View our Specials! Coupon Code: SaveIn2026
0 Reviews
This new Coolant Reservoir (Degas) Cap functions like a factory cap, but features custom Sinister Diesel looks. The cap fits OEM or Sinister Diesel Coolant Reservoir for the 2001-2016 GM Duramax. It is made from CNC machined, solid billet T6-6061 aluminum with an interior pressure relief system, so it will continue to function even in case of a gasket failure. Available in gray, this cap looks as good as it works!., Features:Cap is rated for 15 PSI, Available in Anodized Sinister Gray, CNC Machined from T6-6061 Billet Aluminum, Etched Sinister Diesel Logo, Replacement for failure-prone factory cap, Fits 2001-2016 GM Duramax Coolant Reservoirs;Includes:(1) Sinister Diesel Coolant Reservoir Cap.
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2001 - 2005 | Chevrolet | Silverado 2500 HD | Base | ||
| 2001 - 2006 | Chevrolet | Silverado 2500 HD | LS | ||
| 2001 - 2016 | Chevrolet | Silverado 2500 HD | LT | ||
| 2004 - 2016 | Chevrolet | Silverado 2500 HD | WT | ||
| 2007 - 2016 | Chevrolet | Silverado 2500 HD | LTZ | ||
| 2015 - 2016 | Chevrolet | Silverado 2500 HD | High Country | ||
| 2001 - 2005 | Chevrolet | Silverado 3500 | Base | ||
| 2001 - 2006 | Chevrolet | Silverado 3500 | LS | ||
| 2001 - 2006 | Chevrolet | Silverado 3500 | LT | ||
| 2004 - 2004 | Chevrolet | Silverado 3500 | WT | ||
| 2006 - 2006 | Chevrolet | Silverado 3500 | WT | ||
| 2007 - 2016 | Chevrolet | Silverado 3500 HD | LT | ||
| 2007 - 2016 | Chevrolet | Silverado 3500 HD | LTZ | ||
| 2007 - 2016 | Chevrolet | Silverado 3500 HD | WT | ||
| 2015 - 2016 | Chevrolet | Silverado 3500 HD | High Country | ||
| 2001 - 2016 | GMC | Sierra 2500 HD | SLT | ||
| 2001 - 2016 | GMC | Sierra 2500 HD | SLE | ||
| 2001 - 2002 | GMC | Sierra 2500 HD | SL | ||
| 2002 - 2005 | GMC | Sierra 2500 HD | Base | ||
| 2003 - 2014 | GMC | Sierra 2500 HD | WT | ||
| 2006 - 2006 | GMC | Sierra 2500 HD | SL | ||
| 2011 - 2016 | GMC | Sierra 2500 HD | Denali | ||
| 2015 - 2016 | GMC | Sierra 2500 HD | Base | ||
| 2007 - 2007 | GMC | Sierra 2500 HD Classic | SL | ||
| 2007 - 2007 | GMC | Sierra 2500 HD Classic | SLE | ||
| 2007 - 2007 | GMC | Sierra 2500 HD Classic | SLT | ||
| 2007 - 2007 | GMC | Sierra 2500 HD Classic | WT | ||
| 2001 - 2002 | GMC | Sierra 3500 | SL | ||
| 2001 - 2006 | GMC | Sierra 3500 | SLE | ||
| 2001 - 2006 | GMC | Sierra 3500 | SLT | ||
| 2002 - 2005 | GMC | Sierra 3500 | Base | ||
| 2004 - 2006 | GMC | Sierra 3500 | WT | ||
| 2006 - 2006 | GMC | Sierra 3500 | SL | ||
| 2007 - 2007 | GMC | Sierra 3500 Classic | SL | ||
| 2007 - 2007 | GMC | Sierra 3500 Classic | SLE | ||
| 2007 - 2007 | GMC | Sierra 3500 Classic | SLT | ||
| 2007 - 2007 | GMC | Sierra 3500 Classic | WT | ||
| 2007 - 2014 | GMC | Sierra 3500 HD | WT | ||
| 2007 - 2016 | GMC | Sierra 3500 HD | SLT | ||
| 2007 - 2016 | GMC | Sierra 3500 HD | SLE | ||
| 2011 - 2016 | GMC | Sierra 3500 HD | Denali | ||
| 2015 - 2016 | GMC | Sierra 3500 HD | Base |
WARNING: Cancer & Reproductive Harm www.p65warnings.ca.gov IN STOCK ACL 8B663H-001ACL Race Series Rod Bearings ACL Chevrolet V8 305-350-400 Race Series Conrod Rod Bearing Set $99.48
|
 IN STOCK King Engine Bearings MB5013XPSTDXKing Engine Bearings Performance Main Bearings King Engine Bearings Chevy LS1/LS6/LS3 Performance Main Bearing Set - Size STDX $169.71
|
 IN STOCK Victor Reinz JV5158Victor Reinz Timing Cover Gaskets MAHLE Original Buick Allure 08 Timing Cover Set $70.10
|
IN STOCK Clevite CB743HNDClevite Con Rod Bearing Set Clevite GMC Pass & Trk 348 366 6.0L 396 402 409 427 7.0L 454 7.4L 502 Con Rod Bearing Set $42.38
|
 IN STOCK Clevite CB743HXNDClevite Con Rod Bearing Set Clevite CHEV V8 396 427 454 Eng 1965-93 Con Rod Bearing Set $44.30
|
 IN STOCK - LOW ACL 8B663HXC-STDACL Rod Bearings ACL Chevrolet V8 305-350-400 Race Series Standard Size Rod Bearing Set - CT-1 Coated $153.05
|
 IN STOCK Clevite SH2125SClevite Camshaft Bearing Set Clevite 131.00 x 158.00 Mack MP8 / Volvo MD13 Camshaft Bearing Set $64.01
|
$62.28
|
For more information on Sinister Diesel part number SD-6.6DC01-GRY, you can visit the official Sinister Diesel website.
