DC66004700B Washer Shock Absorber Kit (rear) replacement set - What’s included: 2 DC6600470 rear shocks and 2 DC6600470B rear shocks, designed for the rear of the washer. Easy installation/removal with a 13 mm socket or wrench. - Direct replacement compatibility: Replaces multiple part numbers, including DC6600470, DC6600470A, DC6600470B, DC6600650C, DC6600650D, AP4206422, PS4212219, and AP4456255. - What problem this fixes: If the tub contacts the cabinet during the spin cycle and the springs are intact, replacing these rear shock absorbers resolves the issue and restores proper suspension. - Model and compatibility scope: Compatible with a wide range of LG front‑load washers, including WF20, WF21, WF32, WF33, WF35, WF39, WF40, WF41, WF42, WF43, WF44, WF45, WF46, WF50, WF51, WF52, WF56, WV55, WV60, and related models. - Use scenarios: - Scenario 1: You hear thumping or banging during high-speed spins due to weakened rear shocks. - Scenario 2: The tub drags or rubs against the cabinet because suspension is worn. - Scenario 3: Performing routine maintenance or part replacement on older LG washers to restore quiet operation. - Key attributes: rear suspension, specific kit for DC6600470 family, tested installation with standard 13 mm tools, broad model compatibility, improves spin stability and reduces tub contact.