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Next Day Air Shipping: UPS can deliver your TCM on the next business day (Monday-Friday) on orders placed before 3pm CST. Orders placed after 3pm CST will be processed next business day.

Dynamically Updated
The quickest and most affordable solution to get your truck back on the road.
"Great product.  My truck was dead in the water with a bad TCM.  Ordered one of Dan's pretuned TCMs and received it  very fast.  Only took a couple minutes to install.  My truck is all fixed and has never shifted this good.  Thanks Dan."

- David J., AL
"My original TCM failed on me when I really needed my truck for a job I was on.  Local Chevy dealership quoted around $1,000 to fix it.  Ordered a new one from Dan's Diesel Performance and was back to work the next day.  Saved myself  a few hundred bucks and it works great with my programmer."

- Jim C., WI
"Highly recommend this product.  I was going to order a TCM online that was cheaper, but then learned that it would need to be programmed yet by a dealer.  That would have required more time and money to get my truck fixed.  I ordered a A50 from Dan's Diesel and installed it myself .  Saved me a bunch of time and money.  Plus the truck shifts nicer than it ever has.  Thank You."

- Tyler D., AK
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 P: (815) 977-5865