Parts list: № Number Qty Name Options 1 BL15528 1 Pneum.Quick-Connect Coupler Next page: ST997544 Wiring Harness, Trailer Air Brake (909730 - 964998) ST877867 Lines / Fittings, Air Compressor (673929 - 999999), (100001 - 128474) ST877869 Wiring Harness, Air Trailer Brake (673929 - 909729) ST959289 Air Trailer Brake / Control Valve / Compressor / Dual Line System, Attachment (4/4) (895484 - ) ST996573 Wiring Harness, Trailer Air Brake (964999 - ) ST465182 Couplers, 2 Line Air Trailer Brake System