42RLE. Filter bolt. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Transmission Filter to a Mounting point. Alternator Bracket Bolt. Exhaust Manifold Heat Shield Bolt. Transmission Oil Pan Bolt. Bracket. Differential cover screw. End cover screw. Exhaust Manifold Heat Shield. HEX Flange HEAD. Transmission Filter. Transmission Oil Pan.