Newmar RV Wiper Arm J-Hook 30" 750 mm 016053Newmar RV Class A motorhome J Hook style windshield wiper arm. Wiper Technologies brand. This wiper arm is used on both the driver side and passenger side of the coach. This wiper arm is commonly used on Newmar Dutch Stars, along with many other RVs. Newmar number 016053, The plastic wiper radial arm cover is included with the wiper arm. If you need a replacement cap, they are also sold separately: Newmar RV Plastic Cover for Radial Arm Head 028458