1978 GMC G25 Gear Boxes

Essential 1978 GMC G25 Gear Boxes

Powercraft – Steering Gear Major Seal Kit (Part No.7859)

Steering Gear Major Seal Kit

from

$52.99
Premium-quality parts for lasting repairs. Engineered to OE design and specifications.
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National – Multi Purpose Seal (Part No.313842)

Multi Purpose Seal

from

$11.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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National – Multi Purpose Seal (Part No.480821)

Multi Purpose Seal

from

$8.79
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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Monroe – Magnum Steering Damper (Part No.SC2915)

Magnum Steering Damper

from

$49.99
The Monro-Magnum® steering stabilizer stops vibration before it gets to the driver. Acting as a horizontal shock absorber, Monro-Magnum® steering stabilizers help reduce vibrations that travel through the steering system to the driver.

Product Features:
  • 1/2 inch Piston Rod Heavy-duty nitrocarburized rod for long service life
  • All Weather Fluid Contains special modifiers to reduce friction and ensure smooth rod reaction.
  • Full Displaced Valving Better valving range on both the compression and extension cycles of the unit for a smooth comfortable ride.
  • Micro-Cellular Gas Design Allows unit to be mounted horizontally.
  • Sintered Iron Piston Stronger than traditional metals, enhances durability for longer service life.
  • Special Seal ‘Self-lubricating’ fluid seal designed to retain gas without excessive wear or friction.
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Cardone – Remanufactured Power Steering Gear Box (Part No.27-7514)

Remanufactured Power Steering Gear Box

from

$145.99
The steering gear box is the heart of the vehicles steering system. It guides the wheels movement in conjunction with the direction that the steering wheel is rotated, helping achieve ideal steering response for more efficient driving. CARDONE Remanufactured Steering Gear Boxes are re-engineered, built and tested to match O.E. performance. Each unit features 100% new O-rings and lip seals to ensure leak-free, long-lasting performance. Shafts are surfaced to precise specifications to eliminate premature seal wear and extend gear life. All units are 100% hydraulically tested to ensure perfect fit and function.

Product Features:
  • 100% hydraulic testing measures for proper flow, leakage and performance to ensure perfect fit and function.
  • 100% new O-rings and lip seals ensure leak-free, long-lasting performance.
  • All critical components are tested to ensure product reliability.
  • Shafts are surfaced to precise specifications to eliminate premature seal wear and extend gear life.
  • Rust inhibitive “Cool Dip” finish is a penetrating dye that completely covers all exposed surfaces for a consistent, protective finish that will not crack, flake or peel.
  • As a remanufactured Original Equipment part, this unit guarantees a perfect vehicle fit.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
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1978 GMC G25 Gear Boxes

Maybe you’re in the middle of a full rebuild of that 1978 GMC G25. Maybe you just need a couple of Gear Boxes. Either way, Advance Auto Parts has 5 different Gear Boxes in our inventory ranging from $8.79 to $145.99. That means you can find the exact parts or products you need to keep that 1978 GMC G25 running smoothly.

Gear Boxes are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 1978 GMC G25. Powercraft, Monroe, and National are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Gear Boxes for your 1978 GMC G25, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Gear Boxes to keep your 1978 GMC G25 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Gear Boxes Brands To Make Your 1978 GMC G25 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 GMC G25 demands trusted brand parts and products to keep it running. Many trusted brands of Gear Boxes make up Advance Auto Parts’ inventory, and all are ready to help make your G25 the best it can be. Be sure to browse some of our top Gear Boxes brands and parts.

Popular Monroe Gear Boxes

We carry Monroe parts in our stock across Steering Stabilizers categories, plus more. For a 1978 GMC G25, our most popular Monroe Gear Boxes include:
Magnum Steering Damper
from $49.99
(2)
Magnum Steering Damper
Steering Stabilizers

FAQs for 1978 GMC G25 Gear Boxes

What are the most purchased Gear Boxes for the 1978 GMC G25?

Out of 5 Gear Boxes for the 1978 GMC G25, the most popular in our inventory are:
Steering Gear Major Seal Kit
from $52.99
This product is not rated
Steering Gear Major Seal Kit
Steering Gear Box Seals
Multi Purpose Seal
from $11.99
This product is not rated
Multi Purpose Seal
Steering Gear Box Seals
Multi Purpose Seal
from $8.79
This product is not rated
Multi Purpose Seal
Steering Gear Housing Seals