New 6N4183 Muffler A. Replacement suitable for Caterpillar Equipment

  • New Muffler A. Replacement suitable for Caterpillar Equipment
  • Made to USA Specification

Buy with Confidence: All parts are covered by our warranty

$829.35

4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
6N4183CTP
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Description for 6N4183 Muffler

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This aftermarket Caterpillar 6N4183 Muffler is built to meet U.S. OEM specifications for durability and performance. At Propel Parts, we perform strict quality checks to ensure it fits and functions like your original Caterpillar Muffler.
Direct Replacement: Engineered for a precise fit in Caterpillar equipment.
OEM-Spec Quality: Manufactured to match the performance of your original part.
Tested Reliability: Strict quality checks are performed before shipping.

Specification for 6N4183 Muffler

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Replacement Part Number(s): 6N-4183
Specifications: Aftermarket Part | US OEM Specs.
Shipping: Same Day (Weekdays) | Order by 3pm.
Warranty: Unlimited Mileage | 1 Year Warranty.
Core: No Core Required | No Core Charge.
Weight: 72.00
Condition: New

Exact Fit Guarantee for 6N4183 Muffler

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Looking for a reliable replacement Caterpillar 6N4183 Muffler ? Order with confidence through our Exact Fit Guarantee.
Verified Fit: Before we ship, we check your part against CAT SIS (Caterpillar Service Information System) to confirm it's the correct match for your machine.
Peace of Mind: If it isn't the right fit, we'll contact you with the correct Caterpillar part number before your order goes out.
Exclusive Guarantee: Enroll in our Exact Fit Guarantee at checkout to ensure you get the part you need the first time.
More Information
Models 627B, 992
Dimensions 50.00x14.02x12.01
Customer Reviews
  1. 100%
    perfect service
  2. 100%
    They are great !
  3. 100%
    A Delay Handled the Right Way
    Honestly, if I were in Miami like my shipment was, I wouldn?t have been in a hurry to ship out either. I was frustrated at first ? delays cost me time on the job ? but Propel Parts stepped up.

    Deb, Daniel and the team owned the mistake, kept the communication clear, and graciously refunded my shipping costs without making it a hassle. That kind of accountability is rare these days, and I genuinely appreciated how they handled it.

    Things don?t always go perfectly, but these folks proved they?re more interested in doing right by their customers than just pushing parts out the door. Solid company, solid people.

    ? Jimmy Spong
    Hartco Mobile Welding

    P.S. Incredible quality on the pin as well. I had to do some custom modifying, and let?s just say the case hardening was ? well ? hard. Great Stuff! Thank you.
  4. 100%
    Steven & Propel Parts were a huge help! We were able to place a large order and get it shipped out same day to avoid a line down situation for a customer due to a lost component. The order was even submitted after the 3pm cutoff for same day shipments and we got it the next morning!
  5. 100%
    Having issue running my credit card, Steven was more than helpful to send me a payment link to complete my transaction!
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Frequently Asked Questions

Product

What is the function of the 6N4183 Muffler?

This muffler helps reduce engine noise and directs exhaust gases safely away from the equipment. It also contributes to smoother engine performance and helps maintain cleaner emissions.

How to install this 6N4183?

Please refer to the following instructions to install
1. Start by turning off the equipment and allowing the exhaust system to cool completely. 
2. Remove the old muffler by loosening the clamps and disconnecting the mounting brackets. 
3. Align the new muffler with the exhaust pipe 
4. Secure it with the provided clamps or fasteners, and ensure a tight fit to prevent leaks. 
5. After installation, start the engine to check for proper alignment and performance.
Professional installation is recommended for safety and precision.

Which equipment models are compatible with this muffler?

This part is compatible with a range of heavy-duty machines, including models 627B, 992, and others. Always confirm compatibility using your equipment’s service manual or by matching the part number before purchase. Check your manual or reach out to Propel Parts for help verifying fitment.

Does this muffler meet performance standards?

Yes, this 6N4183 is designed to OEM specifications to ensure reliable performance, proper exhaust flow, and long-lasting durability under tough working conditions.

What materials are used in this muffler?

The muffler is built from corrosion-resistant metals designed to withstand high temperatures and harsh environments, ensuring long service life and dependable operation.

How can I tell if my muffler needs replacement?

Common signs include,
1. Increased noise levels, Visible rust or cracks 
2. Exhaust leaks
3. Reduced engine efficiency 
Replacing a worn muffler can restore proper exhaust function and improve performance.

How can I maintain the muffler after installation?

Do these steps to maintain your 6N4183 in great condition.
1. Perform regular visual inspections, 
2. Keep the exhaust system clean, and 
3. Check for loose connections or buildup. 
4. Ensuring proper maintenance can extend the life of the muffler and maintain engine efficiency.

Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

This 6N4183 Muffler is compatible with the following models:
627B, 992 & more...

Easy Returns

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Warranty 

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.

Same Day Shipping

Orders placed weekdays, by 3pm ET, ship out same day.

United States & Canada

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International Shipping

We have served customers in over 90 countries. Click Check Delivery Time .

Tracking Number

Tracking will be emailed within 24-48 hours of your order.