If you absolutely must have an exact Intellok replacement, post your keypad’s back sticker photo (showing the 7-digit model) in the comments below. I’ll help you search the obsolete parts networks.
For retrofit locks (SecuRam/LaGard), follow their manual exactly. They use different programming sequences (e.g., 0-0-0-0-0-0, then #, then new code). Here is what I see in forums every week: intellok safe keypad replacement
My advice? Intellok keypads were never designed for 15+ years of service. Bite the bullet, buy a quality retrofit electronic lock from SecuRam or LaGard, and you’ll get another decade of reliable service. If you absolutely must have an exact Intellok