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10001 Merchant Automotive Transfer Case Pump Upgrade - GMC/Chevy 6.6L Duramax 2001-2007

SKU: MA10001
Référence fabricant: 10001
Fabricant: Merchant Automotive
Merchant Automotive designed this Transfer Case Pump Upgrade to improve the performance and the pump rub problems on your 2001-2007 GMC/Chevy 6.6L Duramax truck.

Détails du Produit (cliquez pour afficher)

Référence fabricant 10001
Poids (livres): 1,00 lbs.
Dimensions: 3,00" x 9,00" x 9,00"

Spécifications produits

Attribute name Attribute value
Truck Type/Model Duramax
Brand Merchant Automotive
Type de produit Transfer Case


The Merchant Automotive Transfer Case Pump Upgrade is a perfect replacement which is made to prevent the escalating problem of pump rub on your 2001-2007 GMC/Chevy 6.6L Duramax LB7/LLY/LBZ 2500/3500 truck. Built for increased durability and reliability, Merchant has addressed common failure items in the factory case.

The GMC transfer case uses a gear pump inside the case that is driven off the main shaft, this pump forces oil to the planetary as well as the drive sprocket sleeve. The 5 tabs around the housing fit into the spots in the rear housing are what positions the pump. Over time, the pump can start to wear on the rear housing, which is commonly referred to as pump rub. Each transfer case includes the Merchant Auto pump upgrade to alleviate these issues.


  • Billet transfer case pump housing
  • Upgraded for durability & reliability
  • Blue threadlock
  • Includes transfer case adapter gasket at trans
  • Includes RTV silicone