10 0 2001 Mack E7 E-Tech Valve Cover Part # 337GB537 $125 USD (GOOD USED) 2001 OEM Mack ETEC E7-300 4MR2780 Diesel Engine Valve Cover 337GB537 For Sale, HP: 300, Part # 337GB537, Family: 1MKXH11.9V60, Other Part # 11GBA41558P1, Stock # 6240 | Tested ... ConditionUsedPart Number337GB537Stock Number6240 MLS Number12410923CategoryValve Covers Last Updated10/31/2023 LocationOpa Locka, FL, US Sold ByCA Truck Parts Inc. (305) 688-___ SHOWNUMBERCall Seller Email Seller Save More Info