1974 Chevrolet Blazer Differentials

Essential 1974 Chevrolet Blazer Differentials

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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Yukon Gear – Replacement Outer Oil Slinger For Dana 25, 27, 30, 44 & 50 (Part No.33011)

Replacement Outer Oil Slinger For Dana 25, 27, 30, 44 & 50

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$5.99
Product Features:
  • Outer oil slinger for Dana Spicer 25, 27, 30, 44 and 50
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Yukon Gear – Pinion Depth Shims For GM 7.5", 7.75", 8.2" & 12 Bolt Truck (Part No.55008)

Pinion Depth Shims For GM 7.5", 7.75", 8.2" & 12 Bolt Truck

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$21.99
Product Features:
  • Pinion depth shims for GM 7.5″, 7.625″, 7.6 IFS, 7.6 IRS, 7.75″, 8.2″, 1955-1964 passenger car and 12 bolt car and truck
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Motive Gear – Differential Pinion Nut (Part No.1260823)

Differential Pinion Nut

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$8.49
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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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 – Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt (Part No.33286)

Dana 25, 27, 30, 44, Model 20 And Model 35, GM 7.5", 8.2", 8.5", 12P, 12T, C9.25 Rear Cover Bolt

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$9.99
5/16″-18 cover bolt, Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, Chrysler 9.25 rear, GM 7.5″, 7.625″, 8.2″, 8.5″, 12 bolt passenger car and truck.

Product Features:
  • Cover bolt for Dana Spicer 25, 27, 30 and 44, AMC Model 20 and Model 35, GM 7.5″, 7.625″, 8.2″, 8.5″ and 12 bolt passenger car and truck.
  • 1/2″ head
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Timken – Differential Pinion (Part No.J7020434676TIM)

Differential Pinion

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$49.68
Differential Pinion

Powertrax – Grip PRO Traction System (Part No.GT436035)

Grip PRO Traction System

from

$596.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
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Motive Gear – Axle Shaft (Part No.GM10FAXR)

Axle Shaft

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$207.99
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:
  • GM 10BL 8.5 AXLE RIGHT SIDE, 77-87 1/2 & 3/4 TON
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Richmond Gear – Differential Cross Shaft (Part No.80-0272-1)

Differential Cross Shaft

from

$66.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!

Product Features:
  • For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
  • The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
  • Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
  • Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
  • Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
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Yukon Gear – Chrome Cover For 8.5" GM Front (Part No.32016)

Chrome Cover For 8.5" GM Front

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$44.99
Chrome cover for 8.5″ GM front.

Product Features:
  • Fits GM 8.5″ front
  • Chrome
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Motive Gear – Axle Shaft (Part No.26010416)

Axle Shaft

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$149.99
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 BOLT 4X4 ’88-98 33 1/8 OA – 30 SP 1/2 TON
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Yukon Gear – Bearing Race Driver (Part No.56023)

Bearing Race Driver

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$219.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M88010 race
  • All steel construction
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Driveworks – Oil Seal (Part No.S-471424)

Oil Seal

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$4.49
Value-priced seal meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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USA Standard Gear – Open Spider Gear Set For Dana Spicer 44, 30 Spline (Part No.39006)

Open Spider Gear Set For Dana Spicer 44, 30 Spline

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$203.99
Product Features:
  • Spider gear kit
  • Fit Dana Spicer 44 open differential with 30 spline axles
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Pro-King – Differential Ring Gear Bolt (Part No.742G935)

Differential Ring Gear Bolt

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$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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Yukon Gear – Dana 44 Pinion Gear Thrust Washer (Part No.33281)

Dana 44 Pinion Gear Thrust Washer

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$4.99
Dana 44, GM55P & 8.2″ GM pinion gear Thrust washer.

Product Features:
  • Pinion gear thrust washer for Dana Spicer 44, GM 8.2″ and 1955-1964 GM passenger car
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Yukon Gear – Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P (Part No.33234)

Dana 30 & Dana 44 Power Lok Bolt, Left Hand, & 8.75" Chrysler & 55P

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$26.99
Dana 30 & Dana 44 Power Lok bolt, left hand, & 8.75″ Chrysler & 55P.

Product Features:
  • Power Lok case bolt for Dana Spicer 30, Dana Spicer 44, Chrysler 8.75″ and 1955-1964 GM passenger car
  • Left hand thread
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National – Shaft Repair Sleeve (Part No.99170)

Shaft Repair Sleeve

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$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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Yukon Gear – Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM (Part No.30219)

Replacement Front Axle Inner Seal Redi-Sleeve For Dana 44 & 8.5" GM

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$83.99
Replacement front axle inner seal redi-sleeve for Dana 44 & 8.5″ GM.Yukon Mighty seal.

