Dieselsite High Pressure Oil Crossover Line category_n-o-s-used-ford-oe-parts-seat-parts 1979 - 1986 GMC -

1979 - 1986 GMC - K1500 Suburban - 4 Door Sport Utility

bringing your doors back to proper alignment and operation

this harness is a critical service item when diagnosing misfires

and longer-lasting door performance—built to withstand anything you throw at it

Dieselsite High Pressure Oil Crossover Line category_n-o-s-used-ford-oe-parts-seat-parts 1979 - 1986 GMC -DieselSite High Pressure Oil Crossover Line 7. 3L Powerstroke Improve idle quality, balance injector performance, and stabilize high pressure oil delivery with the DieselSite High Pressure Oil Crossover Line. This upgrade connects the left and right high pressure oil rails, allowing the PCM to monitor and balance pressure across both rails instead of relying on a single side. By equalizing oil pressure and reducing pressure spikes, this crossover line