HM290 Manual Transmission for 1996–98 GM 1500 & 2500 (2WD, 5-Speed) — Everything You Need to Know
Keeping an older truck running smoothly isn’t just about repairs—it’s about protecting something reliable that still gets the job done. If you own a 1996–98 Chevy or GMC 1500 or 2500 with a 2WD setup, chances are you’re searching for the HM290 manual transmission either because your current unit is worn out, starting to grind between gears, or has finally reached the end of its life. Choosing the right replacement can feel overwhelming, especially with different fitment options and model years to consider. This guide breaks everything down in a simple and practical way so you can make the right decision without second-guessing your purchase.
Need this transmission now?
What Exactly Is the HM290 Manual Transmission?
The HM290 manual transmission for 1996–98 GM 1500 and 2500 trucks is a 5-speed unit originally installed in:
- 1996–1998 Chevy C1500 (2WD)
- 1996–1998 GMC 1500 (2WD)
- Light-duty GMC/Chevy 2500 models (2WD)
It is closely connected to the NV3500 platform and is known for smoother shifts, light-duty strength, and a long service life when properly maintained. Today, remanufactured HM290 transmissions are especially popular because they correct original factory weaknesses and arrive ready for installation.
Why Truck Owners Still Choose Manual Transmissions
There’s a reason many GM truck owners stay loyal to manual gearboxes:
✔ More driving control
Perfect for hauling, steady climbing, and work-use driving.
Fewer electronics means fewer expensive failures.
✔ Good fuel efficiency
Especially during consistent highway driving.
✔ Lower long-term cost
✔ Proven durability
Remaining units include upgraded internal components.
For drivers who want simplicity and strength—not sensitivity—manual still wins.
❗ Not sure if this fits your truck?
How to Confirm Fitment Before Ordering
To make sure you’re choosing the right part, check:
- Model year: must be 1996–1998
- Vehicle: Chevy or GMC 1500/2500 light-duty
- Drivetrain: 2WD only
- Engine pairing: Typically 4.3L, 5.0L, or 5.7L
- Transmission code match: HM290 / NV3500 variant
Quick Tip:
If your truck is 4×4 or outside these model years, this is not the correct transmission—use the Shop Around link so you don’t waste time or money.
Common HM290 Issues & How Reman Units Solve Them
Older factory HM290 units often experience:
- Bearing noise at high mileage
- Worn synchros leading to grinding
- Oil leakage around the case
- Input shaft wear
A high-quality reman HM290 usually includes:
✔ Updated synchro rings
✔ New bearings and seals
✔ Redesigned lubrication flow
✔ Precision-machined gears
✔ Full testing before shipping
This means less hassle during installation and a longer, more reliable lifespan.
Installation Tips: DIY or Professional?
🔧 If you’re installing it yourself:
- Replace the clutch, pilot bearing, and throw-out bearing
- Drain and replace transmission fluid
- Inspect driveshaft and crossmember
- Never reuse worn seals
- Follow torque specs carefully
🏭 Professional install recommended when:
- You’re new to transmission work
- Your old gearbox failed internally
- There’s heavy rust near mounts or frame brackets
Most customers choose reman units because they arrive ready to bolt in, saving hours of shop time.
✅ Why the HM290 Is Still Popular Today
Even in 2025, this transmission remains in demand because:
- Older GM trucks are being restored, not scrapped
- Automatic replacements are more expensive
- Manual parts are becoming harder to find
- Reman units extend truck life affordably
For anyone who depends on their 1996–98 GM truck, upgrading to a reliable remanufactured HM290 is a smart long-term choice.
Ready to order?
Final Thoughts
Whether you use your GM 1500 or 2500 as a daily driver, a weekend hauler, or a dependable work truck, choosing the right replacement transmission can make the difference between ongoing repairs and years of trouble-free performance. The HM290 manual transmission offers a proven, cost-effective solution that keeps these classic GM models on the road where they belong. With the correct fitment and a quality reman unit, your truck can continue delivering the reliability it was built for