Outboard Zinc Anode Rod 838929 804107 800476 858501 Fits For D19 D21 D27 D29
Can directly replace the broken or shabby one. Reference OEM number is 838929, 804107, 800476, 858501. OE: 838929, 804107, 800476, 858501. Multi‑function, zinc anode for intercooler, oil cooler, cylinder head, and other engine applications.