1977 Pontiac LeMans Differentials

Essential 1977 Pontiac LeMans Differentials

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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USA Standard Gear – Axle Shaft For 82" Buick, Oldsmobile & Pontiac, Bolt In Axle 29 7/8" Long, 28 Spline (Part No.35060)

Axle Shaft For 82" Buick, Oldsmobile & Pontiac, Bolt In Axle 29 7/8" Long, 28 Spline

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$264.99
USA Standard axle shaft for 8.2″ Buick, Oldsmobile & Pontiac, bolt in axle. 29 7/8″ long, 28 spline.

Product Features:
  • Fits 8.2″ Buick, Oldsmobile and Pontiac
  • 28 spline
  • 29 7/8″ long
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Motive Gear – Differential Master Bearing Kit – Timken (Part No.R12CRMKT)

Differential Master Bearing Kit - Timken

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$138.99
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:
  • MASTER KIT GM 12 BOLT CAR
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Driveworks – Tapered Roller Bearing (Part No.S-LM-603012)

Tapered Roller Bearing

from

$6.79
Product Features:
  • Brand may vary by location
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Yukon Gear – 8.5" GM Extra HD Standard Open Case (Uses Larger Bearings) (Part No.20084)

8.5" GM Extra HD Standard Open Case (Uses Larger Bearings)

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$232.99
8.5″ GM EXTRA HD standard Open case (uses larger bearings).

Product Features:
  • Standard open carrier case
  • Fits GM 8.5″ with 28 or 30 spline axles
  • 2.73 and up ratio only
  • Does not include spider gears
  • Has larger carrier carrier bearing journals for high strength
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Motive Gear – Differential Carrier Gear Kit (Part No.GM10BI)

Differential Carrier Gear Kit

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$111.99


Product Features:
  • GM10 BOLT 8.5″ 28 SPL INTERNAL KIT (OPEN)
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USA Standard Gear – Standard Spider Gear Set For GM 8.5", 28 Spline (Part No.39026)

Standard Spider Gear Set For GM 8.5", 28 Spline

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$209.99
Product Features:
  • Spider gear kit
  • Fits GM 8.5″ 28 spline open differential
  • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

from

$5.99
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Yukon Gear – Yoke For 8.5" Or 8.6" GM (Mech 3R) With A U/Joint Size And Triple Lip Design (Part No.41071)

Yoke For 8.5" Or 8.6" GM (Mech 3R) With A U/Joint Size And Triple Lip Design

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$226.99
Yukon yoke for 8.5″ or 8.6″ GM (mech 3R) with a U/joint size and triple lip design. 2.556″ snap ring span, 1.125″ cap diameter. Inside snap ring. This yoke uses inside snap rings. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits GM 8.5″ and 8.6″
  • 30 spline
  • Mechanics 3R u-joint size
  • 2.556″ snap ring span
  • 1.125″ cap diameter
  • Inside snap ring design
  • Strap style
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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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National – Shaft Repair Sleeve (Part No.99199)

Shaft Repair Sleeve

from

$37.99
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 Cover Plug (Part No.742G484)

Differential Cover Plug

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$6.59
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 – Dropout Pinion Seal For Oldsmobile And Pontiac (Part No.30100)

Dropout Pinion Seal For Oldsmobile And Pontiac

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$65.99
Dropout pinion seal for Oldsmobile and Pontiac.Yukon Mighty seal.

Product Features:
  • Pinion seal
  • Fits Oldsmobile dropout
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Pro-King – Differential Cross Shaft (Part No.742G673)

Differential Cross Shaft

from

$28.49
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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Yukon Gear – Aluminum Girdle Cover For 8.2" Buick, Pontiac, Oldsmobile GM Ta HD (Part No.32120)

Aluminum Girdle Cover For 8.2" Buick, Pontiac, Oldsmobile GM Ta HD

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$334.99
Aluminum Girdle cover for 8.2″ Buick, Pontiac, Oldsmobile GM TA HD.

Product Features:
  • Fits 8.2″ Buick, Oldsmobile and Pontiac
  • Aluminum girdle cover
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Yukon Gear – Pinion Install Kit For GM 8.5" Oldsmobile Rear (Part No.13071)

Pinion Install Kit For GM 8.5" Oldsmobile Rear

from

$249.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, pinion nut, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

Product Features:
  • Fits 8.5″ Oldsmobile with 28 spline axles
  • Fits 8.5″ Oldsmobile with 31 spline axles
  • Included are pinion bearings and races, pinion seal, crush sleeve, complete pinion shim kit, and marking compound with brush.
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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

from

$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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Powertrax – Grip LS Traction System (Part No.LS201028)

Grip LS Traction System

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$463.99
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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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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Yukon Gear – Pinion Nut Washer (Part No.33167)

Pinion Nut Washer

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$14.99
Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.6″, 7.6″ IFS, 8.5″, 8.6″ & 9.5″.

