Door Mirror & Hood Mirror. Front Grille & Bumper. Exhaust Pipes & Tips. Pre EGR Exhaust Manifold For 12.7L Detroit Diesel Series 60 23512897. 12.7L Detroit Diesel Series 60. Primarily used in Freightliner & Western Star Trucks Replaces: 23512897 12.7L or 14.0L non EGR Engines Manifold is a New Aftermarket coming in 3 sections. Lower 48 states with physical address. An 5% additional charge will be apply on American Express users. OR, you may choose to have a replacement. Business Hour: 8:30am – 5:00pm Monday through Friday.