Product Features:
  • Axle Redi-sleeve
  • Fits Dana Spicer 44
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Yukon Gear – Carrier Installation Kit For GM 8.5" Differential With HD Bearings (Part No.57009)

Carrier Installation Kit For GM 8.5" Differential With HD Bearings

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$148.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.5″ differential with HD bearings for large journal carrier. This kit contains carrier bearings, races and shims. This kit is used in 8.5″ differentials using a Yukon Dura Grip, Eaton posi, ValueTrac, True Trac, Pro-Series Auburn, Detroit Locker or standard carrier with large bearing journals.

Product Features:
  • Fits GM 8.5″ with aftermarket positraction
  • Works with Heavy Duty Bearings
  • Includes carrier bearings and races and “super” carrier shim kit
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Felpro – DIFFERENTIAL GASKET (Part No.RDS 13391)

DIFFERENTIAL GASKET

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$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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Yukon Gear – Powr Lok Flat Driven Plate For Dana 44 (Part No.16173)

Powr Lok Flat Driven Plate For Dana 44

from

$31.99
Product Features:
  • Driven plate
  • Fits Dana Spicer 44 Powr Lok
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Yukon Gear – Replacement Standard Open Carrier Case For Dana 44, 3.92 & Up (Part No.20028)

Replacement Standard Open Carrier Case For Dana 44, 3.92 & Up

from

$149.99
Yukon replacement standard open carrier case for Dana 44, 3.92 & up, 2-3/8″ tall.

Product Features:
  • Standard open carrier case
  • Fits Dana Spicer 44 with 30 spline axles
  • 3.92 and up ratio only
  • Does not include spider gears
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Motive Gear – Differential Ring and Pinion (Part No.GM7.5-456)

Differential Ring and Pinion

from

$216.99


Product Features:
  • GM 10BL 7.5&7.625 R/P 4.56 MG
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Motive Gear – Differential Pinion Seal (Part No.2043)

Differential Pinion Seal

from

$3.49
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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Yukon Gear – Dura Grip For Dana 44, 30 Spline, 3.73 & Down (Part No.26026)

Dura Grip For Dana 44, 30 Spline, 3.73 & Down

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$869.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

Product Features:
  • Fits Dana Spicer 44 with 30 spline axles
  • 3.73 ratio and down only
  • 4-spring, clutch style positraction
  • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
  • Fully rebuildable
  • Assembled in the USA
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National – Bearings (Part No.02820)

Bearings

from

$12.29
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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Popular 1974 Chevrolet Blazer Differentials Categories

1974 Chevrolet Blazer Differentials

Maybe you’re in the middle of a full rebuild of that 1974 Chevrolet Blazer. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 308 different Differentials in our inventory ranging from $3.99 to $1,674.99. That means you can find the exact parts or products you need to keep that 1974 Chevrolet Blazer running smoothly.

Differentials are only as good as their brand. We stock 14 different brands to make sure you have plenty of trusted parts to choose from for your 1974 Chevrolet Blazer. Valvoline, Driveworks, 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 Differentials for your 1974 Chevrolet Blazer, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 4,352 reviews in this category, some of the top rated parts include Axle Housing Cover Gasket with 4.3 stars and Bearings with 4.5 stars.

So if you’re in the market for aftermarket Differentials to keep your 1974 Chevrolet Blazer 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 1974 Chevrolet Blazer Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1974 Chevrolet Blazer 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 Blazer the best it can be. Be sure to browse some of our top Differentials brands and parts.

FAQs for 1974 Chevrolet Blazer Differentials

What are the most purchased Differentials for the 1974 Chevrolet Blazer?

Out of 308 Differentials for the 1974 Chevrolet Blazer, the most popular in our inventory are:
Taper Bearing Set
from $10.29
(38)
Taper Bearing Set
Differential Bearings
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

What are the top-rated 1974 Chevrolet Blazer Differentials?

Top-rated Differentials for your 1974 Chevrolet Blazer based on customer reviews/ratings are:
Axle Housing Cover Gasket
from $6.49
(10)
Axle Housing Cover Gasket
“fit perfectly and was easy to work with.no more leaking rear differential.”
Bearings
from $9.99
(8)
Bearings
“Fit like a glove. Sealed up the diff like mighty putty on steroids”
Differential Ring And Pinion
from $350.99
(7)
Differential Ring And Pinion
“Great spark plugs.”