Fangming K East Lyme , CT September 23, 2014 Appliance: General Electric Gas Range ZGU375LSD3SS Ge Cooktop Zgu375lsd3ss: Purchased the part before from other company but it did not fit. How to replace Tube Main. Re-purchased the part with the same part-number from this company, Parts Pros. The part delivered in 2 days, and the part fits my appliance perfectly. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes