Not all NV4500 countershafts are the same — and putting the wrong one in your transmission is a mistake you'll only make once. This video lays out the differences side by side so you can identify what you have and what you need.
What This Video Covers
A side-by-side comparison of NV4500 countershaft cluster gears showing the differences between year ranges and applications. If you're sourcing a replacement countershaft or doing a rebuild, knowing which version you need is critical — this video shows you how to tell them apart.
NV4500 Tech Resources
- NV4500 5th Gear Failures & Solutions — the most common NV4500 problem and why countershaft condition matters
- Defects in NV4500 Cast Iron Tailhousings
- NV4500 Transmission Teardown Guide
- NV4500 Mainshaft Assembly Video
- NV4500 Mainshaft Disassembly Video
- Smoked NV4500 — Full 2-Hour Teardown
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