Pay in 4 interest-free payments of $13.75 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Hassle-Free Installation: All necessary hardware and gaskets are included for a hassle-free installation
cooler location
Whether your original LML injectors have failed and are in need of replacing
BUILT-IN EXTERNAL FINS - Built-in external fins transfer heat from the fluid to the outside air for maximum cooling
Fleece Billet Coolant Block Off Plate 01-19 6.6L GM Duramax AERO-3030XL Hassle-Free Installation: All necessary hardwareOkay, lets be honest, yes, this part looks awesome, but once installed, you're not likely to see it. That being said, it absolutely serves a purpose by curing the notorious rear block off coolant leak on all Duramax's. The factory cover is known to leak over time, so this unit from Fleece is built thicker than the stock plate and features an integrated o ring for a superior construction that will not leak over time. Direct Replacement for GM Original
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