Push Rod Cover & Gasket Kit for Cummins 4BT/4B3.9 – OEM-Replacement Quality
Stop engine oil leaks and eliminate valve train noise on your Cummins 4BT or 4B3.9 — fast, without OEM delays or markup. This Cummins 4BT push rod cover kit delivers OEM-replacement quality with precise surface flatness (≤0.05mm deviation) and fluorosilicone gasket material rated for 200°C continuous exposure — critical for high-load B-series applications. One-piece fit: Includes both push rod cover (5365772/3936188) and tappet cover gasket (3283767/3904056), pre-matched for correct compression load Fits all major 4B variants: 4BT, 4B3.9, B3.9 G, CM2620, and B171C — no guesswork on model-specific sealing geometry Ships same-day from Guangzhou warehouse — no waiting weeks for backordered OEM parts Every kit verified against original Cummins service specs before dispatch, not just dimensional check