aFe Differential Cover Oil Level Sight Glass (46-00001) 1663 it's hard to find a

it's hard to find a more powerful

Includes high performance 200-cell HJS Sport Catalytic Converters for improved flow and exhaust sound (complies with most emissions regulations

All of the end caps are made with an ultra high-strength nylon composite formula

the original hood heat shield should be reused or an aftermarket shield installed

aFe Differential Cover Oil Level Sight Glass (46-00001) 1663 it's hard to find aRear Differential Cover Oil Level Sight Glass (46 00001) by aFe. aFe Power differential covers come with the option to run a oil level sight glass to visually see how much oil your differential cover has at all times. Factory and most aftermarket differential covers do not allow for this option which leaves you guessing on your fluid level. Don't be caught with low oil on your differential, or your up for a costly repair! aFe Power has got you