Product Features:
  • Pinion nut washer for GM 7.2″ IFS, 7.5″, 7.625″, 7.6″ IFS, 8.5″, 8.6″ and 9.5″.
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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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Pro-King – Differential Cover Gasket (Part No.742G303A)

Differential Cover Gasket

from

$31.49
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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USA Standard Gear – 8.5" GM Spartan Locker Cross Pin (Part No.17024)

8.5" GM Spartan Locker Cross Pin

from

$49.99
Product Features:
  • USA Standard Gear heavy-duty cross pin shaft
  • Fits GM 8.5″ and 8.6″
  • Works with Spartan Locker or standard open spider gears
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Motive Gear – Differential Pinion Nut (Part No.3752901)

Differential Pinion Nut

from

$7.49
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 – Positraction Clutch Guide (Part No.33352)

Positraction Clutch Guide

from

$8.99
Positraction clutch guide.

Product Features:
  • Clutch guide for Chrysler 9.25″, Dana Spicer 44, Dana Spicer 50, Ford 8.8″, GM 12 bolt passenger car, GM 8.2″, 8.5″ and 8.6″, 1963-1979 Corvette and Nissan Titan
  • Compatible with Dura Grip positractions only
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Yukon Gear – Bearing Race Driver (Part No.56023)

Bearing Race Driver

from

$219.99
Bearing race driver. No return.

Product Features:
  • Bearing race driver
  • Fits M88010 race
  • All steel construction
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Felpro – Differential Cover Gasket (Part No.RDS 55028-1)

Differential Cover Gasket

from

$9.99
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 – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

from

$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

Product Features:
  • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
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1977 Pontiac LeMans Differentials

Maybe you’re in the middle of a full rebuild of that 1977 Pontiac LeMans. Maybe you just need a couple of Differentials. Either way, Advance Auto Parts has 203 different Differentials in our inventory ranging from $1.99 to $1,153.99. That means you can find the exact parts or products you need to keep that 1977 Pontiac LeMans running smoothly.

Differentials are only as good as their brand. We stock 11 different brands to make sure you have plenty of trusted parts to choose from for your 1977 Pontiac LeMans. Felpro, 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 1977 Pontiac LeMans, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 6,090 reviews in this category, some of the top rated parts include Differential Ring And Pinion with 4.2 stars and Differential Master Bearing Kit – Koyo with 3.8 stars.

So if you’re in the market for aftermarket Differentials to keep your 1977 Pontiac LeMans 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 1977 Pontiac LeMans Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1977 Pontiac LeMans 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 LeMans the best it can be. Be sure to browse some of our top Differentials brands and parts.

Popular National Differentials

We carry National parts in our stock across Differential Pinion Pilot Bearings and Front Differential Pinion Bearings categories, plus more. For a 1977 Pontiac LeMans, our most popular National Differentials include:
Shaft Repair Sleeve
from $37.99
(1)
Shaft Repair Sleeve
Differential Pinion Pilot Bearings
Bearings
from $15.99
(9)
Bearings
Front Differential Pinion Bearings
Bearings
from $16.99
(25)
Bearings
Differential Bearings

Top 1977 Pontiac LeMans Differentials from Felpro

Felpro products are another trusted brand when it comes to Differentials for your 1977 Pontiac LeMans. Popular Felpro parts include:
Differential Cover Gasket
from $9.99
(195)
Differential Cover Gasket
Rear Housing Cover Gaskets
Differential Cover Gasket
from $7.49
(7)
Differential Cover Gasket
Rear Housing Cover Gaskets

FAQs for 1977 Pontiac LeMans Differentials

What are the most purchased Differentials for the 1977 Pontiac LeMans?

Out of 203 Differentials for the 1977 Pontiac LeMans, the most popular in our inventory are:
Taper Bearing Set
from $10.29
(38)
Taper Bearing Set
Differential Bearings
Differential Shaft Lock Bolt
from $5.99
(11)
Differential Shaft Lock Bolt
Differential Pinion Shaft Lock Bolts
3 Qt - Penzoil 80W90 Conventional Gear Oil
from $44.99
This product is not rated
3 Qt – Penzoil 80W90 Conventional Gear Oil
Differential Oil

What are the top-rated 1977 Pontiac LeMans Differentials?

Top-rated Differentials for your 1977 Pontiac LeMans based on customer reviews/ratings are:
Differential Ring And Pinion
from $342.99
(23)
Differential Ring And Pinion
“So far so good.”
Differential Master Bearing Kit - Koyo
from $156.99
(5)
Differential Master Bearing Kit – Koyo
“was delivered as promised and on time”
Bearings
from $10.49
(4)
Bearings
“Goes with M88010 bearing cup. Application was the pinion bearing race for a Ford 9 Inch on a 1957 Ford F-100.”