SKU: 97600941349

21212502 Genuine Mack Exhaust Muffler

$130.47 $144.97
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Description

21212502 Genuine Mack Exhaust MufflerPart details DESCRIPTION Exhaust Muffler MP8 DPF CONDITION Used BRAND Mack PART NUMBER 21212502 OTHER OEM PART NUMBERS THAT WILL WORK 22806823 Function of this part The aftertreatment system treats exhaust gases after they leave the engine using components such as the DOC, DPF, and SCR catalyst. It controls soot and NOx emissions by trapping particulates and converting harmful gases into less harmful compounds. Why this part matters These components

Part details

DESCRIPTION Exhaust Muffler MP8 DPF
CONDITION Used
BRAND Mack
PART NUMBER 21212502
OTHER OEM PART NUMBERS THAT WILL WORK 22806823

Function of this part

The aftertreatment system treats exhaust gases after they leave the engine using components such as the DOC, DPF, and SCR catalyst. It controls soot and NOx emissions by trapping particulates and converting harmful gases into less harmful compounds.

Why this part matters

These components are central to emissions compliance on modern diesel trucks. Problems in the aftertreatment system can cause frequent regens, power derates, and down-time until the fault is corrected.

About the brand

Mack is known for building tough trucks and components for construction, vocational, and highway fleets that need reliable performance day after day.

Fitment & usage

Used OEM parts are a smart choice for controlling repair costs while still using original-equipment components. Always match the OEM part number(s) listed to your existing part, and consult your service manual, dealer, or technician if you are unsure about fitment.

Note: Because this is a used component, normal signs of wear such as scratches, discoloration, or light surface corrosion may be present. Refer to the product photos and information on Second Truck Parts for the best representation of the part you will receive.

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: 97600941349

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4.5 ★★★★★
Based on 1074 reviews
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Product Reviews
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Mt Life
Phoenix, US
★★★★★ 5
Very soft and the matching backing is nice
The blanket is great quality with no smells. It’s thick and cozy. We like the matching backing. Unfortunately, I should have measured because this barely covers a queen bed despite the heading product description “queen size”. I still haven’t heard back whether they use harsh chemicals when processing. Overall, it feels great to support companies that use natural products with (hopefully) low to no harmful chemicals.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2023
R
Verified Purchase
Rico
Phoenix, US
★★★★★ 5
Works for Sherpa, and heavy rugs
This worked on my 2 Sherpa jackets and a heavy furred rug. I tested it on my old Sherpa jacket that had the furs pretty much flat after years. I used this on it which took about 3 hrs to do and it feels brand new. I was so shocked that I used it on my old rug that had about an inch length in fur. The fur was all tangled so it had little stalks sticking out. After about 6-7 hrs, the rug was straight up rejuvenated felt brand new. I’m was very pleased with this product. Now, the real question is it worth it? I’ll just tell my opinion from my experience and let you decide for yourself. The product itself feels sturdy with a wooden base. It’s around 6 and a half inches so not very big. (This is one of the reasons why the rug too so long.)The metal brushed was surprisingly durable. I was applying a good amount of force when combing my rug and there were no bending. For 14 dollars and some elbow grease, I got two new jackets and a rug. The brush didn’t break so I can just keep using this to maintain. In my books, I got my moneys worth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 26, 2024
A
Verified Purchase
Audra
Waukegan, US
★★★★★ 5
Great for shoes
This brush works well for fluffing up the inside of those sheepskin clog shoes we all own.
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Reviewed in the United States on January 31, 2026
S
Verified Purchase
Smile67
Birmingham, US
★★★★★ 5
It Works!
A small size but fits my hand and really does the job well. I have two sherpa blankets that the fibers are matted down from the dryer (should have air dryed) and this brush glides through the fibers, does require some effort but well worth it as I get instant results of the before and after. So far, brush is intact and handling the job, one larger and one smaller blanket to go and both sides. Very happy with purchase!
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Reviewed in the United States on January 24, 2024
B
Verified Purchase
Ben Serrette
Carnegie, US
★★★★★ 5
LL Bean slippers
Larger than it looks, but still small enough to fit into my LL Bean Wicked Good Slippers. Let's me comb out the shearling to keep it soft and pretty.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026

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