Non-keratinized squamous epithelial cells. 1  They are formed in the farthest part of urethra or vagina. 2  They have small nuclei and are larger than transitional cells. 3  They have one or more flat border. 4  They can be formed in any shape but are generally found to be round.
The average cost for an egr valve replacement is between $160 to $242. Labor costs are estimated between $74 to $94 while parts are priced between $86 to $148. Get a personalized estimate based on your location and specific car. Estimate does not include taxes and fees.
To install: 1  Install the EGR valve, along with a new gasket, on the intake manifold, then install and tighten the mounting bolts. 2  Connect the EGR valve-to-exhaust manifold tube to the valve, then tighten the tube nut to 25-35 ft. lbs. ( 3 34-47 Nm). 4  Connect the vacuum hose to the EGR valve.