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A Guide to Accessory Drive Belts for the 1963-1964 Studebaker 8E5

Keep your classic Studebaker truck's engine running cool and charging properly with the right set of V-belts.

4 minutes to read 1963-1964 Studebaker 8E5
Difficulty
1/5
Est. Time
0.5 hrs
DIY Doable?
✅ Yes
Shop Labor
$50-$100
⚠️ Drivable, but... — You can drive with a squealing belt for a short distance, but a broken belt will cause a breakdown from overheating or a dead battery.
Key Takeaways
  • Your 1963-1964 Studebaker 8E5 uses multiple V-belts, not a single serpentine belt; inspect them all regularly.
  • Modern aftermarket belts from reputable brands like Gates or Continental are superior and more reliable than 60-year-old original parts.
  • Squealing noises, visible cracks, a battery light, or rising engine temperature are all signs that your belts need immediate attention.
  • Ensure you order the correct length belt for your specific engine and accessory combination (e.g., with or without power steering).
The 1963-1964 Studebaker 8E5 does not use a single serpentine belt like modern trucks. Instead, it relies on a system of multiple V-belts to power its accessories. These belts transfer power from the engine's crankshaft to essential components. Depending on your truck's specific engine and options, these belts drive the generator or alternator, the water pump, and the power steering pump (if equipped). A failure of one of these belts can disable a critical system, such as the cooling or charging system.

Understanding the V-Belt System in Your Studebaker 8E5

On your 1963-1964 Studebaker 8E5 truck, the accessory drive belts, often called V-belts or fan belts, are essential for operation. Unlike modern vehicles that use a single, wide serpentine belt, your Studebaker uses a simpler system of individual V-shaped belts. These belts are responsible for spinning the water pump to keep the engine cool and the generator or alternator to charge the battery. Because they are made of rubber, these belts wear out over time and require inspection and replacement.

Symptoms of a Failing Accessory Drive Belt

A worn V-belt on your Studebaker will provide clear warning signs. Ignoring them can lead to a breakdown from an overheating engine or a dead battery. Look and listen for these common symptoms:

🎬 Watch this video to identify common signs of belt failure.
  • Squealing Noises: A high-pitched squeal, especially when starting the engine or accelerating, is the most common sign of a loose or worn-out belt slipping on the pulleys.
  • Visible Wear and Cracks: A visual check is your best tool. Look for cracks, fraying, missing chunks, or a shiny, glazed appearance on the belt's surface. Old rubber becomes brittle and cracks with age and heat.
  • Battery Warning Light: If the ammeter shows a discharge or the “GEN” light comes on, the belt driving the generator/alternator may be slipping and failing to charge the battery.
  • Engine Overheating: If the belt that drives the water pump breaks or slips badly, the engine temperature will quickly rise.

A Note on "New Old Stock" (NOS) Parts

While you might find an original Studebaker belt that has never been used (NOS), it's important to remember that rubber degrades over decades. A 60-year-old belt is not reliable, even if it looks new. Modern aftermarket belts are made with superior materials that resist heat, oil, and cracking far better than the originals.

Choosing the Right Aftermarket Belts

Original Studebaker belts are no longer made, but high-quality aftermarket replacements are readily available. For a classic truck like the 8E5, fitment is more important than brand loyalty, as long as you stick with reputable manufacturers. Both Gates and Continental are well-regarded brands in the classic car community and are considered reliable choices. They produce durable V-belts that meet or exceed the original specifications.

Accessory Drive Belt Cost for 1963-1964 Studebaker 8E5

Part/Service Estimated Cost
New Aftermarket Belt (per belt) $7.35 - $33.48
Shop Labor $50 - $100

Pro Tip: Check Your Pulleys and Tension

When replacing your belts, inspect the pulleys for any grease, oil, or damage. A dirty or wobbly pulley can destroy a new belt quickly. Proper tension is also critical. A belt that is too tight will cause premature wear on the bearings of the water pump and alternator, while a belt that is too loose will slip and squeal. A good rule of thumb is that you should be able to twist the belt about 90 degrees (a quarter turn) at the longest point between pulleys.

Frequently Asked Questions (FAQ)

Can I replace the accessory belts myself?

Yes, this is a very DIY-friendly job on a 1960s Studebaker. The process usually involves loosening the bolts on an accessory (like the generator), pivoting it to release tension, swapping the belt, and then re-applying tension while tightening the bolts. It typically requires only basic hand tools.

How many belts does my Studebaker 8E5 have?

The exact number depends on your truck's options. A base model will have at least one belt for the fan, water pump, and generator. If your truck is equipped with options like power steering, it will have an additional belt for that component. It's common for these trucks to have a dual-belt system for the alternator.

How do I find the right size belt?

The most common ordering mistake is getting the wrong length. The 8E5 could have different belt lengths depending on the engine and accessories. Part numbers like Gates 7390 are often specified for the fan and alternator on the 6-cylinder engine. Always measure your old belts or use a vehicle-specific parts catalog to cross-reference and ensure you are buying the correct size.

Are there any recalls for the accessory drive belts on my Studebaker?

No. There are no active recalls or technical service bulletins (TSBs) from the National Highway Traffic Safety Administration (NHTSA) for accessory drive belts on the 1963-1964 Studebaker 8E5. Issues with belts on a vehicle of this age are related to normal wear and tear.

Symptoms of a Bad Serpentine Belt [With Proven Fixes]
Symptoms of a Bad Serpentine Belt [With Proven Fixes]

Technical Specifications

The system uses V-belts, not a modern serpentine belt. Key specifications are the belt's top width and its outside circumference. These must be matched precisely for each accessory drive. For example, the Gates 7390 belt is listed for the fan and alternator on some 6-cylinder models.

Wrenchy
Article researched & written by
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Meet Wrenchy → Updated Jul 21, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

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