There are different designs for your idler arm. The original Chrysler arm 3402846 didn't have any grease fittings. Moog had two types both with the same part number. Here are eBay links for each one.
Steering Idler Arm Moog K7086 | eBay This style comes with a bolt and nut with grease fittings on both ends. The following link has the factory type bushing at the k member end without grease fitting and stud end with grease fitting.
Steering Idler Arm Moog K7086 | eBay
Aftermarket brands such as trw, mcquay-norris, etc. had similar variations.
