Buy 2001 Chevrolet Express 3500 Housing Assembly - CR/SHF Oil Seal. Main Seal Retainer. (Rear). Express HD, Bearings - OEM Chevrolet Part # 12705664 (12691913, 12693214, 12704270)

Oil cooler. Oil pan. Oil pump. Variable valve timing. Sierra 2500 HD; Exhaust. Sierra 2500 HD; Front Port. Sierra 2500 HD; Intake. Sierra 2500 HD; Left. Sierra 2500 HD; No. 1 & 5. Sierra 2500 HD; No. 2 & 4. Sierra 2500 HD; No. 3. Sierra 2500 HD; Oversized 0.5MM; Left. Sierra 2500 HD; Oversized 0.5MM; Right. Sierra 2500 HD; Right. Sierra 2500 HD; Standard; Left. Sierra 2500 HD; Standard; Right. Sierra 3500 HD; Exhaust. Sierra 3500 HD; Front Port. Sierra 3500 HD; Intake. Sierra 3500 HD; Left. Sierra 3500 HD; No. 1 & 5. Sierra 3500 HD; No. 2 & 4. Sierra 3500 HD; No. 3. Sierra 3500 HD; Oversized 0.5MM; Left. Sierra 3500 HD; Oversized 0.5MM; Right. Sierra 3500 HD; Right.

Oil cooler. Oil pan. Oil pump. Variable valve timing. Express 2500; Exhaust. Express 2500; Intake. Express 2500; Left. Express 2500; O/S 0.5MM; Left. Express 2500; O/S 0.5MM; Right. Express 2500; Oval. Express 2500; Position# 1 & 5. Express 2500; Right. Express 2500; Round (High Pressure Port). Express 2500; Standard; Left. Express 2500; Standard; Right. Express 3500; Exhaust. Express 3500; Intake. Express 3500; Left. Express 3500; O/S 0.5MM; Left. Express 3500; O/S 0.5MM; Right. Express 3500; Oval. Express 3500; Position# 1 & 5. Express 3500; Right. Express 3500; Round (High Pressure Port). Express 3500; Standard; Left. Express 3500; Standard; Right.