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PU 2500HD/3500 2001-2013 GM Polished Differential Cover

PU 2500HD/3500 2001-2013 GM Polished Differential Cover

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Availability: In stock


Quick Overview

AAM 11.5 inch 14 Bolt Rear Differential Cover


The PML differential covers are a welcome alternative for those who are looking for the added benefits of increased cooling and a magnetic drain plug, but at a lower cost than other brands. Cast in unfinished aluminum, and the additional cooling fins, PML differential covers provide exceptional cooling over stock covers. All covers have a flat boss that can be drilled and tapped for the use of a temperature gauge sender.

PML designed this differential cover for the American Axle rear end on Duramax trucks with the Allison transmission. The cover has space at the top and includes longer bolts for the brake bracket. The differential cover has oil fill/level check hole and a drain hole with a magnetic plug to facilitate oil changes. If you have an oversized spare tire, you may need to move the tire towards the rear. There is tube that holds the spare tire in place and the position can be easily adjusted.

- 2001-2013 Chevy/GMC Silverado/Sierra 2500HD with Duramax diesel
- 2007 Chevy/GMC Silverado/Sierra 2500HD Classic with Duramax diesel
- 2001-2006 Chevy/GMC Silverado/Sierra 3500 with 8.1 V8 gas engine or Duramax diesel
- 2007 Chevy/GMC Silverado/Sierra 3500 Classic with 8.1 V8 gas engine or Duramax diesel
- 2007-2013 Chevy/GMC Silverado/Sierra 3500HD with Duramax diesel
- Some 2007-2013 Chevy/GMC Silverado/Sierra 3500HD with 6.0 V8 gas engine (some have the American Axle 10.5 inch differential)

- Increased oil capacity for cooler temperatures
- Sand-cast aluminum with raised fins
- 3/16" thick wall construction to add strength to differential housing
- 3/8" thick gasket flange will not bend when bolts are tightened
- Machined gasket surface for a secure seal using RTV or factory reusable gasket
- Undrilled boss for a temperature sensor
- Oil changes without removing the cover
- All hardware provided, including magnetic drain plug

- Volume: 1 quart over stock.
- The PML cover is 1 inch deeper than the stock cover.

Additional Information

Item Number pml_9511p
Manufacturer Part Number 9511-P
MPN(UPC) 887753002686
Manufacturer PML
Make Chevy, GMC
Model 2500 Pickup, 3/4 ton Pickup, C20 Pickup, C2500 Pickup, K20 Pickup, K2500 Pickup, Silverado 2500, Sierra 2500, 3500 Pickup, 1 ton Pickup, C30 Pickup, C3500 Pickup, K30 Pickup, K3500 Pickup, Silverado 3500, Sierra 3500
Year Spans 2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013
Front/Rear Rear