2004.5-2005 6.6L LLY GM Duramax
Differential Covers | Transmission Covers

Nothing finishes off the look for your Heavy Duty 6.6L GM Duramax like an aftermarket differential cover.  In addition to great looks, the large fins and increased fluid capacity of these covers helps keep your differentials cool even under the toughest conditions.  Couple this with a magnetic drain plug, dipstick, and an eyeglass to see the fluid, and you've got looks AND function!  And to keep your Allison transmission running as COOL as possible, don't forget to add an upgraded transmission pan to prevent coking the oil.

As always, if you have any questions about which cover or pan are right for you and your truck, do not hesitate to give us a call or send an e-mail to [email protected] and we would be happy to assist.

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AFE 46-00001 Differential Cover Sight Glass
AFE-46-00001
Regular Price: $34.95
DPP Sale Price: $31.46
AFE 46-00002 Deep Reach Magnetic Fill Plug
AFE-46-00002
Regular Price: $29.95
DPP Sale Price: $26.96
AFE Power Allison 1000 Transmission Pan (Raw Finish) 01-14 GM 6.6L LML Duramax
AFE-46-70070
Regular Price: $275.00
On Sale Now: $247.50
2001-2014 6.6L GM Duramax
AFE  Allison 1000 Transmission Pan 01-09 6.6L
AFE-46-70072
Regular Price: $325.00
On Sale Now: $292.50
2001-2014 6.6L GM Duramax
AFE Power Rear Differential Cover AA 14-11.5
AFE-
Regular Price: $225.00
On Sale Now: $202.50
 
2001-2014 6.6L GM Duramax
2003-2014 5.9L / 6.7L Dodge Cummins
ATS Transmission Pan +5 Qts. 01+ 6.6L Duramax Allison Transmission
ATS-3019004248
DPP Price: $337.25
2001-2015 6.6L GM Duramax
Allison LCT 1000 / 2000 Automatic Transmission
ATS Rear Differential Cover 03+ Dodge | 01+ GM | 11.5-Inch
ATS-4029156248
DPP Price: $258.88
2003-2015 Dodge Ram 2500 / 3500
2001-2015 GM 2500HD / 3500
BD-Power Rear Differential Cover AA 14-11.5 03-15 Ram / 01-15 GM
BD-1061825
DPP Price: $247.00
 
2001-2015 6.6L GM Duramax
2003-2015 5.9L / 6.7L Dodge Cummins
Mag-Hytec Allison 1000 Transmission Pan 01-09 6.6L
MH-A1000
DPP Price: $275.50
 
2001-2014 6.6L GM Duramax
Allison 1000 Automatic Transmission
Mag-Hytec Front Differential Cover AA 14-9.5 01-09 6.6L LB7/LLY\LBZ/LMM Duramax
MH-#GM 14-9.5
DPP Price: $251.75
2001-2015 6.6L GM Duramax
Mag-Hytec Rear Differential Cover AA 14-11.5 01-09 6.6L LB7/LLY\LBZ/LMM Duramax
MH-AA14-11.5GM
DPP Price: $275.50
 
2001-15 GM 2500HD & 3500
PPE Heavy Duty DEEP Aluminum Transmission Pan 01-14 Duramax
PPE-
DPP Price: $263.99
 
2001-2014 6.6L GM Duramax