto Parts, Unit 14–85 Ferrier St, Markham, ON L3R 2Y9

🔄 Easy exchange if needed

Ordered the wrong filter? We’ve got you covered.
As long as the item is unopened, you can exchange it in-store quickly and easily, or email our support team — we’ll help verify compatibility and take care of the exchange as quickly as possible.

🎁 Extra perks & surprises

Both online and in-store orders may include pop-up offers, surprise gifts, or exclusive bonuses — don’t forget to check at checkout.

Clean air should come with confidence.
That’s the FreshenOPT way.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 12779554166

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4.8 ★★★★★
Based on 21 reviews
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Product Reviews
N
Verified Purchase
Nurse Jesica
Battle Creek, US
★★★★★ 5
My Heels Were in Bad Shape. Like… Really Bad
Color: Gray
These moisturizing heel socks with the gel cushions were honestly a small miracle for me. After recovering from cancer treatments, my skin became extremely dry everywhere, but my heels were the worst. They cracked so deeply they looked like fissures and were even bleeding. I tried lotions and bandages repeatedly with very little progress. A friend suggested I treat my heel like it might have a fungal component, so I applied Lotrimin cream, put these heel socks on, and hoped for the best. Within three days, my heels were fully healed. I completed a 7-day routine, and my feet have never been softer. The silicone gel cushion is comfortable, soothing, and stays in place. I loved it so much that I still treat myself about once a week, even though I really don’t need to anymore. They are also washable. I hand-washed mine in the sink and let them air dry, and they came out looking brand new. If your heels are cracked, painful, or need serious care, I highly recommend these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2026
B
Verified Purchase
Becky
Lexington, US
★★★★★ 5
Work well on hubby's heals
Color: Gray
Dr recommended these for hubby's dry cracked heals
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
M
Verified Purchase
Misha
Alexandria, US
★★★★★ 3
Ehh. Not for me.
Color: Gray
Foot slides when walking in them. The fit was tighter than lead to believe. It did hold the moisture in but the silicone patch is small
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026
S
Verified Purchase
Secret Angel
Louisville, US
★★★★★ 5
Transformative for Dry, Cracked Heels!
Color: Original Grey
I recently purchased Dr. Frederick's Original Moisturizing Heel Socks, and they have truly transformed the condition of my feet! I can’t recommend them highly enough. Effective Moisturization: These socks are infused with moisturizing agents that work wonders. After just a few uses, I noticed a significant reduction in dryness and cracking on my heels. My feet feel softer and smoother, and I love that I can wake up to beautifully moisturized skin. Comfortable Fit: The socks are incredibly comfortable to wear, with a snug yet gentle fit. I appreciate that they don’t feel restrictive, allowing me to walk around my home while wearing them without any discomfort. They are also lightweight, making them easy to slip on before bed. User-Friendly: They are super easy to use—just wear them overnight, and let the socks do their magic. I love the simplicity of incorporating them into my nighttime routine. Durable Quality: The quality of the socks is impressive. They wash well and have maintained their shape and effectiveness after multiple uses. I feel confident that they will last a long time. Final Thoughts: If you're struggling with dry, cracked heels, I highly recommend Dr. Frederick's Original Moisturizing Heel Socks. They are a fantastic investment in foot care and have made a noticeable difference in the health of my skin. These socks have become a must-have in my self-care routine!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 4, 2024
D
Verified Purchase
Donna
Dallas, US
★★★★★ 5
These worked for me!
Color: Original Grey
They worked great. I bought these for cracked sore heels. It took 2-3 weeks but my heels no longer hurt and the cracks have closed and look more like an indention than a crack now. They feel so much better, but I'll probably wear them another week just to be sure they stay healed. They look and feel like regular socks from the outside but only cover the heel with the toe open. Not think but not thick, again like regular socks. They would probably be slippery on a smooth surface the same as socks. The inside feels like rubber or something smooth at the heel. I have washed them once each pair and accidentally dried one pair in the dryer. They still seem to feel the same so I think they're fine. They're pretty inexpensive and had different colors and sizes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026

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