1975 GMC P15 Differentials

More 1975 GMC P15 Differentials

Find your specific 1975 GMC P15 original or aftermarket Differentials below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.

Essential 1975 GMC P15 Differentials

Felpro – DIFFERENTIAL GASKET (Part No.RDS 13391)

DIFFERENTIAL GASKET

from

$7.99
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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(3 reviews)
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Felpro – Differential Cover Gasket (Part No.RDS 30031)

Differential Cover Gasket

from

$8.79
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.GM12IK)

Differential Gear Install Kit

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$69.99


Product Features:
  • MINI INSTALL KIT GM 12BLT 8.875 TRUCK
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Richmond Gear – RngPnnInstlKt (Part No.83-1018-B)

RngPnnInstlKt

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$39.49
RngPnnInstlKt
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Motive Gear – Differential Crush Sleeve (Part No.3954482)

Differential Crush Sleeve

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$5.49


Product Features:
  • CRUSH SLV 8 7/8 12BLT TRK
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Pro-King – Differential Crush Sleeve (Part No.742G034)

Differential Crush Sleeve

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$2.99
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.742J717)

Differential Internal Nest Kit

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$219.99
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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Motive Gear – Differential Carrier Shim Kit (Part No.1101)

Differential Carrier Shim Kit

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$8.49
High-quality Differential Carrier Shim Kit

Product Features:
  • CARRIER SHIMS 12 BOLT GM CAR & TRUCK ALSO GM8.6″ 99-ON
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(3 reviews)
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Pro-King – Differential Ring Gear Bolt (Part No.742J935)

Differential Ring Gear Bolt

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$0.91
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 Ring Gear Bolt (Part No.742G935)

Differential Ring Gear Bolt

from

$1.99
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 Pinion Shim Kit (Part No.742G200A)

Differential Pinion Shim Kit

from

$18.49
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 Pinion Shim Kit (Part No.1104)

Differential Pinion Shim Kit

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$12.99


Product Features:
  • KIT SHIM
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Richmond Gear – RngPnnInstlKt (Part No.83-1018-1)

RngPnnInstlKt

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$182.99
RngPnnInstlKt
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Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R12RMK)

Differential Master Bearing Kit - Koyo

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$131.99
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&SL GM 12BLT 8 7/8
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National – Shaft Repair Sleeve (Part No.99170)

Shaft Repair Sleeve

from

$41.99
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:
  • 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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Pro-King – Differential Ring and Pinion (Part No.742G730G)

Differential Ring and Pinion

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$265.99
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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Motive Gear – Differential Ring and Pinion (Part No.GM12-308)

Differential Ring and Pinion

from

$293.99


Product Features:
  • GM 12BL 8.875 R/P 3.08 MG
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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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(2 reviews)
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Pro-King – Differential Axle Bearing (Part No.742G280)

Differential Axle Bearing

from

$16.79
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.M88010)

Bearings

from

$10.49
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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(4 reviews)
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National – Bearings (Part No.M88048)

Bearings

from

$15.99
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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(9 reviews)
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Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

Taper Bearing Cup

from

$7.29
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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National – Bearings (Part No.HM89449)

Bearings

from

$25.49
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

(1 reviews)
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Driveworks – Tapered Roller Bearing (Part No.S-HM-89449)

Tapered Roller Bearing

from

$17.29
Product Features:
  • Brand may vary by location
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Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$12.79
Product Features:
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks
  • Long-life friction modifiers and premium base oils help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • Enhanced cleaning additives help reduce varnish formation and keep the transmission running properly longer
  • Engineered with a unique blend of viscosity modifiers and base oils to provide better oil flow at low temperatures and greater film protection at higher temperatures
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(446 reviews)
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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 – 3 Qt – Penzoil 80W90 Conventional Gear Oil (Part No.15002)

3 Qt - Penzoil 80W90 Conventional Gear Oil

from

$44.99
3 Qt. Penzoil 80W90 conventional gear Oil.

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

Redline Synthetic "Shock Proof" Oil - 4 Quarts

from

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

Product Features:
  • Includes four quarts of Redline Shockproof oil
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1975 GMC P15 Differentials

Maybe you’re in the middle of a full rebuild of that 1975 GMC P15. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 42 different Differentials in our inventory ranging from $0.91 to $360.99. That means you can find the exact parts or products you need to keep that 1975 GMC P15 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 1975 GMC P15. Valvoline, National, 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 1975 GMC P15, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 474 reviews in this category, some of the top rated parts include Differential Ring And Pinion with 5.0 stars and Differential Carrier Shim Kit with 2.7 stars.

So if you’re in the market for aftermarket Differentials to keep your 1975 GMC P15 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 1975 GMC P15 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1975 GMC P15 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 P15 the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular Felpro Differentials

We carry Felpro parts in our stock across Rear Housing Cover Gaskets categories, plus more. For a 1975 GMC P15, our most popular Felpro Differentials include:
DIFFERENTIAL GASKET
from $7.99
(3)
DIFFERENTIAL GASKET
Rear Housing Cover Gaskets

FAQs for 1975 GMC P15 Differentials

What are the most purchased Differentials for the 1975 GMC P15?

Out of 42 Differentials for the 1975 GMC P15, the most popular in our inventory are:
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil
Bearings
from $15.99
(9)
Bearings
Front Differential Pinion Bearings
Bearings
from $10.49
(4)
Bearings
Rear Differential Pinion Bearings

What are the top-rated 1975 GMC P15 Differentials?

Top-rated Differentials for your 1975 GMC P15 based on customer reviews/ratings are:
Differential Ring And Pinion
from $350.99
(7)
Differential Ring And Pinion
“Great spark plugs.”
Differential Carrier Shim Kit
from $8.49
(3)
Differential Carrier Shim Kit
“worked great”
Differential Ring And Pinion
from $360.99
(1)
Differential Ring And Pinion
“Best ever!!!’nn”

More Popular Parts for All Makes