1979 GMC P3500 Differentials

Essential 1979 GMC P3500 Differentials

Dorman – General Motors Full Float Axle Shaft (Part No.630-147)

General Motors Full Float Axle Shaft

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$243.99
Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

Product Features:
  • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models
  • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications
  • Durable construction – designed to rigorous standards and tested to ensure performance
  • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
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Motive Gear – Axle Shaft (Part No.MG1774)

Axle Shaft

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$168.99
The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

Product Features:
  • AXLE SHAFT 10.5″ 30 SPL. 37 9/16″ R.H.
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

Redline Synthetic "Shock Proof" Oil - 3 Quarts

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$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.

Product Features:
  • Includes three quarts of Redline Shockproof oil
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

Redline Synthetic "Shock Proof" Oil - 4 Quarts

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$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil
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Pro-King – Differential Internal Nest Kit (Part No.718C717B)

Differential Internal Nest Kit

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$422.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Pro-King – Differential Internal Nest Kit (Part No.743B717)

Differential Internal Nest Kit

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$221.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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National – Bearings (Part No.R-1581-TV)

Bearings

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$44.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • High radial load capacity makes them suitable for high speed applications
  • Industry leading coverage
  • Professional technicians know they can depend on National
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National – Shaft Repair Sleeve (Part No.99212)

Shaft Repair Sleeve

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$41.49
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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Felpro – Differential Cover Gasket (Part No.RDS 6014)

Differential Cover Gasket

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$15.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Felpro – DIFFERENTIAL GASKET (Part No.RDS 6095-1)

DIFFERENTIAL GASKET

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$8.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Motive Gear – Differential Gear Install Kit (Part No.GM10.5IKLA)

Differential Gear Install Kit

from

$52.79
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Motive Gear – Differential Gear Install Kit (Part No.GM9.5IK)

Differential Gear Install Kit

from

$58.49


Product Features:
  • MINI-INSTLTN KT-9 1/2″ GM
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Motive Gear – Differential Pinion Seal (Part No.26064030)

Differential Pinion Seal

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$23.99
Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both o
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Driveworks – Differential Pinion Seal (Part No.S-710508)

Differential Pinion Seal

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$26.99
Product Features:
  • Brand may vary by location
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Felpro – Differential Cover Gasket (Part No.RDS 55447)

Differential Cover Gasket

from

$15.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Victor Reinz – Differential Cover Gasket (Part No.71-14868-00)

Differential Cover Gasket

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$8.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
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National – Bearings (Part No.HM88510)

Bearings

from

$14.29
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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National – Bearings (Part No.469)

Bearings

from

$45.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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National – Taper Bearing Cone (Part No.LM501349)

Taper Bearing Cone

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$17.99
Manufactured with premium-grade steel, National® taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:
  • PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
  • SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
  • OE-STYLE DESIGN — Engineered to meet OE specifications
  • COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
  • RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
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Yukon Gear – Repleacement Ring Gear Bolt For Dana 80 (Part No.33039)

Repleacement Ring Gear Bolt For Dana 80

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$7.99
Repleacement ring gear bolt for Dana 80. 9/16″ x 18.

Product Features:
  • Ring gear bolt for Dana Spicer 80
  • 9/16″ x 18 thread
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Pro-King – Differential Ring Gear Bolt (Part No.744A935)

Differential Ring Gear Bolt

from

$1.89
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

Product Features:
  • All products are designed to meet or exceed OE quality, form, fit and funtion.
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Motive Gear – Differential Bearing Kit – Koyo (Part No.R80R)

Differential Bearing Kit - Koyo

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$197.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • BEARING & SEAL KT DANA 80
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Motive Gear – Differential Bearing Kit – Timken (Part No.R80RT)

Differential Bearing Kit - Timken

from

$211.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

Product Features:
  • KIT BRG & SEAL DANA 80
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Yukon Gear – Grizzly Locker For GM 10.5" 14 Bolt Truck With 30 Spline Axles (Part No.28015)

Grizzly Locker For GM 10.5" 14 Bolt Truck With 30 Spline Axles

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$859.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

Product Features:
  • Fits GM 10.5″ 14 bolt truck
  • Installs into standard open carrier
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Yukon Gear – Replacement Standard Open Carrier Case For Dana 70HD, 4.56 & Up (Part No.20037)

Replacement Standard Open Carrier Case For Dana 70HD, 4.56 & Up

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$454.99
Product Features:
  • Standard open carrier case
  • Does not include spider gears
  • Fits Dana Spicer 70HD
  • 4.56 and up ratio only
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National – Bearings (Part No.HM903249)

Bearings

from

$48.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

National – Bearings (Part No.HM807046)

Bearings

from

$59.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Crowned raceways and rollers to ensure even load distribution for maximum life
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Yukon Gear – Set Up Bearing (Part No.56080)

Set Up Bearing

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$198.99
NO RETURN HM807046 SET-UP Bearing (1 SINGLE Bearing) for Dana 80 , 11.5AAM , 4.125″ OD .

Product Features:
  • Set up bearing
  • Fits HM807046 pinion bearing
  • Easily slips on and off pinion journal to allow for pinion depth adjustment
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1979 GMC P3500 Differentials

Maybe you’re in the middle of a full rebuild of that 1979 GMC P3500. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 43 different Differentials in our inventory ranging from $1.89 to $345.99. That means you can find the exact parts or products you need to keep that 1979 GMC P3500 running smoothly.

Differentials are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1979 GMC P3500. Valvoline, Felpro, and Yukon Gear 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 Differentials for your 1979 GMC P3500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,398 reviews in this category, some of the top rated parts include DIFFERENTIAL GASKET with 3.0 stars and Differential Cover Gasket with 5.0 stars.

So if you’re in the market for aftermarket Differentials to keep your 1979 GMC P3500 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!

Differentials Brands To Make Your 1979 GMC P3500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1979 GMC P3500 demands trusted brand parts and products to keep it running. Many trusted brands of Differentials make up Advance Auto Parts’ inventory, and all are ready to help make your P3500 the best it can be. Be sure to browse some of our top Differentials brands and parts.

FAQs for 1979 GMC P3500 Differentials

What are the most purchased Differentials for the 1979 GMC P3500?

Out of 43 Differentials for the 1979 GMC P3500, the most popular in our inventory are:
Differential Cover Gasket
from $6.79
(13)
Differential Cover Gasket
Rear Differential Cover Gaskets
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Taper Bearing Cone
from $17.99
(2)
Taper Bearing Cone
Differential Bearings

What are the top-rated 1979 GMC P3500 Differentials?

Top-rated Differentials for your 1979 GMC P3500 based on customer reviews/ratings are:
DIFFERENTIAL GASKET
from $8.29
(4)
DIFFERENTIAL GASKET
“Great Product”
Differential Cover Gasket
from $15.99
(1)
Differential Cover Gasket
“OEM only uses silicone , the gasket set with a thin layer of silicone is a much better sealant method”