Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Cometic 01-07 GM 6.6L Duramax Rear Main SealCometic is dedicated to customer satisfaction and provides quality products, delivered on time at a competitive price, designed for each customer's specific application. Cometic is an industry leader in manufacturing processes and committed to pairing the highest possible quality materials with knowledgeable personnel. Cometic is also dedicated to continually improving all areas of its operations through employee development and involvement, as well
Cometic is dedicated to customer satisfaction and provides quality products, delivered on time at a competitive price, designed for each customer's specific application. Cometic is an industry leader in manufacturing processes and committed to pairing the highest possible quality materials with knowledgeable personnel. Cometic is also dedicated to continually improving all areas of its operations through employee development and involvement, as well as continual and comprehensive reviews of customer feedback.
- All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns
- Meets Or Exceeds OEM Quality
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006-2015 | Chevrolet | Express 2500 | Base |
| 2006-2015 | Chevrolet | Express 2500 | LS |
| 2006-2015 | Chevrolet | Express 2500 | LT |
| 2006-2015 | Chevrolet | Express 3500 | Base |
| 2006-2015 | Chevrolet | Express 3500 | LS |
| 2006-2015 | Chevrolet | Express 3500 | LT |
| 2001-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2015-2018 | Chevrolet | Silverado 2500 HD | High Country |
| 2001-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2018 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2018 | Chevrolet | Silverado 2500 HD | LTZ |
| 2003-2018 | Chevrolet | Silverado 2500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2001-2005 | Chevrolet | Silverado 3500 | Base |
| 2001-2006 | Chevrolet | Silverado 3500 | LS |
| 2001-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2015-2018 | Chevrolet | Silverado 3500 HD | High Country |
| 2007-2018 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2018 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2018 | Chevrolet | Silverado 3500 HD | WT |
| 2006-2015 | GMC | Savana 2500 | Base |
| 2007-2015 | GMC | Savana 2500 | LS |
| 2007-2015 | GMC | Savana 2500 | LT |
| 2006-2015 | GMC | Savana 3500 | Base |
| 2006-2015 | GMC | Savana 3500 | LS |
| 2006-2015 | GMC | Savana 3500 | LT |
| 2002-2005,2015-2018 | GMC | Sierra 2500 HD | Base |
| 2011-2018 | GMC | Sierra 2500 HD | Denali |
| 2001-2002,2006 | GMC | Sierra 2500 HD | SL |
| 2001-2018 | GMC | Sierra 2500 HD | SLE |
| 2001-2018 | GMC | Sierra 2500 HD | SLT |
| 2003-2014 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007 | GMC | Sierra 2500 HD Classic | WT |
| 2002-2005 | GMC | Sierra 3500 | Base |
| 2001-2002,2006 | GMC | Sierra 3500 | SL |
| 2001-2006 | GMC | Sierra 3500 | SLE |
| 2001-2006 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | SLT |
| 2007 | GMC | Sierra 3500 Classic | WT |
| 2015-2018 | GMC | Sierra 3500 HD | Base |
| 2011-2018 | GMC | Sierra 3500 HD | Denali |
| 2007-2018 | GMC | Sierra 3500 HD | SLE |
| 2007-2018 | GMC | Sierra 3500 HD | SLT |
| 2007-2014 | GMC | Sierra 3500 HD | WT |
| 2006 | Hummer | H1 | Alpha |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 2082 reviews
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Product Reviews
★★★★★ 5
Good buy
Second time purchasing a variant of this item. Of good quality, no accessories were missing, material is very good, true to colour and does not fade easily, fit exact, hence size up if needed.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Perfect for my son!
Color: Purple, Size: 7 Years, Color: Purple, Size: 7 Years
Loved that the pants were adjustable and it fit my son perfectly and was shipped fast for Halloween! This was cheaper than a Halloween costume but the quality was 10x better than any bulk Halloween costume store !
We did a DIY joker & I absolutely loved how it turned out ! Definitely could use this for a formal event !
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Reviewed in the United States on February 28, 2026
★★★★★ 5
Is a nice formal suit set
The pant was a little bit too long
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Reviewed in the United States on December 26, 2025
★★★★★ 5
Great 4 piece for a wedding!
Color: Black, Size: 12 Years
My so. Is 10 years old but super skinny and super tall. The pants had an adjustable waist which was perfect for me to adjust to his skinny waist. The length was perfect. The material was great and it was well made. The tie was super easy to put on and the vest has an adjustable band on the back. This was perfect for a wedding he was attending. He looked so handsome! Great price too.
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Reviewed in the United States on October 18, 2025
★★★★★ 4
Great suit order well ahead in case need resizing
It great! My son loves suitz , the only reason I took a star is because the pants were past his ankle very short so we ended up have to use other pants. The shirt and vest fitted perfectly!
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Reviewed in the United States on January 22, 2026