Parker PFF4245R2-04 Gm Filter Housing Assembly Aug 13, 2018Needed to replace my filter housing for my 2003 gmc 2500 hd LB7 Duramax. Called GMC dealer for parts quote. Was shocked to hear the amount they were charging for this exact same part. Needless to say this worked out very well as this is the original equipment that came on this LB7. So Thank you for a great experience4.5/5(17)Price: $142 DMAX Fuel Filter Head Assembly (LLY-LMM) | DMAX Store DmaxStore Fuel Filter Head Assembly. Direct fit for 2004.5-2010 LLY/LBZ/LMM Duramax. Part# DMAX619 . This Part is a direct fit for 2004.5-2010 Chevy/GMC 2500HD Duramax 6.6. It can be made to work with 2001-2004 model years. This is an updated direct fit filter head for your 2004.5 - 2010 Duramax.