SKU: 53258064708

6.6L Duramax LML CCV Upgrade Kit | GMC/Chevy 2012-2016

Sale price$71.99 Regular price$79.99
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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

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Description

6.6L Duramax LML CCV Upgrade Kit | GMC/Chevy 2012-2016GM Duramax LML CCV Upgrade Kit (20122016) Take control of crankcase pressure and keep your intake system clean with this CCV Upgrade Kit for your 20122016 LML Duramax. The factory crankcase ventilation system is known to dump oily vapor back into the intake, leading to carbon buildup and reduced performance. This upgrade vents blowby properly, eliminates the bulky CCV box, and frees up valuable engine bay spaceall while giving your setup a cleaner,

GM Duramax LML - CCV Upgrade Kit (2012–2016)

Take control of crankcase pressure and keep your intake system clean with this CCV Upgrade Kit for your 2012–2016 LML Duramax. The factory crankcase ventilation system is known to dump oily vapor back into the intake, leading to carbon buildup and reduced performance. This upgrade vents blowby properly, eliminates the bulky CCV box, and frees up valuable engine bay space—all while giving your setup a cleaner, more streamlined look.


Key Features:

  • Vents Blowby Pressure: Helps reduce crankcase pressure buildup for better engine health and performance.
  • Keeps Intake Tract Clean: Prevents oil mist from coating your intercooler and intake piping, preserving airflow and throttle response.
  • Deletes Factory CCV Box: Removes the unsightly OEM crankcase box, opening up room for easier maintenance and upgrades.
  • Streamlined Hose Routing: Simplifies your engine bay with a clean, direct hose setup.
  • Black Anodized Plates: Machined aluminum with a sleek black finish—built to last and look sharp doing it.

Why Upgrade Your CCV System?

On tuned or high-mileage trucks, crankcase pressure can become a serious issue. The factory system recirculates this pressure—along with oil mist—back through your turbo and intercooler. That leads to sludge, reduced efficiency, and long-term reliability problems. This CCV Upgrade Kit fixes the problem at its source, giving your Duramax cleaner airflow and better breathing.


Compatibility:

  • 2012, 2013, 2014, 2015, 2016 GMC Sierra 2500HD/3500HD 6.6L Duramax LML
  • 2012, 2013, 2014, 2015, 2016 Chevy Silverado 2500HD/3500HD 6.6L Duramax LML

Cleaner Look. Cleaner Performance.

This CCV Upgrade Kit is designed for performance, reliability, and ease of install. With anodized hardware and improved routing, it’s a smart upgrade that pays off in both form and function.

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: 53258064708

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4.1 ★★★★★
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KatieMae
Houston, US
★★★★★ 5
Flattering fit
Color: Dark Green, Size: XX-Large
This sweater is thick and stretchy but holds a nice shape, and is flattering on the body. The sleeves are nice and long too, which I really appreciate, being a tall person... the button detail is a great addition. True to size. I haven't washed it yet, and I imagine, based on the kind of woolly knit it is, that this sweater will eventually pill... but for now I'm enjoying being cozy and stylish. The deep green color is almost black green. I LOVE IT.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 2, 2026
G
Verified Purchase
GypsySoul
Massapequa, US
★★★★★ 5
Love it
Color: Dark Green, Size: Small
I got the dark green. Love the sweater and it's warm. I do layer the sweater as well. It is as pictured. Size is perfect to me. I like sweaters to be longer and a bit wider in case it is freezing and I need to layer it. This sweater is perfect for layering. It comes closer to my backside, it is a little wide and not snug, and I like that the sleeves come over my wrists
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
J
Verified Purchase
JB
Lowell, US
★★★★★ 1
Still soft but looks terrible after 1 wash. Save your money
Color: White, Size: Small, Color: White, Size: Small
Update: sweater looked great when I received. After 1 wash it looks terrible. Looks like it’s been washed too many times, material fuzzy and piled. After wearing it once, it snagged and the knit pulled through. I would NOT recommend. I had such high hopes. Save your money. Very nice sweater, especially for the price! I love the details of the buttons on the sleeves. It is SO soft. It’s not super thick as I can see my skin through it when pressing my hand up against fabric. However, it’s not see through when wearing it. It’ll be perfect in cooler weather and perfect in the winter with a coat but won’t cause me to overheat when in a heated environment. I do feel like it runs big. I could have sized down a size. Although I’m not sure if it’ll shrink after a wash or two.
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Reviewed in the United States on September 22, 2025
L
Verified Purchase
Lynn M
New York, US
★★★★★ 3
Disappointed.
Color: Blue, Size: Large, Color: Blue, Size: Large
This sweater is so comfortable and very soft. It fits well in a flattering, oversized way. But after one wash it is pilled everywhere which makes it look old and shabby. It’s at a price point where I feel compelled to return it.
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Reviewed in the United States on January 10, 2026
T
Verified Purchase
TripletMama Heather
Natrona Heights, US
★★★★★ 5
Perfect for casual wear and dressy style
Color: Dark Green, Size: Small
This sweater is soooo soft and the color is so rich. The fit of it is perfect, not too tight and not too baggy, just right and I used the size guide to pick my size. Just for reference, I am 5'3" and 130lbs, 38C bust. It's well made and washes great. I chose to hang dry mine as I typically don't put any of my sweaters in the dryer to dry, just to fluff them. I have this one in two colors, the green and the tan/beige and I would say they are both a true representative of the color shown.
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Reviewed in the United States on November 15, 2025

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